About EDGAR Online | Login
 
The following is an excerpt from a 8-K SEC Filing, filed by MORGAN STANLEY ABS CAPITAL I INC on 11/15/2004.
Next Section Next Section Previous Section Previous Section
MORGAN STANLEY ABS CAPITAL I INC - 8-K - 20041115 - EXHIBIT_99

EXHIBIT 99.1

This information is being delivered to a specific number of prospective sophisticated investors in order to assist them in determining whether they have an interest in the type of security described herein. It has been prepared solely for information purposes and is not an offer to buy or sell or a solicitation of an offer to buy or sell any security or instrument or to participate in any trading strategy. This material is based on information that Morgan Stanley & Co. Incorporated ("Morgan Stanley") considers reliable. Morgan Stanley makes no representation or warranty with respect to the accuracy or completeness of the information, or with respect to the terms of any future offer of securities conforming to the terms hereof. Any such offer of securities would be made pursuant to a definitive Prospectus or Private Placement Memorandum, as the case may be, prepared by the issuer which could contain material information not contained herein and to which the prospective purchasers are referred. In the event of any such offering, this information shall be deemed superseded, amended and supplemented in its entirety by such Prospectus or Private Placement Memorandum. Such Prospectus or Private Placement Memorandum will contain all material information in respect of any securities offered thereby and any decision to invest in such securities should be made solely in reliance upon such Prospectus or Private Placement Memorandum. The information contained here in may be based on certain assumptions regarding market conditions and other matters and is therefore subject to change. We make no representations regarding the reasonableness of such assumptions or the likelihood that any of such assumptions will coincide with actual market conditions or events, and this material should not be relied on for such purposes. No representation is made that any returns indicated will be achieved. Changes to the assumptions may have a material impact on any returns detailed. Morgan Stanley disclaims any and all liability relating to this information, including without limitation any express or implied representations or warranties for, statements contained in, and omissions from the information contained here in. Additional information is available upon request. Morgan Stanley and others associated with it may have positions in, and may effect transaction in, securities and instruments of issuers mentioned herein and may also perform or seek to perform investment banking services for the issuers of such securities and instruments. Past performance is not necessarily indicative of future results. Price and availability are subject to change without notice. Information contained in this material is current as of the date appearing on this material only. Information in this material regarding any assets backing any securities discussed herein supercedes all prior information regarding such assets. Morgan Stanley is acting as the lead underwriter and not acting as agent for the issuer or its affiliates in connection with the proposed transaction. To our readers worldwide: In addition, please note that this publication has been issued by Morgan Stanley, approved by Morgan Stanley International Limited, a member of The Securities and Futures Authority, and by Morgan Stanley Japan Ltd. We recommend that such investors obtain the advice of their Morgan Stanley, Morgan Stanley International or Morgan Stanley Japan Ltd. representative about the investments concerned. NOT FOR DISTRIBUTION TO PRIVATE CUSTOMERS AS DEFINED BY THE U.K. SECURITIES AND FUTURES AUTHORITY.


Generic Strats for the Entire Pool

Range Assumptions

                                                                                              Prepayment Penalty Length
                                                                                                       No Pen.
<  Deal Gross WAC  - 100 bp                                       < Deal Gross WAC  - 100 bp             2.23
 Deal Gross WAC  - 100 bp   to   Deal Gross WAC  - 75 bp          > Deal Gross WAC  - 100 bp             0.77
 Deal Gross WAC  - 75.01 bp   to   Deal Gross WAC  - 50 bp         > Deal Gross WAC  - 75 bp             1.27
 Deal Gross WAC  - 50.01 bp  to  Deal Gross WAC  - 25 bp           > Deal Gross WAC  - 50 bp             2.08
 Deal Gross WAC  - 25.01 bp  to  Deal Gross WAC                    > Deal Gross WAC  - 25 bp             1.55
Deal Gross WAC                                                                Deal Gross WAC             0.00
Deal Gross WAC  to  Deal Gross WAC + 25 bp                          < Deal Gross WAC + 25 bp             1.85
Deal Gross WAC + 25.01 bp  to  Deal Gross WAC + 50 bp               < Deal Gross WAC + 50 bp             1.50
Deal Gross WAC + 50.01 bp  to  Deal Gross WAC + 75 bp               < Deal Gross WAC + 75 bp             2.03
Deal Gross WAC + 75.01 bp  to  Deal Gross WAC + 100 bp             < Deal Gross WAC + 100 bp             1.30
> Deal Gross WAC + 100 bp                                          > Deal Gross WAC + 100 bp             4.95


                                                                           Prepayment Penalty Length

                                                              1 yr            2 yr            3 yr           4 yr            5yr
<  Deal Gross WAC  - 100 bp                                   0.76            8.31            5.91           0.00            0.20
 Deal Gross WAC  - 100 bp   to   Deal Gross WAC  - 75 bp      0.33            4.54            2.69           0.00            0.13
 Deal Gross WAC  - 75.01 bp   to   Deal Gross WAC  - 50 bp    0.64            3.93            2.62           0.00            0.08
 Deal Gross WAC  - 50.01 bp  to  Deal Gross WAC  - 25 bp      0.62            5.20            3.20           0.00            0.27
 Deal Gross WAC  - 25.01 bp  to  Deal Gross WAC               0.32            4.11            2.35           0.00            0.12
Deal Gross WAC                                                0.00            0.00            0.00           0.00            0.00
Deal Gross WAC  to  Deal Gross WAC + 25 bp                    0.52            3.98            2.29           0.00            0.22
Deal Gross WAC + 25.01 bp  to  Deal Gross WAC + 50 bp         0.39            3.80            1.90           0.00            0.11
Deal Gross WAC + 50.01 bp  to  Deal Gross WAC + 75 bp         0.41            4.00            2.30           0.00            0.35
Deal Gross WAC + 75.01 bp  to  Deal Gross WAC + 100 bp        0.06            1.61            0.97           0.00            0.06
> Deal Gross WAC + 100 bp                                     0.56            6.99            3.41           0.00            0.21

                                    Prepayment Penalty Type

                                          % of Coll Bal      Avg Loan Balance        Avg FICO         Avg Length
                                    ------------------------------------------------------------------------------------
CA Style (80% of 6 months Interest)
                             Type 2
                             Type 3
                               None

          Zip Code              % Collateral Balance           Average LTV              Avg Loan Balance            Avg Credit Score
------------------------------------------------------------------------------------------------------------------------------------
every zip code ...
...
...
...

1,716,242,087.53

---------------------------------------------------------------------------------------------------------------
Prepayment Penalty          No Prepayment   1 Yr Prepay   2 Yr Prepay   3 Yr Prepay   4 Yr Prepay   5 Yr Prepay
---------------------------------------------------------------------------------------------------------------
< Deal Gross WAC - 100 bp            2.23          0.76          8.31          5.91             0           0.2
> Deal Gross WAC - 100 bp            0.77          0.33          4.54          2.69             0          0.13
> Deal Gross WAC - 75 bp             1.27          0.64          3.93          2.62             0          0.08
> Deal Gross WAC - 50 bp             2.08          0.62           5.2           3.2             0          0.27
> Deal Gross WAC - 25 bp             1.55          0.32          4.11          2.35             0          0.12
Deal Gross WAC                          0             0             0             0             0             0
< Deal Gross WAC + 25 bp             1.85          0.52          3.98          2.29             0          0.22
< Deal Gross WAC + 50 bp              1.5          0.39           3.8           1.9             0          0.11
< Deal Gross WAC + 75 bp             2.03          0.41             4           2.3             0          0.35
< Deal Gross WAC + 100 bp             1.3          0.06          1.61          0.97             0          0.06
> Deal Gross WAC + 100 bp            4.95          0.56          6.99          3.41             0          0.21
---------------------------------------------------------------------------------------------------------------
Total:                              19.52           4.6         46.46         27.66             0          1.75
---------------------------------------------------------------------------------------------------------------


We would like to see these stratifications separately for Owner Occ & NonOwner Properties

NON-OWNER

                               ------------------------------------------------------------------------------------------------
Range Assumptions              <67.5         67.5 - 72.5   72.5 - 77.5  77.5 - 82.5   82.5 - 87.5   87.5 - 92.5  92.5 - 97.5
                               ------------------------------------------------------------------------------------------------
                               Original LTV
                                 < 67.5%       < 72.5%      < 77.5%       < 82.5%       < 87.5%      < 92.5%       < 97.5%
                               ------------------------------------------------------------------------------------------------
0 - 100K                 < 100K          0.14          0.13         0.18          0.29          0.20         0.24          0.01
100K - 200K              < 200K          0.26          0.15         0.18          0.39          0.35         0.53          0.01
200K - 300K              < 300K          0.20          0.05         0.18          0.39          0.22         0.37          0.00
300K - 400K              < 400K          0.04          0.10         0.06          0.26          0.18         0.28          0.00
400K - 500K              < 500K          0.03          0.03         0.08          0.14          0.20         0.08          0.00
500K - 750K              < 750K          0.04          0.00         0.03          0.00          0.00         0.00          0.00
750K - 1.0MM           < 1.0 MM          0.00          0.00         0.00          0.00          0.00         0.00          0.00
1.0MM - 1.5MM          < 1.5 MM          0.00          0.00         0.00          0.00          0.00         0.00          0.00
1.5MM - 2.0MM            < 2 MM          0.00          0.00         0.00          0.00          0.00         0.00          0.00
>2.0MM                   > 2 MM          0.00          0.00         0.00          0.00          0.00         0.00          0.00
                                -----------------------------------------------------------------------------------------------
                   Loan Balance


                        ---------------
Range Assumptions       >97.5
                        ---------------
                          > 97.5%
                        ---------------
0 - 100K                          0.00
100K - 200K                       0.00
200K - 300K                       0.00
300K - 400K                       0.00
400K - 500K                       0.00
500K - 750K                       0.00
750K - 1.0MM                      0.00
1.0MM - 1.5MM                     0.00
1.5MM - 2.0MM                     0.00
>2.0MM                            0.00
                        ---------------

                             -----------------------------------------------------------------------------------------------
Range Assumptions            <550         550 - 575     575 - 600     600 - 625    625 - 650     650 - 675     675 - 700
                             -----------------------------------------------------------------------------------------------
                                                                                    Credit Score
                                < 550         < 575         < 600        < 625         < 650         < 675        < 700
                             -----------------------------------------------------------------------------------------------
0 - 100K              < 100K         0.18          0.09          0.16         0.16          0.20          0.14         0.10
100K - 200K           < 200K         0.12          0.15          0.13         0.35          0.32          0.33         0.16
200K - 300K           < 300K         0.01          0.13          0.12         0.13          0.34          0.22         0.17
300K - 400K           < 400K         0.04          0.02          0.06         0.12          0.24          0.13         0.20
400K - 500K           < 500K         0.00          0.03          0.03         0.08          0.10          0.10         0.11
500K - 750K           < 750K         0.00          0.00          0.04         0.00          0.00          0.03         0.00
750K - 1.0MM        < 1.0 MM         0.00          0.00          0.00         0.00          0.00          0.00         0.00
1.0MM - 1.5MM       < 1.5 MM         0.00          0.00          0.00         0.00          0.00          0.00         0.00
1.5MM - 2.0MM         < 2 MM         0.00          0.00          0.00         0.00          0.00          0.00         0.00
>2.0MM                > 2 MM         0.00          0.00          0.00         0.00          0.00          0.00         0.00
                             -----------------------------------------------------------------------------------------------
                Loan Balance


                   ----------------------------
                   700 - 725         > 725
                       < 725         > 725
                   ----------------------------
0 - 100K                    0.07          0.08
100K - 200K                 0.13          0.19
200K - 300K                 0.13          0.14
300K - 400K                 0.06          0.06
400K - 500K                 0.03          0.08
500K - 750K                 0.00          0.00
750K - 1.0MM                0.00          0.00
1.0MM - 1.5MM               0.00          0.00
1.5MM - 2.0MM               0.00          0.00
>2.0MM                      0.00          0.00
                   ----------------------------

                             ----------------------------------------------------------------------------------------------
Range Assumptions             <67.5         67.5 - 72.5      72.5 - 77.5    77.5 - 82.5     82.5 - 87.5    87.5 - 92.5
                             ----------------------------------------------------------------------------------------------
                                                                                    Original LTV
                               < 67.5%         < 72.5%         < 77.5%        < 82.5%         < 87.5%         < 92.5%
                             ----------------------------------------------------------------------------------------------
0 - 100K              < 100K          571             602             592            632             649             664
100K - 200K           < 200K          616             616             632            646             630             670
200K - 300K           < 300K          639             655             627            651             639             681
300K - 400K           < 400K          552             619             659            649             660             676
400K - 500K           < 500K          614             677             665            668             654             690
500K - 750K           < 750K          582               0             663              0               0               0
750K - 1.0MM        < 1.0 MM            0               0               0              0               0               0
1.0MM - 1.5MM       < 1.5 MM            0               0               0              0               0               0
1.5MM - 2.0MM         < 2 MM            0               0               0              0               0               0
>2.0MM                > 2 MM            0               0               0              0               0               0
                             ----------------------------------------------------------------------------------------------
                Loan Balance


                ---------------------------------
                 92.5 - 97.5      >97.5
                ---------------------------------
                    < 97.5%           > 97.5%
                ---------------------------------
0 - 100K                    648                0
100K - 200K                 767                0
200K - 300K                   0                0
300K - 400K                   0                0
400K - 500K                   0                0
500K - 750K                   0                0
750K - 1.0MM                  0                0
1.0MM - 1.5MM                 0                0
1.5MM - 2.0MM                 0                0
>2.0MM                        0                0
                ---------------------------------

----------------------------------------------------------------------------------------------------------------------------
 > 550          < 550          < 575           < 600           < 625           < 650           < 675          < 700
----------------------------------------------------------------------------------------------------------------------------
   3,085,809.59   1,469,462.45   2,792,722.94    2,829,881.44    3,475,507.04    2,381,559.40    1,730,146.60   1,258,135.18
   1,989,367.83   2,622,118.13   2,153,430.65    5,997,052.82    5,540,479.24    5,684,932.34    2,799,429.98   2,243,527.48
     218,636.91   2,228,860.06   2,083,577.92    2,291,027.02    5,803,992.83    3,824,836.43    2,944,127.08   2,278,681.79
     645,210.01     335,794.94   1,013,908.67    2,133,287.97    4,078,387.15    2,150,285.94    3,428,035.17   1,085,224.13
              0     434,116.72     462,232.63    1,427,257.53    1,795,340.45    1,721,737.78    1,872,934.80     439,080.97
              0              0     643,435.70               0               0      508,934.78               0              0
   5,939,024.34   7,090,352.30   9,149,308.51   14,678,506.78   20,693,706.71   16,272,286.67   12,774,673.63   7,304,649.55
----------------------------------------------------------------------------------------------------------------------------

-------------------------------
 > 550           > 725
-------------------------------
   3,085,809.59    1,314,093.69
   1,989,367.83    3,203,024.66
     218,636.91    2,460,825.46
     645,210.01      998,522.63
              0    1,421,822.33
              0               0
   5,939,024.34    9,398,288.77
-------------------------------

-----------------------------------------------------------------------------------------------------------
Average Fico  < 67.5%     < 72.5%     < 77.5%     < 82.5%     < 87.5%     < 92.5%     < 97.5%    > 97.5%
-----------------------------------------------------------------------------------------------------------
< 100K               571         602         592         632         649         664         648        0
< 200K               616         616         632         646         630         670         767        0
< 300K               639         655         627         651         639         681           0        0
< 400K               552         619         659         649         660         676           0        0
< 500K               614         677         665         668         654         690           0        0
< 750K               582           0         663           0           0           0           0        0
-----------------------------------------------------------------------------------------------------------
Total:               608         621         628         647         644         674         702        0
-----------------------------------------------------------------------------------------------------------

                                   --------------------------------------------------------------------------------
Range Assumptions                  <67.5               67.5 - 72.5         72.5 - 77.5         77.5 - 82.5
                                   --------------------------------------------------------------------------------
                                      Original LTV
                                         < 67.5%             < 72.5%             < 77.5%             < 82.5%
                                   --------------------------------------------------------------------------------
0 - 100K                     < 550                0.11                0.10                0.10                0.03
100K - 200K                  < 575                0.12                0.04                0.10                0.05
200K - 300K                  < 600                0.11                0.04                0.06                0.17
300K - 400K                  < 625                0.11                0.04                0.07                0.33
400K - 500K                  < 650                0.06                0.09                0.12                0.32
500K - 750K                  < 675                0.10                0.03                0.13                0.19
750K - 1.0MM                 < 700                0.02                0.06                0.07                0.07
1.0MM - 1.5MM                < 725                0.05                0.01                0.03                0.16
1.5MM - 2.0MM                > 725                0.01                0.04                0.05                0.14
                                   --------------------------------------------------------------------------------
>2.0MM                Credit Score


                  --------------------------------------------------------------------------------
                  82.5 - 87.5         87.5 - 92.5         92.5 - 97.5         >97.5
                  --------------------------------------------------------------------------------
                        < 87.5%             < 92.5%             < 97.5%             > 97.5%
                  --------------------------------------------------------------------------------
0 - 100K                         0.02                0.00                0.00                0.00
100K - 200K                      0.06                0.04                0.00                0.00
200K - 300K                      0.11                0.04                0.00                0.00
300K - 400K                      0.15                0.16                0.00                0.00
400K - 500K                      0.33                0.29                0.00                0.00
500K - 750K                      0.26                0.23                0.00                0.00
750K - 1.0MM                     0.16                0.36                0.00                0.00
1.0MM - 1.5MM                    0.04                0.14                0.00                0.00
1.5MM - 2.0MM                    0.05                0.25                0.01                0.00
                  --------------------------------------------------------------------------------
>2.0MM

                                ---------------------------------------------------------------------------------------------------
Range Assumptions               <67.5               67.5 - 72.5         72.5 - 77.5         77.5 - 82.5         82.5 - 87.5
                                ---------------------------------------------------------------------------------------------------
                                   Original LTV
                                      < 67.5%             < 72.5%             < 77.5%             < 82.5%             < 87.5%
                                ---------------------------------------------------------------------------------------------------
<550                      < 550          100,140.10           97,552.97           83,430.20           74,013.43           88,425.79
550 - 575                 < 575          140,249.15          118,679.36          138,696.34           90,771.78          158,252.06
575 - 600                 < 600          150,842.97          124,580.87           95,987.69          130,525.90          143,021.16
600 - 625                 < 625          159,440.00          126,519.38          116,908.42          149,807.49          121,525.19
625 - 650                 < 650           88,435.23          146,026.54          205,430.76          185,151.60          170,023.56
650 - 675                 < 675          190,403.74          144,472.92          176,277.90          164,053.35          190,940.47
675 - 700                 < 700          131,620.75          276,073.83          234,417.26          139,364.57          208,911.15
700 - 725                 < 725          216,315.78           76,465.31          108,529.69          161,141.62          137,598.00
> 725                     > 725          170,308.09          123,851.93          226,401.56          175,997.20           97,896.21
                                ---------------------------------------------------------------------------------------------------
                   Credit Score


            -------------------------------------------------------------
             87.5 - 92.5         92.5 - 97.5         >97.5
            -------------------------------------------------------------
                   < 92.5%             < 97.5%             > 97.5%
            -------------------------------------------------------------
<550                        0.00                0.00                0.00
550 - 575             203,509.28           74,944.64                0.00
575 - 600             162,052.52                0.00                0.00
600 - 625             209,140.91                0.00                0.00
625 - 650             128,815.63                0.00                0.00
650 - 675             125,514.09                0.00                0.00
675 - 700             165,764.96                0.00                0.00
700 - 725             186,533.80                0.00                0.00
> 725                 192,732.03          107,939.85                0.00
            -------------------------------------------------------------

                                ---------------------------------------------------------------------------------------------------
Range Assumptions               <67.5               67.5 - 72.5         72.5 - 77.5         77.5 - 82.5         82.5 - 87.5
                                ---------------------------------------------------------------------------------------------------
                                   Original LTV
                                      < 67.5%             < 72.5%             < 77.5%             < 82.5%             < 87.5%
                                ---------------------------------------------------------------------------------------------------
<550                      < 550                8.65                8.96                9.53                8.52                8.74
550 - 575                 < 575                7.61                9.00                7.94                7.92                7.75
575 - 600                 < 600                7.56                7.36                7.75                7.64                8.35
600 - 625                 < 625                7.22                7.91                7.70                7.84                7.37
625 - 650                 < 650                7.26                7.03                6.78                7.65                7.45
650 - 675                 < 675                6.79                6.81                7.16                7.48                7.50
675 - 700                 < 700                7.31                7.44                6.55                7.37                7.23
700 - 725                 < 725                6.44                7.17                8.04                7.30                7.49
> 725                     > 725                7.13                7.60                7.07                7.51                7.81
                                ---------------------------------------------------------------------------------------------------
                   Credit Score


            -----------------------------------------------------------------
             87.5 - 92.5         92.5 - 97.5             >97.5
            -----------------------------------------------------------------
                   < 92.5%               < 97.5%               > 97.5%
            -----------------------------------------------------------------
<550                        0.00                    0.00                0.00
550 - 575                   8.68                    9.78                0.00
575 - 600                   7.72                    0.00                0.00
600 - 625                   7.40                    0.00                0.00
625 - 650                   8.10                    0.00                0.00
650 - 675                   8.05                    0.00                0.00
675 - 700                   7.77                    0.00                0.00
700 - 725                   7.79                    0.00                0.00
> 725                       7.35                    7.67                0.00
            -----------------------------------------------------------------

---------------------------------------------------------------------------------------------------------------
 < 67.5%       < 72.5%       < 77.5%       < 82.5%       < 87.5%       < 92.5%       < 97.5%       > 97.5%
---------------------------------------------------------------------------------------------------------------
   100,140.10     97,552.97     83,430.20     74,013.43     88,425.79             0             0           0
   140,249.15    118,679.36    138,696.34     90,771.78    158,252.06    203,509.28     74,944.64           0
   150,842.97    124,580.87     95,987.69    130,525.90    143,021.16    162,052.52             0           0
   159,440.00    126,519.38    116,908.42    149,807.49    121,525.19    209,140.91             0           0
    88,435.23    146,026.54    205,430.76    185,151.60    170,023.56    128,815.63             0           0
   190,403.74    144,472.92    176,277.90    164,053.35    190,940.47    125,514.09             0           0
   131,620.75    276,073.83    234,417.26    139,364.57    208,911.15    165,764.96             0           0
   216,315.78     76,465.31    108,529.69    161,141.62    137,598.00    186,533.80             0           0
   170,308.09    123,851.93    226,401.56    175,997.20     97,896.21    192,732.03    107,939.85           0
   137,902.21    130,282.15    139,501.58    152,102.84    158,521.90    158,563.97     96,941.45           0
---------------------------------------------------------------------------------------------------------------

--------------------------------------------------------------------------------------------------------------
Average Rate    < 67.5%     < 72.5%     < 77.5%     < 82.5%     < 87.5%     < 92.5%     < 97.5%     > 97.5%
--------------------------------------------------------------------------------------------------------------
> 550                  8.65        8.96        9.53        8.52        8.74           0           0        0
< 550                  7.61           9        7.94        7.92        7.75        8.68        9.78        0
< 575                  7.56        7.36        7.75        7.64        8.35        7.72           0        0
< 600                  7.22        7.91         7.7        7.84        7.37         7.4           0        0
< 625                  7.26        7.03        6.78        7.65        7.45         8.1           0        0
< 650                  6.79        6.81        7.16        7.48         7.5        8.05           0        0
< 675                  7.31        7.44        6.55        7.37        7.23        7.77           0        0
< 700                  6.44        7.17        8.04         7.3        7.49        7.79           0        0
> 725                  7.13         7.6        7.07        7.51        7.81        7.35        7.67        0
--------------------------------------------------------------------------------------------------------------
Total:                 7.46        7.82        7.59        7.63        7.56        7.79        8.21        0
--------------------------------------------------------------------------------------------------------------

OWNER

                                 ---------------------------------------------------------------------------------------------------
Range Assumptions                <67.5               67.5 - 72.5         72.5 - 77.5         77.5 - 82.5         82.5 - 87.5
                                 ---------------------------------------------------------------------------------------------------
                                     Original LTV
                                       < 67.5%             < 72.5%             < 77.5%             < 82.5%             < 87.5%
                                 ---------------------------------------------------------------------------------------------------
0 - 100K                  < 100K                1.71                0.71                0.99                3.84                1.03
100K - 200K               < 200K                4.34                1.78                2.51               12.67                4.26
200K - 300K               < 300K                2.89                1.62                2.53                8.94                3.76
300K - 400K               < 400K                1.24                0.75                1.18                6.05                2.61
400K - 500K               < 500K                0.63                0.34                0.66                2.40                1.07
500K - 750K               < 750K                0.11                0.18                0.23                0.55                0.58
750K - 1.0MM            < 1.0 MM                0.00                0.00                0.00                0.00                0.00
1.0MM - 1.5MM           < 1.5 MM                0.00                0.00                0.00                0.00                0.00
1.5MM - 2.0MM             < 2 MM                0.00                0.00                0.00                0.00                0.00
>2.0MM                    > 2 MM                0.00                0.00                0.00                0.00                0.00
                                 ---------------------------------------------------------------------------------------------------
                    Loan Balance


                -------------------------------------------------------------
                 87.5 - 92.5         92.5 - 97.5         >97.5
                -------------------------------------------------------------
                       < 92.5%             < 97.5%             > 97.5%
                -------------------------------------------------------------
0 - 100K                        1.22                0.55                1.08
100K - 200K                     4.48                1.77                0.72
200K - 300K                     3.67                1.46                0.27
300K - 400K                     3.03                1.01                0.20
400K - 500K                     1.57                0.55                0.02
500K - 750K                     0.16                0.03                0.00
750K - 1.0MM                    0.00                0.00                0.00
1.0MM - 1.5MM                   0.00                0.00                0.00
1.5MM - 2.0MM                   0.00                0.00                0.00
>2.0MM                          0.00                0.00                0.00
                -------------------------------------------------------------

                                   --------------------------------------------------------------------------------
Range Assumptions                  <550                550 - 575           575 - 600           600 - 625
                                   --------------------------------------------------------------------------------
                                      Credit Score
                                          < 550               < 575               < 600               < 625
                                   --------------------------------------------------------------------------------
0 - 100K                    < 100K                2.38                1.72                1.53                1.52
100K - 200K                 < 200K                5.79                4.31                4.60                5.14
200K - 300K                 < 300K                3.93                2.96                3.47                4.44
300K - 400K                 < 400K                1.36                1.73                1.74                3.10
400K - 500K                 < 500K                0.69                0.55                0.73                1.45
500K - 750K                 < 750K                0.03                0.06                0.20                0.35
750K - 1.0MM              < 1.0 MM                0.00                0.00                0.00                0.00
1.0MM - 1.5MM             < 1.5 MM                0.00                0.00                0.00                0.00
1.5MM - 2.0MM               < 2 MM                0.00                0.00                0.00                0.00
>2.0MM                      > 2 MM                0.00                0.00                0.00                0.00
                                   --------------------------------------------------------------------------------
                      Loan Balance


                   ----------------------------------------------------------------------------------------------------
                   625 - 650           650 - 675           675 - 700           700 - 725                  > 725
                   ----------------------------------------------------------------------------------------------------
                          < 650               < 675               < 700               < 725               > 725
                   ----------------------------------------------------------------------------------------------------
0 - 100K                          1.59                1.08                0.68                0.29                0.36
100K - 200K                       5.09                3.76                2.00                1.08                0.78
200K - 300K                       3.89                2.84                1.58                1.01                1.00
300K - 400K                       2.90                2.19                1.39                0.84                0.80
400K - 500K                       1.30                0.83                0.66                0.40                0.62
500K - 750K                       0.41                0.35                0.13                0.07                0.25
750K - 1.0MM                      0.00                0.00                0.00                0.00                0.00
1.0MM - 1.5MM                     0.00                0.00                0.00                0.00                0.00
1.5MM - 2.0MM                     0.00                0.00                0.00                0.00                0.00
>2.0MM                            0.00                0.00                0.00                0.00                0.00
                   ----------------------------------------------------------------------------------------------------

                                         --------------------------------------------------------------------------------
Range Assumptions                        <67.5               67.5 - 72.5         72.5 - 77.5         77.5 - 82.5
                                         --------------------------------------------------------------------------------
                                            Original LTV
                                               < 67.5%             < 72.5%             < 77.5%             < 82.5%
                                         --------------------------------------------------------------------------------
0 - 100K                          < 100K                 592                 581                 576                 608
100K - 200K                       < 200K                 600                 581                 585                 624
200K - 300K                       < 300K                 607                 597                 596                 628
300K - 400K                       < 400K                 625                 598                 608                 642
400K - 500K                       < 500K                 623                 595                 630                 639
500K - 750K                       < 750K                 641                 648                 625                 670
750K - 1.0MM                    < 1.0 MM                   0                   0                   0                   0
1.0MM - 1.5MM                   < 1.5 MM                   0                   0                   0                   0
1.5MM - 2.0MM                     < 2 MM                   0                   0                   0                   0
>2.0MM                            > 2 MM                   0                   0                   0                   0
                                         --------------------------------------------------------------------------------
                            Loan Balance


                  ------------------------------------------------------------------------------------
                  82.5 - 87.5         87.5 - 92.5         92.5 - 97.5             >97.5
                  ------------------------------------------------------------------------------------
                        < 87.5%             < 92.5%               < 97.5%               > 97.5%
                  ------------------------------------------------------------------------------------
0 - 100K                          577                 601                     622                 668
100K - 200K                       583                 610                     616                 658
200K - 300K                       594                 620                     628                 661
300K - 400K                       613                 626                     633                 663
400K - 500K                       637                 637                     636                 746
500K - 750K                       656                 634                     638                   0
750K - 1.0MM                        0                   0                       0                   0
1.0MM - 1.5MM                       0                   0                       0                   0
1.5MM - 2.0MM                       0                   0                       0                   0
>2.0MM                              0                   0                       0                   0
                  ------------------------------------------------------------------------------------

----------------------------------------------------------------------------------------------------------------------
 > 550            < 550            < 575            < 600            < 625            < 650            < 675
----------------------------------------------------------------------------------------------------------------------
   40,775,386.35    29,583,177.91    26,195,575.56    26,010,281.59    27,347,952.61    18,452,790.14    11,591,244.16
   99,438,716.42    73,896,493.16    78,923,602.44    88,247,335.10    87,430,180.82    64,482,459.86    34,331,267.67
   67,501,924.18    50,823,731.38    59,631,638.03    76,255,740.07    66,687,028.19    48,746,374.62    27,142,016.27
   23,289,414.35    29,760,340.86    29,921,046.98    53,179,707.67    49,829,550.84    37,662,182.98    23,922,314.16
   11,910,293.95     9,453,119.89    12,574,006.93    24,804,324.81    22,368,560.69    14,277,657.47    11,398,469.89
      542,889.73     1,067,089.57     3,512,324.74     5,939,308.10     6,954,212.10     6,031,481.21     2,171,848.83
               0                0                0                0                0                0                0
  243,458,624.98   194,583,952.77   210,758,194.68   274,436,697.34   260,617,485.25   189,652,946.28   110,557,160.98
----------------------------------------------------------------------------------------------------------------------


-----------------------------------------------
> 550            < 700           > 725
-----------------------------------------------
  40,775,386.35    5,008,015.17    6,214,786.80
  99,438,716.42   18,496,919.98   13,301,219.73
  67,501,924.18   17,418,523.37   17,240,162.63
  23,289,414.35   14,454,183.92   13,645,944.10
  11,910,293.95    6,890,149.97   10,717,654.61
     542,889.73    1,171,869.63    4,316,798.08
              0               0               0
 243,458,624.98   63,439,662.04   65,436,565.95
-----------------------------------------------

----------------------------------------------------------------------------------------------------------------
Average Fico     < 67.5%     < 72.5%     < 77.5%     < 82.5%     < 87.5%     < 92.5%     < 97.5%    > 97.5%
----------------------------------------------------------------------------------------------------------------
< 100K                  592         581         576         608         577         601         622         668
< 200K                  600         581         585         624         583         610         616         658
< 300K                  607         597         596         628         594         620         628         661
< 400K                  625         598         608         642         613         626         633         663
< 500K                  623         595         630         639         637         637         636         746
< 750K                  641         648         625         670         656         634         638           0
< 1.0 MM                  0           0           0           0           0           0           0           0
----------------------------------------------------------------------------------------------------------------
Total:                  605         592         596         628         599         618         625         664
----------------------------------------------------------------------------------------------------------------

                                ---------------------------------------------------------------------------------------------------
Range Assumptions               <67.5               67.5 - 72.5         72.5 - 77.5         77.5 - 82.5         82.5 - 87.5
                                ---------------------------------------------------------------------------------------------------
                                   Original LTV
                                      < 67.5%             < 72.5%             < 77.5%             < 82.5%             < 87.5%
                                ---------------------------------------------------------------------------------------------------
<550                      < 550                2.45                1.61                2.18                4.16                2.99
550 - 575                 < 575                1.57                0.69                1.08                2.52                2.42
575 - 600                 < 600                1.51                0.76                1.12                3.77                1.91
600 - 625                 < 625                1.63                0.77                1.21                5.61                2.26
625 - 650                 < 650                1.30                0.61                0.99                6.28                1.54
650 - 675                 < 675                0.91                0.56                0.86                5.35                0.88
675 - 700                 < 700                0.67                0.16                0.28                3.28                0.49
700 - 725                 < 725                0.40                0.09                0.23                1.67                0.39
> 725                     > 725                0.48                0.13                0.15                1.82                0.43
                                ---------------------------------------------------------------------------------------------------
                   Credit Score


              -------------------------------------------------------------
               87.5 - 92.5         92.5 - 97.5         >97.5
              -------------------------------------------------------------
                     < 92.5%             < 97.5%             > 97.5%
              -------------------------------------------------------------
<550                          0.75                0.04                0.00
550 - 575                     2.12                0.94                0.00
575 - 600                     2.48                0.61                0.12
600 - 625                     3.08                1.07                0.35
625 - 650                     2.57                1.36                0.54
650 - 675                     1.33                0.64                0.51
675 - 700                     0.84                0.43                0.29
700 - 725                     0.52                0.15                0.25
> 725                         0.43                0.13                0.25
              -------------------------------------------------------------

                                 ---------------------------------------------------------------------------------------------------
Range Assumptions                <67.5               67.5 - 72.5         72.5 - 77.5         77.5 - 82.5         82.5 - 87.5
                                 ---------------------------------------------------------------------------------------------------
                                    Original LTV
                                       < 67.5%             < 72.5%             < 77.5%             < 82.5%             < 87.5%
                                 ---------------------------------------------------------------------------------------------------
<550                       < 550          140,869.85          155,579.91          144,458.34          148,924.56          159,204.32
550 - 575                  < 575          141,949.04          162,938.34          161,985.37          150,431.10          172,981.39
575 - 600                  < 600          152,421.70          176,403.70          183,581.05          155,738.15          177,409.08
600 - 625                  < 625          169,081.80          170,331.03          183,917.48          181,760.41          204,570.66
625 - 650                  < 650          156,583.24          169,637.19          193,281.12          177,151.86          232,497.29
650 - 675                  < 675          161,100.71          205,691.61          220,989.72          180,134.20          243,742.05
675 - 700                  < 700          180,001.61          178,247.37          179,458.09          191,529.29          229,178.06
700 - 725                  < 725          194,529.36          222,433.09          243,835.74          192,002.68          275,879.33
> 725                      > 725          186,448.00          238,378.16          238,387.34          217,280.35          333,802.56
                                 ---------------------------------------------------------------------------------------------------
                    Credit Score


            -------------------------------------------------------------
             87.5 - 92.5         92.5 - 97.5         >97.5
            -------------------------------------------------------------
                   < 92.5%             < 97.5%             > 97.5%
            -------------------------------------------------------------
<550                  159,870.82          136,482.08                0.00
550 - 575             154,997.36          157,796.20           43,951.79
575 - 600             179,483.50          174,753.76          107,462.76
600 - 625             210,010.13          182,263.04          116,414.58
625 - 650             195,801.41          193,174.11           90,333.45
650 - 675             215,989.00          193,085.37           81,803.89
675 - 700             217,628.86          215,718.66           70,856.91
700 - 725             229,678.58          189,144.65           92,292.29
> 725                 223,870.87          156,507.08           96,689.22
            -------------------------------------------------------------

Range Assumptions

                                                                                                           Original LTV
                                      < 67.5%             < 72.5%             < 77.5%             < 82.5%             < 87.5%
                                ----------------------------------------------------------------------------------------------------
<550                      < 550                8.05                8.15                8.38                8.21                8.16
550 - 575                 < 575                7.19                7.41                7.27                7.56                7.78
575 - 600                 < 600                7.08                6.92                7.06                7.11                7.46
600 - 625                 < 625                6.60                6.68                6.68                6.74                6.88
625 - 650                 < 650                6.63                6.55                6.61                6.96                6.80
650 - 675                 < 675                6.41                6.33                6.49                6.88                6.85
675 - 700                 < 700                6.24                6.35                6.61                6.83                6.76
700 - 725                 < 725                6.02                6.00                6.40                6.66                5.78
> 725                     > 725                5.93                6.15                6.23                6.60                5.66
                                ----------------------------------------------------------------------------------------------------
                   Credit Score


                   < 92.5%               < 97.5%               > 97.5%
             ----------------------------------------------------------------
<550                        8.26                    8.26                0.00
550 - 575                   7.93                    8.58                9.01
575 - 600                   7.89                    7.90                8.12
600 - 625                   7.30                    7.68                8.34
625 - 650                   7.31                    7.51                9.32
650 - 675                   7.03                    7.62                9.29
675 - 700                   6.99                    7.02                9.38
700 - 725                   6.84                    6.96                8.82
> 725                       6.69                    7.39                9.14
             ----------------------------------------------------------------

-------------------------------------------------------------------------------------------------------
< 67.5%      < 72.5%      < 77.5%      < 82.5%      < 87.5%      < 92.5%      < 97.5%      > 97.5%
-------------------------------------------------------------------------------------------------------
  140,869.85   155,579.91   144,458.34   148,924.56   159,204.32   159,870.82   136,482.08            0
  141,949.04   162,938.34   161,985.37   150,431.10   172,981.39   154,997.36   157,796.20    43,951.79
  152,421.70   176,403.70   183,581.05   155,738.15   177,409.08   179,483.50   174,753.76   107,462.76
  169,081.80   170,331.03   183,917.48   181,760.41   204,570.66   210,010.13   182,263.04   116,414.58
  156,583.24   169,637.19   193,281.12   177,151.86   232,497.29   195,801.41   193,174.11    90,333.45
  161,100.71   205,691.61   220,989.72   180,134.20   243,742.05   215,989.00   193,085.37    81,803.89
  180,001.61   178,247.37   179,458.09   191,529.29   229,178.06   217,628.86   215,718.66    70,856.91
  194,529.36   222,433.09   243,835.74   192,002.68   275,879.33   229,678.58   189,144.65    92,292.29
  186,448.00   238,378.16   238,387.34   217,280.35   333,802.56   223,870.87   156,507.08    96,689.22
  155,302.26   170,328.87   173,904.73   173,084.34   191,078.16   190,339.81   181,545.09    89,639.49
-------------------------------------------------------------------------------------------------------

----------------------------------------------------------------------------------------------------------------
Average Rate    < 67.5%     < 72.5%     < 77.5%     < 82.5%     < 87.5%     < 92.5%     < 97.5%    > 97.5%
----------------------------------------------------------------------------------------------------------------
> 550                  8.05        8.15        8.38        8.21        8.16        8.26        8.26           0
< 550                  7.19        7.41        7.27        7.56        7.78        7.93        8.58        9.01
< 575                  7.08        6.92        7.06        7.11        7.46        7.89         7.9        8.12
< 600                   6.6        6.68        6.68        6.74        6.88         7.3        7.68        8.34
< 625                  6.63        6.55        6.61        6.96         6.8        7.31        7.51        9.32
< 650                  6.41        6.33        6.49        6.88        6.85        7.03        7.62        9.29
< 675                  6.24        6.35        6.61        6.83        6.76        6.99        7.02        9.38
< 700                  6.02           6         6.4        6.66        5.78        6.84        6.96        8.82
> 725                  5.93        6.15        6.23         6.6        5.66        6.69        7.39        9.14
----------------------------------------------------------------------------------------------------------------
Total:                 6.99        7.16        7.22        7.08        7.33        7.47        7.74        9.04
----------------------------------------------------------------------------------------------------------------

Top 50 Zipcodes

--------------------------------------------------------
                                                  Avg
Zip Code   % Collateral   Average    Avg Loan    Credit
             Balance        LTV      Balance     Score
--------------------------------------------------------
92882              0.34     78.35   360,700.91      621
92336              0.33     76.19   256,413.22      610
92345              0.29     79.96   170,139.92      590
92335              0.26     80.03   181,698.44      621
90805              0.25     77.68   253,809.68      633
92376              0.25     77.59   184,085.20      623
92503              0.22     77.53   202,534.32      618
92392              0.21     82.61   182,884.79      602
95758              0.21     80.39   260,872.60      666
33414              0.20     82.63   278,949.60      591
92553              0.19     78.67   194,548.03      607
92114              0.19     78.67   273,130.52      596
92337              0.19     82.34   248,879.83      597
91331              0.18     72.71   239,552.93      657
93535              0.17     79.94   149,699.22      598
92804              0.17     75.84   293,724.89      640
90650              0.17     77.02   206,000.76      632
90220              0.17     80.62   205,209.44      630
91977              0.16     76.32   256,829.56      624
93550              0.16     79.10   165,683.13      646
90044              0.16     78.88   214,898.31      594
92704              0.15     82.23   331,108.46      683
90660              0.15     73.03   240,765.05      602
92509              0.15     76.41   239,876.63      631
90047              0.15     74.81   196,324.38      587
90001              0.15     81.62   230,550.71      603
93063              0.15     84.92   422,657.50      625
33068              0.15     82.44   120,245.69      615
33177              0.14     80.69   154,118.79      607
91710              0.14     80.54   245,181.88      598
93551              0.14     82.94   244,300.18      617
11236              0.14     84.90   270,726.17      647
96706              0.14     83.37   304,495.43      643
92703              0.14     78.45   304,078.35      640
92530              0.14     79.89   242,310.73      644
90605              0.14     73.48   267,211.96      640
95206              0.14     80.27   214,597.49      609
91352              0.14     76.61   261,569.69      616
95687              0.14     79.98   259,131.16      603
90746              0.13     70.67   256,489.78      610
90016              0.13     76.72   286,388.55      637
94531              0.13     81.12   285,887.98      608
92316              0.13     83.10   190,379.79      649
92154              0.13     77.82   283,941.77      618
92592              0.13     77.70   377,345.99      623
91762              0.13     77.00   225,411.26      638
22193              0.13     78.13   225,074.82      632
91730              0.13     82.51   319,709.39      620
91306              0.13     83.39   243,269.26      610
11553              0.13     80.82   272,487.17      616
Other             91.47     79.73   166,291.95      617
-------------------------------------------------------
Total:           100.00     79.67   170,329.70      617
-------------------------------------------------------


This information is being delivered to a specific number of prospective sophisticated investors in order to assist them in determining whether they have an interest in the type of security described herein. It has been prepared solely for information purposes and is not an offer to buy or sell or a solicitation of an offer to buy or sell any security or instrument or to participate in any trading strategy. This material is based on information that Morgan Stanley & Co. Incorporated ("Morgan Stanley") considers reliable. Morgan Stanley makes no representation or warranty with respect to the accuracy or completeness of the information, or with respect to the terms of any future offer of securities conforming to the terms hereof. Any such offer of securities would be made pursuant to a definitive Prospectus or Private Placement Memorandum, as the case may be, prepared by the issuer which could contain material information not contained herein and to which the prospective purchasers are referred. In the event of any such offering, this information shall be deemed superseded, amended and supplemented in its entirety by such Prospectus or Private Placement Memorandum. Such Prospectus or Private Placement Memorandum will contain all material information in respect of any securities offered thereby and any decision to invest in such securities should be made solely in reliance upon such Prospectus or Private Placement Memorandum. The information contained here in may be based on certain assumptions regarding market conditions and other matters and is therefore subject to change. We make no representations regarding the reasonableness of such assumptions or the likelihood that any of such assumptions will coincide with actual market conditions or events, and this material should not be relied on for such purposes. No representation is made that any returns indicated will be achieved. Changes to the assumptions may have a material impact on any returns detailed. Morgan Stanley disclaims any and all liability relating to this information, including without limitation any express or implied representations or warranties for, statements contained in, and omissions from the information contained here in. Additional information is available upon request. Morgan Stanley and others associated with it may have positions in, and may effect transaction in, securities and instruments of issuers mentioned herein and may also perform or seek to perform investment banking services for the issuers of such securities and instruments. Past performance is not necessarily indicative of future results. Price and availability are subject to change without notice. Information contained in this material is current as of the date appearing on this material only. Information in this material regarding any assets backing any securities discussed herein supercedes all prior information regarding such assets. Morgan Stanley is acting as the lead underwriter and not acting as agent for the issuer or its affiliates in connection with the proposed transaction. To our readers worldwide: In addition, please note that this publication has been issued by Morgan Stanley, approved by Morgan Stanley International Limited, a member of The Securities and Futures Authority, and by Morgan Stanley Japan Ltd. We recommend that such investors obtain the advice of their Morgan Stanley, Morgan Stanley International or Morgan Stanley Japan Ltd. representative about the investments concerned. NOT FOR DISTRIBUTION TO PRIVATE CUSTOMERS AS DEFINED BY THE U.K. SECURITIES AND FUTURES AUTHORITY.


MORGAN STANLEY
MSAC 2004-HE9


Selection Criteria: Full Documentation & Purchase

Number of Mortgage Loans: 1,561
Total Current Balance: 253,050,990.84
Average Current Balance: 162,108.26
Weighted Average FICO Score: 628.0
Weighted Average Current LTV: 84.13
Weighted Average DTI Ratio: 42.22
% Cash-Out Refinance: 0.0
% Full Documentation: 100.0
% Owner Occupied: 93.9
Weighted Average Coupon: 7.071
Weighted Average Margin: 5.523
% 2-4 Family: 6.0
% MH: 0.0
% PUD: 10.8
% Condo: 7.4
% Silent Second: 46.57
# of Bankruptcy's in past 36 months: N/A # of Foreclosures in past 36 months: N/A


Selection Criteria: Full Documentation & Refinance - Cashout

Number of Mortgage Loans: 3,916
Total Current Balance: 630,880,450.61
Average Current Balance: 161,103.28
Weighted Average FICO Score: 595.4
Weighted Average Current LTV: 77.90
Weighted Average DTI Ratio: 40.55
% Cash-Out Refinance: 100.0
% Full Documentation: 100.0
% Owner Occupied: 95.0
Weighted Average Coupon: 7.166
Weighted Average Margin: 5.697
% 2-4 Family: 7.0
% MH: 0.0
% PUD: 7.9
% Condo: 4.5
% Silent Second: 3.91
# of Bankruptcy's in past 36 months: N/A # of Foreclosures in past 36 months: N/A


Selection Criteria: Full Documentation & Refinance - Rate Term

Number of Mortgage Loans: 449
Total Current Balance: 58,803,166.70
Average Current Balance: 130,964.74
Weighted Average FICO Score: 602.0
Weighted Average Current LTV: 80.50
Weighted Average DTI Ratio: 39.56
% Cash-Out Refinance: 0.0
% Full Documentation: 100.0
% Owner Occupied: 96.5
Weighted Average Coupon: 7.377
Weighted Average Margin: 5.655
% 2-4 Family: 3.5
% MH: 0.0
% PUD: 9.0
% Condo: 4.1
% Silent Second: 18.73
# of Bankruptcy's in past 36 months: N/A # of Foreclosures in past 36 months: N/A


Selection Criteria: Limited Documentation & Purchase

Number of Mortgage Loans: 121
Total Current Balance: 24,485,347.91
Average Current Balance: 202,358.25
Weighted Average FICO Score: 631.3
Weighted Average Current LTV: 84.06
Weighted Average DTI Ratio: 38.09
% Cash-Out Refinance: 0.0
% Full Documentation: 0.0
% Owner Occupied: 88.2
Weighted Average Coupon: 7.160
Weighted Average Margin: 5.522
% 2-4 Family: 3.4
% MH: 0.0
% PUD: 15.5
% Condo: 12.1
% Silent Second: 37.33
# of Bankruptcy's in past 36 months: N/A # of Foreclosures in past 36 months: N/A


Selection Criteria: Limited Documentation & Refinance - Cashout

Number of Mortgage Loans: 255
Total Current Balance: 49,899,158.80
Average Current Balance: 195,682.98
Weighted Average FICO Score: 608.9
Weighted Average Current LTV: 76.47
Weighted Average DTI Ratio: 37.37
% Cash-Out Refinance: 100.0
% Full Documentation: 0.0
% Owner Occupied: 94.3
Weighted Average Coupon: 7.030
Weighted Average Margin: 5.596
% 2-4 Family: 7.2
% MH: 0.0
% PUD: 10.6
% Condo: 3.7
% Silent Second: 6.83
# of Bankruptcy's in past 36 months: N/A # of Foreclosures in past 36 months: N/A


Selection Criteria: Limited Documentation & Refinance - Rate Term

Number of Mortgage Loans: 14
Total Current Balance: 2,018,845.82
Average Current Balance: 144,203.27
Weighted Average FICO Score: 618.7
Weighted Average Current LTV: 82.57
Weighted Average DTI Ratio: 39.05
% Cash-Out Refinance: 0.0
% Full Documentation: 0.0
% Owner Occupied: 86.7
Weighted Average Coupon: 7.079
Weighted Average Margin: 5.728
% 2-4 Family: 0.0
% MH: 0.0
% PUD: 27.0
% Condo: 0.0
% Silent Second: 7.42
# of Bankruptcy's in past 36 months: N/A # of Foreclosures in past 36 months: N/A


Selection Criteria: Stated Documentation & Purchase

Number of Mortgage Loans: 1,709
Total Current Balance: 305,400,559.42
Average Current Balance: 178,701.32
Weighted Average FICO Score: 656.5
Weighted Average Current LTV: 82.67
Weighted Average DTI Ratio: 41.73
% Cash-Out Refinance: 0.0
% Full Documentation: 0.0
% Owner Occupied: 92.5
Weighted Average Coupon: 7.576
Weighted Average Margin: 5.631
% 2-4 Family: 9.6
% MH: 0.0
% PUD: 10.8
% Condo: 9.8
% Silent Second: 47.92
# of Bankruptcy's in past 36 months: N/A # of Foreclosures in past 36 months: N/A


Selection Criteria: Stated Documentation & Refinance - Cashout

Number of Mortgage Loans: 1,930
Total Current Balance: 372,228,448.71
Average Current Balance: 192,864.48
Weighted Average FICO Score: 617.6
Weighted Average Current LTV: 76.49
Weighted Average DTI Ratio: 40.64
% Cash-Out Refinance: 100.0
% Full Documentation: 0.0
% Owner Occupied: 93.6
Weighted Average Coupon: 7.435
Weighted Average Margin: 5.719
% 2-4 Family: 11.5
% MH: 0.0
% PUD: 6.3
% Condo: 4.6
% Silent Second: 5.49
# of Bankruptcy's in past 36 months: N/A # of Foreclosures in past 36 months: N/A


Selection Criteria: Stated Documentation & Refinance - Rate Term

Number of Mortgage Loans: 121
Total Current Balance: 19,475,118.72
Average Current Balance: 160,951.39
Weighted Average FICO Score: 619.7
Weighted Average Current LTV: 76.09
Weighted Average DTI Ratio: 40.83
% Cash-Out Refinance: 0.0
% Full Documentation: 0.0
% Owner Occupied: 93.7
Weighted Average Coupon: 7.347
Weighted Average Margin: 5.566
% 2-4 Family: 7.9
% MH: 0.0
% PUD: 9.5
% Condo: 4.2
% Silent Second: 16.86
# of Bankruptcy's in past 36 months: N/A # of Foreclosures in past 36 months: N/A

This information is being delivered to a specific number of prospective sophisticated investors in order to assist them in determining whether they have an interest in the type of security described herein. It has been prepared solely for information purposes and is not an offer to buy or sell or a solicitation of an offer to buy or sell any security or instrument or to participate in any trading strategy. This material is based on information that Morgan Stanley & Co. Incorporated ("Morgan Stanley") considers reliable. Morgan Stanley makes no representation or warranty with respect to the accuracy or completeness of the information, or with respect to the terms of any future offer of securities conforming to the terms hereof. Any such offer of securities would be made pursuant to a definitive Prospectus or Private Placement Memorandum, as the case may be, prepared by the issuer which could contain material information not contained herein and to which the prospective purchasers are referred. In the event of any such offering, this information shall be deemed superseded, amended and supplemented in its entirety by such Prospectus or Private Placement Memorandum. Such Prospectus or Private Placement Memorandum will contain all material information in respect of any securities offered thereby and any decision to invest in such securities should be made solely in reliance upon such Prospectus or Private Placement Memorandum. The information contained here in may be based on certain assumptions regarding market conditions and other matters and is therefore subject to change. We make no representations regarding the reasonableness of such assumptions or the likelihood that any of such assumptions will coincide with actual market conditions or events, and this material should not be relied on for such purposes. No representation is made that any returns indicated will be achieved. Changes to the assumptions may have a material impact on any returns detailed. Morgan Stanley disclaims any and all liability relating to this information, including without limitation any express or implied representations or warranties for, statements contained in, and omissions from the information contained here in. Additional information is available upon request. Morgan Stanley and others associated with it may have positions in, and may effect transaction in, securities and instruments of issuers mentioned herein and may also perform or seek to perform investment banking services for the issuers of such securities and instruments. Past performance is not necessarily indicative of future results. Price and availability are subject to change without notice. Information contained in this material is current as of the date appearing on this material only. Information in this material regarding any assets backing any securities discussed herein supercedes all prior information regarding such assets. Morgan Stanley is acting as the lead underwriter and not acting as agent for the issuer or its affiliates in connection with the proposed transaction. To our readers worldwide: In addition, please note that this publication has been issued by Morgan Stanley, approved by Morgan Stanley International Limited, a member of The Securities and Futures Authority, and by Morgan Stanley Japan Ltd. We recommend that such investors obtain the advice of their Morgan Stanley, Morgan Stanley International or Morgan Stanley Japan Ltd. representative about the investments concerned. NOT FOR DISTRIBUTION TO PRIVATE CUSTOMERS AS DEFINED BY THE U.K. SECURITIES AND FUTURES AUTHORITY.


This information is being delivered to a specific number of prospective sophisticated investors in order to assist them in determining whether they have an interest in the type of security described herein. It has been prepared solely for information purposes and is not an offer to buy or sell or a solicitation of an offer to buy or sell any security or instrument or to participate in any trading strategy. This material is based on information that Morgan Stanley & Co. Incorporated ("Morgan Stanley") considers reliable. Morgan Stanley makes no representation or warranty with respect to the accuracy or completeness of the information, or with respect to the terms of any future offer of securities conforming to the terms hereof. Any such offer of securities would be made pursuant to a definitive Prospectus or Private Placement Memorandum, as the case may be, prepared by the issuer which could contain material information not contained herein and to which the prospective purchasers are referred. In the event of any such offering, this information shall be deemed superseded, amended and supplemented in its entirety by such Prospectus or Private Placement Memorandum. Such Prospectus or Private Placement Memorandum will contain all material information in respect of any securities offered thereby and any decision to invest in such securities should be made solely in reliance upon such Prospectus or Private Placement Memorandum. The information contained here in may be based on certain assumptions regarding market conditions and other matters and is therefore subject to change. We make no representations regarding the reasonableness of such assumptions or the likelihood that any of such assumptions will coincide with actual market conditions or events, and this material should not be relied on for such purposes. No representation is made that any returns indicated will be achieved. Changes to the assumptions may have a material impact on any returns detailed. Morgan Stanley disclaims any and all liability relating to this information, including without limitation any express or implied representations or warranties for, statements contained in, and omissions from the information contained here in. Additional information is available upon request. Morgan Stanley and others associated with it may have positions in, and may effect transaction in, securities and instruments of issuers mentioned herein and may also perform or seek to perform investment banking services for the issuers of such securities and instruments. Past performance is not necessarily indicative of future results. Price and availability are subject to change without notice. Information contained in this material is current as of the date appearing on this material only. Information in this material regarding any assets backing any securities discussed herein supercedes all prior information regarding such assets. Morgan Stanley is acting as the lead underwriter and not acting as agent for the issuer or its affiliates in connection with the proposed transaction. To our readers worldwide: In addition, please note that this publication has been issued by Morgan Stanley, approved by Morgan Stanley International Limited, a member of The Securities and Futures Authority, and by Morgan Stanley Japan Ltd. We recommend that such investors obtain the advice of their Morgan Stanley, Morgan Stanley International or Morgan Stanley Japan Ltd. representative about the investments concerned. NOT FOR DISTRIBUTION TO PRIVATE CUSTOMERS AS DEFINED BY THE U.K. SECURITIES AND FUTURES AUTHORITY.


MORGAN STANLEY
MSAC 2004-HE9
ARM Loans

Table of Contents

1. Documentation Level
2. Credit Score
3. Range of Combined Original LTV Ratios (%)
4. Documentation Level Greater than 85% LTV

1. Documentation Level

------------------------------------------------------------------------------------------------------------------------------------
                                                                         % of
                                                                        Morgage
                                                          Aggregate     Pool by     Avg     Weighted            Weighted
                                               Number      Cut-off     Aggregate  Mortgage  Average   Weighted  Average
                                                 of         Date        Cut-off     Loan     Gross    Average   Combined   Weighted
                                              Mortgage    Principal    Principal  Principal Interest   Gross    Original   Average
Documentation Level                            Loans       Balance      Balance   Balance     Rate     Margin     LTV     FICO Score
------------------------------------------------------------------------------------------------------------------------------------
Full                                             3,909    661,831,739      51.87   169,310     7.153     5.640     81.46       594.4
Stated Documentation                             2,854    566,802,133      44.42   198,599     7.450     5.673     80.23         631
Limited                                            231     47,349,519       3.71   204,976     7.099     5.570     81.82       606.7
------------------------------------------------------------------------------------------------------------------------------------
Total:                                           6,994  1,275,983,391     100.00   182,440     7.283     5.652     80.93       611.1
------------------------------------------------------------------------------------------------------------------------------------

2. Credit Score

------------------------------------------------------------------------------------------------------------------------------------
                                                                         % of
                                                                        Morgage
                                                          Aggregate     Pool by     Avg     Weighted            Weighted
                                               Number      Cut-off     Aggregate  Mortgage  Average   Weighted  Average
                                                 of         Date        Cut-off     Loan     Gross    Average   Combined   Weighted
                                              Mortgage    Principal    Principal  Principal Interest   Gross    Original   Average
Credit Score                                   Loans       Balance      Balance   Balance     Rate     Margin     LTV     FICO Score
------------------------------------------------------------------------------------------------------------------------------------
481 - 500                                           11      1,911,581       0.15   173,780     8.519     6.072     68.12         500
501 - 520                                          464     68,484,566       5.37   147,596     8.448     6.121     74.16       511.4
521 - 540                                          642     99,887,174       7.83   155,587     8.146     5.952     76.08       531.4
541 - 560                                          713    115,594,293       9.06   162,124     7.801     5.853     79.16       551.1
561 - 580                                          733    127,322,217       9.98   173,700     7.616     5.740     80.44       570.1
581 - 600                                          796    139,796,491      10.96   175,624     7.238     5.678     80.91       590.6
601 - 620                                          864    168,569,089      13.21   195,103     6.916     5.567     82.15       610.8
621 - 640                                          872    168,175,423      13.18   192,862     7.009     5.590     82.84       630.3
641 - 660                                          703    138,823,903      10.88   197,474     7.020     5.559     83.16       649.4
661 - 680                                          471     92,673,178       7.26   196,758     6.904     5.506     81.87       669.2
681 - 700                                          297     62,701,791       4.91   211,117     6.889     5.494     83.41       689.3
701 - 720                                          191     40,643,132       3.19   212,791     6.647     5.276     82.86       710.3
721 - 740                                          106     20,634,952       1.62   194,669     6.627     5.224     82.53       730.4
741 - 760                                           66     14,698,703       1.15   222,708     6.799     5.218     83.38       749.8
761 - 780                                           40      9,798,084       0.77   244,952     6.621     5.216     82.05       769.7
781 - 800                                           21      5,146,796       0.40   245,086     6.181     4.712     81.69       788.5
801 - 820                                            4      1,122,019       0.09   280,505     5.979     5.457     80.00       809.2
------------------------------------------------------------------------------------------------------------------------------------
Total:                                           6,994  1,275,983,391     100.00   182,440     7.283     5.652     80.93       611.1
------------------------------------------------------------------------------------------------------------------------------------
Non-Zero Minimum: 500
Maximum: 813
Non-Zero Weighted Average: 611
------------------------------------------------------------------------------------------------------------------------------------

3. Range of Combined Original LTV Ratios (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                         % of
                                                                        Morgage
                                                          Aggregate     Pool by     Avg     Weighted            Weighted
                                               Number      Cut-off     Aggregate  Mortgage  Average   Weighted  Average
                                                 of         Date        Cut-off     Loan     Gross    Average   Combined   Weighted
                                              Mortgage    Principal    Principal  Principal Interest   Gross    Original   Average
Range of Combined Original LTV Ratios (%)      Loans       Balance      Balance   Balance     Rate     Margin     LTV     FICO Score
------------------------------------------------------------------------------------------------------------------------------------
15.01 - 20.00                                        5        542,768       0.04   108,554     8.123     6.107     18.07       577.9
20.01 - 25.00                                        6        537,558       0.04    89,593     7.152     5.599     22.65       582.5
25.01 - 30.00                                        8      1,122,250       0.09   140,281     6.921     5.570     28.44       562.2
30.01 - 35.00                                       16      1,701,499       0.13   106,344     7.644     5.929     32.25       563.9
35.01 - 40.00                                       23      2,630,366       0.21   114,364     7.155     5.748     37.25       571.5
40.01 - 45.00                                       33      4,858,395       0.38   147,224     6.908     5.646     42.89         592
45.01 - 50.00                                       67      9,629,072       0.75   143,717     7.471     5.853     47.60       566.4
50.01 - 55.00                                       84     14,337,860       1.12   170,689     7.066     5.823     52.82         582
55.01 - 60.00                                      104     16,795,873       1.32   161,499     7.202     5.789     57.73       578.1
60.01 - 65.00                                      227     40,032,509       3.14   176,355     7.233     5.844     63.30       580.4
65.01 - 70.00                                      371     64,284,670       5.04   173,274     7.344     5.913     68.84       578.2
70.01 - 75.00                                      526     90,242,322       7.07   171,563     7.415     5.832     74.12         577
75.01 - 80.00                                    2,747    495,447,253      38.83   180,359     7.056     5.594     79.75       624.5
80.01 - 85.00                                    1,019    199,878,873      15.66   196,152     7.345     5.633     84.53       597.2
85.01 - 90.00                                    1,160    228,647,777      17.92   197,110     7.455     5.610     89.73       621.5
90.01 - 95.00                                      453     84,359,074       6.61   186,223     7.709     5.501     94.83       623.1
95.01 - 100.00                                     145     20,935,270       1.64   144,381     8.007     5.965     99.94       654.2
------------------------------------------------------------------------------------------------------------------------------------
Total:                                           6,994  1,275,983,391     100.00   182,440     7.283     5.652     80.93       611.1
------------------------------------------------------------------------------------------------------------------------------------
Minimum: 17.11
Maximum: 100.00
Weighted Average: 80.93
------------------------------------------------------------------------------------------------------------------------------------

4. Documentation Level Greater than 85% LTV

------------------------------------------------------------------------------------------------------------------------------------
                                                                         % of
                                                                        Morgage
                                                          Aggregate     Pool by     Avg     Weighted            Weighted
                                               Number      Cut-off     Aggregate  Mortgage  Average   Weighted  Average
                                                 of         Date        Cut-off     Loan     Gross    Average   Combined   Weighted
                                              Mortgage    Principal    Principal  Principal Interest   Gross    Original   Average
Documentation Level Greater than 85% LTV       Loans       Balance      Balance   Balance     Rate     Margin     LTV     FICO Score
------------------------------------------------------------------------------------------------------------------------------------
Full                                             1,081    189,846,583      56.85   175,621     7.440     5.609     92.17       608.7
Stated Documentation                               608    129,609,243      38.81   213,173     7.763     5.618     91.01       646.1
Limited                                             69     14,486,294       4.34   209,946     7.172     5.422     90.73       626.2
------------------------------------------------------------------------------------------------------------------------------------
Total:                                           1,758    333,942,121     100.00   189,956     7.554     5.604     91.66         624
------------------------------------------------------------------------------------------------------------------------------------


This information is being delivered to a specific number of prospective sophisticated investors in order to assist them in determining whether they have an interest in the type of security described herein. It has been prepared solely for information purposes and is not an offer to buy or sell or a solicitation of an offer to buy or sell any security or instrument or to participate in any trading strategy. This material is based on information that Morgan Stanley & Co. Incorporated ("Morgan Stanley") considers reliable. Morgan Stanley makes no representation or warranty with respect to the accuracy or completeness of the information, or with respect to the terms of any future offer of securities conforming to the terms hereof. Any such offer of securities would be made pursuant to a definitive Prospectus or Private Placement Memorandum, as the case may be, prepared by the issuer which could contain material information not contained herein and to which the prospective purchasers are referred. In the event of any such offering, this information shall be deemed superseded, amended and supplemented in its entirety by such Prospectus or Private Placement Memorandum. Such Prospectus or Private Placement Memorandum will contain all material information in respect of any securities offered thereby and any decision to invest in such securities should be made solely in reliance upon such Prospectus or Private Placement Memorandum. The information contained here in may be based on certain assumptions regarding market conditions and other matters and is therefore subject to change. We make no representations regarding the reasonableness of such assumptions or the likelihood that any of such assumptions will coincide with actual market conditions or events, and this material should not be relied on for such purposes. No representation is made that any returns indicated will be achieved. Changes to the assumptions may have a material impact on any returns detailed. Morgan Stanley disclaims any and all liability relating to this information, including without limitation any express or implied representations or warranties for, statements contained in, and omissions from the information contained here in. Additional information is available upon request. Morgan Stanley and others associated with it may have positions in, and may effect transaction in, securities and instruments of issuers mentioned herein and may also perform or seek to perform investment banking services for the issuers of such securities and instruments. Past performance is not necessarily indicative of future results. Price and availability are subject to change without notice. Information contained in this material is current as of the date appearing on this material only. Information in this material regarding any assets backing any securities discussed herein supercedes all prior information regarding such assets. Morgan Stanley is acting as the lead underwriter and not acting as agent for the issuer or its affiliates in connection with the proposed transaction. To our readers worldwide: In addition, please note that this publication has been issued by Morgan Stanley, approved by Morgan Stanley International Limited, a member of The Securities and Futures Authority, and by Morgan Stanley Japan Ltd. We recommend that such investors obtain the advice of their Morgan Stanley, Morgan Stanley International or Morgan Stanley Japan Ltd. representative about the investments concerned. NOT FOR DISTRIBUTION TO PRIVATE CUSTOMERS AS DEFINED BY THE U.K. SECURITIES AND FUTURES AUTHORITY.


MORGAN STANLEY
MSAC 2004-HE9
Fixed Rate Loans

Table of Contents

1. Documentation Level
2. Credit Score
3. Range of Combined Original LTV Ratios (%)
4. Documentation Level Greater than 85% LTV

1. Documentation Level

-------------------------------------------------------------------------------------------------------------------------------
                                                                          % of
                                                                         Morgage
                                                           Aggregate     Pool by      Avg      Weighted   Weighted
                                                Number      Cut-off     Aggregate   Mortgage   Average    Average
                                                  of         Date        Cut-off      Loan      Gross     Combined    Weighted
                                               Mortgage    Principal    Principal   Principal  Interest   Original    Average
Documentation Level                             Loans       Balance      Balance    Balance      Rate       LTV      FICO Score
-------------------------------------------------------------------------------------------------------------------------------
Full                                              2,017   280,902,869       63.80    139,268      7.156      76.33        628.7
Stated Documentation                                906   130,301,994       29.60    143,821      7.690      75.57        651.0
Limited                                             159    29,053,833        6.60    182,729      7.032      75.12        632.1
-------------------------------------------------------------------------------------------------------------------------------
Total:                                            3,082   440,258,697      100.00    142,848      7.306      76.03        635.5
-------------------------------------------------------------------------------------------------------------------------------

2. Credit Score

-------------------------------------------------------------------------------------------------------------------------------
                                                                          % of
                                                                         Morgage
                                                           Aggregate     Pool by      Avg      Weighted   Weighted
                                                Number      Cut-off     Aggregate   Mortgage   Average    Average
                                                  of         Date        Cut-off      Loan      Gross     Combined    Weighted
                                               Mortgage    Principal    Principal   Principal  Interest   Original    Average
Credit Score                                    Loans       Balance      Balance    Balance      Rate       LTV      FICO Score
-------------------------------------------------------------------------------------------------------------------------------
501 - 520                                             3       452,910        0.10    150,970      7.585      54.74        519.2
521 - 540                                           157    18,174,437        4.13    115,761      8.357      71.30        532.5
541 - 560                                           240    26,138,598        5.94    108,911      8.034      75.19        551.8
561 - 580                                           249    31,296,792        7.11    125,690      7.771      74.91        571.3
581 - 600                                           309    41,920,400        9.52    135,665      7.596      75.34        590.4
601 - 620                                           359    53,996,968       12.26    150,409      7.158      75.31        610.2
621 - 640                                           430    65,329,889       14.84    151,930      7.247      76.96        630.1
641 - 660                                           492    73,569,317       16.71    149,531      7.112      76.51        650.3
661 - 680                                           296    43,311,940        9.84    146,324      7.144      76.73        670.1
681 - 700                                           222    32,531,966        7.39    146,540      7.078      78.00        689.4
701 - 720                                           133    20,853,582        4.74    156,794      6.885      76.03        709.6
721 - 740                                            75    12,086,262        2.75    161,150      6.858      78.14        729.6
741 - 760                                            55     8,894,520        2.02    161,719      6.819      80.10        750.9
761 - 780                                            38     6,962,779        1.58    183,231      6.922      76.00        772.3
781 - 800                                            23     4,678,509        1.06    203,413      6.593      69.58        789.4
801 - 820                                             1        59,828        0.01     59,828      6.250      20.00        807.0
-------------------------------------------------------------------------------------------------------------------------------
Total:                                            3,082   440,258,697      100.00    142,848      7.306      76.03        635.5
-------------------------------------------------------------------------------------------------------------------------------
Minimum: 519
Maximum: 807
Weighted Average: 636
-------------------------------------------------------------------------------------------------------------------------------

3. Range of Combined Original LTV Ratios (%)

-------------------------------------------------------------------------------------------------------------------------------
                                                                          % of
                                                                         Morgage
                                                           Aggregate     Pool by      Avg      Weighted   Weighted
                                                Number      Cut-off     Aggregate   Mortgage   Average    Average
                                                  of         Date        Cut-off      Loan      Gross     Combined    Weighted
                                               Mortgage    Principal    Principal   Principal  Interest   Original    Average
Range of Combined Original LTV Ratios (%)       Loans       Balance      Balance    Balance      Rate       LTV      FICO Score
-------------------------------------------------------------------------------------------------------------------------------
<= 10.00                                              3       133,940        0.03     44,647      7.306       8.65        684.6
10.01 - 15.00                                         2       123,721        0.03     61,860      7.206      12.27        631.3
15.01 - 20.00                                         5       295,171        0.07     59,034      7.190      18.67        674.9
20.01 - 25.00                                        16     1,286,866        0.29     80,429      7.208      23.71        636.6
25.01 - 30.00                                        16     1,268,687        0.29     79,293      6.815      28.46        658.5
30.01 - 35.00                                        23     2,421,705        0.55    105,292      6.889      32.20        637.9
35.01 - 40.00                                        40     5,337,802        1.21    133,445      6.778      37.73        628.7
40.01 - 45.00                                        49     5,860,399        1.33    119,600      6.751      42.51        647.0
45.01 - 50.00                                        66     9,928,585        2.26    150,433      6.873      48.12        630.8
50.01 - 55.00                                        92    13,665,444        3.10    148,537      6.796      52.83        624.8
55.01 - 60.00                                       100    14,411,825        3.27    144,118      6.877      57.96        620.1
60.01 - 65.00                                       171    28,096,406        6.38    164,306      6.773      63.20        642.7
65.01 - 70.00                                       223    35,041,764        7.96    157,138      6.937      68.35        625.5
70.01 - 75.00                                       312    50,012,942       11.36    160,298      7.069      73.71        630.0
75.01 - 80.00                                       919   136,912,211       31.10    148,980      7.239      79.50        640.5
80.01 - 85.00                                       336    54,038,413       12.27    160,829      7.297      84.32        621.9
85.01 - 90.00                                       341    51,844,666       11.78    152,037      7.604      89.42        634.3
90.01 - 95.00                                        69    10,661,706        2.42    154,517      7.776      94.71        646.5
95.01 - 100.00                                      299    18,916,445        4.30     63,266     10.168      99.91        675.1
-------------------------------------------------------------------------------------------------------------------------------
Total:                                            3,082   440,258,697      100.00    142,848      7.306      76.03        635.5
-------------------------------------------------------------------------------------------------------------------------------
Minimum: 6.09
Maximum: 100.00
Weighted Average: 76.03
-------------------------------------------------------------------------------------------------------------------------------

4. Documentation Level Greater than 85% LTV

-------------------------------------------------------------------------------------------------------------------------------
                                                                          % of
                                                                         Morgage
                                                           Aggregate     Pool by      Avg      Weighted   Weighted
                                                Number      Cut-off     Aggregate   Mortgage   Average    Average
                                                  of         Date        Cut-off      Loan      Gross     Combined    Weighted
                                               Mortgage    Principal    Principal   Principal  Interest   Original    Average
Documentation Level Greater than 85% LTV        Loans       Balance      Balance    Balance      Rate       LTV      FICO Score
-------------------------------------------------------------------------------------------------------------------------------
Full                                                410    49,570,179       60.88    120,903      7.843      92.10        634.5
Stated Documentation                                259    27,191,823       33.40    104,988      8.924      93.43        667.4
Limited                                              40     4,660,815        5.72    116,520      8.167      92.16        632.3
-------------------------------------------------------------------------------------------------------------------------------
Total:                                              709    81,422,818      100.00    114,842      8.222      92.55        645.4
-------------------------------------------------------------------------------------------------------------------------------


                             % of the pool         avg .oan size      avg FICO    avg LTV    Combined LTV     <600        % of CA
all collateral
IO loans
loans with silent 2nds
2-4 family
stated doc
fixed 1st lien
floatet 1st lien
FICO <600


                                 % of primary resi   % of SF and Pud    % of stated doc    WAC   Fixed %    2nd Lien %   IO %    DTI
all collateral
IO loans
loans with silent 2nds
2-4 family
stated doc
fixed 1st lien
floatet 1st lien
FICO <600


This information is being delivered to a specific number of prospective sophisticated investors in order to assist them in determining whether they have an interest in the type of security described herein. It has been prepared solely for information purposes and is not an offer to buy or sell or a solicitation of an offer to buy or sell any security or instrument or to participate in any trading strategy. This material is based on information that Morgan Stanley & Co. Incorporated ("Morgan Stanley") considers reliable. Morgan Stanley makes no representation or warranty with respect to the accuracy or completeness of the information, or with respect to the terms of any future offer of securities conforming to the terms hereof. Any such offer of securities would be made pursuant to a definitive Prospectus or Private Placement Memorandum, as the case may be, prepared by the issuer which could contain material information not contained herein and to which the prospective purchasers are referred. In the event of any such offering, this information shall be deemed superseded, amended and supplemented in its entirety by such Prospectus or Private Placement Memorandum. Such Prospectus or Private Placement Memorandum will contain all material information in respect of any securities offered thereby and any decision to invest in such securities should be made solely in reliance upon such Prospectus or Private Placement Memorandum. The information contained here in may be based on certain assumptions regarding market conditions and other matters and is therefore subject to change. We make no representations regarding the reasonableness of such assumptions or the likelihood that any of such assumptions will coincide with actual market conditions or events, and this material should not be relied on for such purposes. No representation is made that any returns indicated will be achieved. Changes to the assumptions may have a material impact on any returns detailed. Morgan Stanley disclaims any and all liability relating to this information, including without limitation any express or implied representations or warranties for, statements contained in, and omissions from the information contained here in. Additional information is available upon request. Morgan Stanley and others associated with it may have positions in, and may effect transaction in, securities and instruments of issuers mentioned herein and may also perform or seek to perform investment banking services for the issuers of such securities and instruments. Past performance is not necessarily indicative of future results. Price and availability are subject to change without notice. Information contained in this material is current as of the date appearing on this material only. Information in this material regarding any assets backing any securities discussed herein supercedes all prior information regarding such assets. Morgan Stanley is acting as the lead underwriter and not acting as agent for the issuer or its affiliates in connection with the proposed transaction. To our readers worldwide: In addition, please note that this publication has been issued by Morgan Stanley, approved by Morgan Stanley International Limited, a member of The Securities and Futures Authority, and by Morgan Stanley Japan Ltd. We recommend that such investors obtain the advice of their Morgan Stanley, Morgan Stanley International or Morgan Stanley Japan Ltd. representative about the investments concerned. NOT FOR DISTRIBUTION TO PRIVATE CUSTOMERS AS DEFINED BY THE U.K. SECURITIES AND FUTURES AUTHORITY.


MORGAN STANLEY
MSAC 2004-HE9
All records

Table of Contents

1. Current Mortgage Principal Balance <75k
2. Current Mortgage Principal Balance Greater or Equal to 400K
3. FICO Score
4. Original Loan-to-Value Ratio Greater or Equal 80
5. Second Home
6. Investment Property
7. Cashout Loans
8. Stated Doc
9. Limited Doc
10. 2-4 Family
11. IO Loans

1. Current Mortgage Principal Balance <75k

--------------------------------------------------------------------------------------------------------------------------------
                                                                                                           Wtd
                                           Number                        % of                              Avg
                                             of           Total          Total     Wtd             Wtd    Comb     Pct     Pct
                                          Mortgage       Current        Current    Avg      Pct    Avg    Orig    Full    Owner
Current Mortgage Principal Balance <75k    Loans         Balance        Balance   Coupon    ARM    FICO    LTV     Doc     Occ
--------------------------------------------------------------------------------------------------------------------------------
0.01 - 25,000.00                                17         380,343.36      0.43   11.158       0    657     100   64.17      100
25,000.01 - 50,000.00                          354      15,166,131.43     17.16    9.448   24.54    615   77.82   64.82    89.29
50,000.01 - 75,000.00                        1,152      72,856,195.03     82.41    8.349   51.53    602   78.06   70.64    87.02
--------------------------------------------------------------------------------------------------------------------------------
Total:                                       1,523      88,402,669.82       100     8.55   46.68    605   78.12   69.62    87.47
--------------------------------------------------------------------------------------------------------------------------------


----------------------------------------------------------
                                           Pct       Pct
                                          Single   Cashout
Current Mortgage Principal Balance <75k   Family    Refi
----------------------------------------------------------
0.01 - 25,000.00                           93.77      6.23
25,000.01 - 50,000.00                      86.57     60.56
50,000.01 - 75,000.00                      85.29     62.82
----------------------------------------------------------
Total:                                     85.54     62.19
----------------------------------------------------------

2. Current Mortgage Principal Balance Greater or Equal to 400K

--------------------------------------------------------------------------------------------------------------------------------
                                                                                                            Wtd
                                           Number                        % of                               Avg
                                             of           Total          Total     Wtd              Wtd    Comb     Pct      Pct
Current Mortgage Principal                Mortgage       Current        Current    Avg      Pct     Avg    Orig     Full    Owner
Balance Greater or Equal to 400K           Loans         Balance        Balance   Coupon    ARM     FICO    LTV     Doc      Occ
----------------------------------------------------------------------------------------------------------------------------------
<= 400,000.00                                    7       2,800,000.00      1.65    6.696      100    664   82.74    14.29      100
400,000.01 - 450,000.00                        159      67,319,225.72     39.69    6.894    81.31    629    81.7    54.01    93.64
450,000.01 - 500,000.00                        139      66,649,535.70     39.29    6.838    75.67    644   81.31    44.55    92.06
500,000.01 - 550,000.00                         17       8,934,772.20      5.27    7.116    70.44    632   80.22    29.15     94.3
550,000.01 - 600,000.00                         23      13,267,076.36      7.82    6.543    60.04    654   79.15     39.1      100
600,000.01 - 650,000.00                          9       5,650,703.82      3.33    6.658    55.01    660    74.7    33.41    88.61
650,000.01 - 700,000.00                          3       2,041,640.09       1.2    6.446    66.78    680   81.48      100      100
700,000.01 - 750,000.00                          4       2,966,000.00      1.75    6.475      100    658    76.2    50.57      100
----------------------------------------------------------------------------------------------------------------------------------
Total:                                         361     169,628,953.89       100    6.832    76.44    640   80.95    46.97    93.68
----------------------------------------------------------------------------------------------------------------------------------


----------------------------------------------------------
                                           Pct       Pct
Current Mortgage Principal                Single   Cashout
Balance Greater or Equal to 400K          Family    Refi
----------------------------------------------------------
<= 400,000.00                              85.71     28.57
400,000.01 - 450,000.00                    73.54     56.56
450,000.01 - 500,000.00                    69.02     53.96
500,000.01 - 550,000.00                    58.82     52.98
550,000.01 - 600,000.00                    60.79     70.03
600,000.01 - 650,000.00                     89.2     44.71
650,000.01 - 700,000.00                    32.97     66.19
700,000.01 - 750,000.00                      100     50.57
----------------------------------------------------------
Total:                                     70.69     55.56
----------------------------------------------------------

3. FICO Score

--------------------------------------------------------------------------------------------------------------------------------
                                                                                                           Wtd
                                           Number                        % of                              Avg
                                             of           Total          Total     Wtd             Wtd    Comb     Pct     Pct
FICO                                      Mortgage       Current        Current    Avg      Pct    Avg    Orig    Full    Owner
Score                                      Loans         Balance        Balance   Coupon    ARM    FICO    LTV     Doc     Occ
--------------------------------------------------------------------------------------------------------------------------------
500 - 525                                      625      91,344,655.48      7.36    8.408   96.71    514   73.86   74.28    98.23
526 - 550                                    1,063     158,052,993.84     12.73    8.102   83.69    538   76.22   71.49    97.26
551 - 575                                    1,295     201,674,305.07     16.25    7.685   81.14    563    79.3   68.61    96.48
576 - 600                                    1,334     219,907,503.19     17.71    7.368   76.73    588   79.64   63.03    95.84
601 - 625                                    1,579     289,115,204.12     23.29    6.978   74.16    613   80.69   62.06    94.92
626 - 650                                    1,595     281,311,191.96     22.66    7.105   71.81    638    81.4   41.95    92.64
--------------------------------------------------------------------------------------------------------------------------------
Total:                                       7,491   1,241,405,853.66       100    7.439   78.09    589   79.37   60.84    95.36
--------------------------------------------------------------------------------------------------------------------------------


----------------------------------------------------------
                                           Pct       Pct
FICO                                      Single   Cashout
Score                                     Family    Refi
----------------------------------------------------------
500 - 525                                  82.87     85.46
526 - 550                                   82.5     82.56
551 - 575                                  81.71     72.27
576 - 600                                  81.98     68.28
601 - 625                                   78.3     63.03
626 - 650                                  73.24     54.79
----------------------------------------------------------
Total:                                     79.23     67.73
----------------------------------------------------------

4. Original Loan-to-Value Ratio Greater or Equal 80

--------------------------------------------------------------------------------------------------------------------------------
                                                                                                           Wtd
                                           Number                        % of                              Avg
                                             of           Total          Total     Wtd             Wtd    Comb     Pct     Pct
Original                                  Mortgage       Current        Current    Avg      Pct    Avg    Orig    Full    Owner
Loan-to-Value Ratio Greater or Equal 80    Loans         Balance        Balance   Coupon    ARM    FICO    LTV     Doc     Occ
--------------------------------------------------------------------------------------------------------------------------------
75.01 - 80.00                                3,113     528,932,087.58     44.14    7.107   80.59    632      80   48.75     96.1
80.01 - 85.00                                1,355     253,917,286.05     21.19    7.335   78.72    602   84.48   59.11    91.82
85.01 - 90.00                                1,501     280,492,443.15     23.41    7.483   81.52    624   89.68   52.89    90.64
90.01 - 95.00                                  522      95,020,780.08      7.93    7.717   88.78    626   94.81   67.84    99.69
95.01 - 100.00                                 444      39,851,715.35      3.33    9.033   52.53    664   99.93   66.79      100
--------------------------------------------------------------------------------------------------------------------------------
Total:                                       6,935   1,198,214,312.21       100    7.356   80.13    624   85.05   54.02    94.33
--------------------------------------------------------------------------------------------------------------------------------


----------------------------------------------------------
                                           Pct       Pct
Original                                  Single   Cashout
Loan-to-Value Ratio Greater or Equal 80   Family    Refi
----------------------------------------------------------
75.01 - 80.00                              76.94     36.31
80.01 - 85.00                              76.89     73.83
85.01 - 90.00                               73.5      59.6
90.01 - 95.00                              82.75      49.5
95.01 - 100.00                             75.61     22.35
----------------------------------------------------------
Total:                                     76.54      50.3
----------------------------------------------------------

5. Second Home

----------------------------------------------------------------------------------------------------------------------------------
                                                                                                           Wtd
                                           Number                        % of                              Avg
                                             of           Total          Total     Wtd             Wtd    Comb     Pct     Pct
                                          Mortgage       Current        Current    Avg      Pct    Avg    Orig    Full    Owner
Second Home                                Loans         Balance        Balance   Coupon    ARM    FICO    LTV     Doc     Occ
----------------------------------------------------------------------------------------------------------------------------------
Second Home                                     62      11,967,412.40       100    7.406   90.78    632   79.68   44.04        0
----------------------------------------------------------------------------------------------------------------------------------
Total:                                          62      11,967,412.40       100    7.406   90.78    632   79.68   44.04        0
----------------------------------------------------------------------------------------------------------------------------------


----------------------------------------------------------
                                           Pct       Pct
                                          Single   Cashout
Second Home                               Family    Refi
----------------------------------------------------------
Second Home                                75.13     38.98
----------------------------------------------------------
Total:                                     75.13     38.98
----------------------------------------------------------

6. Investment Property

----------------------------------------------------------------------------------------------------------------------------------
                                                                                                           Wtd
                                           Number                        % of                              Avg
                                             of           Total          Total     Wtd             Wtd    Comb     Pct     Pct
                                          Mortgage       Current        Current    Avg      Pct    Avg    Orig    Full    Owner
Investment Property                        Loans         Balance        Balance   Coupon    ARM    FICO    LTV     Doc     Occ
----------------------------------------------------------------------------------------------------------------------------------
Investment                                     630      91,333,384.86       100    7.677   72.87    646   79.19   47.96        0
----------------------------------------------------------------------------------------------------------------------------------
Total:                                         630      91,333,384.86       100    7.677   72.87    646   79.19   47.96        0
----------------------------------------------------------------------------------------------------------------------------------


----------------------------------------------------------
                                           Pct       Pct
                                          Single   Cashout
Investment Property                       Family    Refi
----------------------------------------------------------
Investment                                  50.9     58.89
----------------------------------------------------------
Total:                                      50.9     58.89
----------------------------------------------------------

7. Cashout Loans

--------------------------------------------------------------------------------------------------------------------------------
                                                                                                           Wtd
                                           Number                        % of                              Avg
                                             of           Total          Total     Wtd             Wtd    Comb     Pct     Pct
                                          Mortgage       Current        Current    Avg      Pct    Avg    Orig    Full    Owner
Cashout Loans                              Loans         Balance        Balance   Coupon    ARM    FICO    LTV     Doc     Occ
--------------------------------------------------------------------------------------------------------------------------------
Refinance - Cashout                          6,101   1,053,008,058.12       100    7.255   68.88    604   77.53   59.91    94.45
--------------------------------------------------------------------------------------------------------------------------------
Total:                                       6,101   1,053,008,058.12       100    7.255   68.88    604   77.53   59.91    94.45
--------------------------------------------------------------------------------------------------------------------------------


----------------------------------------------------------
                                           Pct       Pct
                                          Single   Cashout
Cashout Loans                             Family    Refi
----------------------------------------------------------
Refinance - Cashout                        79.43       100
----------------------------------------------------------
Total:                                     79.43       100
----------------------------------------------------------

8. Stated Doc

--------------------------------------------------------------------------------------------------------------------------------
                                                                                                           Wtd
                                           Number                        % of                              Avg
                                             of           Total          Total     Wtd             Wtd    Comb     Pct     Pct
                                          Mortgage       Current        Current    Avg      Pct    Avg    Orig    Full    Owner
Stated Doc                                 Loans         Balance        Balance   Coupon    ARM    FICO    LTV     Doc     Occ
--------------------------------------------------------------------------------------------------------------------------------
Stated Documentation                         3,760     697,104,126.85       100    7.495   81.31    635   79.36       0    93.08
--------------------------------------------------------------------------------------------------------------------------------
Total:                                       3,760     697,104,126.85       100    7.495   81.31    635   79.36       0    93.08
--------------------------------------------------------------------------------------------------------------------------------


----------------------------------------------------------
                                           Pct       Pct
                                          Single   Cashout
Stated Doc                                Family    Refi
----------------------------------------------------------
Stated Documentation                       74.22      53.4
----------------------------------------------------------
Total:                                     74.22      53.4
----------------------------------------------------------

9. Limited Doc

--------------------------------------------------------------------------------------------------------------------------------
                                                                                                           Wtd
                                           Number                        % of                              Avg
                                             of           Total          Total     Wtd             Wtd    Comb     Pct     Pct
                                          Mortgage       Current        Current    Avg      Pct    Avg    Orig    Full    Owner
Limited Doc                                Loans         Balance        Balance   Coupon    ARM    FICO    LTV     Doc     Occ
--------------------------------------------------------------------------------------------------------------------------------
Limited                                        339      66,098,839.07       100    6.993   59.78    618   79.03       0    92.68
--------------------------------------------------------------------------------------------------------------------------------
Total:                                         339      66,098,839.07       100    6.993   59.78    618   79.03       0    92.68
--------------------------------------------------------------------------------------------------------------------------------


----------------------------------------------------------
                                           Pct       Pct
                                          Single   Cashout
Limited Doc                               Family    Refi
----------------------------------------------------------
Limited                                     74.7      67.4
----------------------------------------------------------
Total:                                      74.7      67.4
----------------------------------------------------------

10. 2-4 Family

--------------------------------------------------------------------------------------------------------------------------------
                                                                                                           Wtd
                                           Number                        % of                              Avg
                                             of           Total          Total     Wtd             Wtd    Comb     Pct     Pct
                                          Mortgage       Current        Current    Avg      Pct    Avg    Orig    Full    Owner
2-4 Family                                 Loans         Balance        Balance   Coupon    ARM    FICO    LTV     Doc     Occ
--------------------------------------------------------------------------------------------------------------------------------
2-4 Family                                     649     139,672,272.19       100     7.34    68.6    638   78.24   43.97     75.5
--------------------------------------------------------------------------------------------------------------------------------
Total:                                         649     139,672,272.19       100     7.34    68.6    638   78.24   43.97     75.5
--------------------------------------------------------------------------------------------------------------------------------


----------------------------------------------------------
                                           Pct       Pct
                                          Single   Cashout
2-4 Family                                Family    Refi
----------------------------------------------------------
2-4 Family                                     0      64.9
----------------------------------------------------------
Total:                                         0      64.9
----------------------------------------------------------

11. IO Loans

--------------------------------------------------------------------------------------------------------------------------------
                                                                                                           Wtd
                                           Number                        % of                              Avg
                                             of           Total          Total     Wtd             Wtd    Comb     Pct     Pct
                                          Mortgage       Current        Current    Avg      Pct    Avg    Orig    Full    Owner
IO Loans                                   Loans         Balance        Balance   Coupon    ARM    FICO    LTV     Doc     Occ
--------------------------------------------------------------------------------------------------------------------------------
Y                                              778     197,889,458.61       100    6.474   93.74    658   82.01   55.82    99.11
--------------------------------------------------------------------------------------------------------------------------------
Total:                                         778     197,889,458.61       100    6.474   93.74    658   82.01   55.82    99.11
--------------------------------------------------------------------------------------------------------------------------------


----------------------------------------------------------
                                           Pct       Pct
                                          Single   Cashout
IO Loans                                  Family    Refi
----------------------------------------------------------
Y                                           71.5      38.6
----------------------------------------------------------
Total:                                      71.5      38.6
----------------------------------------------------------


This information is being delivered to a specific number of prospective sophisticated investors in order to assist them in determining whether they have an interest in the type of security described herein. It has been prepared solely for information purposes and is not an offer to buy or sell or a solicitation of an offer to buy or sell any security or instrument or to participate in any trading strategy. This material is based on information that Morgan Stanley & Co. Incorporated ("Morgan Stanley") considers reliable. Morgan Stanley makes no representation or warranty with respect to the accuracy or completeness of the information, or with respect to the terms of any future offer of securities conforming to the terms hereof. Any such offer of securities would be made pursuant to a definitive Prospectus or Private Placement Memorandum, as the case may be, prepared by the issuer which could contain material information not contained herein and to which the prospective purchasers are referred. In the event of any such offering, this information shall be deemed superseded, amended and supplemented in its entirety by such Prospectus or Private Placement Memorandum. Such Prospectus or Private Placement Memorandum will contain all material information in respect of any securities offered thereby and any decision to invest in such securities should be made solely in reliance upon such Prospectus or Private Placement Memorandum. The information contained here in may be based on certain assumptions regarding market conditions and other matters and is therefore subject to change. We make no representations regarding the reasonableness of such assumptions or the likelihood that any of such assumptions will coincide with actual market conditions or events, and this material should not be relied on for such purposes. No representation is made that any returns indicated will be achieved. Changes to the assumptions may have a material impact on any returns detailed. Morgan Stanley disclaims any and all liability relating to this information, including without limitation any express or implied representations or warranties for, statements contained in, and omissions from the information contained here in. Additional information is available upon request. Morgan Stanley and others associated with it may have positions in, and may effect transaction in, securities and instruments of issuers mentioned herein and may also perform or seek to perform investment banking services for the issuers of such securities and instruments. Past performance is not necessarily indicative of future results. Price and availability are subject to change without notice. Information contained in this material is current as of the date appearing on this material only. Information in this material regarding any assets backing any securities discussed herein supercedes all prior information regarding such assets. Morgan Stanley is acting as the lead underwriter and not acting as agent for the issuer or its affiliates in connection with the proposed transaction. To our readers worldwide: In addition, please note that this publication has been issued by Morgan Stanley, approved by Morgan Stanley International Limited, a member of The Securities and Futures Authority, and by Morgan Stanley Japan Ltd. We recommend that such investors obtain the advice of their Morgan Stanley, Morgan Stanley International or Morgan Stanley Japan Ltd. representative about the investments concerned. NOT FOR DISTRIBUTION TO PRIVATE CUSTOMERS AS DEFINED BY THE U.K. SECURITIES AND FUTURES AUTHORITY.


MORGAN STANLEY
MSAC 2004-HE9
All records

Table of Contents

1. Current Mortgage Principal Balance <75k
2. Current Mortgage Principal Balance Greater or Equal to 400K
3. FICO Score Less than 650
4. Original Loan-to-Value Ratio Greater or Equal 80
5. Second Home
6. Non-Owner Occupied
7. Cashout Loans
8. Stated Doc
9. Limited Doc
10. 2-4 Family
11. IO Loans

1. Current Mortgage Principal Balance <75k

----------------------------------------------------------------------------------------------------------------------------------
                                                                                                           Wtd
                                           Number                        % of                              Avg
                                             of           Total          Total     Wtd             Wtd    Comb     Pct     Pct
                                          Mortgage       Current        Current    Avg      Pct    Avg    Orig    Full    Owner
Current Mortgage Principal Balance <75k    Loans         Balance        Balance   Coupon    ARM    FICO    LTV     Doc     Occ
----------------------------------------------------------------------------------------------------------------------------------
25,000.01 - 50,000.00                          354      15,166,131.43      0.88    9.448   24.54    615   77.82   64.82    89.29
50,000.01 - 75,000.00                        1,152      72,856,195.03      4.25    8.349   51.53    602   78.06   70.64    87.02
Other                                        8,570   1,628,219,761.07     94.87    7.221   75.83    618   79.76   54.13    94.34
----------------------------------------------------------------------------------------------------------------------------------
Total:                                      10,076   1,716,242,087.53    100.00    7.289   74.35    617   79.67   54.93    93.98
----------------------------------------------------------------------------------------------------------------------------------


----------------------------------------------------------


                                           Pct       Pct
                                          Single   Cashout
Current Mortgage Principal Balance <75k   Family    Refi
----------------------------------------------------------
25,000.01 - 50,000.00                      86.57     60.56
50,000.01 - 75,000.00                      85.29     62.82
Other                                      76.70     61.30
----------------------------------------------------------
Total:                                     77.15     61.36
----------------------------------------------------------

2. Current Mortgage Principal Balance Greater or Equal to 400K

----------------------------------------------------------------------------------------------------------------------------------
                                                                                                            Wtd
                                           Number                        % of                               Avg
                                             of           Total          Total     Wtd              Wtd    Comb     Pct      Pct
Current Mortgage Principal                Mortgage       Current        Current    Avg      Pct     Avg    Orig     Full    Owner
Balance Greater or Equal to 400K           Loans         Balance        Balance   Coupon    ARM     FICO    LTV     Doc      Occ
----------------------------------------------------------------------------------------------------------------------------------
= 400,000                                        7       2,800,000.00      0.16    6.696   100.00    664   82.74    14.29   100.00
400000 - 450000                                159      67,319,225.72      3.92    6.894    81.31    629   81.70    54.01    93.64
450000 - 500000                                139      66,649,535.70      3.88    6.838    75.67    644   81.31    44.55    92.06
500000 - 550000                                 17       8,934,772.20      0.52    7.116    70.44    632   80.22    29.15    94.30
550000 - 600000                                 23      13,267,076.36      0.77    6.543    60.04    654   79.15    39.10   100.00
600000 - 650000                                  9       5,650,703.82      0.33    6.658    55.01    660   74.70    33.41    88.61
650000 - 700000                                  3       2,041,640.09      0.12    6.446    66.78    680   81.48   100.00   100.00
700000 - 750000                                  4       2,966,000.00      0.17    6.475   100.00    658   76.20    50.57   100.00
Other                                        9,715   1,546,613,133.64     90.12    7.339    74.12    615   79.53    55.80    94.01
----------------------------------------------------------------------------------------------------------------------------------
Total:                                      10,076   1,716,242,087.53    100.00    7.289    74.35    617   79.67    54.93    93.98
----------------------------------------------------------------------------------------------------------------------------------


----------------------------------------------------------
                                           Pct       Pct
Current Mortgage Principal                Single   Cashout
Balance Greater or Equal to 400K          Family    Refi
----------------------------------------------------------
= 400,000                                  85.71     28.57
400000 - 450000                            73.54     56.56
450000 - 500000                            69.02     53.96
500000 - 550000                            58.82     52.98
550000 - 600000                            60.79     70.03
600000 - 650000                            89.20     44.71
650000 - 700000                            32.97     66.19
700000 - 750000                           100.00     50.57
Other                                      77.86     61.99
----------------------------------------------------------
Total:                                     77.15     61.36
----------------------------------------------------------

3. FICO Score Less than 650

----------------------------------------------------------------------------------------------------------------------------------
                                                                                                           Wtd
                                           Number                        % of                              Avg
                                             of           Total          Total     Wtd             Wtd    Comb     Pct     Pct
                                          Mortgage       Current        Current    Avg      Pct    Avg    Orig    Full    Owner
Score Less than 650                        Loans         Balance        Balance   Coupon    ARM    FICO    LTV     Doc     Occ
----------------------------------------------------------------------------------------------------------------------------------
500 - 524                                      592      86,173,871.76      5.02    8.435   97.18    513   74.02   74.42    98.48
525 - 549                                    1,046     155,870,997.14      9.08    8.113   83.86    537   75.80   71.37    97.05
550 - 574                                    1,293     201,712,602.33     11.75    7.680   81.15    562   79.37   69.03    96.55
575 - 599                                    1,321     214,303,872.25     12.49    7.407   76.66    587   79.53   62.55    96.00
600 - 624                                    1,566     288,276,010.19     16.80    6.973   75.11    612   80.64   62.77    95.04
625 - 649                                    1,622     286,529,163.36     16.70    7.106   71.56    637   81.44   42.53    92.78
Other                                        2,636     483,375,570.50     28.16    6.899   64.55    690   80.49   39.57    90.30
----------------------------------------------------------------------------------------------------------------------------------
Total:                                      10,076   1,716,242,087.53    100.00    7.289   74.35    617   79.67   54.93    93.98
----------------------------------------------------------------------------------------------------------------------------------


----------------------------------------------------------
                                           Pct       Pct
                                          Single   Cashout
Score Less than 650                       Family    Refi
----------------------------------------------------------
500 - 524                                  83.01     85.25
525 - 549                                  82.19     83.36
550 - 574                                  81.96     72.29
575 - 599                                  82.07     68.43
600 - 624                                  78.12     63.23
625 - 649                                  73.92     55.16
Other                                      71.62     44.85
----------------------------------------------------------
Total:                                     77.15     61.36
----------------------------------------------------------

4. Original Loan-to-Value Ratio Greater or Equal 80

----------------------------------------------------------------------------------------------------------------------------------
                                                                                                           Wtd
                                           Number                        % of                              Avg
                                             of           Total          Total     Wtd             Wtd    Comb     Pct     Pct
Original                                  Mortgage       Current        Current    Avg      Pct    Avg    Orig    Full    Owner
Loan-to-Value Ratio Greater or Equal 80    Loans         Balance        Balance   Coupon    ARM    FICO    LTV     Doc     Occ
----------------------------------------------------------------------------------------------------------------------------------
80.00 - 85.00                                4,468     782,849,373.63     45.61    7.181   79.99    622   81.45   52.11    94.71
85.01 - 90.00                                1,501     280,492,443.15     16.34    7.483   81.52    624   89.68   52.89    90.64
90.01 - 95.01                                  522      95,020,780.08      5.54    7.717   88.78    626   94.81   67.84    99.69
95.01 - 100.00                                 444      39,851,715.35      2.32    9.033   52.53    664   99.93   66.79   100.00
Other                                        3,141     518,027,775.32     30.18    7.134   60.98    601   67.22   57.02    93.18
----------------------------------------------------------------------------------------------------------------------------------
Total:                                      10,076   1,716,242,087.53    100.00    7.289   74.35    617   79.67   54.93    93.98
----------------------------------------------------------------------------------------------------------------------------------

----------------------------------------------------------
                                           Pct       Pct
Original                                  Single   Cashout
Loan-to-Value Ratio Greater or Equal 80   Family    Refi
----------------------------------------------------------
80.00 - 85.00                              76.92     48.48
85.01 - 90.00                              73.50     59.60
90.01 - 95.01                              82.75     49.50
95.01 - 100.00                             75.61     22.35
Other                                      78.55     86.94
----------------------------------------------------------
Total:                                     77.15     61.36
----------------------------------------------------------

5. Second Home

----------------------------------------------------------------------------------------------------------------------------------
                                                                                                           Wtd
                                           Number                        % of                              Avg
                                             of           Total          Total     Wtd             Wtd    Comb     Pct     Pct
                                          Mortgage       Current        Current    Avg      Pct    Avg    Orig    Full    Owner
Second Home                                Loans         Balance        Balance   Coupon    ARM    FICO    LTV     Doc     Occ
----------------------------------------------------------------------------------------------------------------------------------
Second Home                                     62      11,967,412.40      0.70    7.406   90.78    632   79.68   44.04     0.00
Other                                       10,014   1,704,274,675.13     99.30    7.288   74.23    617   79.67   55.01    94.64
----------------------------------------------------------------------------------------------------------------------------------
Total:                                      10,076   1,716,242,087.53    100.00    7.289   74.35    617   79.67   54.93    93.98
----------------------------------------------------------------------------------------------------------------------------------


----------------------------------------------------------
                                           Pct       Pct
                                          Single   Cashout
Second Home                               Family    Refi
----------------------------------------------------------
Second Home                                75.13     38.98
Other                                      77.16     61.51
----------------------------------------------------------
Total:                                     77.15     61.36
----------------------------------------------------------

6. Non-Owner Occupied

----------------------------------------------------------------------------------------------------------------------------------
                                                                                                           Wtd
                                           Number                        % of                              Avg
                                             of           Total          Total     Wtd             Wtd    Comb     Pct     Pct
                                          Mortgage       Current        Current    Avg      Pct    Avg    Orig    Full    Owner
Non-Owner Occupied                         Loans         Balance        Balance   Coupon    ARM    FICO    LTV     Doc     Occ
----------------------------------------------------------------------------------------------------------------------------------
Non Owner Occupied                             630      91,333,384.86      5.32    7.677   72.87    646   79.19   47.96     0.00
Other                                        9,446   1,624,908,702.67     94.68    7.267   74.43    616   79.70   55.32    99.26
----------------------------------------------------------------------------------------------------------------------------------
Total:                                      10,076   1,716,242,087.53    100.00    7.289   74.35    617   79.67   54.93    93.98
----------------------------------------------------------------------------------------------------------------------------------


----------------------------------------------------------
                                           Pct       Pct
                                          Single   Cashout
Non-Owner Occupied                        Family    Refi
----------------------------------------------------------
Non Owner Occupied                         50.90     58.89
Other                                      78.62     61.49
----------------------------------------------------------
Total:                                     77.15     61.36
----------------------------------------------------------

7. Cashout Loans

----------------------------------------------------------------------------------------------------------------------------------
                                                                                                           Wtd
                                           Number                        % of                              Avg
                                             of           Total          Total     Wtd             Wtd    Comb     Pct     Pct
                                          Mortgage       Current        Current    Avg      Pct    Avg    Orig    Full    Owner
Cashout Loans                              Loans         Balance        Balance   Coupon    ARM    FICO    LTV     Doc     Occ
----------------------------------------------------------------------------------------------------------------------------------
Refinance - Cashout                          6,101   1,053,008,058.12     61.36    7.255   68.88    604   77.53   59.91    94.45
Other                                        3,975     663,234,029.41     38.64    7.342   83.03    639   83.08   47.02    93.24
----------------------------------------------------------------------------------------------------------------------------------
Total:                                      10,076   1,716,242,087.53    100.00    7.289   74.35    617   79.67   54.93    93.98
----------------------------------------------------------------------------------------------------------------------------------


----------------------------------------------------------
                                           Pct       Pct
                                          Single   Cashout
Cashout Loans                             Family    Refi
----------------------------------------------------------
Refinance - Cashout                        79.43    100.00
Other                                      73.53      0.00
----------------------------------------------------------
Total:                                     77.15     61.36
----------------------------------------------------------

8. Stated Doc

----------------------------------------------------------------------------------------------------------------------------------
                                                                                                           Wtd
                                           Number                        % of                              Avg
                                             of           Total          Total     Wtd             Wtd    Comb     Pct     Pct
                                          Mortgage       Current        Current    Avg      Pct    Avg    Orig    Full    Owner
Stated Doc                                 Loans         Balance        Balance   Coupon    ARM    FICO    LTV     Doc     Occ
----------------------------------------------------------------------------------------------------------------------------------
Stated Doc                                   3,760     697,104,126.85     40.62    7.495   81.31    635   79.36    0.00    93.08
Other                                        6,316   1,019,137,960.68     59.38    7.148   69.59    605   79.88   92.50    94.59
----------------------------------------------------------------------------------------------------------------------------------
Total:                                      10,076   1,716,242,087.53    100.00    7.289   74.35    617   79.67   54.93    93.98
----------------------------------------------------------------------------------------------------------------------------------


----------------------------------------------------------
                                           Pct       Pct
                                          Single   Cashout
Stated Doc                                Family    Refi
----------------------------------------------------------
Stated Doc                                 74.22     53.40
Other                                      79.15     66.80
----------------------------------------------------------
Total:                                     77.15     61.36
----------------------------------------------------------

9. Limited Doc

----------------------------------------------------------------------------------------------------------------------------------
                                                                                                           Wtd
                                           Number                        % of                              Avg
                                             of           Total          Total     Wtd             Wtd    Comb     Pct     Pct
                                          Mortgage       Current        Current    Avg      Pct    Avg    Orig    Full    Owner
Limited Doc                                Loans         Balance        Balance   Coupon    ARM    FICO    LTV     Doc     Occ
----------------------------------------------------------------------------------------------------------------------------------
Limited Doc                                    390      76,403,352.53      4.45    7.073   61.97    616   79.27    0.00    92.13
Other                                        9,686   1,639,838,735.00     95.55    7.299   74.92    617   79.69   57.49    94.07
----------------------------------------------------------------------------------------------------------------------------------
Total:                                      10,076   1,716,242,087.53    100.00    7.289   74.35    617   79.67   54.93    93.98
----------------------------------------------------------------------------------------------------------------------------------


----------------------------------------------------------
                                           Pct       Pct
                                          Single   Cashout
Limited Doc                               Family    Refi
----------------------------------------------------------
Limited Doc                                75.35     65.31
Other                                      77.23     61.17
----------------------------------------------------------
Total:                                     77.15     61.36
----------------------------------------------------------

10. 2-4 Family

----------------------------------------------------------------------------------------------------------------------------------
                                                                                                           Wtd
                                           Number                        % of                              Avg
                                             of           Total          Total     Wtd             Wtd    Comb     Pct     Pct
                                          Mortgage       Current        Current    Avg      Pct    Avg    Orig    Full    Owner
2-4 Family                                 Loans         Balance        Balance   Coupon    ARM    FICO    LTV     Doc     Occ
----------------------------------------------------------------------------------------------------------------------------------
2-4 Family                                     649     139,672,272.19      8.14    7.340   68.60    638   78.24   43.97    75.50
Other                                        9,427   1,576,569,815.34     91.86    7.284   74.86    616   79.80   55.90    95.62
----------------------------------------------------------------------------------------------------------------------------------
Total:                                      10,076   1,716,242,087.53    100.00    7.289   74.35    617   79.67   54.93    93.98
----------------------------------------------------------------------------------------------------------------------------------


----------------------------------------------------------
                                           Pct       Pct
                                          Single   Cashout
2-4 Family                                Family    Refi
----------------------------------------------------------
2-4 Family                                  0.00     64.90
Other                                      83.98     61.04
----------------------------------------------------------
Total:                                     77.15     61.36
----------------------------------------------------------

11. IO Loans

----------------------------------------------------------------------------------------------------------------------------------
                                                                                                           Wtd
                                           Number                        % of                              Avg
                                             of           Total          Total     Wtd             Wtd    Comb     Pct     Pct
                                          Mortgage       Current        Current    Avg      Pct    Avg    Orig    Full    Owner
IO Loans                                   Loans         Balance        Balance   Coupon    ARM    FICO    LTV     Doc     Occ
----------------------------------------------------------------------------------------------------------------------------------
Interest Only Loans                            778     197,889,458.61     11.53    6.474   93.74    658   82.01   55.82    99.11
Other                                        9,298   1,518,352,628.92     88.47    7.395   71.82    612   79.37   54.81    93.31
----------------------------------------------------------------------------------------------------------------------------------
Total:                                      10,076   1,716,242,087.53    100.00    7.289   74.35    617   79.67   54.93    93.98
----------------------------------------------------------------------------------------------------------------------------------


----------------------------------------------------------
                                           Pct       Pct
                                          Single   Cashout
IO Loans                                  Family    Refi
----------------------------------------------------------
Interest Only Loans                        71.50     38.60
Other                                      77.88     64.32
----------------------------------------------------------
Total:                                     77.15     61.36
----------------------------------------------------------


This information is being delivered to a specific number of prospective sophisticated investors in order to assist them in determining whether they have an interest in the type of security described herein. It has been prepared solely for information purposes and is not an offer to buy or sell or a solicitation of an offer to buy or sell any security or instrument or to participate in any trading strategy. This material is based on information that Morgan Stanley & Co. Incorporated ("Morgan Stanley") considers reliable. Morgan Stanley makes no representation or warranty with respect to the accuracy or completeness of the information, or with respect to the terms of any future offer of securities conforming to the terms hereof. Any such offer of securities would be made pursuant to a definitive Prospectus or Private Placement Memorandum, as the case may be, prepared by the issuer which could contain material information not contained herein and to which the prospective purchasers are referred. In the event of any such offering, this information shall be deemed superseded, amended and supplemented in its entirety by such Prospectus or Private Placement Memorandum. Such Prospectus or Private Placement Memorandum will contain all material information in respect of any securities offered thereby and any decision to invest in such securities should be made solely in reliance upon such Prospectus or Private Placement Memorandum. The information contained here in may be based on certain assumptions regarding market conditions and other matters and is therefore subject to change. We make no representations regarding the reasonableness of such assumptions or the likelihood that any of such assumptions will coincide with actual market conditions or events, and this material should not be relied on for such purposes. No representation is made that any returns indicated will be achieved. Changes to the assumptions may have a material impact on any returns detailed. Morgan Stanley disclaims any and all liability relating to this information, including without limitation any express or implied representations or warranties for, statements contained in, and omissions from the information contained here in. Additional information is available upon request. Morgan Stanley and others associated with it may have positions in, and may effect transaction in, securities and instruments of issuers mentioned herein and may also perform or seek to perform investment banking services for the issuers of such securities and instruments. Past performance is not necessarily indicative of future results. Price and availability are subject to change without notice. Information contained in this material is current as of the date appearing on this material only. Information in this material regarding any assets backing any securities discussed herein supercedes all prior information regarding such assets. Morgan Stanley is acting as the lead underwriter and not acting as agent for the issuer or its affiliates in connection with the proposed transaction. To our readers worldwide: In addition, please note that this publication has been issued by Morgan Stanley, approved by Morgan Stanley International Limited, a member of The Securities and Futures Authority, and by Morgan Stanley Japan Ltd. We recommend that such investors obtain the advice of their Morgan Stanley, Morgan Stanley International or Morgan Stanley Japan Ltd. representative about the investments concerned. NOT FOR DISTRIBUTION TO PRIVATE CUSTOMERS AS DEFINED BY THE U.K. SECURITIES AND FUTURES AUTHORITY.


MORGAN STANLEY
MSAC 2004-HE9
All records

1. DTI

------------------------------------------------------------------------------------------------------------------------------
                                                                         % of
                                                                       Mortgage
                                                                        Pool by
                                                         Aggregate     Aggregate   Weighted   Weighted   Weighted
                                             Number       Cut-off       Cut-off    Average    Average    Average     Weighted
                                               of          Date          Date       Gross     Remaining  Combined    Average
                                            Mortgage     Principal     Principal   Interest     Term     Original      FICO
DTI                                          Loans      Balance ($)     Balance    Rate (%)   (months)     LTV        Score
------------------------------------------------------------------------------------------------------------------------------
0.01 - 5.00                                        4         460,415        0.03      7.925        357      78.72          652
5.01 - 10.00                                      21       3,142,385        0.18      7.379        348      77.67          654
10.01 - 15.00                                     89      12,771,827        0.74      7.128        345      76.27          633
15.01 - 20.00                                    216      29,237,156        1.70      7.465        348      77.21          619
20.01 - 25.00                                    467      62,126,624        3.62      7.299        349      76.71          616
25.01 - 30.00                                    751     105,094,424        6.12      7.304        347      77.71          615
30.01 - 35.00                                  1,128     175,580,761       10.23      7.321        351      78.18          613
35.01 - 40.00                                  1,555     258,127,236       15.04      7.263        352      79.68          618
40.01 - 45.00                                  2,435     431,412,367       25.14      7.325        352      80.19          625
45.01 - 50.00                                  2,938     555,646,180       32.38      7.261        353      81.68          616
50.01 - 55.00                                    467      81,587,458        4.75      7.238        347      72.87          592
55.01 - 60.00                                      3         787,534        0.05      6.081        357      67.93          636
60.01 - 65.00                                      2         267,720        0.02      7.555        357      82.06          620
------------------------------------------------------------------------------------------------------------------------------
Total:                                        10,076   1,716,242,088      100.00      7.289        351      79.67          617
------------------------------------------------------------------------------------------------------------------------------
Maximum DTI: 63.18
Minimum DTI: 0.09
Weighted Average DTI: 40.86
------------------------------------------------------------------------------------------------------------------------------


This information is being delivered to a specific number of prospective sophisticated investors in order to assist them in determining whether they have an interest in the type of security described herein. It has been prepared solely for information purposes and is not an offer to buy or sell or a solicitation of an offer to buy or sell any security or instrument or to participate in any trading strategy. This material is based on information that Morgan Stanley & Co. Incorporated ("Morgan Stanley") considers reliable. Morgan Stanley makes no representation or warranty with respect to the accuracy or completeness of the information, or with respect to the terms of any future offer of securities conforming to the terms hereof. Any such offer of securities would be made pursuant to a definitive Prospectus or Private Placement Memorandum, as the case may be, prepared by the issuer which could contain material information not contained herein and to which the prospective purchasers are referred. In the event of any such offering, this information shall be deemed superseded, amended and supplemented in its entirety by such Prospectus or Private Placement Memorandum. Such Prospectus or Private Placement Memorandum will contain all material information in respect of any securities offered thereby and any decision to invest in such securities should be made solely in reliance upon such Prospectus or Private Placement Memorandum. The information contained here in may be based on certain assumptions regarding market conditions and other matters and is therefore subject to change. We make no representations regarding the reasonableness of such assumptions or the likelihood that any of such assumptions will coincide with actual market conditions or events, and this material should not be relied on for such purposes. No representation is made that any returns indicated will be achieved. Changes to the assumptions may have a material impact on any returns detailed. Morgan Stanley disclaims any and all liability relating to this information, including without limitation any express or implied representations or warranties for, statements contained in, and omissions from the information contained here in. Additional information is available upon request. Morgan Stanley and others associated with it may have positions in, and may effect transaction in, securities and instruments of issuers mentioned herein and may also perform or seek to perform investment banking services for the issuers of such securities and instruments. Past performance is not necessarily indicative of future results. Price and availability are subject to change without notice. Information contained in this material is current as of the date appearing on this material only. Information in this material regarding any assets backing any securities discussed herein supercedes all prior information regarding such assets. Morgan Stanley is acting as the lead underwriter and not acting as agent for the issuer or its affiliates in connection with the proposed transaction. To our readers worldwide: In addition, please note that this publication has been issued by Morgan Stanley, approved by Morgan Stanley International Limited, a member of The Securities and Futures Authority, and by Morgan Stanley Japan Ltd. We recommend that such investors obtain the advice of their Morgan Stanley, Morgan Stanley International or Morgan Stanley Japan Ltd. representative about the investments concerned. NOT FOR DISTRIBUTION TO PRIVATE CUSTOMERS AS DEFINED BY THE U.K. SECURITIES AND FUTURES AUTHORITY.


MORGAN STANLEY
MSAC 2004-HE9
All records

1. Range of Gross Interest Rates (%)

--------------------------------------------------------------------------------------------------------------------------------
                                                                         % of
                                                                       Mortgage
                                                                        Pool by
                                                         Aggregate     Aggregate   Weighted   Weighted   Weighted
                                             Number       Cut-off       Cut-off    Average    Average    Average     Weighted
                                               of          Date          Date       Gross     Remaining  Combined    Average
                                            Mortgage     Principal     Principal   Interest     Term     Original      FICO
Range of Gross Interest Rates (%)            Loans      Balance ($)     Balance    Rate (%)   (months)     LTV        Score
--------------------------------------------------------------------------------------------------------------------------------
4.000 - 4.249                                      1         364,000        0.02      4.125        297      80.00          706
4.250 - 4.499                                      4       1,019,615        0.06      4.400        297      78.29          717
4.500 - 4.749                                     14       4,171,199        0.24      4.567        303      83.06          750
4.750 - 4.999                                     30       9,130,611        0.53      4.845        307      79.71          722
5.000 - 5.249                                     14       3,554,729        0.21      5.097        350      79.54          652
5.250 - 5.499                                    100      23,503,517        1.37      5.342        348      76.30          652
5.500 - 5.749                                    126      32,532,814        1.90      5.596        356      75.94          641
5.750 - 5.999                                    452     107,474,529        6.26      5.922        352      75.03          651
6.000 - 6.249                                    341      72,104,601        4.20      6.095        354      75.06          641
6.250 - 6.499                                    638     132,261,904        7.71      6.343        351      76.57          643
6.500 - 6.749                                    773     152,532,264        8.89      6.585        351      77.94          633
6.750 - 6.999                                  1,191     227,418,131       13.25      6.886        351      79.22          629
7.000 - 7.249                                    626     110,730,428        6.45      7.114        352      80.18          614
7.250 - 7.499                                    882     153,801,534        8.96      7.345        354      80.67          615
7.500 - 7.749                                    846     142,170,083        8.28      7.583        353      81.44          612
7.750 - 7.999                                  1,114     182,831,065       10.65      7.880        352      81.85          600
8.000 - 8.249                                    420      62,601,833        3.65      8.104        353      82.57          596
8.250 - 8.499                                    498      73,151,132        4.26      8.345        353      81.40          584
8.500 - 8.749                                    486      63,693,189        3.71      8.584        350      82.20          580
8.750 - 8.999                                    538      70,754,235        4.12      8.875        353      82.30          577
9.000 - 9.249                                    144      17,282,008        1.01      9.123        355      82.30          571
9.250 - 9.499                                    160      17,615,927        1.03      9.342        353      81.00          565
9.500 - 9.749                                     97      10,427,440        0.61      9.590        346      80.01          559
9.750 - 9.999                                    119      13,096,295        0.76      9.890        351      80.31          556
10.000 - 10.249                                   59       4,420,451        0.26     10.119        337      81.75          596
10.250 - 10.499                                   71       5,366,480        0.31     10.354        334      82.63          593
10.500 - 10.749                                   62       4,287,070        0.25     10.605        325      82.44          591
10.750 - 10.999                                   89       6,655,914        0.39     10.869        328      87.03          615
11.000 - 11.249                                   55       3,086,934        0.18     11.080        314      93.20          630
11.250 - 11.499                                   48       2,899,496        0.17     11.358        323      87.48          595
11.500 - 11.749                                   33       1,763,468        0.10     11.590        303      94.23          625
11.750 - 11.999                                   21       1,666,726        0.10     11.841        318      88.12          601
12.000 - 12.249                                   10         606,758        0.04     12.080        337      86.39          584
12.250 - 12.499                                    5         412,169        0.02     12.351        350      89.62          589
12.500 - 12.749                                    5         352,532        0.02     12.603        357      87.00          571
12.750 - 12.999                                    3         452,028        0.03     12.819        311      84.21          574
13.000 - 13.249                                    1          48,978        0.00     13.055        358      70.00          542
--------------------------------------------------------------------------------------------------------------------------------
Total:                                        10,076   1,716,242,088      100.00      7.289        351      79.67          617
--------------------------------------------------------------------------------------------------------------------------------
Minimum: 4.125
Maximum: 13.055
Weighted Average: 7.289
--------------------------------------------------------------------------------------------------------------------------------

This information is being delivered to a specific number of prospective sophisticated investors in order to assist them in determining whether they have an interest in the type of security described herein. It has been prepared solely for information purposes and is not an offer to buy or sell or a solicitation of an offer to buy or sell any security or instrument or to participate in any trading strategy. This material is based on information that Morgan Stanley & Co. Incorporated ("Morgan Stanley") considers reliable. Morgan Stanley makes no representation or warranty with respect to the accuracy or completeness of the information, or with respect to the terms of any future offer of securities conforming to the terms hereof. Any such offer of securities would be made pursuant to a definitive Prospectus or Private Placement Memorandum, as the case may be, prepared by the issuer which could contain material information not contained herein and to which the prospective purchasers are referred. In the event of any such offering, this information shall be deemed superseded, amended and supplemented in its entirety by such Prospectus or Private Placement Memorandum. Such Prospectus or Private Placement Memorandum will contain all material information in respect of any securities offered thereby and any decision to invest in such securities should be made solely in reliance upon such Prospectus or Private Placement Memorandum. The information contained here in may be based on certain assumptions regarding market conditions and other matters and is therefore subject to change. We make no representations regarding the reasonableness of such assumptions or the likelihood that any of such assumptions will coincide with actual market conditions or events, and this material should not be relied on for such purposes. No representation is made that any returns indicated will be achieved. Changes to the assumptions may have a material impact on any returns detailed. Morgan Stanley disclaims any and all liability relating to this information, including without limitation any express or implied representations or warranties for, statements contained in, and omissions from the information contained here in. Additional information is available upon request. Morgan Stanley and others associated with it may have positions in, and may effect transaction in, securities and instruments of issuers mentioned herein and may also perform or seek to perform investment banking services for the issuers of such securities and instruments. Past performance is not necessarily indicative of future results. Price and availability are subject to change without notice. Information contained in this material is current as of the date appearing on this material only. Information in this material regarding any assets backing any securities discussed herein supercedes all prior information regarding such assets. Morgan Stanley is acting as the lead underwriter and not acting as agent for the issuer or its affiliates in connection with the proposed transaction. To our readers worldwide: In addition, please note that this publication has been issued by Morgan Stanley, approved by Morgan Stanley International Limited, a member of The Securities and Futures Authority, and by Morgan Stanley Japan Ltd. We recommend that such investors obtain the advice of their Morgan Stanley, Morgan Stanley International or Morgan Stanley Japan Ltd. representative about the investments concerned. NOT FOR DISTRIBUTION TO PRIVATE CUSTOMERS AS DEFINED BY THE U.K. SECURITIES AND FUTURES AUTHORITY.


MORGAN STANLEY
MSAC 2004-HE9
ARM Loans

1. Range of Gross Interest Rates (%)

------------------------------------------------------------------------------------------------------------------------------
                                                                         % of
                                                                       Mortgage
                                                                        Pool by
                                                         Aggregate     Aggregate   Weighted   Weighted   Weighted
                                             Number       Cut-off       Cut-off    Average    Average    Average     Weighted
                                               of          Date          Date       Gross     Remaining  Combined    Average
                                            Mortgage     Principal     Principal   Interest     Term     Original      FICO
Range of Gross Interest Rates (%)            Loans      Balance ($)     Balance    Rate (%)   (months)     LTV        Score
------------------------------------------------------------------------------------------------------------------------------
4.000 - 4.249                                      1         364,000        0.03      4.125        297      80.00          706
4.250 - 4.499                                      4       1,019,615        0.08      4.400        297      78.29          717
4.500 - 4.749                                     14       4,171,199        0.33      4.567        303      83.06          750
4.750 - 4.999                                     29       9,070,452        0.71      4.844        307      79.70          722
5.000 - 5.249                                     14       3,554,729        0.28      5.097        350      79.54          652
5.250 - 5.499                                     93      21,841,979        1.71      5.342        352      76.97          651
5.500 - 5.749                                    121      31,300,855        2.45      5.596        356      76.69          639
5.750 - 5.999                                    279      66,786,904        5.23      5.895        357      77.70          637
6.000 - 6.249                                    232      49,259,282        3.86      6.102        357      78.02          632
6.250 - 6.499                                    425      88,295,506        6.92      6.355        357      79.30          634
6.500 - 6.749                                    516     107,117,309        8.39      6.589        357      79.86          628
6.750 - 6.999                                    821     166,259,021       13.03      6.889        357      80.85          624
7.000 - 7.249                                    460      84,652,682        6.63      7.118        357      81.53          610
7.250 - 7.499                                    637     117,346,106        9.20      7.347        357      81.49          611
7.500 - 7.749                                    603     107,661,180        8.44      7.588        357      82.32          608
7.750 - 7.999                                    812     143,314,421       11.23      7.878        357      82.81          597
8.000 - 8.249                                    309      50,065,582        3.92      8.103        357      83.55          592
8.250 - 8.499                                    370      58,988,033        4.62      8.346        357      82.20          580
8.500 - 8.749                                    352      50,454,118        3.95      8.580        357      82.72          577
8.750 - 8.999                                    412      58,359,925        4.57      8.878        357      82.54          573
9.000 - 9.249                                    100      12,523,297        0.98      9.125        357      82.47          560
9.250 - 9.499                                    107      12,931,324        1.01      9.347        357      82.41          559
9.500 - 9.749                                     64       7,452,662        0.58      9.595        357      78.61          547
9.750 - 9.999                                     81      10,403,180        0.82      9.901        357      79.48          547
10.000 - 10.249                                   23       2,431,434        0.19     10.115        357      76.20          560
10.250 - 10.499                                   28       2,563,501        0.20     10.370        357      74.97          533
10.500 - 10.749                                   21       1,796,477        0.14     10.584        356      75.90          544
10.750 - 10.999                                   20       2,389,124        0.19     10.883        357      74.26          543
11.000 - 11.249                                   10         782,077        0.06     11.150        357      76.20          527
11.250 - 11.499                                   15       1,162,206        0.09     11.370        357      73.42          531
11.500 - 11.749                                    4         333,884        0.03     11.563        317      76.58          526
11.750 - 11.999                                    6         587,859        0.05     11.825        357      74.66          533
12.000 - 12.249                                    5         317,975        0.02     12.138        357      77.84          534
12.250 - 12.499                                    1         128,145        0.01     12.250        357      75.00          515
12.500 - 12.749                                    2         137,695        0.01     12.584        357      76.79          524
12.750 - 12.999                                    2         110,672        0.01     12.954        357      66.33          511
13.000 - 13.249                                    1          48,978        0.00     13.055        358      70.00          542
------------------------------------------------------------------------------------------------------------------------------
Total:                                         6,994   1,275,983,391      100.00      7.283        356      80.93          611
------------------------------------------------------------------------------------------------------------------------------
Minimum: 4.125
------------------------------------------------------------------------------------------------------------------------------

This information is being delivered to a specific number of prospective sophisticated investors in order to assist them in determining whether they have an interest in the type of security described herein. It has been prepared solely for information purposes and is not an offer to buy or sell or a solicitation of an offer to buy or sell any security or instrument or to participate in any trading strategy. This material is based on information that Morgan Stanley & Co. Incorporated ("Morgan Stanley") considers reliable. Morgan Stanley makes no representation or warranty with respect to the accuracy or completeness of the information, or with respect to the terms of any future offer of securities conforming to the terms hereof. Any such offer of securities would be made pursuant to a definitive Prospectus or Private Placement Memorandum, as the case may be, prepared by the issuer which could contain material information not contained herein and to which the prospective purchasers are referred. In the event of any such offering, this information shall be deemed superseded, amended and supplemented in its entirety by such Prospectus or Private Placement Memorandum. Such Prospectus or Private Placement Memorandum will contain all material information in respect of any securities offered thereby and any decision to invest in such securities should be made solely in reliance upon such Prospectus or Private Placement Memorandum. The information contained here in may be based on certain assumptions regarding market conditions and other matters and is therefore subject to change. We make no representations regarding the reasonableness of such assumptions or the likelihood that any of such assumptions will coincide with actual market conditions or events, and this material should not be relied on for such purposes. No representation is made that any returns indicated will be achieved. Changes to the assumptions may have a material impact on any returns detailed. Morgan Stanley disclaims any and all liability relating to this information, including without limitation any express or implied representations or warranties for, statements contained in, and omissions from the information contained here in. Additional information is available upon request. Morgan Stanley and others associated with it may have positions in, and may effect transaction in, securities and instruments of issuers mentioned herein and may also perform or seek to perform investment banking services for the issuers of such securities and instruments. Past performance is not necessarily indicative of future results. Price and availability are subject to change without notice. Information contained in this material is current as of the date appearing on this material only. Information in this material regarding any assets backing any securities discussed herein supercedes all prior information regarding such assets. Morgan Stanley is acting as the lead underwriter and not acting as agent for the issuer or its affiliates in connection with the proposed transaction. To our readers worldwide: In addition, please note that this publication has been issued by Morgan Stanley, approved by Morgan Stanley International Limited, a member of The Securities and Futures Authority, and by Morgan Stanley Japan Ltd. We recommend that such investors obtain the advice of their Morgan Stanley, Morgan Stanley International or Morgan Stanley Japan Ltd. representative about the investments concerned. NOT FOR DISTRIBUTION TO PRIVATE CUSTOMERS AS DEFINED BY THE U.K. SECURITIES AND FUTURES AUTHORITY.


MORGAN STANLEY
MSAC 2004-HE9
FRM Loans

1. Range of Gross Interest Rates (%)

----------------------------------------------------------------------------------------------------------------------------
                                                                       % of
                                                                     Mortgage
                                                                     Pool by
                                                        Aggregate    Aggregate   Weighted   Weighted   Weighted
                                             Number      Cut-off      Cut-off    Average    Average    Average     Weighted
                                               of         Date         Date       Gross     Remaining  Combined    Average
                                            Mortgage    Principal    Principal   Interest     Term     Original      FICO
Range of Gross Interest Rates (%)            Loans     Balance ($)    Balance    Rate (%)   (months)     LTV        Score
----------------------------------------------------------------------------------------------------------------------------
4.750 - 4.999                                      1        60,158        0.01      4.999        354      81.89          754
5.250 - 5.499                                      7     1,661,538        0.38      5.345        301      67.48          670
5.500 - 5.749                                      5     1,231,959        0.28      5.591        356      56.75          700
5.750 - 5.999                                    173    40,687,625        9.24      5.964        344      70.65          673
6.000 - 6.249                                    109    22,845,319        5.19      6.079        346      68.67          660
6.250 - 6.499                                    213    43,966,398        9.99      6.319        338      71.09          660
6.500 - 6.749                                    257    45,414,955       10.32      6.576        336      73.41          645
6.750 - 6.999                                    370    61,159,110       13.89      6.877        336      74.79          642
7.000 - 7.249                                    166    26,077,746        5.92      7.101        337      75.81          627
7.250 - 7.499                                    245    36,455,428        8.28      7.337        343      78.00          629
7.500 - 7.749                                    243    34,508,903        7.84      7.568        343      78.70          625
7.750 - 7.999                                    302    39,516,644        8.98      7.891        336      78.34          612
8.000 - 8.249                                    111    12,536,250        2.85      8.107        335      78.65          610
8.250 - 8.499                                    128    14,163,099        3.22      8.339        339      78.08          597
8.500 - 8.749                                    134    13,239,070        3.01      8.600        324      80.22          593
8.750 - 8.999                                    126    12,394,310        2.82      8.865        333      81.16          596
9.000 - 9.249                                     44     4,758,711        1.08      9.117        350      81.86          597
9.250 - 9.499                                     53     4,684,604        1.06      9.331        344      77.12          582
9.500 - 9.749                                     33     2,974,778        0.68      9.578        319      83.54          590
9.750 - 9.999                                     38     2,693,114        0.61      9.847        328      83.48          591
10.000 - 10.249                                   36     1,989,017        0.45     10.124        313      88.54          639
10.250 - 10.499                                   43     2,802,979        0.64     10.340        313      89.65          648
10.500 - 10.749                                   41     2,490,593        0.57     10.619        303      87.16          625
10.750 - 10.999                                   69     4,266,790        0.97     10.861        312      94.18          655
11.000 - 11.249                                   45     2,304,857        0.52     11.057        299      98.96          665
11.250 - 11.499                                   33     1,737,290        0.39     11.350        300      96.89          637
11.500 - 11.749                                   29     1,429,584        0.32     11.597        300      98.36          648
11.750 - 11.999                                   15     1,078,867        0.25     11.850        296      95.45          638
12.000 - 12.249                                    5       288,783        0.07     12.015        316      95.82          640
12.250 - 12.499                                    4       284,025        0.06     12.397        346      96.22          622
12.500 - 12.749                                    3       214,837        0.05     12.615        357      93.54          601
12.750 - 12.999                                    1       341,356        0.08     12.775        296      90.00          595
----------------------------------------------------------------------------------------------------------------------------
Total:                                         3,082   440,258,697      100.00      7.306        337      76.03          636
----------------------------------------------------------------------------------------------------------------------------
Minimum: 4.999
Maximum: 12.775
----------------------------------------------------------------------------------------------------------------------------

This information is being delivered to a specific number of prospective sophisticated investors in order to assist them in determining whether they have an interest in the type of security described herein. It has been prepared solely for information purposes and is not an offer to buy or sell or a solicitation of an offer to buy or sell any security or instrument or to participate in any trading strategy. This material is based on information that Morgan Stanley & Co. Incorporated ("Morgan Stanley") considers reliable. Morgan Stanley makes no representation or warranty with respect to the accuracy or completeness of the information, or with respect to the terms of any future offer of securities conforming to the terms hereof. Any such offer of securities would be made pursuant to a definitive Prospectus or Private Placement Memorandum, as the case may be, prepared by the issuer which could contain material information not contained herein and to which the prospective purchasers are referred. In the event of any such offering, this information shall be deemed superseded, amended and supplemented in its entirety by such Prospectus or Private Placement Memorandum. Such Prospectus or Private Placement Memorandum will contain all material information in respect of any securities offered thereby and any decision to invest in such securities should be made solely in reliance upon such Prospectus or Private Placement Memorandum. The information contained here in may be based on certain assumptions regarding market conditions and other matters and is therefore subject to change. We make no representations regarding the reasonableness of such assumptions or the likelihood that any of such assumptions will coincide with actual market conditions or events, and this material should not be relied on for such purposes. No representation is made that any returns indicated will be achieved. Changes to the assumptions may have a material impact on any returns detailed. Morgan Stanley disclaims any and all liability relating to this information, including without limitation any express or implied representations or warranties for, statements contained in, and omissions from the information contained here in. Additional information is available upon request. Morgan Stanley and others associated with it may have positions in, and may effect transaction in, securities and instruments of issuers mentioned herein and may also perform or seek to perform investment banking services for the issuers of such securities and instruments. Past performance is not necessarily indicative of future results. Price and availability are subject to change without notice. Information contained in this material is current as of the date appearing on this material only. Information in this material regarding any assets backing any securities discussed herein supercedes all prior information regarding such assets. Morgan Stanley is acting as the lead underwriter and not acting as agent for the issuer or its affiliates in connection with the proposed transaction. To our readers worldwide: In addition, please note that this publication has been issued by Morgan Stanley, approved by Morgan Stanley International Limited, a member of The Securities and Futures Authority, and by Morgan Stanley Japan Ltd. We recommend that such investors obtain the advice of their Morgan Stanley, Morgan Stanley International or Morgan Stanley Japan Ltd. representative about the investments concerned. NOT FOR DISTRIBUTION TO PRIVATE CUSTOMERS AS DEFINED BY THE U.K. SECURITIES AND FUTURES AUTHORITY.


This information is being delivered to a specific number of prospective sophisticated investors in order to assist them in determining whether they have an interest in the type of security described herein. It has been prepared solely for information purposes and is not an offer to buy or sell or a solicitation of an offer to buy or sell any security or instrument or to participate in any trading strategy. This material is based on information that Morgan Stanley & Co. Incorporated ("Morgan Stanley") considers reliable. Morgan Stanley makes no representation or warranty with respect to the accuracy or completeness of the information, or with respect to the terms of any future offer of securities conforming to the terms hereof. Any such offer of securities would be made pursuant to a definitive Prospectus or Private Placement Memorandum, as the case may be, prepared by the issuer which could contain material information not contained herein and to which the prospective purchasers are referred. In the event of any such offering, this information shall be deemed superseded, amended and supplemented in its entirety by such Prospectus or Private Placement Memorandum. Such Prospectus or Private Placement Memorandum will contain all material information in respect of any securities offered thereby and any decision to invest in such securities should be made solely in reliance upon such Prospectus or Private Placement Memorandum. The information contained here in may be based on certain assumptions regarding market conditions and other matters and is therefore subject to change. We make no representations regarding the reasonableness of such assumptions or the likelihood that any of such assumptions will coincide with actual market conditions or events, and this material should not be relied on for such purposes. No representation is made that any returns indicated will be achieved. Changes to the assumptions may have a material impact on any returns detailed. Morgan Stanley disclaims any and all liability relating to this information, including without limitation any express or implied representations or warranties for, statements contained in, and omissions from the information contained here in. Additional information is available upon request. Morgan Stanley and others associated with it may have positions in, and may effect transaction in, securities and instruments of issuers mentioned herein and may also perform or seek to perform investment banking services for the issuers of such securities and instruments. Past performance is not necessarily indicative of future results. Price and availability are subject to change without notice. Information contained in this material is current as of the date appearing on this material only. Information in this material regarding any assets backing any securities discussed herein supercedes all prior information regarding such assets. Morgan Stanley is acting as the lead underwriter and not acting as agent for the issuer or its affiliates in connection with the proposed transaction. To our readers worldwide: In addition, please note that this publication has been issued by Morgan Stanley, approved by Morgan Stanley International Limited, a member of The Securities and Futures Authority, and by Morgan Stanley Japan Ltd. We recommend that such investors obtain the advice of their Morgan Stanley, Morgan Stanley International or Morgan Stanley Japan Ltd. representative about the investments concerned. NOT FOR DISTRIBUTION TO PRIVATE CUSTOMERS AS DEFINED BY THE U.K. SECURITIES AND FUTURES AUTHORITY.


MORGAN STANLEY
MSAC 2004-HE9
Fixed Rate Loans

Table of Contents

1. Summary Statistics
2. Originator
3. Product Types
4. Range of Gross Interest Rates (%)
5. Range of Cut-off Date Principal Balances ($)
6. Stated Original Term (months)
7. Range of Stated Remaining Terms (months)
8. Range of Original Combined LTV Ratios (%)
9. Range of Gross Margins (%)
10. Range of Minimum Mortgage Rates (%)
11. Range of Maximum Mortgage Rates (%)
12. Initial Periodic Cap (%)
13. Subsequent Periodic Cap (%)
14. Next Rate Adjustment Dates
15. Geographic Distribution of Mortgaged Properties
16. Occupancy
17. Property Type
18. Loan Purpose
19. Documentation Level
20. Credit Score
21. Prepayment Penalty Term
22. Lien Position
23. Interest Only Term

1. Summary Statistics

Number of Mortgage Loans: 3,082
Aggregate Principal Balance ($): 440,258,697 Weighted Average Current Mortgage Rate (%): 7.306 Non-Zero Weighted Average Margin (%): 0.000 Non-Zero Weighted Average Maximum Rate (%): 0.000 Weighted Average Stated Original Term (months): 340 Weighted Average Stated Remaining Term (months): 337 Weighted Average Combined Original LTV (%): 76.03 % First Liens: 96.65
% Owner Occupied: 94.12
% Purchase: 19.22
% Full Doc: 63.80
Weighted Average Credit Score: 636

2. Originator

----------------------------------------------------------------------------------------------------------------------------
                                                                                   % of
                                                                                 Mortgage
                                                                                  Pool by
                                                                    Aggregate    Aggregate   Weighted   Weighted    Weighted
                                                         Number      Cut-off      Cut-off    Average     Average    Average
                                                           of         Date         Date       Gross     Remaining     Comb
                                                        Mortgage    Principal    Principal   Interest     Term      Original
Originator                                               Loans     Balance ($)    Balance    Rate (%)   (months)      LTV
----------------------------------------------------------------------------------------------------------------------------
Aames                                                        534    68,806,571       15.63      7.752         337      75.25
Accredited                                                   547    78,310,563       17.79      7.182         346      78.70
New Century                                                2,001   293,141,563       66.58      7.234         335      75.49
----------------------------------------------------------------------------------------------------------------------------
Total:                                                     3,082   440,258,697      100.00      7.306         337      76.03
----------------------------------------------------------------------------------------------------------------------------

3. Product Types

----------------------------------------------------------------------------------------------------------------------------
                                                                                   % of
                                                                                 Mortgage
                                                                                  Pool by
                                                                    Aggregate    Aggregate   Weighted   Weighted    Weighted
                                                         Number      Cut-off      Cut-off    Average     Average    Average
                                                           of         Date         Date       Gross     Remaining     Comb
                                                        Mortgage    Principal    Principal   Interest     Term      Original
Product Types                                            Loans     Balance ($)    Balance    Rate (%)   (months)      LTV
----------------------------------------------------------------------------------------------------------------------------
Fixed - 10 Year                                               21     1,429,838        0.32      7.720         117      71.84
Fixed - 15 Year                                              301    28,777,380        6.54      7.308         177      69.85
Fixed - 20 Year                                              317    24,436,427        5.55      8.214         237      78.97
Fixed - 25 Year                                               37     3,712,987        0.84      7.906         297      74.36
Fixed - 30 Year                                            2,355   369,519,358       83.93      7.271         357      76.21
Interest Only Fixed - 30 Year                                 51    12,382,706        2.81      6.301         356      80.10
----------------------------------------------------------------------------------------------------------------------------
Total:                                                     3,082   440,258,697      100.00      7.306         337      76.03
----------------------------------------------------------------------------------------------------------------------------

4. Range of Gross Interest Rates (%)

----------------------------------------------------------------------------------------------------------------------------
                                                                                   % of
                                                                                 Mortgage
                                                                                  Pool by
                                                                    Aggregate    Aggregate   Weighted   Weighted    Weighted
                                                         Number      Cut-off      Cut-off    Average     Average    Average
                                                           of         Date         Date       Gross     Remaining     Comb
                                                        Mortgage    Principal    Principal   Interest     Term      Original
Range of Gross Interest Rates (%)                        Loans     Balance ($)    Balance    Rate (%)   (months)      LTV
----------------------------------------------------------------------------------------------------------------------------
4.000 - 4.999                                                  1        60,158        0.01      4.999         354      81.89
5.000 - 5.999                                                185    43,581,122        9.90      5.930         343      70.13
6.000 - 6.999                                                949   173,385,782       39.38      6.551         338      72.68
7.000 - 7.999                                                956   136,558,721       31.02      7.510         340      77.86
8.000 - 8.999                                                499    52,332,730       11.89      8.474         333      79.49
9.000 - 9.999                                                168    15,111,207        3.43      9.404         338      81.01
10.000 - 10.999                                              189    11,549,379        2.62     10.556         311      90.59
11.000 - 11.999                                              122     6,550,597        1.49     11.383         299      97.70
12.000 - 12.999                                               13     1,129,001        0.26     12.455         325      93.73
----------------------------------------------------------------------------------------------------------------------------
Total:                                                     3,082   440,258,697      100.00      7.306         337      76.03
----------------------------------------------------------------------------------------------------------------------------
Minimum: 4.999
Maximum: 12.775
Weighted Average: 7.306
----------------------------------------------------------------------------------------------------------------------------

5. Range of Cut-off Date Principal Balances ($)

----------------------------------------------------------------------------------------------------------------------------
                                                                                   % of
                                                                                 Mortgage
                                                                                  Pool by
                                                                    Aggregate    Aggregate   Weighted   Weighted    Weighted
                                                         Number      Cut-off      Cut-off    Average     Average    Average
                                                           of         Date         Date       Gross     Remaining     Comb
                                                        Mortgage    Principal    Principal   Interest     Term      Original
Range of Cut-off Date Principal Balances ($)             Loans     Balance ($)    Balance    Rate (%)   (months)      LTV
----------------------------------------------------------------------------------------------------------------------------
1 - 25,000                                                    17       380,343        0.09     11.158         237     100.00
25,001 - 50,000                                              271    11,445,033        2.60      9.505         257      78.98
50,001 - 75,000                                              564    35,312,472        8.02      8.321         313      76.76
75,001 - 100,000                                             506    44,169,786       10.03      8.010         324      77.48
100,001 - 125,000                                            378    42,632,970        9.68      7.606         335      77.61
125,001 - 150,000                                            312    42,858,251        9.73      7.357         334      74.00
150,001 - 175,000                                            206    33,294,668        7.56      7.093         338      74.56
175,001 - 200,000                                            171    32,030,940        7.28      7.074         341      74.03
200,001 - 225,000                                            122    25,932,451        5.89      7.067         346      75.65
225,001 - 250,000                                            104    24,929,975        5.66      6.959         345      73.41
250,001 - 275,000                                             97    25,401,714        5.77      6.858         350      76.78
275,001 - 300,000                                             77    22,185,822        5.04      6.923         352      75.82
300,001 - 325,000                                             55    17,178,412        3.90      6.845         354      77.05
325,001 - 350,000                                             46    15,424,505        3.50      6.874         343      77.67
350,001 - 375,000                                             46    16,671,250        3.79      6.659         343      76.80
375,001 - 400,000                                             27    10,447,395        2.37      6.595         350      75.12
400,001 - 425,000                                             19     7,808,958        1.77      6.430         350      76.70
425,001 - 450,000                                             11     4,772,656        1.08      6.734         357      80.32
450,001 - 475,000                                             17     7,850,651        1.78      6.475         357      76.50
475,001 - 500,000                                             17     8,367,363        1.90      6.855         357      77.31
500,001 - 750,000                                             19    11,163,081        2.54      6.697         357      73.59
----------------------------------------------------------------------------------------------------------------------------
Total:                                                     3,082   440,258,697      100.00      7.306         337      76.03
----------------------------------------------------------------------------------------------------------------------------
Minimum: 19,914
Maximum: 678,146
Average: 142,848
----------------------------------------------------------------------------------------------------------------------------

6. Stated Original Term (months)

----------------------------------------------------------------------------------------------------------------------------
                                                                                   % of
                                                                                 Mortgage
                                                                                  Pool by
                                                                    Aggregate    Aggregate   Weighted   Weighted    Weighted
                                                         Number      Cut-off      Cut-off    Average     Average    Average
                                                           of         Date         Date       Gross     Remaining     Comb
                                                        Mortgage    Principal    Principal   Interest     Term      Original
Stated Original Term (months)                            Loans     Balance ($)    Balance    Rate (%)   (months)      LTV
----------------------------------------------------------------------------------------------------------------------------
120                                                           21     1,429,838        0.32      7.720         117      71.84
180                                                          301    28,777,380        6.54      7.308         177      69.85
240                                                          317    24,436,427        5.55      8.214         237      78.97
300                                                           37     3,712,987        0.84      7.906         297      74.36
360                                                        2,406   381,902,064       86.74      7.240         357      76.34
----------------------------------------------------------------------------------------------------------------------------
Total:                                                     3,082   440,258,697      100.00      7.306         337      76.03
----------------------------------------------------------------------------------------------------------------------------
Minimum: 120
Maximum: 360
Weighted Average: 340
----------------------------------------------------------------------------------------------------------------------------

7. Range of Stated Remaining Terms (months)

----------------------------------------------------------------------------------------------------------------------------
                                                                                   % of
                                                                                 Mortgage
                                                                                  Pool by
                                                                    Aggregate    Aggregate   Weighted   Weighted    Weighted
                                                         Number      Cut-off      Cut-off    Average     Average    Average
                                                           of         Date         Date       Gross     Remaining     Comb
                                                        Mortgage    Principal    Principal   Interest     Term      Original
Range of Stated Remaining Terms (months)                 Loans     Balance ($)    Balance    Rate (%)   (months)      LTV
----------------------------------------------------------------------------------------------------------------------------
109 - 120                                                     21     1,429,838        0.32      7.720         117      71.84
169 - 180                                                    301    28,777,380        6.54      7.308         177      69.85
229 - 240                                                    317    24,436,427        5.55      8.214         237      78.97
289 - 300                                                     37     3,712,987        0.84      7.906         297      74.36
349 - 360                                                  2,406   381,902,064       86.74      7.240         357      76.34
----------------------------------------------------------------------------------------------------------------------------
Total:                                                     3,082   440,258,697      100.00      7.306         337      76.03
----------------------------------------------------------------------------------------------------------------------------
Minimum: 116
Maximum: 358
Weighted Average: 337
----------------------------------------------------------------------------------------------------------------------------

8. Range of Original Combined LTV Ratios (%)

----------------------------------------------------------------------------------------------------------------------------
                                                                                   % of
                                                                                 Mortgage
                                                                                  Pool by
                                                                    Aggregate    Aggregate   Weighted   Weighted    Weighted
                                                         Number      Cut-off      Cut-off    Average     Average    Average
                                                           of         Date         Date       Gross     Remaining     Comb
                                                        Mortgage    Principal    Principal   Interest     Term      Original
Range of Original Combined LTV Ratios (%)                Loans     Balance ($)    Balance    Rate (%)   (months)      LTV
----------------------------------------------------------------------------------------------------------------------------
<= 10.00                                                       3       133,940        0.03      7.306         244       8.65
10.01 - 15.00                                                  2       123,721        0.03      7.206         227      12.27
15.01 - 20.00                                                  5       295,171        0.07      7.190         290      18.67
20.01 - 25.00                                                 16     1,286,866        0.29      7.208         321      23.71
25.01 - 30.00                                                 16     1,268,687        0.29      6.815         319      28.46
30.01 - 35.00                                                 23     2,421,705        0.55      6.889         321      32.20
35.01 - 40.00                                                 40     5,337,802        1.21      6.778         314      37.73
40.01 - 45.00                                                 49     5,860,399        1.33      6.751         321      42.51
45.01 - 50.00                                                 66     9,928,585        2.26      6.873         329      48.12
50.01 - 55.00                                                 92    13,665,444        3.10      6.796         327      52.83
55.01 - 60.00                                                100    14,411,825        3.27      6.877         324      57.96
60.01 - 65.00                                                171    28,096,406        6.38      6.773         338      63.20
65.01 - 70.00                                                223    35,041,764        7.96      6.937         326      68.35
70.01 - 75.00                                                312    50,012,942       11.36      7.069         338      73.71
75.01 - 80.00                                                919   136,912,211       31.10      7.239         344      79.50
80.01 - 85.00                                                336    54,038,413       12.27      7.297         343      84.32
85.01 - 90.00                                                341    51,844,666       11.78      7.604         338      89.42
90.01 - 95.00                                                 69    10,661,706        2.42      7.776         341      94.71
95.01 - 100.00                                               299    18,916,445        4.30     10.168         317      99.91
----------------------------------------------------------------------------------------------------------------------------
Total:                                                     3,082   440,258,697      100.00      7.306         337      76.03
----------------------------------------------------------------------------------------------------------------------------
Minimum: 6.09
Maximum: 100.00
Weighted Average: 76.03
----------------------------------------------------------------------------------------------------------------------------

9. Range of Gross Margins (%)

----------------------------------------------------------------------------------------------------------------------------
                                                                                   % of
                                                                                 Mortgage
                                                                                  Pool by
                                                                    Aggregate    Aggregate   Weighted   Weighted    Weighted
                                                         Number      Cut-off      Cut-off    Average     Average    Average
                                                           of         Date         Date       Gross     Remaining     Comb
                                                        Mortgage    Principal    Principal   Interest     Term      Original
Range of Gross Margins (%)                               Loans     Balance ($)    Balance    Rate (%)   (months)      LTV
----------------------------------------------------------------------------------------------------------------------------
Fixed Rate Loans                                           3,082   440,258,697      100.00      7.306         337      76.03
----------------------------------------------------------------------------------------------------------------------------
Total:                                                     3,082   440,258,697      100.00      7.306         337      76.03
----------------------------------------------------------------------------------------------------------------------------
Non-Zero Minimum: 0.000
Maximum: 0.000
Non-Zero Weighted Average: 0.000
----------------------------------------------------------------------------------------------------------------------------

10. Range of Minimum Mortgage Rates (%)

----------------------------------------------------------------------------------------------------------------------------
                                                                                   % of
                                                                                 Mortgage
                                                                                  Pool by
                                                                    Aggregate    Aggregate   Weighted   Weighted    Weighted
                                                         Number      Cut-off      Cut-off    Average     Average    Average
                                                           of         Date         Date       Gross     Remaining     Comb
                                                        Mortgage    Principal    Principal   Interest     Term      Original
Range of Minimum Mortgage Rates (%)                      Loans     Balance ($)    Balance    Rate (%)   (months)      LTV
----------------------------------------------------------------------------------------------------------------------------
Fixed Rate Loans                                           3,082   440,258,697      100.00      7.306         337      76.03
----------------------------------------------------------------------------------------------------------------------------
Total:                                                     3,082   440,258,697      100.00      7.306         337      76.03
----------------------------------------------------------------------------------------------------------------------------
Non-Zero Minimum: 0.000
Maximum: 0.000
Non-Zero Weighted Average: 0.000
----------------------------------------------------------------------------------------------------------------------------

11. Range of Maximum Mortgage Rates (%)

----------------------------------------------------------------------------------------------------------------------------
                                                                                   % of
                                                                                 Mortgage
                                                                                  Pool by
                                                                    Aggregate    Aggregate   Weighted   Weighted    Weighted
                                                         Number      Cut-off      Cut-off    Average     Average    Average
                                                           of         Date         Date       Gross     Remaining     Comb
                                                        Mortgage    Principal    Principal   Interest     Term      Original
Range of Maximum Mortgage Rates (%)                      Loans     Balance ($)    Balance    Rate (%)   (months)      LTV
----------------------------------------------------------------------------------------------------------------------------
Fixed Rate Loans                                           3,082   440,258,697      100.00      7.306         337      76.03
----------------------------------------------------------------------------------------------------------------------------
Total:                                                     3,082   440,258,697      100.00      7.306         337      76.03
----------------------------------------------------------------------------------------------------------------------------
Non-Zero Minimum: 0.000
Maximum: 0.000
Non-Zero Weighted Average: 0.000
----------------------------------------------------------------------------------------------------------------------------

12. Initial Periodic Cap (%)

----------------------------------------------------------------------------------------------------------------------------
                                                                                   % of
                                                                                 Mortgage
                                                                                  Pool by
                                                                    Aggregate    Aggregate   Weighted   Weighted    Weighted
                                                         Number      Cut-off      Cut-off    Average     Average    Average
                                                           of         Date         Date       Gross     Remaining     Comb
                                                        Mortgage    Principal    Principal   Interest     Term      Original
Initial Periodic Cap (%)                                 Loans     Balance ($)    Balance    Rate (%)   (months)      LTV
----------------------------------------------------------------------------------------------------------------------------
Fixed Rate Loans                                           3,082   440,258,697      100.00      7.306         337      76.03
----------------------------------------------------------------------------------------------------------------------------
Total:                                                     3,082   440,258,697      100.00      7.306         337      76.03
----------------------------------------------------------------------------------------------------------------------------
Non-Zero Minimum: 0.000
Maximum: 0.000
Non-Zero Weighted Average: 0.000
----------------------------------------------------------------------------------------------------------------------------

13. Subsequent Periodic Cap (%)

----------------------------------------------------------------------------------------------------------------------------
                                                                                   % of
                                                                                 Mortgage
                                                                                  Pool by
                                                                    Aggregate    Aggregate   Weighted   Weighted    Weighted
                                                         Number      Cut-off      Cut-off    Average     Average    Average
                                                           of         Date         Date       Gross     Remaining     Comb
                                                        Mortgage    Principal    Principal   Interest     Term      Original
Subsequent Periodic Cap (%)                              Loans     Balance ($)    Balance    Rate (%)   (months)      LTV
----------------------------------------------------------------------------------------------------------------------------
Fixed Rate Loans                                           3,082   440,258,697      100.00      7.306         337      76.03
----------------------------------------------------------------------------------------------------------------------------
Total:                                                     3,082   440,258,697      100.00      7.306         337      76.03
----------------------------------------------------------------------------------------------------------------------------
Non-Zero Minimum: 0.000
Maximum: 0.000
Non-Zero Weighted Average: 0.000
----------------------------------------------------------------------------------------------------------------------------

14. Next Rate Adjustment Dates

----------------------------------------------------------------------------------------------------------------------------
                                                                                   % of
                                                                                 Mortgage
                                                                                  Pool by
                                                                    Aggregate    Aggregate   Weighted   Weighted    Weighted
                                                         Number      Cut-off      Cut-off    Average     Average    Average
                                                           of         Date         Date       Gross     Remaining     Comb
                                                        Mortgage    Principal    Principal   Interest     Term      Original
Next Rate Adjustment Dates                               Loans     Balance ($)    Balance    Rate (%)   (months)      LTV
----------------------------------------------------------------------------------------------------------------------------
Fixed Rate Loans                                           3,082   440,258,697      100.00      7.306         337      76.03
----------------------------------------------------------------------------------------------------------------------------
Total:                                                     3,082   440,258,697      100.00      7.306         337      76.03
----------------------------------------------------------------------------------------------------------------------------

15. Geographic Distribution of Mortgaged Properties

----------------------------------------------------------------------------------------------------------------------------
                                                                                   % of
                                                                                 Mortgage
                                                                                  Pool by
                                                                    Aggregate    Aggregate   Weighted   Weighted    Weighted
                                                         Number      Cut-off      Cut-off    Average     Average    Average
                                                           of         Date         Date       Gross     Remaining     Comb
                                                        Mortgage    Principal    Principal   Interest     Term      Original
Geographic Distribution of Mortgaged Properties          Loans     Balance ($)    Balance    Rate (%)   (months)      LTV
----------------------------------------------------------------------------------------------------------------------------
California                                                   740   147,986,918       33.61      6.948         343      73.15
Florida                                                      441    55,283,053       12.56      7.503         342      78.47
New York                                                     221    46,520,554       10.57      7.085         347      73.87
Texas                                                        471    38,472,609        8.74      7.827         302      75.93
New Jersey                                                    68    12,367,581        2.81      7.418         338      76.63
Massachusetts                                                 60    10,273,034        2.33      6.882         348      68.64
Hawaii                                                        34     9,335,430        2.12      6.862         356      77.40
Pennsylvania                                                  77     8,461,447        1.92      7.765         328      82.52
Washington                                                    60     8,282,072        1.88      7.386         334      80.70
Virginia                                                      49     8,215,155        1.87      7.319         331      79.44
Nevada                                                        49     7,750,774        1.76      7.487         346      77.66
Ohio                                                          84     7,735,177        1.76      7.981         331      81.63
Maryland                                                      46     6,989,201        1.59      7.493         332      80.70
Arizona                                                       59     6,635,910        1.51      7.316         342      82.51
Connecticut                                                   40     6,613,620        1.50      7.118         341      76.08
Other                                                        583    59,336,162       13.48      7.776         328      79.35
----------------------------------------------------------------------------------------------------------------------------
Total:                                                     3,082   440,258,697      100.00      7.306         337      76.03
----------------------------------------------------------------------------------------------------------------------------
Number of States/District of Columbia Represented: 49
----------------------------------------------------------------------------------------------------------------------------

16. Occupancy

----------------------------------------------------------------------------------------------------------------------------
                                                                                   % of
                                                                                 Mortgage
                                                                                  Pool by
                                                                    Aggregate    Aggregate   Weighted   Weighted    Weighted
                                                         Number      Cut-off      Cut-off    Average     Average    Average
                                                           of         Date         Date       Gross     Remaining     Comb
                                                        Mortgage    Principal    Principal   Interest     Term      Original
Occupancy                                                Loans     Balance ($)    Balance    Rate (%)   (months)      LTV
----------------------------------------------------------------------------------------------------------------------------
Primary                                                    2,863   414,381,247       94.12      7.282         337      76.09
Investment                                                   212    24,774,624        5.63      7.699         346      75.48
Second Home                                                    7     1,102,826        0.25      7.392         333      65.75
----------------------------------------------------------------------------------------------------------------------------
Total:                                                     3,082   440,258,697      100.00      7.306         337      76.03
----------------------------------------------------------------------------------------------------------------------------

17. Property Type

----------------------------------------------------------------------------------------------------------------------------
                                                                                   % of
                                                                                 Mortgage
                                                                                  Pool by
                                                                    Aggregate    Aggregate   Weighted   Weighted    Weighted
                                                         Number      Cut-off      Cut-off    Average     Average    Average
                                                           of         Date         Date       Gross     Remaining     Comb
                                                        Mortgage    Principal    Principal   Interest     Term      Original
Property Type                                            Loans     Balance ($)    Balance    Rate (%)   (months)      LTV
----------------------------------------------------------------------------------------------------------------------------
Single Family Residence                                    2,471   342,779,660       77.86      7.323         336      76.03
2-4 Family                                                   222    43,855,832        9.96      7.239         346      74.62
Planned Unit Development                                     242    35,739,429        8.12      7.201         332      77.07
Condo                                                        147    17,883,777        4.06      7.352         343      77.24
----------------------------------------------------------------------------------------------------------------------------
Total:                                                     3,082   440,258,697      100.00      7.306         337      76.03
----------------------------------------------------------------------------------------------------------------------------

18. Loan Purpose

----------------------------------------------------------------------------------------------------------------------------
                                                                                   % of
                                                                                 Mortgage
                                                                                  Pool by
                                                                    Aggregate    Aggregate   Weighted   Weighted    Weighted
                                                         Number      Cut-off      Cut-off    Average     Average    Average
                                                           of         Date         Date       Gross     Remaining     Comb
                                                        Mortgage    Principal    Principal   Interest     Term      Original
Loan Purpose                                             Loans     Balance ($)    Balance    Rate (%)   (months)      LTV
----------------------------------------------------------------------------------------------------------------------------
Refinance - Cashout                                        2,172   327,719,525       74.44      7.160         336      74.08
Purchase                                                     692    84,599,697       19.22      7.895         347      83.65
Refinance - Rate Term                                        218    27,939,475        6.35      7.234         321      75.82
----------------------------------------------------------------------------------------------------------------------------
Total:                                                     3,082   440,258,697      100.00      7.306         337      76.03
----------------------------------------------------------------------------------------------------------------------------

19. Documentation Level

----------------------------------------------------------------------------------------------------------------------------
                                                                                   % of
                                                                                 Mortgage
                                                                                  Pool by
                                                                    Aggregate    Aggregate   Weighted   Weighted    Weighted
                                                         Number      Cut-off      Cut-off    Average     Average    Average
                                                           of         Date         Date       Gross     Remaining     Comb
                                                        Mortgage    Principal    Principal   Interest     Term      Original
Documentation Level                                      Loans     Balance ($)    Balance    Rate (%)   (months)      LTV
----------------------------------------------------------------------------------------------------------------------------
Full                                                       2,017   280,902,869       63.80      7.156         337      76.33
Stated Documentation                                         906   130,301,994       29.60      7.690         338      75.57
Limited                                                      159    29,053,833        6.60      7.032         336      75.12
----------------------------------------------------------------------------------------------------------------------------
Total:                                                     3,082   440,258,697      100.00      7.306         337      76.03
----------------------------------------------------------------------------------------------------------------------------

20. Credit Score

----------------------------------------------------------------------------------------------------------------------------
                                                                                   % of
                                                                                 Mortgage
                                                                                  Pool by
                                                                    Aggregate    Aggregate   Weighted   Weighted    Weighted
                                                         Number      Cut-off      Cut-off    Average     Average    Average
                                                           of         Date         Date       Gross     Remaining     Comb
                                                        Mortgage    Principal    Principal   Interest     Term      Original
Credit Score                                             Loans     Balance ($)    Balance    Rate (%)   (months)      LTV
----------------------------------------------------------------------------------------------------------------------------
500 - 524                                                     21     2,429,047        0.55      8.710         315      68.32
525 - 549                                                    231    25,158,393        5.71      8.365         328      72.52
550 - 574                                                    323    38,014,643        8.63      7.803         332      75.36
575 - 599                                                    366    50,018,573       11.36      7.631         333      74.98
600 - 624                                                    470    71,763,903       16.30      7.167         335      76.17
625 - 649                                                    567    81,498,595       18.51      7.260         339      76.80
650 - 674                                                    475    72,530,719       16.47      7.090         340      76.40
675 - 699                                                    300    44,711,994       10.16      7.059         341      77.26
700 - 724                                                    156    24,767,286        5.63      6.880         342      76.85
725 - 749                                                     80    12,835,947        2.92      6.813         341      78.54
750 - 774                                                     56     8,513,598        1.93      7.006         346      76.20
775 - 799                                                     36     7,956,173        1.81      6.619         341      73.23
800 +                                                          1        59,828        0.01      6.250         357      20.00
----------------------------------------------------------------------------------------------------------------------------
Total:                                                     3,082   440,258,697      100.00      7.306         337      76.03
----------------------------------------------------------------------------------------------------------------------------
Minimum: 519
Maximum: 807
Non-Zero Weighted Average: 636
----------------------------------------------------------------------------------------------------------------------------

21. Prepayment Penalty Term

----------------------------------------------------------------------------------------------------------------------------
                                                                                   % of
                                                                                 Mortgage
                                                                                  Pool by
                                                                    Aggregate    Aggregate   Weighted   Weighted    Weighted
                                                         Number      Cut-off      Cut-off    Average     Average    Average
                                                           of         Date         Date       Gross     Remaining     Comb
                                                        Mortgage    Principal    Principal   Interest     Term      Original
Prepayment Penalty Term                                  Loans     Balance ($)    Balance    Rate (%)   (months)      LTV
----------------------------------------------------------------------------------------------------------------------------
0                                                            646    60,882,870       13.83      8.022         312      77.21
6                                                              1        55,903        0.01      8.750         357      80.00
12                                                           224    46,523,366       10.57      7.112         347      73.71
24                                                           167    12,183,008        2.77      9.766         325      91.31
30                                                             1       159,166        0.04      7.990         356      80.00
36                                                         1,839   294,345,764       66.86      7.087         341      75.05
54                                                             1       200,454        0.05      7.990         356      84.81
60                                                           203    25,908,166        5.88      7.286         340      81.18
----------------------------------------------------------------------------------------------------------------------------
Total:                                                     3,082   440,258,697      100.00      7.306         337      76.03
----------------------------------------------------------------------------------------------------------------------------
Non-Zero Minimum: 6
Maximum: 60
Non-Zero Weighted Average: 34
----------------------------------------------------------------------------------------------------------------------------

22. Lien Position

----------------------------------------------------------------------------------------------------------------------------
                                                                                   % of
                                                                                 Mortgage
                                                                                  Pool by
                                                                    Aggregate    Aggregate   Weighted   Weighted    Weighted
                                                         Number      Cut-off      Cut-off    Average     Average    Average
                                                           of         Date         Date       Gross     Remaining     Comb
                                                        Mortgage    Principal    Principal   Interest     Term      Original
Position                                                 Loans     Balance ($)    Balance    Rate (%)   (months)      LTV
----------------------------------------------------------------------------------------------------------------------------
1st Lien                                                   2,815   425,515,685       96.65      7.182         338      75.20
2nd Lien                                                     267    14,743,011        3.35     10.883         308      99.96
----------------------------------------------------------------------------------------------------------------------------
Total:                                                     3,082   440,258,697      100.00      7.306         337      76.03
----------------------------------------------------------------------------------------------------------------------------

23. Interest Only Term

----------------------------------------------------------------------------------------------------------------------------
                                                                                   % of
                                                                                 Mortgage
                                                                                  Pool by
                                                                    Aggregate    Aggregate   Weighted   Weighted    Weighted
                                                         Number      Cut-off      Cut-off    Average     Average    Average
                                                           of         Date         Date       Gross     Remaining     Comb
                                                        Mortgage    Principal    Principal   Interest     Term      Original
Interest Only Term                                       Loans     Balance ($)    Balance    Rate (%)   (months)      LTV
----------------------------------------------------------------------------------------------------------------------------
0                                                          3,031   427,875,991       97.19      7.335         337      75.91
60                                                            51    12,382,706        2.81      6.301         356      80.10
----------------------------------------------------------------------------------------------------------------------------
Total:                                                     3,082   440,258,697      100.00      7.306         337      76.03
----------------------------------------------------------------------------------------------------------------------------


This information is being delivered to a specific number of prospective sophisticated investors in order to assist them in determining whether they have an interest in the type of security described herein. It has been prepared solely for information purposes and is not an offer to buy or sell or a solicitation of an offer to buy or sell any security or instrument or to participate in any trading strategy. This material is based on information that Morgan Stanley & Co. Incorporated ("Morgan Stanley") considers reliable. Morgan Stanley makes no representation or warranty with respect to the accuracy or completeness of the information, or with respect to the terms of any future offer of securities conforming to the terms hereof. Any such offer of securities would be made pursuant to a definitive Prospectus or Private Placement Memorandum, as the case may be, prepared by the issuer which could contain material information not contained herein and to which the prospective purchasers are referred. In the event of any such offering, this information shall be deemed superseded, amended and supplemented in its entirety by such Prospectus or Private Placement Memorandum. Such Prospectus or Private Placement Memorandum will contain all material information in respect of any securities offered thereby and any decision to invest in such securities should be made solely in reliance upon such Prospectus or Private Placement Memorandum. The information contained here in may be based on certain assumptions regarding market conditions and other matters and is therefore subject to change. We make no representations regarding the reasonableness of such assumptions or the likelihood that any of such assumptions will coincide with actual market conditions or events, and this material should not be relied on for such purposes. No representation is made that any returns indicated will be achieved. Changes to the assumptions may have a material impact on any returns detailed. Morgan Stanley disclaims any and all liability relating to this information, including without limitation any express or implied representations or warranties for, statements contained in, and omissions from the information contained here in. Additional information is available upon request. Morgan Stanley and others associated with it may have positions in, and may effect transaction in, securities and instruments of issuers mentioned herein and may also perform or seek to perform investment banking services for the issuers of such securities and instruments. Past performance is not necessarily indicative of future results. Price and availability are subject to change without notice. Information contained in this material is current as of the date appearing on this material only. Information in this material regarding any assets backing any securities discussed herein supercedes all prior information regarding such assets. Morgan Stanley is acting as the lead underwriter and not acting as agent for the issuer or its affiliates in connection with the proposed transaction. To our readers worldwide: In addition, please note that this publication has been issued by Morgan Stanley, approved by Morgan Stanley International Limited, a member of The Securities and Futures Authority, and by Morgan Stanley Japan Ltd. We recommend that such investors obtain the advice of their Morgan Stanley, Morgan Stanley International or Morgan Stanley Japan Ltd. representative about the investments concerned. NOT FOR DISTRIBUTION TO PRIVATE CUSTOMERS AS DEFINED BY THE U.K. SECURITIES AND FUTURES AUTHORITY.


MORGAN STANLEY
MSAC 2004-HE9
Interest Only Loans

Table of Contents

1. Credit Score
2. Range of Combined Original LTV Ratios (%)
3. Documentation Level
4. Occupancy
5. Range of Cut-off Date Principal Balances ($)
6. % Purchase Loans
7. % Silent Seconds
8. Product Types
9. Interest Only Term

1. Credit Score

----------------------------------------------------------------------------------------------------------------------------------
                                                                             % of
                                                                           Mortgage
                                                                            Pool by
                                                                           Aggregate   Aggregate  Weighted   Weighted    Weighted
                                                   Number      Cut-off      Cut-off    Average    Average    Average     Weighted
                                                     of         Date         Date       Gross     Remaining  Combined    Average
                                                  Mortgage    Principal    Principal   Interest     Term     Original      FICO
Credit Score                                       Loans     Balance ($)    Balance    Rate (%)   (months)     LTV        Score
----------------------------------------------------------------------------------------------------------------------------------
575 - 599                                               23     5,307,833        2.68      6.683        357      80.39          592
600 - 624                                              227    56,737,661       28.67      6.538        356      82.04          613
625 - 649                                              145    37,161,417       18.78      6.773        357      82.29          637
650 - 674                                              147    36,132,050       18.26      6.557        355      81.54          662
675 - 699                                              104    27,553,548       13.92      6.500        352      82.25          686
700 - 724                                               56    14,775,746        7.47      5.797        334      81.90          711
725 - 749                                               39     9,610,877        4.86      6.141        340      81.61          737
750 - 774                                               22     5,348,412        2.70      5.919        339      83.68          761
775 - 799                                               13     4,386,714        2.22      5.782        326      83.30          785
800 +                                                    2       875,200        0.44      6.044        357      80.00          811
----------------------------------------------------------------------------------------------------------------------------------
Total:                                                 778   197,889,459      100.00      6.474        352      82.01          658
----------------------------------------------------------------------------------------------------------------------------------
Minimum: 581
Maximum: 813
Non-Zero Weighted Average: 658
----------------------------------------------------------------------------------------------------------------------------------

2. Range of Combined Original LTV Ratios (%)

----------------------------------------------------------------------------------------------------------------------------------
                                                                             % of
                                                                           Mortgage
                                                                            Pool by
                                                                           Aggregate   Aggregate  Weighted   Weighted    Weighted
                                                   Number      Cut-off      Cut-off    Average    Average    Average     Weighted
                                                     of         Date         Date       Gross     Remaining  Combined    Average
                                                  Mortgage    Principal    Principal   Interest     Term     Original      FICO
Range of Combined Original LTV Ratios (%)          Loans     Balance ($)    Balance    Rate (%)   (months)     LTV        Score
----------------------------------------------------------------------------------------------------------------------------------
40.01 - 45.00                                            2       365,000        0.18      5.679        320      42.94          660
45.01 - 50.00                                            3       560,000        0.28      5.903        357      46.69          649
50.01 - 55.00                                            2       595,800        0.30      6.149        357      50.15          652
55.01 - 60.00                                            4     1,346,000        0.68      6.458        357      57.98          624
60.01 - 65.00                                           12     3,196,385        1.62      5.682        335      62.53          666
65.01 - 70.00                                           16     4,730,516        2.39      6.048        352      68.62          626
70.01 - 75.00                                           25     7,358,561        3.72      6.065        352      73.68          650
75.01 - 80.00                                          473   109,786,228       55.48      6.410        354      79.88          661
80.01 - 85.00                                           72    22,653,831       11.45      6.039        339      84.32          663
85.01 - 90.00                                          108    31,582,271       15.96      6.873        352      89.58          653
90.01 - 95.00                                           47    12,762,173        6.45      7.275        357      94.72          653
95.01 - 100.00                                          14     2,952,693        1.49      7.285        356      99.83          662
----------------------------------------------------------------------------------------------------------------------------------
Total:                                                 778   197,889,459      100.00      6.474        352      82.01          658
----------------------------------------------------------------------------------------------------------------------------------
Minimum: 42.42
Maximum: 100.00
Weighted Average: 82.01
----------------------------------------------------------------------------------------------------------------------------------

3. Documentation Level

----------------------------------------------------------------------------------------------------------------------------------
                                                                             % of
                                                                           Mortgage
                                                                            Pool by
                                                                           Aggregate   Aggregate  Weighted   Weighted    Weighted
                                                   Number      Cut-off      Cut-off    Average    Average    Average     Weighted
                                                     of         Date         Date       Gross     Remaining  Combined    Average
                                                  Mortgage    Principal    Principal   Interest     Term     Original      FICO
Documentation Level                                Loans     Balance ($)    Balance    Rate (%)   (months)     LTV        Score
----------------------------------------------------------------------------------------------------------------------------------
Full                                                   450   110,466,777       55.82      6.228        353      82.23          646
Stated Documentation                                   287    76,889,564       38.85      6.856        350      81.87          675
Limited                                                 41    10,533,117        5.32      6.257        356      80.74          654
----------------------------------------------------------------------------------------------------------------------------------
Total:                                                 778   197,889,459      100.00      6.474        352      82.01          658
----------------------------------------------------------------------------------------------------------------------------------

4. Occupancy

----------------------------------------------------------------------------------------------------------------------------------
                                                                             % of
                                                                           Mortgage
                                                                            Pool by
                                                                           Aggregate   Aggregate  Weighted   Weighted    Weighted
                                                   Number      Cut-off      Cut-off    Average    Average    Average     Weighted
                                                     of         Date         Date       Gross     Remaining  Combined    Average
                                                  Mortgage    Principal    Principal   Interest     Term     Original      FICO
Occupancy                                          Loans     Balance ($)    Balance    Rate (%)   (months)     LTV        Score
----------------------------------------------------------------------------------------------------------------------------------
Primary                                                773   196,133,675       99.11      6.477        352      81.99          658
Second Home                                              5     1,755,784        0.89      6.177        344      84.00          658
----------------------------------------------------------------------------------------------------------------------------------
Total:                                                 778   197,889,459      100.00      6.474        352      82.01          658
----------------------------------------------------------------------------------------------------------------------------------

5. Range of Cut-off Date Principal Balances ($)

----------------------------------------------------------------------------------------------------------------------------------
                                                                             % of
                                                                           Mortgage
                                                                            Pool by
                                                                           Aggregate   Aggregate  Weighted   Weighted    Weighted
                                                   Number      Cut-off      Cut-off    Average    Average    Average     Weighted
                                                     of         Date         Date       Gross     Remaining  Combined    Average
                                                  Mortgage    Principal    Principal   Interest     Term     Original      FICO
Range of Cut-off Date Principal Balances ($)       Loans     Balance ($)    Balance    Rate (%)   (months)     LTV        Score
----------------------------------------------------------------------------------------------------------------------------------
50,001 - 75,000                                          1        70,400        0.04      7.750        357      80.00          650
75,001 - 100,000                                        27     2,462,830        1.24      6.975        357      80.06          660
100,001 - 125,000                                       53     6,018,616        3.04      6.803        356      81.40          657
125,001 - 150,000                                       83    11,464,109        5.79      6.688        355      81.67          650
150,001 - 175,000                                       72    11,724,713        5.92      6.681        356      82.08          653
175,001 - 200,000                                       67    12,568,469        6.35      6.680        353      80.98          654
200,001 - 225,000                                       59    12,672,572        6.40      6.633        351      80.91          657
225,001 - 250,000                                       58    13,777,120        6.96      6.544        352      81.63          662
250,001 - 275,000                                       62    16,358,010        8.27      6.479        354      81.03          649
275,001 - 300,000                                       60    17,242,322        8.71      6.212        350      81.94          661
300,001 - 325,000                                       35    11,043,986        5.58      6.668        355      84.15          656
325,001 - 350,000                                       40    13,523,968        6.83      6.215        351      80.36          658
350,001 - 375,000                                       38    13,786,577        6.97      6.321        350      82.91          653
375,001 - 400,000                                       43    16,670,299        8.42      6.261        351      82.65          663
400,001 - 425,000                                       19     7,863,748        3.97      6.286        344      81.29          665
425,001 - 450,000                                       12     5,272,837        2.66      6.777        352      84.38          648
450,001 - 475,000                                       14     6,500,001        3.28      6.416        353      85.36          660
475,001 - 500,000                                       22    10,853,131        5.48      6.313        351      83.59          678
500,001 - 750,000                                       13     8,015,750        4.05      6.435        352      80.98          663
----------------------------------------------------------------------------------------------------------------------------------
Total:                                                 778   197,889,459      100.00      6.474        352      82.01          658
----------------------------------------------------------------------------------------------------------------------------------
Minimum: 70,400
Maximum: 750,000
Average: 254,357
----------------------------------------------------------------------------------------------------------------------------------

6. % Purchase Loans

----------------------------------------------------------------------------------------------------------------------------------
                                                                             % of
                                                                           Mortgage
                                                                            Pool by
                                                                           Aggregate   Aggregate  Weighted   Weighted    Weighted
                                                   Number      Cut-off      Cut-off    Average    Average    Average     Weighted
                                                     of         Date         Date       Gross     Remaining  Combined    Average
                                                  Mortgage    Principal    Principal   Interest     Term     Original      FICO
% Purchase Loans                                   Loans     Balance ($)    Balance    Rate (%)   (months)     LTV        Score
----------------------------------------------------------------------------------------------------------------------------------
Purchase                                               457   113,873,861       57.54      6.504        352      82.29          667
Refinance - Rate Term                                   38     7,631,145        3.86      6.307        350      81.07          657
Refinance - Cashout                                    283    76,384,453       38.60      6.446        352      81.69          644
----------------------------------------------------------------------------------------------------------------------------------
Total:                                                 778   197,889,459      100.00      6.474        352      82.01          658
----------------------------------------------------------------------------------------------------------------------------------

7. % Silent Seconds

% Silent Seconds: 48.71

8. Product Types

----------------------------------------------------------------------------------------------------------------------------------
                                                                             % of
                                                                           Mortgage
                                                                            Pool by
                                                                           Aggregate   Aggregate  Weighted   Weighted    Weighted
                                                   Number      Cut-off      Cut-off    Average    Average    Average     Weighted
                                                     of         Date         Date       Gross     Remaining  Combined    Average
                                                  Mortgage    Principal    Principal   Interest     Term     Original      FICO
Product Types                                      Loans     Balance ($)    Balance    Rate (%)   (months)     LTV        Score
----------------------------------------------------------------------------------------------------------------------------------
ARM - 2 Year IO/6 Month                                544   140,786,605       71.14      6.648        357      82.04          651
ARM - 3 Year IO/6 Month                                127    28,471,176       14.39      6.588        356      83.36          649
ARM - 5 Year IO/6 Month                                  4       688,800        0.35      6.824        357      78.03          634
ARM - 10 Year IO/1 Month                                52    15,560,172        7.86      4.816        297      81.03          725
Interest Only Fixed - 30 Year                           51    12,382,706        6.26      6.301        356      80.10          671
----------------------------------------------------------------------------------------------------------------------------------
Total:                                                 778   197,889,459      100.00      6.474        352      82.01          658
----------------------------------------------------------------------------------------------------------------------------------

9. Interest Only Term

----------------------------------------------------------------------------------------------------------------------------------
                                                                             % of
                                                                           Mortgage
                                                                            Pool by
                                                                           Aggregate   Aggregate  Weighted   Weighted    Weighted
                                                   Number      Cut-off      Cut-off    Average    Average    Average     Weighted
                                                     of         Date         Date       Gross     Remaining  Combined    Average
                                                  Mortgage    Principal    Principal   Interest     Term     Original      FICO
Interest Only Term                                 Loans     Balance ($)    Balance    Rate (%)   (months)     LTV        Score
----------------------------------------------------------------------------------------------------------------------------------
24                                                     398   105,747,096       53.44      6.664        357      82.65          653
36                                                      57    14,162,966        7.16      6.444        357      82.47          647
60                                                     271    62,419,224       31.54      6.572        357      81.08          652
120                                                     52    15,560,172        7.86      4.816        297      81.03          725
----------------------------------------------------------------------------------------------------------------------------------
Total:                                                 778   197,889,459      100.00      6.474        352      82.01          658
----------------------------------------------------------------------------------------------------------------------------------


This information is being delivered to a specific number of prospective sophisticated investors in order to assist them in determining whether they have an interest in the type of security described herein. It has been prepared solely for information purposes and is not an offer to buy or sell or a solicitation of an offer to buy or sell any security or instrument or to participate in any trading strategy. This material is based on information that Morgan Stanley & Co. Incorporated ("Morgan Stanley") considers reliable. Morgan Stanley makes no representation or warranty with respect to the accuracy or completeness of the information, or with respect to the terms of any future offer of securities conforming to the terms hereof. Any such offer of securities would be made pursuant to a definitive Prospectus or Private Placement Memorandum, as the case may be, prepared by the issuer which could contain material information not contained herein and to which the prospective purchasers are referred. In the event of any such offering, this information shall be deemed superseded, amended and supplemented in its entirety by such Prospectus or Private Placement Memorandum. Such Prospectus or Private Placement Memorandum will contain all material information in respect of any securities offered thereby and any decision to invest in such securities should be made solely in reliance upon such Prospectus or Private Placement Memorandum. The information contained here in may be based on certain assumptions regarding market conditions and other matters and is therefore subject to change. We make no representations regarding the reasonableness of such assumptions or the likelihood that any of such assumptions will coincide with actual market conditions or events, and this material should not be relied on for such purposes. No representation is made that any returns indicated will be achieved. Changes to the assumptions may have a material impact on any returns detailed. Morgan Stanley disclaims any and all liability relating to this information, including without limitation any express or implied representations or warranties for, statements contained in, and omissions from the information contained here in. Additional information is available upon request. Morgan Stanley and others associated with it may have positions in, and may effect transaction in, securities and instruments of issuers mentioned herein and may also perform or seek to perform investment banking services for the issuers of such securities and instruments. Past performance is not necessarily indicative of future results. Price and availability are subject to change without notice. Information contained in this material is current as of the date appearing on this material only. Information in this material regarding any assets backing any securities discussed herein supercedes all prior information regarding such assets. Morgan Stanley is acting as the lead underwriter and not acting as agent for the issuer or its affiliates in connection with the proposed transaction. To our readers worldwide: In addition, please note that this publication has been issued by Morgan Stanley, approved by Morgan Stanley International Limited, a member of The Securities and Futures Authority, and by Morgan Stanley Japan Ltd. We recommend that such investors obtain the advice of their Morgan Stanley, Morgan Stanley International or Morgan Stanley Japan Ltd. representative about the investments concerned. NOT FOR DISTRIBUTION TO PRIVATE CUSTOMERS AS DEFINED BY THE U.K. SECURITIES AND FUTURES AUTHORITY.


Collateral Analysis

                                       Wtd Avg         Percent of      Wtd Avg          Wtd Avg   Wtd Avg   Wtd Avg
FICO Low        FICO High   LTV    Current Balance   Current Balance    GWAC     % MI    FICO       DTI       LTV     % SFD
--------        ---------   ---    ---------------   ---------------    ----     ----    ----       ---       ---     -----
     500              524   > 65%       147,727.22              4.19      8.45      0       513     41.97      77.6   83.41
     525              549   > 65%       151,811.24              7.63     8.142      0       537     41.47     79.83   83.64
     550              574   > 65%       158,073.97             10.23      7.75      0       562     40.75     83.12   83.06
     575              599   > 70%       163,938.23             10.33     7.466      0       587     40.89      83.6   81.52
     600              624   > 70%       186,116.41             14.44     7.028      0       612     41.31     83.94   78.29
     625              649   > 70%       179,753.30             14.78     7.165      0       637     41.49     84.26   72.63
     650              674   > 80%       170,877.34              4.11     7.427      0       661     41.57     90.09   71.82
     675              699   > 80%       168,236.04              2.67      7.34      0       686     39.22     90.38   70.54
     700              724   > 80%       183,233.20              1.55     7.028      0       712     39.42     90.43    67.5
     725              749   > 85%       161,967.65              0.62     7.377      0       737     38.94     92.53   69.82
     750              774   > 85%       163,668.44              0.37     7.808      0       763     36.48     93.62   73.02
     775              799   > 85%       174,745.26              0.16     6.639      0       785     39.06     90.95   61.55
     800 max                > 85%             0.00                 0         0      0         0         0         0       0


FICO Low        % PUD   % Owner Occ   % Full Doc   % Ltd Doc   % Stated Doc   % Int Only
--------        -----   -----------   ----------   ---------   ------------   ----------
     500         9.28            99        76.17        4.74          19.09            0
     525         7.29         97.41        72.64        3.35          24.01            0
     550         8.02         96.94        70.32        4.21          25.47            0
     575         8.59         96.45        65.79        4.84          29.37         2.57
     600        10.77         95.18        64.81        3.59          31.61        21.07
     625          9.7         92.85        41.25        5.79          52.96        13.73
     650         8.06         87.62         48.1        3.13          48.77        14.04
     675        11.15         80.38        44.06         5.6          50.34        18.35
     700        10.78         85.22        32.95        4.93          62.13        23.35
     725         9.18          71.3        46.36         2.5          51.14         7.77
     750        12.33         81.65         34.3         1.4          64.31        24.73
     775        22.71         90.45        40.91           0          59.09        54.43
     800 max        0             0            0           0              0            0

                                       Wtd Avg         Percent of      Wtd Avg          Wtd Avg   Wtd Avg   Wtd Avg
LTV Low        LTV High     DTI    Current Balance   Current Balance    GWAC     % MI    FICO       DTI       LTV     % SFD
-------        ---------    ----   ---------------   ---------------    ----     ----    ----       ---       ---     -----
    60%               64%   > 50%       172,912.09              0.35     6.978   0.00       603     52.71     62.55   60.06
    65%               69%   > 50%       202,539.09              0.66     7.005   0.00       592     52.85     67.67   84.34
    70%               74%   > 50%       171,685.85              0.61     6.967   0.00       592     52.54     72.49   74.26
    75%               79%   > 50%       178,442.44              0.63     7.508   0.00       579     53.15     76.22   80.84
    80%               84%   > 50%       172,078.07              1.10     7.282   0.00       595     52.49     80.92   85.18
    85%               89%   > 50%       171,531.90              0.48     7.653   0.00       593     53.12     85.59   87.32
    90%               94%   > 50%       180,476.85              0.24     7.767   0.00       600     51.50     90.05   54.27
    95%               99%   > 50%       146,792.49              0.03     9.314   0.00       573     51.53     95.00  100.00
   100% max                 > 50%       181,113.87              0.02     8.173   0.00       627     53.40    100.00    6.33


LTV Low        % PUD   % Owner Occ   % Full Doc   % Ltd Doc   % Stated Doc   % Int Only
-------        -----   -----------   ----------   ---------   ------------   ----------
    60%        11.33         90.71        62.06       11.98          25.96         0.00
    65%         4.61         96.87        79.82        1.52          18.66         0.00
    70%         9.72         93.41        73.56        5.82          20.62         0.00
    75%        13.00         92.68        88.38        4.74           6.88         3.19
    80%         6.10         95.74        84.58        8.07           7.35         3.16
    85%         4.73         87.29        93.13        0.00           6.87         0.00
    90%         3.46         92.47        80.93        0.00          19.07         0.00
    95%         0.00        100.00       100.00        0.00           0.00         0.00
   100% max    93.67        100.00       100.00        0.00           0.00         0.00

                                       Wtd Avg         Percent of      Wtd Avg          Wtd Avg   Wtd Avg   Wtd Avg
DTI Low        DTI High     FICO   Current Balance   Current Balance    GWAC     % MI    FICO       DTI       LTV     % SFD
-------        ----------   ----   ---------------   ---------------    ----     ----    ----       ---       ---     -----
    20%               24%   < 525        81,040.95              0.08     8.703      0       516     22.44     69.18   73.66
    25%               29%   < 550       109,198.69              0.78     8.269      0       528     27.52     72.54    88.1
    30%               34%   < 575       135,894.60              2.95     7.985      0       542     32.43     76.05   84.03
    35%               39%   < 600       148,056.43              5.61     7.805      0       558     37.51     77.38   83.89
    40%               44%   < 625       172,498.40             12.23     7.604      0       577     42.55     79.62      79
    45%               49%   < 650       185,549.42             23.21       7.4      0       591     47.71     81.33   78.47
    50%               54%   < 675       180,329.85              6.03       7.3      0       589     51.73     75.48   83.27
    55% max                 < 700       194,573.89              0.37     7.584      0       569     55.47     75.35   86.38


DTI Low        % PUD   % Owner Occ   % Full Doc   % Ltd Doc   % Stated Doc   % Int Only
-------        -----   -----------   ----------   ---------   ------------   ----------
    20%         7.61           100        77.38        4.31          18.31            0
    25%         4.05         96.63        82.19        1.34          16.47            0
    30%         6.81         96.55        77.56        1.05          21.39            0
    35%         6.05         97.39        65.76        3.24             31         0.63
    40%         9.41         96.74        57.56        2.93          39.51         6.41
    45%         9.05         95.42        61.14        4.94          33.92        11.57
    50%         5.66         96.38         75.1        4.23          20.67         0.46
    55% max        0         85.92        98.28           0           1.72         2.45

LIMITED AND STATED DOC

                                    Wtd Avg         Percent of      Wtd Avg          Wtd Avg   Wtd Avg   Wtd Avg
    FICO Low        FICO High   Current Balance   Current Balance    GWAC     % MI    FICO       DTI       LTV     % SFD   % PUD
    --------        ---------   ---------------   ---------------    ----     ----    ----       ---       ---     -----   -----
         500              524        164,481.74              1.28     8.856      0       513     41.58     71.84   81.61    7.13
         525              549        170,354.49              2.60     8.467      0       537     41.12     74.06   79.46    4.45
         550              574        174,979.91              3.64     7.811      0       563     40.05     75.61   80.59    7.27
         575              599        182,392.10              4.68     7.706      0       587     40.96     77.67   78.83    9.47
         600              624        198,398.17              6.25     7.376      0       613     40.47     79.30   78.54    7.96
         625              649        191,479.62              9.59     7.310      0       638     41.41     81.81   72.42    8.71
         650              674        182,974.54              7.23     7.272      0       661     40.94     80.36   72.34    9.26
         675              699        184,895.01              4.70     7.170      0       686     40.45     80.35   69.93   10.06
         700              724        193,648.44              2.71     6.898      0       711     40.29     80.80   67.89   10.96
         725              749        191,467.51              1.26     7.029      0       738     39.76     82.13   70.54    9.76
         750              774        201,048.34              0.64     7.337      0       761     40.75     83.12   60.21   11.01
         775              799        245,003.25              0.44     6.804      0       785     38.35     78.98   53.31   16.15
         800 max                     224,211.22              0.04     6.541      0       810     37.49     74.66  100.00    0.00


    FICO Low        % Owner Occ   % Full Doc   % Ltd Doc   % Stated Doc   % Int Only   % CA    % NY   % FL
    --------        -----------   ----------   ---------   ------------   ----------   -----   ----   -----
         500              96.57            0       19.18          80.82         0.00   34.91   9.50   13.83
         525              97.86            0       10.76          89.24         0.00   39.72   3.41   14.98
         550              95.49            0       13.16          86.84         0.00   44.35   6.45   13.53
         575              95.07            0       13.63          86.37         0.00   36.61   7.74   13.72
         600              94.14            0       11.09          88.91        12.02   37.23   8.31   13.38
         625              93.73            0       10.24          89.76        10.36   35.65   6.31   13.13
         650              92.18            0        6.51          93.49        15.05   39.79   8.06   11.51
         675              88.12            0        8.21          91.79        20.49   42.05   6.42   10.54
         700              89.71            0        8.84          91.16        25.19   52.64   4.93    8.11
         725              89.08            0        2.58          97.42        24.78   51.18   2.84    7.65
         750              83.33            0        0.81          99.19        20.31   47.05  15.52    2.87
         775              88.74            0        0.00         100.00        32.71   64.18   5.07    1.34
         800 max         100.00            0        0.00         100.00        71.24    8.89   0.00   19.86

IO LOANS

                                    Wtd Avg         Percent of      Wtd Avg          Wtd Avg   Wtd Avg   Wtd Avg
    FICO Low        FICO High   Current Balance   Current Balance    GWAC     % MI    FICO       DTI       LTV     % SFD    % PUD
    --------        ---------   ---------------   ---------------    ----     ----    ----       ---       ---     -----    -----
         500              524
         525              549
         550              574              0.00              0.00     0.000   0.00         0      0.00      0.00     0.00    0.00
         575              599        230,775.34              0.31     6.683   0.00       592     40.02     80.39    80.72   12.95
         600              624        249,945.64              3.31     6.538   0.00       613     41.92     82.04    72.06   15.36
         625              649        256,285.64              2.17     6.773   0.00       637     42.55     82.29    70.92   17.65
         650              674        245,796.26              2.11     6.557   0.00       662     42.15     81.54    67.49   12.98
         675              699        264,937.96              1.61     6.500   0.00       686     41.69     82.25    65.27   19.69
         700              724        263,852.61              0.86     5.797   0.00       711     39.63     81.90    78.55    9.48
         725              749        246,432.74              0.56     6.141   0.00       737     41.43     81.61    81.65    7.99
         750              774        243,109.66              0.31     5.919   0.00       761     42.55     83.68    75.66   12.36
         775              799        337,439.56              0.26     5.782   0.00       785     36.89     83.30    73.67   14.47
         800 max                     437,600.00              0.05     6.044   0.00       811     42.30     80.00   100.00    0.00


    FICO Low        % Owner Occ   % Full Doc   % Ltd Doc   % Stated Doc   % Int Only   % CA    % NY    % FL
    --------        -----------   ----------   ---------   ------------   ----------   ----    ----    ----
         500
         525
         550               0.00         0.00        0.00           0.00         0.00    0.00    0.00    0.00
         575             100.00       100.00        0.00           0.00       100.00   45.56   14.13    4.67
         600              98.68        77.27        3.46          19.27       100.00   61.04    1.85    4.67
         625              99.24        54.07        8.71          37.21       100.00   51.28    3.10    5.75
         650             100.00        48.34        6.33          45.33       100.00   59.97    3.21    3.12
         675              98.68        40.06        7.14          52.81       100.00   57.80    1.85    3.85
         700             100.00        20.78        7.31          71.91       100.00   76.18    0.00    1.87
         725              96.29        44.21        0.00          55.79       100.00   68.02    2.25    2.28
         750             100.00        58.00        0.00          42.00       100.00   63.67    0.00    2.54
         775             100.00        43.37        0.00          56.63       100.00   81.86    0.00    0.00
         800 max         100.00        45.25        0.00          54.75       100.00   45.25    0.00    0.00


This information is being delivered to a specific number of prospective sophisticated investors in order to assist them in determining whether they have an interest in the type of security described herein. It has been prepared solely for information purposes and is not an offer to buy or sell or a solicitation of an offer to buy or sell any security or instrument or to participate in any trading strategy. This material is based on information that Morgan Stanley & Co. Incorporated ("Morgan Stanley") considers reliable. Morgan Stanley makes no representation or warranty with respect to the accuracy or completeness of the information, or with respect to the terms of any future offer of securities conforming to the terms hereof. Any such offer of securities would be made pursuant to a definitive Prospectus or Private Placement Memorandum, as the case may be, prepared by the issuer which could contain material information not contained herein and to which the prospective purchasers are referred. In the event of any such offering, this information shall be deemed superseded, amended and supplemented in its entirety by such Prospectus or Private Placement Memorandum. Such Prospectus or Private Placement Memorandum will contain all material information in respect of any securities offered thereby and any decision to invest in such securities should be made solely in reliance upon such Prospectus or Private Placement Memorandum. The information contained here in may be based on certain assumptions regarding market conditions and other matters and is therefore subject to change. We make no representations regarding the reasonableness of such assumptions or the likelihood that any of such assumptions will coincide with actual market conditions or events, and this material should not be relied on for such purposes. No representation is made that any returns indicated will be achieved. Changes to the assumptions may have a material impact on any returns detailed. Morgan Stanley disclaims any and all liability relating to this information, including without limitation any express or implied representations or warranties for, statements contained in, and omissions from the information contained here in. Additional information is available upon request. Morgan Stanley and others associated with it may have positions in, and may effect transaction in, securities and instruments of issuers mentioned herein and may also perform or seek to perform investment banking services for the issuers of such securities and instruments. Past performance is not necessarily indicative of future results. Price and availability are subject to change without notice. Information contained in this material is current as of the date appearing on this material only. Information in this material regarding any assets backing any securities discussed herein supercedes all prior information regarding such assets. Morgan Stanley is acting as the lead underwriter and not acting as agent for the issuer or its affiliates in connection with the proposed transaction. To our readers worldwide: In addition, please note that this publication has been issued by Morgan Stanley, approved by Morgan Stanley International Limited, a member of The Securities and Futures Authority, and by Morgan Stanley Japan Ltd. We recommend that such investors obtain the advice of their Morgan Stanley, Morgan Stanley International or Morgan Stanley Japan Ltd. representative about the investments concerned. NOT FOR DISTRIBUTION TO PRIVATE CUSTOMERS AS DEFINED BY THE U.K. SECURITIES AND FUTURES AUTHORITY.


MORGAN STANLEY
MSAC 2004-HE9
All records

1. FICO Spreadsheet Request

-----------------------------------------------------------------------------------------------------------------------------------
                                                                                                                 Master &  Sched
                                                              % of          Gross    Gross    Gross     Gross    Sub Serv   Rem
FICO Spreadsheet Request     Count         Balance           Balance        Rate     Margin  Lifecap   Lifefloor  Fees     Term
-----------------------------------------------------------------------------------------------------------------------------------
500 - 500                         11         1,911,581              0.11     8.519   6.072    14.519     8.519      0.52     357
501 - 510                        203        29,636,801              1.73     8.417   6.138    14.935     8.417      0.52     357
511 - 520                        264        39,300,675              2.29     8.461   6.108    15.100     8.471      0.52     356
521 - 530                        353        50,292,926              2.93     8.267   6.011    14.895     8.212      0.52     353
531 - 540                        446        67,768,684              3.95     8.113   5.907    14.754     8.094      0.52     352
541 - 550                        411        60,486,982              3.52     8.015   5.952    14.618     7.927      0.52     351
551 - 560                        542        81,245,909              4.73     7.716   5.776    14.371     7.703      0.52     353
561 - 570                        510        82,297,329              4.80     7.642   5.739    14.188     7.597      0.52     353
571 - 580                        472        76,321,680              4.45     7.652   5.742    14.306     7.639      0.52     350
581 - 590                        558        90,398,983              5.27     7.390   5.689    13.949     7.317      0.52     352
591 - 600                        547        91,317,907              5.32     7.251   5.666    13.869     7.163      0.52     350
601 - 610                        603       108,298,847              6.31     7.008   5.585    13.690     6.963      0.52     352
611 - 620                        620       114,267,211              6.66     6.943   5.550    13.648     6.873      0.52     350
621 - 630                        671       120,793,495              7.04     7.054   5.566    13.670     6.974      0.52     352
631 - 640                        631       112,711,817              6.57     7.099   5.614    13.734     7.045      0.52     352
641 - 650                        649       114,355,027              6.66     7.098   5.558    13.755     7.034      0.52     350
651 - 660                        546        98,038,193              5.71     6.998   5.561    13.677     7.001      0.52     351
661 - 670                        435        77,707,253              4.53     7.043   5.525    13.566     6.921      0.52     352
671 - 680                        332        58,277,865              3.40     6.897   5.479    13.602     6.879      0.52     349
681 - 690                        284        55,143,817              3.21     6.910   5.487    13.557     6.861      0.52     350
691 - 700                        235        40,089,940              2.34     7.013   5.503    13.696     6.928      0.52     350
701 - 710                        165        31,613,647              1.84     6.665   5.306    13.514     6.597      0.52     348
711 - 720                        159        29,883,067              1.74     6.795   5.244    13.483     6.689      0.52     349
721 - 730                         98        17,887,056              1.04     6.711   5.267    13.342     6.611      0.52     347
731 - 740                         83        14,834,158              0.86     6.714   5.171    13.468     6.636      0.52     345
741 - 750                         68        13,596,005              0.79     6.866   5.393    13.729     6.926      0.52     345
751 - 760                         53         9,997,219              0.58     6.726   4.924    13.414     6.573      0.52     348
761 - 770                         40         8,225,978              0.48     6.849   5.287    13.552     6.638      0.52     348
771 - 780                         38         8,534,885              0.50     6.646   5.130    13.410     6.594      0.52     346
781 - 790                         29         5,898,360              0.34     6.460   4.791    13.158     6.145      0.52     334
791 - 800                         15         3,926,945              0.23     6.253   4.542    12.937     6.223      0.52     343
801 - 810                          4           702,647              0.04     5.510   5.387    12.265     5.441      0.52     357
811 - 820                          1           479,200              0.03     6.700   5.550    13.700     6.700      0.52     357
-----------------------------------------------------------------------------------------------------------------------------------
Total:                         10076     1,716,242,088            100.00     7.289   5.652    13.976     7.282      0.52     351
-----------------------------------------------------------------------------------------------------------------------------------


-----------------------------------------------------------------------------------------------------------------------------------
                                                                             Month
                            Rem       Orig        Initial     Periodic      to Next       Provided    Known       Avg       LTV>80w
FICO Spreadsheet Request   Amort      Term          Cap          Cap          Adj           LTV       FICOs      Balance       MI
-----------------------------------------------------------------------------------------------------------------------------------
500 - 500                    357           360        3.000       1.000         21           68.12     500       173,780       0
501 - 510                    357           360        2.229       1.264         22           73.28     506       145,994       0
511 - 520                    356           359        2.063       1.320         23           74.60     515       148,866       0
521 - 530                    353           356        1.975       1.342         22           75.40     526       142,473       0
531 - 540                    352           356        2.003       1.333         22           75.30     536       151,948       0
541 - 550                    351           354        1.957       1.345         22           77.12     545       147,170       0
551 - 560                    353           356        1.999       1.334         22           79.39     556       149,900       0
561 - 570                    353           356        2.116       1.300         22           79.31     566       161,367       0
571 - 580                    350           353        1.997       1.331         22           79.40     575       161,698       0
581 - 590                    352           355        2.056       1.321         22           79.40     585       162,005       0
591 - 600                    350           353        1.946       1.358         23           79.85     596       166,943       0
601 - 610                    352           356        1.910       1.367         23           79.69     605       179,600       0
611 - 620                    350           354        1.839       1.390         23           81.26     616       184,302       0
621 - 630                    352           355        1.952       1.350         23           81.06     625       180,020       0
631 - 640                    352           355        1.976       1.358         24           81.34     636       178,624       0
641 - 650                    350           353        1.923       1.365         24           81.78     645       176,202       0
651 - 660                    351           354        1.979       1.344         23           79.77     655       179,557       0
661 - 670                    351           355        2.038       1.368         23           80.93     665       178,637       0
671 - 680                    349           353        1.925       1.385         23           79.31     675       175,536       0
681 - 690                    350           353        2.024       1.417         22           81.39     685       194,168       0
691 - 700                    350           354        1.898       1.425         23           81.79     695       170,595       0
701 - 710                    348           351        1.820       1.582         20           79.75     705       191,598       0
711 - 720                    349           352        2.051       1.573         20           81.38     715       187,944       0
721 - 730                    347           350        2.035       1.468         23           81.22     725       182,521       0
731 - 740                    345           348        2.140       1.653         19           80.54     736       178,725       0
741 - 750                    345           348        1.995       1.541         20           83.09     746       199,941       0
751 - 760                    348           351        2.036       1.625         19           80.87     756       188,627       0
761 - 770                    348           351        1.811       1.595         20           79.36     765       205,649       0
771 - 780                    346           349        2.165       1.712         20           79.71     776       224,602       0
781 - 790                    334           337        2.199       1.919         15           79.18     785       203,392       0
791 - 800                    343           347        2.520       1.757         15           71.02     795       261,796       0
801 - 810                    357           360        1.764       1.412         21           74.89     806       175,662       0
811 - 820                    357           360        1.500       1.500         21           80.00     813       479,200       0
-----------------------------------------------------------------------------------------------------------------------------------
Total:                       351           354        1.983       1.368         23           79.67     617       170,330       0
-----------------------------------------------------------------------------------------------------------------------------------


This information is being delivered to a specific number of prospective sophisticated investors in order to assist them in determining whether they have an interest in the type of security described herein. It has been prepared solely for information purposes and is not an offer to buy or sell or a solicitation of an offer to buy or sell any security or instrument or to participate in any trading strategy. This material is based on information that Morgan Stanley & Co. Incorporated ("Morgan Stanley") considers reliable. Morgan Stanley makes no representation or warranty with respect to the accuracy or completeness of the information, or with respect to the terms of any future offer of securities conforming to the terms hereof. Any such offer of securities would be made pursuant to a definitive Prospectus or Private Placement Memorandum, as the case may be, prepared by the issuer which could contain material information not contained herein and to which the prospective purchasers are referred. In the event of any such offering, this information shall be deemed superseded, amended and supplemented in its entirety by such Prospectus or Private Placement Memorandum. Such Prospectus or Private Placement Memorandum will contain all material information in respect of any securities offered thereby and any decision to invest in such securities should be made solely in reliance upon such Prospectus or Private Placement Memorandum. The information contained here in may be based on certain assumptions regarding market conditions and other matters and is therefore subject to change. We make no representations regarding the reasonableness of such assumptions or the likelihood that any of such assumptions will coincide with actual market conditions or events, and this material should not be relied on for such purposes. No representation is made that any returns indicated will be achieved. Changes to the assumptions may have a material impact on any returns detailed. Morgan Stanley disclaims any and all liability relating to this information, including without limitation any express or implied representations or warranties for, statements contained in, and omissions from the information contained here in. Additional information is available upon request. Morgan Stanley and others associated with it may have positions in, and may effect transaction in, securities and instruments of issuers mentioned herein and may also perform or seek to perform investment banking services for the issuers of such securities and instruments. Past performance is not necessarily indicative of future results. Price and availability are subject to change without notice. Information contained in this material is current as of the date appearing on this material only. Information in this material regarding any assets backing any securities discussed herein supercedes all prior information regarding such assets. Morgan Stanley is acting as the lead underwriter and not acting as agent for the issuer or its affiliates in connection with the proposed transaction. To our readers worldwide: In addition, please note that this publication has been issued by Morgan Stanley, approved by Morgan Stanley International Limited, a member of The Securities and Futures Authority, and by Morgan Stanley Japan Ltd. We recommend that such investors obtain the advice of their Morgan Stanley, Morgan Stanley International or Morgan Stanley Japan Ltd. representative about the investments concerned. NOT FOR DISTRIBUTION TO PRIVATE CUSTOMERS AS DEFINED BY THE U.K. SECURITIES AND FUTURES AUTHORITY.


MORGAN STANLEY
MSAC 2004-HE9
All records

Table of Contents

1. Range of Gross Interest Rates (%)
2. Lien Position
3. Range of Cut-off Date Principal Balances ($)
4. Range of Original Combined LTV Ratios (%)
5. Range of Current Combined LTV Ratios (%)
6. Range of Credit Scores
7. Documentation Level
8. Loan Purpose
9. Occupancy Type
10. Property Type
11. Geographic Distribution of Mortgaged Properties
12. Range of Remaining Terms (Months)
13. Product Types
14. Subsequent Periodic Cap (%)
15. Range of Maximum Loan Rates (%)
16. Range of Gross Margins (%)

1. Range of Gross Interest Rates (%)

-------------------------------------------------------------------------------------------------------------------------------
                                                                                     % of
                                                                                   Mortgage
                                                                     Aggregate      Pool by    Weighted               Weighted
                                                                      Cut-off      Aggregate   Average    Weighted    Average
                                                         Number        Date         Cut-off     Gross      Average    Original
                                                           of        Principal       Date      Interest   Remaining   Combined
                                                        Mortgage      Balance      Principal     Rate       Term        LTV
Range of Gross Interest Rates (%)                        Loans          ($)         Balance      (%)      (Months)      (%)
-------------------------------------------------------------------------------------------------------------------------------
4.000 - 4.999                                                 49      14,685,425        0.86      4.717         305      80.57
5.000 - 5.999                                                692     167,065,588        9.73      5.759         352      75.48
6.000 - 6.999                                              2,943     584,316,900       34.05      6.587         351      77.77
7.000 - 7.999                                              3,468     589,533,110       34.35      7.525         353      81.13
8.000 - 8.999                                              1,942     270,200,388       15.74      8.484         352      82.10
9.000 - 9.999                                                520      58,421,671        3.40      9.444         352      81.05
10.000 - 10.999                                              281      20,729,915        1.21     10.521         331      83.82
11.000 - 11.999                                              157       9,416,624        0.55     11.396         315      90.73
12.000 - 12.999                                               23       1,823,488        0.11     12.425         337      86.70
13.000 - 13.999                                                1          48,978        0.00     13.055         358      70.00
-------------------------------------------------------------------------------------------------------------------------------
Total:                                                    10,076   1,716,242,088      100.00      7.289         351      79.67
-------------------------------------------------------------------------------------------------------------------------------
Minimum: 4.125
Maximum: 13.055
Weighted Average: 7.289
-------------------------------------------------------------------------------------------------------------------------------


----------------------------------------------------------------------------------------------------
                                                        Non-Zero
                                                        Weighted
                                                        Average     Pct     Pct      Pct    Weighted
                                                          FICO     Full    Owner    Fixed   Average
Range of Gross Interest Rates (%)                        Score      Doc     Occ     Rate      DTI
----------------------------------------------------------------------------------------------------
4.000 - 4.999                                                729   44.21    97.57    0.41      42.11
5.000 - 5.999                                                649   75.36    97.15   26.09      40.72
6.000 - 6.999                                                635   59.37    96.27   29.67      40.91
7.000 - 7.999                                                610    48.9    92.42   23.16      41.11
8.000 - 8.999                                                584   47.65    90.84   19.37      40.33
9.000 - 9.999                                                564   52.98    91.35   25.87      40.54
10.000 - 10.999                                              600   51.25    93.76   55.71      40.27
11.000 - 11.999                                              613   44.21    95.06   69.56      41.26
12.000 - 12.999                                              580   38.54    91.99   61.91      41.61
13.000 - 13.999                                              542       0      100       0         49
----------------------------------------------------------------------------------------------------
Total:                                                       617   54.93    93.98   25.65      40.86
----------------------------------------------------------------------------------------------------
Minimum: 4.125
Maximum: 13.055
Weighted Average: 7.289
----------------------------------------------------------------------------------------------------

2. Lien Position

-------------------------------------------------------------------------------------------------------------------------------
                                                                                     % of
                                                                                   Mortgage
                                                                     Aggregate      Pool by    Weighted               Weighted
                                                                      Cut-off      Aggregate   Average    Weighted    Average
                                                         Number        Date         Cut-off     Gross      Average    Original
                                                           of        Principal       Date      Interest   Remaining   Combined
                                                        Mortgage      Balance      Principal     Rate       Term        LTV
Lien Position                                            Loans          ($)         Balance      (%)      (Months)      (%)
-------------------------------------------------------------------------------------------------------------------------------
1st Lien                                                   9,809   1,701,499,076       99.14      7.258         352      79.50
2nd Lien                                                     267      14,743,011        0.86     10.883         308      99.96
-------------------------------------------------------------------------------------------------------------------------------
Total:                                                    10,076   1,716,242,088      100.00      7.289         351      79.67
-------------------------------------------------------------------------------------------------------------------------------


----------------------------------------------------------------------------------------------------
                                                        Non-Zero
                                                        Weighted
                                                        Average     Pct     Pct     Pct    Weighted
                                                          FICO     Full    Owner   Fixed   Average
Lien Position                                            Score      Doc     Occ    Rate      DTI
----------------------------------------------------------------------------------------------------
1st Lien                                                     617   55.09   93.93   25.01      40.85
2nd Lien                                                     677   36.51     100     100      42.62
----------------------------------------------------------------------------------------------------
Total:                                                       617   54.93   93.98   25.65      40.86
----------------------------------------------------------------------------------------------------

3. Range of Cut-off Date Principal Balances ($)

-------------------------------------------------------------------------------------------------------------------------------
                                                                                     % of
                                                                                   Mortgage
                                                                     Aggregate      Pool by    Weighted               Weighted
                                                                      Cut-off      Aggregate   Average    Weighted    Average
                                                         Number        Date         Cut-off     Gross      Average    Original
                                                           of        Principal       Date      Interest   Remaining   Combined
                                                        Mortgage      Balance      Principal     Rate       Term        LTV
Range of Cut-off Date Principal Balances ($)             Loans          ($)         Balance      (%)      (Months)      (%)
-------------------------------------------------------------------------------------------------------------------------------
0.01 - 25,000.00                                              17         380,343        0.02     11.158         237     100.00
25,000.01 - 50,000.00                                        354      15,166,131        0.88      9.448         281      77.82
50,000.01 - 75,000.00                                      1,152      72,856,195        4.25      8.349         335      78.06
75,000.01 - 100,000.00                                     1,399     123,113,859        7.17      7.845         345      79.04
100,000.01 - 125,000.00                                    1,301     146,384,195        8.53      7.603         351      79.51
125,000.01 - 150,000.00                                    1,163     160,311,104        9.34      7.439         351      78.93
150,000.01 - 175,000.00                                      865     140,342,689        8.18       7.31         352      78.84
175,000.01 - 200,000.00                                      765     143,743,571        8.38      7.303         353      78.46
200,000.01 - 225,000.00                                      620     132,097,924        7.70      7.309         354      79.27
225,000.01 - 250,000.00                                      442     105,300,911        6.14      7.165         353      78.55
250,000.01 - 275,000.00                                      445     116,513,070        6.79      7.037         355      80.14
275,000.01 - 300,000.00                                      354     101,669,799        5.92      6.936         355      80.16
300,000.01 - 325,000.00                                      255      79,582,558        4.64      7.116         356      81.55
325,000.01 - 350,000.00                                      231      77,881,539        4.54      6.911         353      80.67
350,000.01 - 375,000.00                                      202      73,167,050        4.26      6.905         352      81.91
375,000.01 - 400,000.00                                      157      60,902,195        3.55      6.753         354      81.58
400,000.01 - 425,000.00                                       91      37,563,143        2.19      6.876         353      81.18
425,000.01 - 450,000.00                                       68      29,756,083        1.73      6.917         356      82.35
450,000.01 - 475,000.00                                       60      27,765,239        1.62      6.632         356      81.70
475,000.01 - 500,000.00                                       79      38,884,297        2.27      6.984         355      81.02
500,000.01 - 525,000.00                                        9       4,620,333        0.27      6.835         357      78.32
525,000.01 - 550,000.00                                        8       4,314,439        0.25      7.417         357      82.25
550,000.01 - 575,000.00                                       12       6,727,450        0.39       6.49         352      83.62
575,000.01 - 600,000.00                                       11       6,539,627        0.38      6.597         357      74.54
600,000.01 >=                                                 16      10,658,344        0.62      6.567         357      76.42
-------------------------------------------------------------------------------------------------------------------------------
Total:                                                    10,076   1,716,242,088      100.00      7.289         351      79.67
-------------------------------------------------------------------------------------------------------------------------------
Minimum: 19,914
Maximum: 750,000
Average: 170,330
-------------------------------------------------------------------------------------------------------------------------------


----------------------------------------------------------------------------------------------------
                                                        Non-Zero
                                                        Weighted
                                                        Average     Pct     Pct     Pct    Weighted
                                                          FICO     Full    Owner   Fixed   Average
Range of Cut-off Date Principal Balances ($)             Score      Doc     Occ    Rate      DTI
----------------------------------------------------------------------------------------------------
0.01 - 25,000.00                                             657   64.17     100     100      41.36
25,000.01 - 50,000.00                                        615   64.82   89.29   75.46      37.41
50,000.01 - 75,000.00                                        602   70.64   87.02   48.47      36.73
75,000.01 - 100,000.00                                       607   64.18   92.48   35.88      38.31
100,000.01 - 125,000.00                                      608   62.25   94.17   29.12      39.62
125,000.01 - 150,000.00                                      611   61.05   93.72   26.73      40.52
150,000.01 - 175,000.00                                      614   56.52   94.06   23.72      40.48
175,000.01 - 200,000.00                                      607   56.68   96.32   22.28      40.61
200,000.01 - 225,000.00                                      609   51.03   95.65   19.63      41.36
225,000.01 - 250,000.00                                      617   51.98   95.47   23.67      41.65
250,000.01 - 275,000.00                                      617   58.23   93.97    21.8      41.29
275,000.01 - 300,000.00                                      624   49.99   93.52   21.82      41.22
300,000.01 - 325,000.00                                      621   42.85   94.85   21.59      43.92
325,000.01 - 350,000.00                                      628   44.24   94.43   19.81      42.35
350,000.01 - 375,000.00                                      631   47.98   94.06   22.79      42.82
375,000.01 - 400,000.00                                      641      47   94.93   17.15      42.19
400,000.01 - 425,000.00                                      630   54.78   94.46   20.79      43.57
425,000.01 - 450,000.00                                      627   53.03    92.6   16.04      40.58
450,000.01 - 475,000.00                                      653   46.58   91.58   28.28       43.7
475,000.01 - 500,000.00                                      637   43.09    92.4   21.52      41.45
500,000.01 - 525,000.00                                      662   33.28   88.98   22.24       38.8
525,000.01 - 550,000.00                                      600   24.73     100   37.41      41.44
550,000.01 - 575,000.00                                      667   41.73     100   16.83      43.38
575,000.01 - 600,000.00                                      641    36.4     100   63.75      39.82
600,000.01 >=                                                664   50.94   93.96   30.21      39.14
----------------------------------------------------------------------------------------------------
Total:                                                       617   54.93   93.98   25.65      40.86
----------------------------------------------------------------------------------------------------
Minimum: 19,914
Maximum: 750,000
Average: 170,330
----------------------------------------------------------------------------------------------------

4. Range of Original Combined LTV Ratios (%)

-------------------------------------------------------------------------------------------------------------------------------
                                                                                     % of
                                                                                   Mortgage
                                                                     Aggregate      Pool by    Weighted               Weighted
                                                                      Cut-off      Aggregate   Average    Weighted    Average
                                                         Number        Date         Cut-off     Gross      Average    Original
                                                           of        Principal       Date      Interest   Remaining   Combined
                                                        Mortgage      Balance      Principal     Rate       Term        LTV
(%)                                                      Loans          ($)         Balance      (%)      (Months)      (%)
-------------------------------------------------------------------------------------------------------------------------------
<= 30.00                                                      61       5,310,961        0.31      7.143         330      24.24
30.01 - 40.00                                                102      12,091,372        0.70      7.004         331      35.75
40.01 - 50.00                                                215      30,276,450        1.76      7.045         340      46.03
50.01 - 60.00                                                380      59,211,002        3.45      6.996         342      55.47
60.01 - 70.00                                                992     167,455,349        9.76      7.137         347      66.47
70.01 - 80.00                                              4,504     772,614,728       45.02      7.131         353      78.65
80.01 - 90.00                                              2,856     534,409,729       31.14      7.412         353      87.21
90.01 - 100.00                                               966     134,872,495        7.86      8.105         350      96.32
-------------------------------------------------------------------------------------------------------------------------------
Total:                                                    10,076   1,716,242,088      100.00      7.289         351      79.67
-------------------------------------------------------------------------------------------------------------------------------
Minimum: 6.09
Maximum: 100.00
Weighted Average: 79.67
-------------------------------------------------------------------------------------------------------------------------------


----------------------------------------------------------------------------------------------------
                                                        Non-Zero
                                                        Weighted
                                                        Average     Pct     Pct     Pct    Weighted
                                                          FICO     Full    Owner   Fixed   Average
(%)                                                      Score      Doc     Occ    Rate      DTI
----------------------------------------------------------------------------------------------------
<= 30.00                                                     618   57.85   95.96   58.53      35.48
30.01 - 40.00                                                609   57.07   89.27   64.17      35.52
40.01 - 50.00                                                607   47.79   94.33   52.15       38.7
50.01 - 60.00                                                600   59.28   95.32   47.42       39.4
60.01 - 70.00                                                600   52.71    92.4    37.7       39.8
70.01 - 80.00                                                622   52.47   95.17   24.19      41.33
80.01 - 90.00                                                614   55.84    91.2   19.81      40.84
90.01 - 100.00                                               637   67.53   99.78   21.93      41.43
----------------------------------------------------------------------------------------------------
Total:                                                       617   54.93   93.98   25.65      40.86
----------------------------------------------------------------------------------------------------
Minimum: 6.09
Maximum: 100.00
Weighted Average: 79.67
----------------------------------------------------------------------------------------------------

5. Range of Current Combined LTV Ratios (%)

-------------------------------------------------------------------------------------------------------------------------------
                                                                                     % of
                                                                                   Mortgage
                                                                     Aggregate      Pool by    Weighted               Weighted
                                                                      Cut-off      Aggregate   Average    Weighted    Average
                                                         Number        Date         Cut-off     Gross      Average    Original
                                                           of        Principal       Date      Interest   Remaining   Combined
                                                        Mortgage      Balance      Principal     Rate       Term        LTV
(%)                                                      Loans          ($)         Balance      (%)      (Months)      (%)
-------------------------------------------------------------------------------------------------------------------------------
<= 30.00                                                      61       5,310,961        0.31      7.143         330      24.24
30.01 - 40.00                                                104      12,375,920        0.72       6.96         330      36.60
40.01 - 50.00                                                216      30,468,187        1.78      7.048         339      46.07
50.01 - 60.00                                                386      59,952,491        3.49      6.992         342      55.56
60.01 - 70.00                                                989     166,917,146        9.73      7.138         347      66.51
70.01 - 80.00                                              4,502     772,895,052       45.03      7.131         353      78.66
80.01 - 90.00                                              2,852     533,449,835       31.08      7.414         353      87.22
90.01 - 100.00                                               966     134,872,495        7.86      8.105         350      96.32
-------------------------------------------------------------------------------------------------------------------------------
Total:                                                    10,076   1,716,242,088      100.00      7.289         351      79.67
-------------------------------------------------------------------------------------------------------------------------------
Minimum: 6.09
Maximum: 100.00
Weighted Average: 79.48
-------------------------------------------------------------------------------------------------------------------------------


----------------------------------------------------------------------------------------------------
                                                        Non-Zero
                                                        Weighted
                                                        Average     Pct     Pct     Pct    Weighted
                                                          FICO     Full    Owner   Fixed   Average
(%)                                                      Score      Doc     Occ    Rate      DTI
----------------------------------------------------------------------------------------------------
<= 30.00                                                     618   57.85   95.96   58.53      35.48
30.01 - 40.00                                                613   58.06   89.51   63.12      35.77
40.01 - 50.00                                                607   47.72   94.36   52.45       38.6
50.01 - 60.00                                                599   59.98    95.1   47.05      39.52
60.01 - 70.00                                                600   52.48   92.48   37.87      39.76
70.01 - 80.00                                                622   52.48    95.1   24.14      41.32
80.01 - 90.00                                                614   55.81   91.31   19.83      40.86
90.01 - 100.00                                               637   67.53   99.78   21.93      41.43
----------------------------------------------------------------------------------------------------
Total:                                                       617   54.93   93.98   25.65      40.86
----------------------------------------------------------------------------------------------------
Minimum: 6.09
Maximum: 100.00
Weighted Average: 79.48
----------------------------------------------------------------------------------------------------

6. Range of Credit Scores

-------------------------------------------------------------------------------------------------------------------------------
                                                                                     % of
                                                                                   Mortgage
                                                                     Aggregate      Pool by    Weighted               Weighted
                                                                      Cut-off      Aggregate   Average    Weighted    Average
                                                         Number        Date         Cut-off     Gross      Average    Original
                                                           of        Principal       Date      Interest   Remaining   Combined
                                                        Mortgage      Balance      Principal     Rate       Term        LTV
Range of Credit Scores                                   Loans          ($)         Balance      (%)      (Months)      (%)
-------------------------------------------------------------------------------------------------------------------------------
500 - 525                                                    625      91,344,655        5.32      8.408         355      73.86
526 - 550                                                  1,063     158,052,994        9.21      8.102         352      76.22
551 - 575                                                  1,295     201,674,305       11.75      7.685         352      79.30
576 - 600                                                  1,334     219,907,503       12.81      7.368         351      79.64
601 - 625                                                  1,579     289,115,204       16.85      6.978         352      80.69
626 - 650                                                  1,595     281,311,192       16.39      7.105         351      81.40
651 - 675                                                  1,153     205,925,233       12.00      6.996         351      80.26
676 - 700                                                    679     123,331,835        7.19      6.948         350      80.85
701 - 725                                                    376      70,744,312        4.12      6.734         347      80.75
726 - 750                                                    197      37,069,621        2.16      6.753         347      81.41
751 - 775                                                    114      22,358,289        1.30      6.799         349      80.29
776 - 800                                                     61      14,225,097        0.83      6.394         339      76.79
Above 800                                                      5       1,181,847        0.07      5.992         357      76.96
-------------------------------------------------------------------------------------------------------------------------------
Total:                                                    10,076   1,716,242,088      100.00      7.289         351      79.67
-------------------------------------------------------------------------------------------------------------------------------
Non-Zero Minimum: 500
Maximum: 813
Non-Zero Weighted Average: 617
-------------------------------------------------------------------------------------------------------------------------------


----------------------------------------------------------------------------------------------------
                                                        Non-Zero
                                                        Weighted
                                                        Average     Pct     Pct     Pct    Weighted
                                                          FICO     Full    Owner   Fixed   Average
Range of Credit Scores                                   Score      Doc     Occ    Rate      DTI
----------------------------------------------------------------------------------------------------
500 - 525                                                    514   74.28   98.23    3.29      41.91
526 - 550                                                    538   71.49   97.26   16.31      40.94
551 - 575                                                    563   68.61   96.48   18.86      40.46
576 - 600                                                    588   63.03   95.84   23.27      40.58
601 - 625                                                    614   62.06   94.92   25.84      41.22
626 - 650                                                    638   41.95   92.64   28.19       41.3
651 - 675                                                    662   40.74    92.1   34.69      40.95
676 - 700                                                    687   34.97   89.64   35.09      40.34
701 - 725                                                    712   36.35   89.67   34.75      40.23
726 - 750                                                    738   40.56    85.5   34.38       39.6
751 - 775                                                    763   51.64   86.03   36.63      40.23
776 - 800                                                    786   53.94   93.67   55.93      38.43
Above 800                                                    809   43.09     100    5.06      41.51
----------------------------------------------------------------------------------------------------
Total:                                                       617   54.93   93.98   25.65      40.86
----------------------------------------------------------------------------------------------------
Non-Zero Minimum: 500
Maximum: 813
Non-Zero Weighted Average: 617
----------------------------------------------------------------------------------------------------

7. Documentation Level

-------------------------------------------------------------------------------------------------------------------------------
                                                                                     % of
                                                                                   Mortgage
                                                                     Aggregate      Pool by    Weighted               Weighted
                                                                      Cut-off      Aggregate   Average    Weighted    Average
                                                         Number        Date         Cut-off     Gross      Average    Original
                                                           of        Principal       Date      Interest   Remaining   Combined
                                                        Mortgage      Balance      Principal     Rate       Term        LTV
Documentation Level                                      Loans          ($)         Balance      (%)      (Months)      (%)
-------------------------------------------------------------------------------------------------------------------------------
Full Documentation                                         5,926     942,734,608       54.93      7.154         350      79.93
Stated Documentation                                       3,760     697,104,127       40.62      7.495         353      79.36
Limited/Alternate Documentation                              390      76,403,353        4.45      7.073         349      79.27
-------------------------------------------------------------------------------------------------------------------------------
Total:                                                    10,076   1,716,242,088      100.00      7.289         351      79.67
-------------------------------------------------------------------------------------------------------------------------------


----------------------------------------------------------------------------------------------------
                                                        Non-Zero
                                                        Weighted
                                                        Average     Pct     Pct     Pct    Weighted
                                                          FICO     Full    Owner   Fixed   Average
Documentation Level                                      Score      Doc     Occ    Rate      DTI
----------------------------------------------------------------------------------------------------
Full Documentation                                           605     100   94.79    29.8      40.94
Stated Documentation                                         635       0   93.08   18.69      41.12
Limited/Alternate Documentation                              616       0   92.13   38.03      37.64
----------------------------------------------------------------------------------------------------
Total:                                                       617   54.93   93.98   25.65      40.86
----------------------------------------------------------------------------------------------------

8. Loan Purpose

-------------------------------------------------------------------------------------------------------------------------------
                                                                                     % of
                                                                                   Mortgage
                                                                     Aggregate      Pool by    Weighted               Weighted
                                                                      Cut-off      Aggregate   Average    Weighted    Average
                                                         Number        Date         Cut-off     Gross      Average    Original
                                                           of        Principal       Date      Interest   Remaining   Combined
                                                        Mortgage      Balance      Principal     Rate       Term        LTV
Loan Purpose                                             Loans          ($)         Balance      (%)      (Months)      (%)
-------------------------------------------------------------------------------------------------------------------------------
Refinance - Cashout                                        6,101   1,053,008,058       61.36      7.255         350      77.53
Purchase                                                   3,391     582,936,898       33.97      7.339         355      83.54
Refinance - Rate Term                                        584      80,297,131        4.68      7.362         344      79.69
-------------------------------------------------------------------------------------------------------------------------------
Total:                                                    10,076   1,716,242,088      100.00      7.289         351      79.67
-------------------------------------------------------------------------------------------------------------------------------


----------------------------------------------------------------------------------------------------
                                                        Non-Zero
                                                        Weighted
                                                        Average     Pct     Pct     Pct    Weighted
                                                          FICO     Full    Owner   Fixed   Average
Loan Purpose                                             Score      Doc     Occ    Rate      DTI
----------------------------------------------------------------------------------------------------
Refinance - Cashout                                          604   59.91   94.45   31.12      40.43
Purchase                                                     643   43.41   92.92   14.51      41.79
Refinance - Rate Term                                        607   73.23   95.58    34.8      39.86
----------------------------------------------------------------------------------------------------
Total:                                                       617   54.93   93.98   25.65      40.86
----------------------------------------------------------------------------------------------------

9. Occupancy Type

-------------------------------------------------------------------------------------------------------------------------------
                                                                                     % of
                                                                                   Mortgage
                                                                     Aggregate      Pool by    Weighted               Weighted
                                                                      Cut-off      Aggregate   Average    Weighted    Average
                                                         Number        Date         Cut-off     Gross      Average    Original
                                                           of        Principal       Date      Interest   Remaining   Combined
                                                        Mortgage      Balance      Principal     Rate       Term        LTV
Occupancy Type                                           Loans          ($)         Balance      (%)      (Months)      (%)
-------------------------------------------------------------------------------------------------------------------------------
Primary                                                    9,384   1,612,941,290       93.98      7.266         351      79.70
Non-Owner Occupied                                           630      91,333,385        5.32      7.677         354      79.19
Second Home                                                   62      11,967,412        0.70      7.406         353      79.68
-------------------------------------------------------------------------------------------------------------------------------
Total:                                                    10,076   1,716,242,088      100.00      7.289         351      79.67
-------------------------------------------------------------------------------------------------------------------------------


----------------------------------------------------------------------------------------------------
                                                        Non-Zero
                                                        Weighted
                                                        Average     Pct     Pct     Pct    Weighted
                                                          FICO     Full    Owner   Fixed   Average
Occupancy Type                                           Score      Doc     Occ    Rate      DTI
----------------------------------------------------------------------------------------------------
Primary                                                      616   55.41     100   25.69      41.05
Non-Owner Occupied                                           646   47.96       0   27.13      37.53
Second Home                                                  632   44.04       0    9.22      41.92
----------------------------------------------------------------------------------------------------
Total:                                                       617   54.93   93.98   25.65      40.86
----------------------------------------------------------------------------------------------------

10. Property Type

-------------------------------------------------------------------------------------------------------------------------------
                                                                                     % of
                                                                                   Mortgage
                                                                     Aggregate      Pool by    Weighted               Weighted
                                                                      Cut-off      Aggregate   Average    Weighted    Average
                                                         Number        Date         Cut-off     Gross      Average    Original
                                                           of        Principal       Date      Interest   Remaining   Combined
                                                        Mortgage      Balance      Principal     Rate       Term        LTV
Property Type                                            Loans          ($)         Balance      (%)      (Months)      (%)
-------------------------------------------------------------------------------------------------------------------------------
Single Family Residence                                    7,990   1,324,049,606       77.15      7.301         351      79.58
Planned Unit Development                                     803     150,301,412        8.76      7.139         350      81.17
2-4 Family                                                   649     139,672,272        8.14       7.34         354      78.24
Condominium                                                  634     102,218,797        5.96      7.277         354      80.56
-------------------------------------------------------------------------------------------------------------------------------
Total:                                                    10,076   1,716,242,088      100.00      7.289         351      79.67
-------------------------------------------------------------------------------------------------------------------------------


----------------------------------------------------------------------------------------------------
                                                        Non-Zero
                                                        Weighted
                                                        Average     Pct     Pct     Pct    Weighted
                                                          FICO     Full    Owner   Fixed   Average
Property Type                                            Score      Doc     Occ    Rate      DTI
----------------------------------------------------------------------------------------------------
Single Family Residence                                      614   56.58   95.81   25.89      40.79
Planned Unit Development                                     622   54.88    95.6   23.78       41.1
2-4 Family                                                   638   43.97    75.5    31.4      40.87
Condominium                                                  628   48.64   93.16    17.5       41.5
----------------------------------------------------------------------------------------------------
Total:                                                       617   54.93   93.98   25.65      40.86
----------------------------------------------------------------------------------------------------

11. Geographic Distribution of Mortgaged Properties

-------------------------------------------------------------------------------------------------------------------------------
                                                                                     % of
                                                                                   Mortgage
                                                                     Aggregate      Pool by    Weighted               Weighted
                                                                      Cut-off      Aggregate   Average    Weighted    Average
                                                         Number        Date         Cut-off     Gross      Average    Original
                                                           of        Principal       Date      Interest   Remaining   Combined
                                                        Mortgage      Balance      Principal     Rate       Term        LTV
Geographic Distribution of Mortgaged Properties          Loans          ($)         Balance      (%)      (Months)      (%)
-------------------------------------------------------------------------------------------------------------------------------
California                                                 2,548     617,188,823       35.96      6.907         352      77.71
Florida                                                    1,415     200,645,540       11.69      7.453         353      80.99
New York                                                     488     107,568,173        6.27      7.221         353      77.01
Texas                                                        888      85,994,064        5.01      7.808         332      78.77
New Jersey                                                   299      62,949,634        3.67      7.465         353      79.61
Massachusetts                                                205      45,285,847        2.64      7.156         355      79.09
Nevada                                                       226      43,126,960        2.51       7.37         355      81.42
Maryland                                                     228      42,671,366        2.49      7.671         353      81.40
Virginia                                                     217      41,836,062        2.44      7.554         352      80.99
Washington                                                   251      41,801,939        2.44      7.173         352      81.69
Illinois                                                     235      37,279,680        2.17      7.731         352      82.35
Arizona                                                      230      30,889,879        1.80      7.331         354      83.18
Ohio                                                         287      29,672,013        1.73      7.844         350      83.52
Pennsylvania                                                 228      27,731,829        1.62      7.739         348      83.55
Michigan                                                     238      26,034,897        1.52      7.933         354      82.20
Other                                                      2,093     275,565,382       16.06      7.544         351      81.68
-------------------------------------------------------------------------------------------------------------------------------
Total:                                                    10,076   1,716,242,088      100.00      7.289         351      79.67
-------------------------------------------------------------------------------------------------------------------------------
Number of States/District of Columbia Represented: 51
-------------------------------------------------------------------------------------------------------------------------------


----------------------------------------------------------------------------------------------------
                                                        Non-Zero
                                                        Weighted
                                                        Average     Pct     Pct     Pct    Weighted
                                                          FICO     Full    Owner   Fixed   Average
Geographic Distribution of Mortgaged Properties          Score      Doc     Occ    Rate      DTI
----------------------------------------------------------------------------------------------------
California                                                   626   49.75   94.43   23.98      41.52
Florida                                                      610   53.19   93.22   27.55      40.49
New York                                                     623    50.4   94.28   43.25      41.31
Texas                                                        604   59.95   93.57   44.74      39.55
New Jersey                                                   612   57.84   94.55   19.65      41.91
Massachusetts                                                623   58.44   94.78   22.68       41.9
Nevada                                                       619   59.33    89.3   17.97      40.52
Maryland                                                     602   62.31   98.54   16.38      41.18
Virginia                                                     614   57.44   95.51   19.64      40.63
Washington                                                   622   54.15   96.38   19.81      40.74
Illinois                                                     605    57.4   94.37   10.59      40.57
Arizona                                                      619   60.05   93.37   21.48      39.11
Ohio                                                         602   65.59   89.77   26.07      39.64
Pennsylvania                                                 608   61.71   96.21   30.51       40.9
Michigan                                                     600   62.38   90.95   13.29       39.3
Other                                                        614   61.22   93.24   24.63      40.06
----------------------------------------------------------------------------------------------------
Total:                                                       617   54.93   93.98   25.65      40.86
----------------------------------------------------------------------------------------------------
Number of States/District of Columbia Represented: 51
----------------------------------------------------------------------------------------------------

12. Range of Remaining Terms (Months)

-------------------------------------------------------------------------------------------------------------------------------
                                                                                     % of
                                                                                   Mortgage
                                                                     Aggregate      Pool by    Weighted               Weighted
                                                                      Cut-off      Aggregate   Average    Weighted    Average
                                                         Number        Date         Cut-off     Gross      Average    Original
                                                           of        Principal       Date      Interest   Remaining   Combined
                                                        Mortgage      Balance      Principal     Rate       Term        LTV
(Months)                                                 Loans          ($)         Balance      (%)      (Months)      (%)
-------------------------------------------------------------------------------------------------------------------------------
109 - 120                                                     21       1,429,838        0.08       7.72         117      71.84
169 - 180                                                    302      28,850,869        1.68      7.319         177      69.90
229 - 240                                                    317      24,436,427        1.42      8.214         237      78.97
289 - 300                                                     89      19,273,159        1.12      5.411         297      79.74
349 - 360                                                  9,347   1,642,251,794       95.69      7.296         357      79.86
-------------------------------------------------------------------------------------------------------------------------------
Total:                                                    10,076   1,716,242,088      100.00      7.289         351      79.67
-------------------------------------------------------------------------------------------------------------------------------
Minimum: 116
Maximum: 358
Weighted Average: 351
-------------------------------------------------------------------------------------------------------------------------------


----------------------------------------------------------------------------------------------------
                                                        Non-Zero
                                                        Weighted
                                                        Average     Pct     Pct     Pct    Weighted
                                                          FICO     Full    Owner   Fixed   Average
(Months)                                                 Score      Doc     Occ    Rate      DTI
----------------------------------------------------------------------------------------------------
109 - 120                                                    641   91.74     100     100      34.04
169 - 180                                                    619   65.11   96.16   99.75      38.36
229 - 240                                                    634   62.46   97.34     100      40.75
289 - 300                                                    703   48.89   96.92   19.27      40.76
349 - 360                                                    616   54.68   93.85   23.25      40.92
----------------------------------------------------------------------------------------------------
Total:                                                       617   54.93   93.98   25.65      40.86
----------------------------------------------------------------------------------------------------
Minimum: 116
Maximum: 358
Weighted Average: 351
----------------------------------------------------------------------------------------------------

13. Product Types

-------------------------------------------------------------------------------------------------------------------------------
                                                                                     % of
                                                                                   Mortgage
                                                                     Aggregate      Pool by    Weighted               Weighted
                                                                      Cut-off      Aggregate   Average    Weighted    Average
                                                         Number        Date         Cut-off     Gross      Average    Original
                                                           of        Principal       Date      Interest   Remaining   Combined
                                                        Mortgage      Balance      Principal     Rate       Term        LTV
Product Types                                            Loans          ($)         Balance      (%)      (Months)      (%)
-------------------------------------------------------------------------------------------------------------------------------
Fixed - 10 Year                                               21       1,429,838        0.08       7.72         117      71.84
Fixed - 15 Year                                              301      28,777,380        1.68      7.308         177      69.85
Fixed - 20 Year                                              317      24,436,427        1.42      8.214         237      78.97
Fixed - 25 Year                                               37       3,712,987        0.22      7.906         297      74.36
Fixed - 30 Year                                            2,355     369,519,358       21.53      7.271         357      76.21
ARM - 2 Year/6 Month                                       5,375     946,606,648       55.16      7.415         357      80.61
ARM - 3 Year/6 Month                                         839     133,708,520        7.79      7.476         357      81.83
ARM - 5 Year/6 Month                                          53      10,161,470        0.59      6.957         358      76.40
ARM - 2 Year IO/6 Month                                      544     140,786,605        8.20      6.648         357      82.04
ARM - 3 Year IO/6 Month                                      127      28,471,176        1.66      6.588         356      83.36
ARM - 5 Year IO/6 Month                                        4         688,800        0.04      6.824         357      78.03
ARM - 10 Year IO/1 Month                                      52      15,560,172        0.91      4.816         297      81.03
Interest Only Fixed - 30 Year                                 51      12,382,706        0.72      6.301         356      80.10
-------------------------------------------------------------------------------------------------------------------------------
Total:                                                    10,076   1,716,242,088      100.00      7.289         351      79.67
-------------------------------------------------------------------------------------------------------------------------------


-----------------------------------------------------------------------------------------------------
                                                        Non-Zero
                                                        Weighted
                                                        Average     Pct      Pct      Pct    Weighted
                                                          FICO      Full    Owner    Fixed   Average
Product Types                                            Score      Doc      Occ     Rate      DTI
-----------------------------------------------------------------------------------------------------
Fixed - 10 Year                                              641    91.74      100     100      34.04
Fixed - 15 Year                                              619    65.03    96.15     100      38.35
Fixed - 20 Year                                              634    62.46    97.34     100      40.75
Fixed - 25 Year                                              610     73.5    93.63     100      38.77
Fixed - 30 Year                                              636    63.02    93.54     100      40.21
ARM - 2 Year/6 Month                                         602    52.19    92.92       0      40.96
ARM - 3 Year/6 Month                                         613    45.66    94.22       0      41.34
ARM - 5 Year/6 Month                                         629     61.9    90.58       0      42.44
ARM - 2 Year IO/6 Month                                      651    51.96    99.21       0      41.45
ARM - 3 Year IO/6 Month                                      649    69.95    99.01       0      42.51
ARM - 5 Year IO/6 Month                                      634      100      100       0      34.75
ARM - 10 Year IO/1 Month                                     725    43.01    97.71       0      41.23
Interest Only Fixed - 30 Year                                671     80.9      100     100      43.78
-----------------------------------------------------------------------------------------------------
Total:                                                       617    54.93    93.98   25.65      40.86
-----------------------------------------------------------------------------------------------------

14. Subsequent Periodic Cap (%)

-------------------------------------------------------------------------------------------------------------------------------
                                                                                     % of
                                                                                   Mortgage
                                                                     Aggregate      Pool by    Weighted               Weighted
                                                                      Cut-off      Aggregate   Average    Weighted    Average
                                                         Number        Date         Cut-off     Gross      Average    Original
                                                           of        Principal       Date      Interest   Remaining   Combined
                                                        Mortgage      Balance      Principal     Rate       Term        LTV
Subsequent Periodic Cap (%)                              Loans          ($)         Balance      (%)      (Months)      (%)
-------------------------------------------------------------------------------------------------------------------------------
Fixed Rate Loans                                           3,082     440,258,697       25.65      7.306         337      76.03
1                                                          2,262     384,230,515       22.39      7.452         357      79.34
1.5                                                        4,680     876,192,704       51.05      7.253         357      81.62
3                                                             52      15,560,172        0.91      4.816         297      81.03
-------------------------------------------------------------------------------------------------------------------------------
Total:                                                    10,076   1,716,242,088      100.00      7.289         351      79.67
-------------------------------------------------------------------------------------------------------------------------------
Minimum: 1.000
Maximum: 3.000
Weighted Average: 1.368
-------------------------------------------------------------------------------------------------------------------------------

----------------------------------------------------------------------------------------------------
                                                        Non-Zero
                                                        Weighted
                                                        Average     Pct     Pct     Pct    Weighted
                                                          FICO     Full    Owner   Fixed   Average
Subsequent Periodic Cap (%)                              Score      Doc     Occ    Rate      DTI
----------------------------------------------------------------------------------------------------
Fixed Rate Loans                                             636    63.8   94.12     100      40.18
1                                                            603   57.04   95.56       0      41.79
1.5                                                          613   49.76   93.15       0       40.8
3                                                            725   43.01   97.71       0      41.23
----------------------------------------------------------------------------------------------------
Total:                                                       617   54.93   93.98   25.65      40.86
----------------------------------------------------------------------------------------------------
Minimum: 1.000
Maximum: 3.000
Weighted Average: 1.368
----------------------------------------------------------------------------------------------------

15. Range of Maximum Loan Rates (%)

-------------------------------------------------------------------------------------------------------------------------------
                                                                                     % of
                                                                                   Mortgage
                                                                     Aggregate      Pool by    Weighted               Weighted
                                                                      Cut-off      Aggregate   Average    Weighted    Average
                                                         Number        Date         Cut-off     Gross      Average    Original
                                                           of        Principal       Date      Interest   Remaining   Combined
                                                        Mortgage      Balance      Principal     Rate       Term        LTV
Range of Maximum Loan Rates (%)                          Loans          ($)         Balance      (%)      (Months)      (%)
-------------------------------------------------------------------------------------------------------------------------------
Fixed Rate Loans                                           3,082     440,258,697       25.65      7.306         337      76.03
<= 13.000                                                  1,254     275,527,144       16.05      6.093         354      78.06
13.001 - 13.500                                              897     182,852,658       10.65      6.689         357      79.61
13.501 - 14.000                                            1,188     229,987,248       13.40      7.071         357      81.38
14.001 - 14.500                                            1,052     191,501,946       11.16      7.484         357      81.93
14.501 - 15.000                                            1,152     194,883,735       11.36      7.946         357      83.27
15.001 - 15.500                                              629      94,846,839        5.53      8.452         357      82.79
15.501 - 16.000                                              548      76,470,801        4.46        8.9         357      83.15
16.001 - 16.500                                              126      13,882,146        0.81      9.534         357      80.34
16.501 - 17.000                                               80       9,755,538        0.57     10.131         356      77.13
17.001 - 17.500                                               39       3,722,289        0.22     10.708         353      79.37
17.501 - 18.000                                               13       1,217,250        0.07     11.255         357      75.17
18.001 - 18.500                                                9         687,912        0.04     11.756         357      74.12
18.501 - 19.000                                                4         400,816        0.02     12.218         357      71.32
19.001 - 19.500                                                2         156,139        0.01     12.468         357      73.43
19.501 - 20.000                                                1          90,930        0.01      12.55         357      70.00
-------------------------------------------------------------------------------------------------------------------------------
Total:                                                    10,076   1,716,242,088      100.00      7.289         351      79.67
-------------------------------------------------------------------------------------------------------------------------------
Non Fixed Rate Minimum: 10.330
Maximum: 19.550
Non Fixed Rate Weighted Average: 13.976
-------------------------------------------------------------------------------------------------------------------------------


-----------------------------------------------------------------------------------------------------
                                                        Non-Zero
                                                        Weighted
                                                        Average     Pct      Pct      Pct    Weighted
                                                          FICO      Full    Owner    Fixed   Average
Range of Maximum Loan Rates (%)                          Score      Doc      Occ     Rate      DTI
-----------------------------------------------------------------------------------------------------
Fixed Rate Loans                                             636     63.8    94.12     100      40.18
<= 13.000                                                    636    67.77    96.39       0      41.49
13.001 - 13.500                                              625    53.45    96.11       0      41.63
13.501 - 14.000                                              620    47.02    95.61       0      41.09
14.001 - 14.500                                              605    45.61    93.24       0       41.1
14.501 - 15.000                                              595    46.49    91.63       0      40.95
15.001 - 15.500                                              581    45.51    90.37       0      40.68
15.501 - 16.000                                              577    45.12    88.91       0      39.99
16.001 - 16.500                                              560    44.66    83.56       0      39.58
16.501 - 17.000                                              544    45.78    93.94       0      39.95
17.001 - 17.500                                              552    44.95    92.15       0      38.03
17.501 - 18.000                                              543    47.94    92.82       0       37.4
18.001 - 18.500                                              526    41.27      100       0      39.32
18.501 - 19.000                                              531      100    90.28       0      42.19
19.001 - 19.500                                              534        0    31.37       0      26.18
19.501 - 20.000                                              508        0      100       0       54.7
-----------------------------------------------------------------------------------------------------
Total:                                                       617    54.93    93.98   25.65      40.86
-----------------------------------------------------------------------------------------------------
Non Fixed Rate Minimum: 10.330
Maximum: 19.550
Non Fixed Rate Weighted Average: 13.976
----------------------------------------------------------------------------------------------------

16. Range of Gross Margins (%)

-------------------------------------------------------------------------------------------------------------------------------
                                                                                     % of
                                                                                   Mortgage
                                                                     Aggregate      Pool by    Weighted               Weighted
                                                                      Cut-off      Aggregate   Average    Weighted    Average
                                                         Number        Date         Cut-off     Gross      Average    Original
                                                           of        Principal       Date      Interest   Remaining   Combined
                                                        Mortgage      Balance      Principal     Rate       Term        LTV
Range of Gross Margins (%)                               Loans          ($)         Balance      (%)      (Months)      (%)
-------------------------------------------------------------------------------------------------------------------------------
Fixed Rate Loans                                           3,082     440,258,697       25.65      7.306         337      76.03
<=5.000                                                      179      41,173,749        2.40      5.595         334      80.26
5.001 - 5.500                                              3,526     646,156,470       37.65      7.013         357      81.51
5.501 - 6.000                                              1,910     373,247,244       21.75      7.414         357      81.84
6.001 - 6.500                                                715     115,564,202        6.73      7.904         357      78.66
6.501 - 7.000                                                467      69,952,565        4.08      8.307         357      74.11
7.001 - 7.500                                                108      16,769,501        0.98      8.719         356      83.53
7.501 - 8.000                                                 49       6,815,403        0.40      8.954         356      84.66
8.001 - 8.500                                                 26       4,007,512        0.23      9.806         356      78.19
8.501 - 9.000                                                 11       1,820,843        0.11      9.922         356      81.44
>=9.001                                                        3         475,902        0.03     10.176         356      64.40
-------------------------------------------------------------------------------------------------------------------------------
Total:                                                    10,076   1,716,242,088      100.00      7.289         351      79.67
-------------------------------------------------------------------------------------------------------------------------------
Non Fixed Rate Minimum: 1.605
Maximum: 9.990
Non Fixed Rate Weighted Average: 5.652
-------------------------------------------------------------------------------------------------------------------------------


----------------------------------------------------------------------------------------------------
                                                        Non-Zero
                                                        Weighted
                                                        Average     Pct     Pct      Pct    Weighted
                                                          FICO     Full    Owner    Fixed   Average
Range of Gross Margins (%)                               Score      Doc     Occ     Rate      DTI
----------------------------------------------------------------------------------------------------
Fixed Rate Loans                                             636    63.8    94.12     100      40.18
<=5.000                                                      679   51.98    95.84       0      42.02
5.001 - 5.500                                                615    64.5    94.42       0      41.24
5.501 - 6.000                                                619   25.98     91.5       0      40.75
6.001 - 6.500                                                575   59.74     96.6       0      41.39
6.501 - 7.000                                                570   61.69     96.3       0      40.72
7.001 - 7.500                                                577   50.86    94.14       0      41.03
7.501 - 8.000                                                568   58.35    97.07       0      41.59
8.001 - 8.500                                                560   33.14    93.64       0      39.35
8.501 - 9.000                                                564   25.42      100       0      43.49
>=9.001                                                      544   49.96      100       0      38.29
----------------------------------------------------------------------------------------------------
Total:                                                       617   54.93    93.98   25.65      40.86
----------------------------------------------------------------------------------------------------
Non Fixed Rate Minimum: 1.605
Maximum: 9.990
Non Fixed Rate Weighted Average: 5.652
----------------------------------------------------------------------------------------------------


This information is being delivered to a specific number of prospective sophisticated investors in order to assist them in determining whether they have an interest in the type of security described herein. It has been prepared solely for information purposes and is not an offer to buy or sell or a solicitation of an offer to buy or sell any security or instrument or to participate in any trading strategy. This material is based on information that Morgan Stanley & Co. Incorporated ("Morgan Stanley") considers reliable. Morgan Stanley makes no representation or warranty with respect to the accuracy or completeness of the information, or with respect to the terms of any future offer of securities conforming to the terms hereof. Any such offer of securities would be made pursuant to a definitive Prospectus or Private Placement Memorandum, as the case may be, prepared by the issuer which could contain material information not contained herein and to which the prospective purchasers are referred. In the event of any such offering, this information shall be deemed superseded, amended and supplemented in its entirety by such Prospectus or Private Placement Memorandum. Such Prospectus or Private Placement Memorandum will contain all material information in respect of any securities offered thereby and any decision to invest in such securities should be made solely in reliance upon such Prospectus or Private Placement Memorandum. The information contained here in may be based on certain assumptions regarding market conditions and other matters and is therefore subject to change. We make no representations regarding the reasonableness of such assumptions or the likelihood that any of such assumptions will coincide with actual market conditions or events, and this material should not be relied on for such purposes. No representation is made that any returns indicated will be achieved. Changes to the assumptions may have a material impact on any returns detailed. Morgan Stanley disclaims any and all liability relating to this information, including without limitation any express or implied representations or warranties for, statements contained in, and omissions from the information contained here in. Additional information is available upon request. Morgan Stanley and others associated with it may have positions in, and may effect transaction in, securities and instruments of issuers mentioned herein and may also perform or seek to perform investment banking services for the issuers of such securities and instruments. Past performance is not necessarily indicative of future results. Price and availability are subject to change without notice. Information contained in this material is current as of the date appearing on this material only. Information in this material regarding any assets backing any securities discussed herein supercedes all prior information regarding such assets. Morgan Stanley is acting as the lead underwriter and not acting as agent for the issuer or its affiliates in connection with the proposed transaction. To our readers worldwide: In addition, please note that this publication has been issued by Morgan Stanley, approved by Morgan Stanley International Limited, a member of The Securities and Futures Authority, and by Morgan Stanley Japan Ltd. We recommend that such investors obtain the advice of their Morgan Stanley, Morgan Stanley International or Morgan Stanley Japan Ltd. representative about the investments concerned. NOT FOR DISTRIBUTION TO PRIVATE CUSTOMERS AS DEFINED BY THE U.K. SECURITIES AND FUTURES AUTHORITY.


MORGAN STANLEY
MSAC 2004-HE9
FICO Less than 550

Table of Contents

1. Purpose
2. Range of Combined Original LTV Ratios (%)
3. Documentation Level
4. Geographic Distribution by State

1. Purpose

--------------------------------------------------------------------------------------------------------------------------------
                                                                          % of
                                                                        Mortgage
                                                                         Pool by
                                                           Aggregate    Aggregate   Weighted   Weighted   Weighted
                                                Number      Cut-off      Cut-off    Average    Average    Average     Weighted
                                                  of         Date         Date       Gross     Remaining  Combined    Average
                                               Mortgage    Principal    Principal   Interest     Term     Original      FICO
Purpose                                         Loans     Balance ($)    Balance    Rate (%)   (months)     LTV        Score
--------------------------------------------------------------------------------------------------------------------------------
Purchase                                            170    25,025,973       10.34      8.568        357      79.46          531
Refinance - Rate Term                               117    13,622,736        5.63      8.541        351      78.71          528
Refinance - Cashout                               1,351   203,396,160       84.03      8.165        353      74.40          528
--------------------------------------------------------------------------------------------------------------------------------
Total:                                            1,638   242,044,869      100.00      8.227        353      75.17          528
--------------------------------------------------------------------------------------------------------------------------------

2. Range of Combined Original LTV Ratios (%)

--------------------------------------------------------------------------------------------------------------------------------
                                                                          % of
                                                                        Mortgage
                                                                         Pool by
                                                           Aggregate    Aggregate   Weighted   Weighted   Weighted
                                                Number      Cut-off      Cut-off    Average    Average    Average     Weighted
                                                  of         Date         Date       Gross     Remaining  Combined    Average
                                               Mortgage    Principal    Principal   Interest     Term     Original      FICO
Range of Combined Original LTV Ratios (%)       Loans     Balance ($)    Balance    Rate (%)   (months)     LTV        Score
--------------------------------------------------------------------------------------------------------------------------------
15.01 - 20.00                                         2       135,402        0.06      8.814        278      18.58          542
20.01 - 25.00                                         3       257,338        0.11      7.914        357      23.95          528
25.01 - 30.00                                         5       736,167        0.30      7.237        351      29.01          539
30.01 - 35.00                                        10     1,013,490        0.42      8.288        357      31.78          530
35.01 - 40.00                                        18     2,108,580        0.87      7.709        357      37.01          530
40.01 - 45.00                                        14     1,341,664        0.55      8.171        333      43.12          529
45.01 - 50.00                                        37     4,523,852        1.87      8.241        350      47.80          528
50.01 - 55.00                                        38     5,606,091        2.32      8.025        347      52.85          528
55.01 - 60.00                                        54     7,330,063        3.03      7.991        353      58.20          528
60.01 - 65.00                                       107    16,035,965        6.63      8.213        352      63.27          528
65.01 - 70.00                                       177    26,143,111       10.80      8.277        350      68.99          526
70.01 - 75.00                                       275    39,767,477       16.43      8.395        356      74.17          525
75.01 - 80.00                                       501    74,424,358       30.75      8.201        354      79.61          526
80.01 - 85.00                                       325    50,632,607       20.92      8.197        354      84.69          534
85.01 - 90.00                                        70    11,728,709        4.85      8.253        354      89.61          536
90.01 - 95.00                                         2       259,997        0.11      8.759        358      95.00          545
--------------------------------------------------------------------------------------------------------------------------------
Total:                                            1,638   242,044,869      100.00      8.227        353      75.17          528
--------------------------------------------------------------------------------------------------------------------------------
Minimum: 17.47
Maximum: 95.00
Weighted Average: 75.17
--------------------------------------------------------------------------------------------------------------------------------

3. Documentation Level

--------------------------------------------------------------------------------------------------------------------------------
                                                                          % of
                                                                        Mortgage
                                                                         Pool by
                                                           Aggregate    Aggregate   Weighted   Weighted   Weighted
                                                Number      Cut-off      Cut-off    Average    Average    Average     Weighted
                                                  of         Date         Date       Gross     Remaining  Combined    Average
                                               Mortgage    Principal    Principal   Interest     Term     Original      FICO
Documentation Level                             Loans     Balance ($)    Balance    Rate (%)   (months)     LTV        Score
--------------------------------------------------------------------------------------------------------------------------------
Full                                              1,242   175,371,438       72.45      8.087        353      75.87          528
Stated Documentation                                344    57,641,905       23.81      8.656        354      72.78          529
Limited                                              52     9,031,526        3.73      8.212        356      76.77          527
--------------------------------------------------------------------------------------------------------------------------------
Total:                                            1,638   242,044,869      100.00      8.227        353      75.17          528
--------------------------------------------------------------------------------------------------------------------------------

4. Geographic Distribution by State

--------------------------------------------------------------------------------------------------------------------------------
                                                                          % of
                                                                        Mortgage
                                                                         Pool by
                                                           Aggregate    Aggregate   Weighted   Weighted   Weighted
                                                Number      Cut-off      Cut-off    Average    Average    Average     Weighted
Geographic                                        of         Date         Date       Gross     Remaining  Combined    Average
Distribution                                   Mortgage    Principal    Principal   Interest     Term     Original      FICO
by State                                        Loans     Balance ($)    Balance    Rate (%)   (months)     LTV        Score
--------------------------------------------------------------------------------------------------------------------------------
Alabama                                              11     1,118,564        0.46      8.807        357      81.11          527
Arizona                                              28     3,370,699        1.39      8.396        354      79.18          529
Arkansas                                              7       553,535        0.23      8.136        357      77.82          539
California                                          336    72,925,729       30.13      7.883        356      73.68          529
Colorado                                             18     2,631,077        1.09      8.216        357      73.73          520
Connecticut                                          24     3,560,754        1.47      8.037        345      72.88          527
Delaware                                              7     1,461,692        0.60      8.231        357      74.61          517
District of Columbia                                  4       651,672        0.27      8.420        339      61.49          522
Florida                                             237    31,220,530       12.90      8.227        355      76.39          529
Georgia                                              31     3,450,979        1.43      8.576        357      77.66          530
Hawaii                                                5     1,142,058        0.47      8.145        356      74.80          536
Idaho                                                 4       250,094        0.10      8.768        357      75.47          521
Illinois                                             49     6,712,661        2.77      8.268        351      77.48          530
Indiana                                              17     1,442,386        0.60      8.829        349      78.93          528
Iowa                                                  5       403,154        0.17      9.478        357      84.11          537
Kansas                                                6       614,014        0.25      9.673        356      81.78          520
Kentucky                                              5       328,319        0.14      8.069        357      75.26          522
Louisiana                                            16     1,792,606        0.74      8.109        357      77.12          535
Maine                                                 4       510,610        0.21      7.951        357      78.99          537
Maryland                                             43     7,189,461        2.97      8.503        357      77.24          525
Massachusetts                                        33     6,497,936        2.68      7.755        357      72.26          531
Michigan                                             55     5,350,655        2.21      8.827        357      75.68          525
Minnesota                                            27     3,935,226        1.63      8.682        357      79.21          527
Mississippi                                           7       634,295        0.26      8.807        357      80.92          530
Missouri                                             25     2,198,148        0.91      8.720        357      79.08          521
Montana                                               1       182,148        0.08      8.990        357      79.99          507
Nebraska                                              1        69,913        0.03     10.330        357      70.00          511
Nevada                                               37     6,635,407        2.74      8.384        357      77.13          527
New Hampshire                                         4       773,182        0.32      7.779        357      80.03          533
New Jersey                                           60    11,406,161        4.71      8.283        356      74.64          528
New Mexico                                            7       889,589        0.37      8.319        357      81.79          534
New York                                             68    13,645,106        5.64      8.014        351      69.50          529
North Carolina                                       18     1,620,067        0.67      9.097        349      80.63          533
Ohio                                                 57     5,435,373        2.25      8.416        356      78.96          530
Oklahoma                                              5       324,972        0.13      8.754        357      68.35          533
Oregon                                               10     1,166,229        0.48      8.209        357      76.72          532
Pennsylvania                                         43     5,087,515        2.10      8.420        355      77.24          532
Rhode Island                                         13     1,793,752        0.74      8.461        346      70.36          528
South Carolina                                        6       672,162        0.28      8.297        357      72.39          535
Tennessee                                            25     2,320,089        0.96      8.776        351      77.39          531
Texas                                               193    16,986,666        7.02      8.794        335      74.94          529
Utah                                                  2       305,471        0.13      8.877        357      85.00          533
Vermont                                               1       192,216        0.08      7.400        177      53.89          525
Virginia                                             46     7,275,265        3.01      8.433        353      77.74          524
Washington                                           18     3,028,926        1.25      8.276        357      77.90          531
West Virginia                                         4       375,269        0.16      9.236        322      81.55          526
Wisconsin                                            15     1,912,538        0.79      8.261        357      76.55          529
--------------------------------------------------------------------------------------------------------------------------------
Total:                                            1,638   242,044,869      100.00      8.227        353      75.17          528
--------------------------------------------------------------------------------------------------------------------------------
Number of States Represented: 47
--------------------------------------------------------------------------------------------------------------------------------


This information is being delivered to a specific number of prospective sophisticated investors in order to assist them in determining whether they have an interest in the type of security described herein. It has been prepared solely for information purposes and is not an offer to buy or sell or a solicitation of an offer to buy or sell any security or instrument or to participate in any trading strategy. This material is based on information that Morgan Stanley & Co. Incorporated ("Morgan Stanley") considers reliable. Morgan Stanley makes no representation or warranty with respect to the accuracy or completeness of the information, or with respect to the terms of any future offer of securities conforming to the terms hereof. Any such offer of securities would be made pursuant to a definitive Prospectus or Private Placement Memorandum, as the case may be, prepared by the issuer which could contain material information not contained herein and to which the prospective purchasers are referred. In the event of any such offering, this information shall be deemed superseded, amended and supplemented in its entirety by such Prospectus or Private Placement Memorandum. Such Prospectus or Private Placement Memorandum will contain all material information in respect of any securities offered thereby and any decision to invest in such securities should be made solely in reliance upon such Prospectus or Private Placement Memorandum. The information contained here in may be based on certain assumptions regarding market conditions and other matters and is therefore subject to change. We make no representations regarding the reasonableness of such assumptions or the likelihood that any of such assumptions will coincide with actual market conditions or events, and this material should not be relied on for such purposes. No representation is made that any returns indicated will be achieved. Changes to the assumptions may have a material impact on any returns detailed. Morgan Stanley disclaims any and all liability relating to this information, including without limitation any express or implied representations or warranties for, statements contained in, and omissions from the information contained here in. Additional information is available upon request. Morgan Stanley and others associated with it may have positions in, and may effect transaction in, securities and instruments of issuers mentioned herein and may also perform or seek to perform investment banking services for the issuers of such securities and instruments. Past performance is not necessarily indicative of future results. Price and availability are subject to change without notice. Information contained in this material is current as of the date appearing on this material only. Information in this material regarding any assets backing any securities discussed herein supercedes all prior information regarding such assets. Morgan Stanley is acting as the lead underwriter and not acting as agent for the issuer or its affiliates in connection with the proposed transaction. To our readers worldwide: In addition, please note that this publication has been issued by Morgan Stanley, approved by Morgan Stanley International Limited, a member of The Securities and Futures Authority, and by Morgan Stanley Japan Ltd. We recommend that such investors obtain the advice of their Morgan Stanley, Morgan Stanley International or Morgan Stanley Japan Ltd. representative about the investments concerned. NOT FOR DISTRIBUTION TO PRIVATE CUSTOMERS AS DEFINED BY THE U.K. SECURITIES AND FUTURES AUTHORITY.


MORGAN STANLEY
MSAC 2004-HE9
ARM Loans

Table of Contents

1. Summary Statistics
2. Originator
3. Product Types
4. Range of Gross Interest Rates (%)
5. Range of Cut-off Date Principal Balances ($)
6. Stated Original Term (months)
7. Range of Stated Remaining Terms (months)
8. Range of Combined Original LTV Ratios (%)
9. Range of Gross Margins (%)
10. Range of Minimum Mortgage Rates (%)
11. Range of Maximum Mortgage Rates (%)
12. Initial Periodic Cap (%)
13. Subsequent Periodic Cap (%)
14. Next Rate Adjustment Dates
15. Geographic Distribution of Mortgaged Properties
16. Occupancy
17. Property Type
18. Loan Purpose
19. Documentation Level
20. Credit Score
21. Prepayment Penalty Term
22. Lien Position
23. Interest Only Term

1. Summary Statistics

Number of Mortgage Loans: 6,994
Aggregate Principal Balance ($): 1,275,983,391 Weighted Average Current Mortgage Rate (%): 7.283 Non-Zero Weighted Average Margin (%): 5.652 Non-Zero Weighted Average Maximum Rate (%): 13.976 Weighted Average Stated Original Term (months): 359 Weighted Average Stated Remaining Term (months): 356 Weighted Average Combined Original LTV (%): 80.93 % First Liens: 100.00
% Owner Occupied: 93.93
% Purchase: 39.06
% Full Doc: 51.87
Weighted Average Credit Score: 611

2. Originator

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                               Pool by
                                              Aggregate       Aggregate        Weighted       Weighted       Weighted
                                   Number      Cut-off         Cut-off         Average        Average        Average        Weighted
                                     of         Date             Date           Gross        Remaining         Comb         Average
                                  Mortgage    Principal       Principal        Interest         Term         Original         FICO
Originator                         Loans     Balance ($)       Balance         Rate (%)       (months)         LTV           Score
------------------------------------------------------------------------------------------------------------------------------------
Aames                               2,247    382,327,650          29.96          7.451            357          79.32            603
Accredited                          1,161    196,192,807          15.38          7.504            356          82.25            616
New Century                         3,586    697,462,933          54.66          7.128            356          81.44            614
------------------------------------------------------------------------------------------------------------------------------------
Total:                              6,994  1,275,983,391         100.00          7.283            356          80.93            611
------------------------------------------------------------------------------------------------------------------------------------

3. Product Types

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                               Pool by
                                              Aggregate       Aggregate        Weighted       Weighted       Weighted
                                   Number      Cut-off         Cut-off         Average        Average        Average        Weighted
                                     of         Date             Date           Gross        Remaining         Comb         Average
                                  Mortgage    Principal       Principal        Interest         Term         Original         FICO
Product Types                      Loans     Balance ($)       Balance         Rate (%)       (months)         LTV           Score
------------------------------------------------------------------------------------------------------------------------------------
ARM - 2 Year/6 Month                5,375    946,606,648          74.19          7.415            357          80.61            602
ARM - 3 Year/6 Month                  839    133,708,520          10.48          7.476            357          81.83            613
ARM - 5 Year/6 Month                   53     10,161,470           0.80          6.957            358          76.40            629
ARM - 2 Year IO/6 Month               544    140,786,605          11.03          6.648            357          82.04            651
ARM - 3 Year IO/6 Month               127     28,471,176           2.23          6.588            356          83.36            649
ARM - 5 Year IO/6 Month                 4        688,800           0.05          6.824            357          78.03            634
ARM - 10 Year IO/1 Month               52     15,560,172           1.22          4.816            297          81.03            725
------------------------------------------------------------------------------------------------------------------------------------
Total:                              6,994  1,275,983,391         100.00          7.283            356          80.93            611
------------------------------------------------------------------------------------------------------------------------------------

4. Range of Gross Interest Rates (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                               Pool by
                                              Aggregate       Aggregate        Weighted       Weighted       Weighted
                                   Number      Cut-off         Cut-off         Average        Average        Average        Weighted
                                     of         Date             Date           Gross        Remaining         Comb         Average
Range of Gross                    Mortgage    Principal       Principal        Interest         Term         Original         FICO
Interest Rates (%)                 Loans     Balance ($)       Balance         Rate (%)       (months)          LTV          Score
------------------------------------------------------------------------------------------------------------------------------------
4.000 - 4.999                          48     14,625,267           1.15          4.716            305          80.57            729
5.000 - 5.999                         507    123,484,466           9.68          5.699            355          77.37            640
6.000 - 6.999                       1,994    410,931,118          32.21          6.602            357          79.92            628
7.000 - 7.999                       2,512    452,974,389          35.50          7.529            357          82.11            606
8.000 - 8.999                       1,443    217,867,659          17.07          8.487            357          82.72            580
9.000 - 9.999                         352     43,310,463           3.39          9.458            357          81.07            555
10.000 - 10.999                        92      9,180,536           0.72         10.478            357          75.29            545
11.000 - 11.999                        35      2,866,027           0.22         11.426            352          74.80            530
12.000 - 12.999                        10        694,487           0.05         12.377            357          75.27            525
13.000 - 13.999                         1         48,978           0.00         13.055            358          70.00            542
------------------------------------------------------------------------------------------------------------------------------------
Total:                              6,994  1,275,983,391         100.00          7.283            356          80.93            611
------------------------------------------------------------------------------------------------------------------------------------
Minimum: 4.125
Maximum: 13.055
Weighted Average: 7.283

5. Range of Cut-off Date Principal Balances ($)

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                               Pool by
                                              Aggregate       Aggregate        Weighted       Weighted       Weighted
                                   Number      Cut-off         Cut-off         Average        Average        Average        Weighted
                                     of         Date             Date           Gross        Remaining         Comb         Average
Range of Cut-off Date             Mortgage    Principal       Principal        Interest         Term         Original         FICO
Principal Balances ($)             Loans     Balance ($)       Balance         Rate (%)       (months)         LTV           Score
------------------------------------------------------------------------------------------------------------------------------------
25,001 - 50,000                        83      3,721,098           0.29          9.271            357          74.23            568
50,001 - 75,000                       588     37,543,723           2.94          8.376            357          79.29            586
75,001 - 100,000                      893     78,944,073           6.19          7.753            357          79.91            598
100,001 - 125,000                     923    103,751,225           8.13          7.602            357          80.29            601
125,001 - 150,000                     851    117,452,852           9.20          7.469            357          80.73            606
150,001 - 175,000                     659    107,048,021           8.39          7.377            357          80.18            607
175,001 - 200,000                     594    111,712,631           8.76          7.369            357          79.72            599
200,001 - 225,000                     498    106,165,473           8.32          7.368            356          80.16            603
225,001 - 250,000                     338     80,370,936           6.30          7.229            356          80.14            611
250,001 - 275,000                     348     91,111,357           7.14          7.087            356          81.07            611
275,001 - 300,000                     277     79,483,977           6.23          6.939            355          81.37            620
300,001 - 325,000                     200     62,404,145           4.89          7.191            357          82.79            614
325,001 - 350,000                     185     62,457,034           4.89          6.920            356          81.40            625
350,001 - 375,000                     156     56,495,800           4.43          6.978            355          83.42            624
375,001 - 400,000                     130     50,454,800           3.95          6.786            355          82.92            635
400,001 - 425,000                      72     29,754,185           2.33          6.993            354          82.36            624
425,001 - 450,000                      57     24,983,426           1.96          6.951            356          82.73            625
450,001 - 475,000                      43     19,914,588           1.56          6.694            356          83.76            640
475,001 - 500,000                      62     30,516,934           2.39          7.020            355          82.04            635
500,001 - 750,000                      37     21,697,111           1.70          6.711            355          81.10            650
------------------------------------------------------------------------------------------------------------------------------------
Total:                              6,994  1,275,983,391         100.00          7.283            356          80.93            611
------------------------------------------------------------------------------------------------------------------------------------
Minimum: 34,922
Maximum: 750,000
Average: 182,440

6. Stated Original Term (months)

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                               Pool by
                                              Aggregate       Aggregate        Weighted       Weighted       Weighted
                                   Number      Cut-off         Cut-off         Average        Average        Average        Weighted
                                     of         Date             Date           Gross        Remaining         Comb         Average
Stated Original                   Mortgage    Principal       Principal        Interest         Term         Original         FICO
Term (months)                      Loans     Balance ($)       Balance         Rate (%)       (months)         LTV           Score
------------------------------------------------------------------------------------------------------------------------------------
180                                     1         73,489           0.01         11.500            178          90.00            556
300                                    52     15,560,172           1.22          4.816            297          81.03            725
360                                 6,941  1,260,349,730          98.77          7.313            357          80.93            610
------------------------------------------------------------------------------------------------------------------------------------
Total:                              6,994  1,275,983,391         100.00          7.283            356          80.93            611
------------------------------------------------------------------------------------------------------------------------------------
Minimum: 180
Maximum: 360
Weighted Average: 359

7. Range of Stated Remaining Terms (months)

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                               Pool by
                                              Aggregate       Aggregate        Weighted       Weighted       Weighted
                                   Number      Cut-off         Cut-off         Average        Average        Average        Weighted
                                     of         Date             Date           Gross        Remaining         Comb         Average
Range of Stated                   Mortgage    Principal       Principal        Interest         Term         Original         FICO
Remaining Terms (months)           Loans     Balance ($)       Balance         Rate (%)       (months)         LTV           Score
------------------------------------------------------------------------------------------------------------------------------------
169 - 180                               1         73,489           0.01         11.500            178          90.00            556
289 - 300                              52     15,560,172           1.22          4.816            297          81.03            725
349 - 360                           6,941  1,260,349,730          98.77          7.313            357          80.93            610
------------------------------------------------------------------------------------------------------------------------------------
Total:                              6,994  1,275,983,391         100.00          7.283            356          80.93            611
------------------------------------------------------------------------------------------------------------------------------------
Minimum: 178
Maximum: 358
Weighted Average: 356

8. Range of Combined Original LTV Ratios (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                               Pool by
                                              Aggregate       Aggregate        Weighted       Weighted       Weighted
                                   Number      Cut-off         Cut-off         Average        Average        Average        Weighted
                                     of         Date             Date           Gross        Remaining         Comb         Average
Range of Combined                 Mortgage    Principal       Principal        Interest         Term         Original         FICO
Original LTV Ratios (%)            Loans      Balance ($)      Balance         Rate (%)       (months)          LTV          Score
------------------------------------------------------------------------------------------------------------------------------------
15.01 - 20.00                           5        542,768           0.04          8.123            357          18.07            578
20.01 - 25.00                           6        537,558           0.04          7.152            357          22.65            583
25.01 - 30.00                           8      1,122,250           0.09          6.921            357          28.44            562
30.01 - 35.00                          16      1,701,499           0.13          7.644            357          32.25            564
35.01 - 40.00                          23      2,630,366           0.21          7.155            357          37.25            572
40.01 - 45.00                          33      4,858,395           0.38          6.908            354          42.89            592
45.01 - 50.00                          67      9,629,072           0.75          7.471            357          47.60            566
50.01 - 55.00                          84     14,337,860           1.12          7.066            357          52.82            582
55.01 - 60.00                         104     16,795,873           1.32          7.202            357          57.73            578
60.01 - 65.00                         227     40,032,509           3.14          7.233            355          63.30            580
65.01 - 70.00                         371     64,284,670           5.04          7.344            357          68.84            578
70.01 - 75.00                         526     90,242,322           7.07          7.415            357          74.12            577
75.01 - 80.00                       2,747    495,447,253          38.83          7.056            356          79.75            624
80.01 - 85.00                       1,019    199,878,873          15.66          7.345            355          84.53            597
85.01 - 90.00                       1,160    228,647,777          17.92          7.455            356          89.73            622
90.01 - 95.00                         453     84,359,074           6.61          7.709            357          94.83            623
95.01 - 100.00                        145     20,935,270           1.64          8.007            356          99.94            654
------------------------------------------------------------------------------------------------------------------------------------
Total:                              6,994  1,275,983,391         100.00          7.283            356          80.93            611
------------------------------------------------------------------------------------------------------------------------------------
Minimum: 17.11
Maximum: 100.00
Weighted Average: 80.93

9. Range of Gross Margins (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                               Pool by
                                              Aggregate       Aggregate        Weighted      Weighted       Weighted
                                   Number      Cut-off         Cut-off         Average       Average        Average        Weighted
                                     of         Date             Date           Gross       Remaining         Comb         Average
                                  Mortgage    Principal       Principal        Interest        Term         Original        FICO
Range of Gross Margins (%)         Loans     Balance ($)       Balance         Rate (%)      (months)         LTV           Score
------------------------------------------------------------------------------------------------------------------------------------
<= 3.500                               47     14,117,680           1.11          4.720            303          80.74            733
3.501 - 4.000                          18      5,098,984           0.40          5.398            331          81.83            677
4.001 - 4.500                          43      9,501,075           0.74          5.987            351          78.79            652
4.501 - 5.000                          71     12,456,009           0.98          6.367            356          80.21            639
5.001 - 5.500                       3,526    646,156,470          50.64          7.013            357          81.51            615
5.501 - 6.000                       1,910    373,247,244          29.25          7.414            357          81.84            619
6.001 - 6.500                         715    115,564,202           9.06          7.904            357          78.66            575
6.501 - 7.000                         467     69,952,565           5.48          8.307            357          74.11            569
7.001 - 7.500                         108     16,769,501           1.31          8.719            356          83.53            577
7.501 - 8.000                          49      6,815,403           0.53          8.954            356          84.66            568
8.001 - 8.500                          26      4,007,512           0.31          9.806            356          78.19            560
8.501 - 9.000                          11      1,820,843           0.14          9.922            356          81.44            564
9.501 - 10.000                          3        475,902           0.04         10.176            356          64.40            544
------------------------------------------------------------------------------------------------------------------------------------
Total:                              6,994  1,275,983,391         100.00          7.283            356          80.93            611
------------------------------------------------------------------------------------------------------------------------------------
Non-Zero Minimum: 1.605
Maximum: 9.990
Non-Zero Weighted
Average: 5.652

10. Range of Minimum Mortgage Rates (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                               Pool by
                                              Aggregate       Aggregate        Weighted      Weighted       Weighted
                                   Number      Cut-off         Cut-off         Average       Average        Average        Weighted
                                     of         Date             Date           Gross       Remaining         Comb         Average
Range of Minimum                  Mortgage    Principal       Principal        Interest        Term         Original         FICO
Mortgage Rates (%)                 Loans     Balance ($)       Balance         Rate (%)      (months)         LTV           Score
------------------------------------------------------------------------------------------------------------------------------------
<=5.000                                52     15,189,573           1.19          4.726            307          80.57            727
5.001 - 5.500                         131     33,677,085           2.64          5.363            353          77.95            648
5.501 - 6.000                         418     99,757,410           7.82          5.848            356          77.58            637
6.001 - 6.500                         759    160,752,728          12.60          6.331            357          78.83            632
6.501 - 7.000                       1,246    248,923,142          19.51          6.816            357          80.69            625
7.001 - 7.500                       1,217    225,506,795          17.67          7.297            357          81.25            611
7.501 - 8.000                       1,291    226,826,121          17.78          7.799            357          82.93            600
8.001 - 8.500                         719    114,878,285           9.00          8.285            357          82.72            584
8.501 - 9.000                         678     95,159,911           7.46          8.778            357          82.79            575
9.001 - 9.500                         211     26,177,948           2.05          9.260            357          81.93            559
9.501 - 10.000                        134     16,344,364           1.28          9.799            357          79.41            547
10.001 -10.500                         56      5,530,118           0.43         10.270            357          76.00            549
10.501 - 11.000                        36      3,650,419           0.29         10.792            357          74.22            539
11.001 - 11.500                        27      2,093,998           0.16         11.297            350          74.92            530
11.501 - 12.000                         8        772,028           0.06         11.774            357          74.49            529
12.001 - 12.500                         6        446,120           0.03         12.170            357          77.02            528
12.501 - 13.000                         4        248,367           0.02         12.749            357          72.13            518
13.001 - 13.500                         1         48,978           0.00         13.055            358          70.00            542
------------------------------------------------------------------------------------------------------------------------------------
Total:                              6,994  1,275,983,391         100.00          7.283            356          80.93            611
------------------------------------------------------------------------------------------------------------------------------------
Non-Zero Minimum: 4.030
Maximum: 13.055
Non-Zero Weighted
Average: 7.282

11. Range of Maximum Mortgage Rates (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                               Pool by
                                              Aggregate       Aggregate        Weighted      Weighted       Weighted
                                   Number      Cut-off         Cut-off         Average       Average        Average        Weighted
                                     of         Date             Date           Gross       Remaining         Comb         Average
Range of Maximum                  Mortgage    Principal       Principal        Interest        Term         Original         FICO
Mortgage Rates (%)                 Loans     Balance ($)       Balance         Rate (%)      (months)          LTV          Score
------------------------------------------------------------------------------------------------------------------------------------
<= 12.500                             567    127,671,004          10.01          5.797            350          77.60            651
12.501 - 13.000                       687    147,856,140          11.59          6.348            357          78.46            622
13.001 - 13.500                       897    182,852,658          14.33          6.689            357          79.61            625
13.501 - 14.000                     1,188    229,987,248          18.02          7.071            357          81.38            620
14.001 - 14.500                     1,052    191,501,946          15.01          7.484            357          81.93            605
14.501 - 15.000                     1,152    194,883,735          15.27          7.946            357          83.27            595
15.001 - 15.500                       629     94,846,839           7.43          8.452            357          82.79            581
15.501 - 16.000                       548     76,470,801           5.99          8.900            357          83.15            577
16.001 - 16.500                       126     13,882,146           1.09          9.534            357          80.34            560
16.501 - 17.000                        80      9,755,538           0.76         10.131            356          77.13            544
17.001 - 17.500                        39      3,722,289           0.29         10.708            353          79.37            552
17.501 - 18.000                        13      1,217,250           0.10         11.255            357          75.17            543
18.001 - 18.500                         9        687,912           0.05         11.756            357          74.12            526
18.501 - 19.000                         4        400,816           0.03         12.218            357          71.32            531
19.001 - 19.500                         2        156,139           0.01         12.468            357          73.43            534
19.501 - 20.000                         1         90,930           0.01         12.550            357          70.00            508
------------------------------------------------------------------------------------------------------------------------------------
Total:                              6,994  1,275,983,391         100.00          7.283            356          80.93            611
------------------------------------------------------------------------------------------------------------------------------------
Non-Zero Minimum: 10.330
Maximum: 19.550
Non-Zero Weighted
Average: 13.976

12. Initial Periodic Cap (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                               Pool by
                                              Aggregate       Aggregate        Weighted      Weighted       Weighted
                                   Number      Cut-off         Cut-off         Average       Average        Average        Weighted
                                     of         Date             Date           Gross       Remaining         Comb         Average
                                  Mortgage    Principal       Principal        Interest        Term         Original         FICO
Initial Periodic Cap (%)           Loans     Balance ($)       Balance         Rate (%)      (months)         LTV           Score
------------------------------------------------------------------------------------------------------------------------------------
1                                      17      2,286,395           0.18          7.239            357          82.17            614
1.5                                 4,680    876,192,704          68.67          7.253            357          81.62            613
3                                   2,242    387,037,552          30.33          7.360            355          79.47            607
5                                      55     10,466,740           0.82          6.985            358          76.61            628
------------------------------------------------------------------------------------------------------------------------------------
Total:                              6,994  1,275,983,391         100.00          7.283            356          80.93            611
------------------------------------------------------------------------------------------------------------------------------------
Non-Zero Minimum: 1.000
Maximum: 5.000
Non-Zero Weighted
Average: 1.983

13. Subsequent Periodic Cap (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                               Pool by
                                              Aggregate       Aggregate        Weighted      Weighted       Weighted
                                   Number      Cut-off         Cut-off         Average       Average        Average        Weighted
                                     of         Date             Date           Gross       Remaining         Comb         Average
                                  Mortgage    Principal       Principal        Interest        Term         Original         FICO
Subsequent Periodic Cap (%)        Loans     Balance ($)       Balance         Rate (%)      (months)         LTV           Score
------------------------------------------------------------------------------------------------------------------------------------
1                                   2,262    384,230,515          30.11          7.452            357          79.34            603
1.5                                 4,680    876,192,704          68.67          7.253            357          81.62            613
3                                      52     15,560,172           1.22          4.816            297          81.03            725
------------------------------------------------------------------------------------------------------------------------------------
Total:                              6,994  1,275,983,391         100.00          7.283            356          80.93            611
------------------------------------------------------------------------------------------------------------------------------------
Non-Zero Minimum: 1.000
Maximum: 3.000
Non-Zero Weighted Average: 1.368

14. Next Rate Adjustment Dates

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                               Pool by
                                              Aggregate       Aggregate        Weighted      Weighted       Weighted
                                   Number      Cut-off         Cut-off         Average       Average        Average        Weighted
                                     of         Date             Date           Gross       Remaining         Comb         Average
                                  Mortgage    Principal       Principal        Interest        Term         Original         FICO
Next Rate Adjustment Date          Loans      Balance ($)       Balance        Rate (%)      (months)          LTV          Score
------------------------------------------------------------------------------------------------------------------------------------
Dec-04                                 52     15,560,172           1.22          4.816            297          81.03            725
Apr-06                                  2        483,107           0.04          6.914            353          88.97            678
May-06                                 18      3,761,474           0.29          6.367            354          80.24            611
Jun-06                                 64     12,186,042           0.96          6.730            355          79.91            624
Jul-06                                597    110,704,245           8.68          7.447            356          80.40            604
Aug-06                              4,511    838,634,243          65.72          7.299            357          80.99            609
Sep-06                                727    121,624,142           9.53          7.403            358          79.87            603
Apr-07                                  1        133,211           0.01          5.875            353          80.00            693
May-07                                  8      1,581,419           0.12          7.910            354          86.61            611
Jun-07                                 86     13,360,394           1.05          7.109            355          84.80            620
Jul-07                                301     49,812,729           3.90          7.547            356          82.86            617
Aug-07                                542     93,302,461           7.31          7.212            357          81.30            621
Sep-07                                 28      3,989,482           0.31          7.561            358          80.64            609
May-09                                  1         46,550           0.00          7.780            354          85.00            635
Jul-09                                  1        159,200           0.01          6.530            356          80.00            681
Aug-09                                 20      4,090,815           0.32          6.917            357          76.76            632
Sep-09                                 35      6,553,706           0.51          6.973            358          76.19            626
------------------------------------------------------------------------------------------------------------------------------------
Total:                              6,994  1,275,983,391         100.00          7.283            356          80.93            611
------------------------------------------------------------------------------------------------------------------------------------

15. Geographic Distribution of Mortgaged Properties

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                               Pool by
                                              Aggregate       Aggregate        Weighted      Weighted       Weighted
                                   Number      Cut-off         Cut-off         Average       Average        Average        Weighted
                                     of         Date             Date           Gross       Remaining         Comb         Average
Geographic Distribution           Mortgage    Principal       Principal        Interest        Term         Original         FICO
of Mortgaged Properties            Loans     Balance ($)       Balance         Rate (%)      (months)         LTV           Score
------------------------------------------------------------------------------------------------------------------------------------
California                          1,808    469,201,905          36.77          6.895            355          79.15            618
Florida                               974    145,362,488          11.39          7.434            357          81.95            605
New York                              267     61,047,619           4.78          7.325            357          79.41            612
New Jersey                            231     50,582,053           3.96          7.477            357          80.34            608
Texas                                 417     47,521,454           3.72          7.793            357          81.06            601
Maryland                              182     35,682,165           2.80          7.706            357          81.54            599
Nevada                                177     35,376,187           2.77          7.344            357          82.25            615
Massachusetts                         145     35,012,813           2.74          7.236            357          82.16            619
Virginia                              168     33,620,907           2.63          7.612            357          81.37            610
Washington                            191     33,519,867           2.63          7.120            357          81.93            617
Illinois                              201     33,330,435           2.61          7.677            357          82.89            602
Arizona                               171     24,253,969           1.90          7.336            357          83.36            612
Michigan                              193     22,574,926           1.77          7.888            357          82.24            596
Ohio                                  203     21,936,835           1.72          7.796            356          84.19            596
Georgia                               127     19,546,108           1.53          7.525            357          82.84            609
Other                               1,539    207,413,660          16.26          7.564            356          82.75            607
------------------------------------------------------------------------------------------------------------------------------------
Total:                              6,994  1,275,983,391         100.00          7.283            356          80.93            611
------------------------------------------------------------------------------------------------------------------------------------
Number of States/District
of Columbia Represented: 51

16. Occupancy

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                               Pool by
                                              Aggregate       Aggregate        Weighted      Weighted       Weighted
                                   Number      Cut-off         Cut-off         Average       Average        Average        Weighted
                                     of         Date             Date           Gross       Remaining         Comb         Average
                                  Mortgage    Principal       Principal        Interest        Term         Original         FICO
Occupancy                          Loans     Balance ($)       Balance         Rate (%)      (months)         LTV           Score
------------------------------------------------------------------------------------------------------------------------------------
Primary                             6,521  1,198,560,044          93.93          7.260            356          80.95            609
Investment                            418     66,558,761           5.22          7.668            357          80.57            644
Second Home                            55     10,864,586           0.85          7.407            355          81.10            634
------------------------------------------------------------------------------------------------------------------------------------
Total:                              6,994  1,275,983,391         100.00          7.283            356          80.93            611
------------------------------------------------------------------------------------------------------------------------------------

17. Property Type

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                               Pool by
                                              Aggregate       Aggregate        Weighted      Weighted       Weighted
                                   Number      Cut-off         Cut-off         Average       Average        Average        Weighted
                                     of         Date             Date           Gross       Remaining         Comb         Average
                                  Mortgage    Principal       Principal        Interest        Term         Original         FICO
Property Type                      Loans     Balance ($)       Balance         Rate (%)      (months)         LTV           Score
------------------------------------------------------------------------------------------------------------------------------------
Single Family Residence             5,519    981,269,947          76.90          7.294            356          80.82            607
Planned Unit Development              561    114,561,983           8.98          7.120            356          82.45            616
2-4 Family                            427     95,816,441           7.51          7.386            357          79.90            631
Condo                                 487     84,335,020           6.61          7.261            356          81.27            623
------------------------------------------------------------------------------------------------------------------------------------
Total:                              6,994  1,275,983,391         100.00          7.283            356          80.93            611
------------------------------------------------------------------------------------------------------------------------------------

18. Loan Purpose

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                               Pool by
                                              Aggregate       Aggregate        Weighted      Weighted       Weighted
                                   Number      Cut-off         Cut-off         Average       Average        Average        Weighted
                                     of         Date             Date           Gross       Remaining         Comb         Average
                                  Mortgage    Principal       Principal        Interest        Term         Original         FICO
Loan Purpose                       Loans     Balance ($)       Balance         Rate (%)      (months)         LTV           Score
------------------------------------------------------------------------------------------------------------------------------------
Refinance - Cashout                 3,929    725,288,533          56.84          7.298            356          79.09            593
Purchase                            2,699    498,337,201          39.06          7.245            356          83.52            639
Refinance - Rate Term                 366     52,357,656           4.10          7.431            356          81.75            596
------------------------------------------------------------------------------------------------------------------------------------
Total:                              6,994  1,275,983,391         100.00          7.283            356          80.93            611
------------------------------------------------------------------------------------------------------------------------------------

19. Documentation Level

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                               Pool by
                                              Aggregate       Aggregate        Weighted      Weighted       Weighted
                                   Number      Cut-off         Cut-off         Average       Average        Average        Weighted
                                     of         Date             Date           Gross       Remaining         Comb         Average
                                  Mortgage    Principal       Principal        Interest        Term         Original         FICO
Documentation Level                Loans     Balance ($)       Balance         Rate (%)      (months)         LTV           Score
------------------------------------------------------------------------------------------------------------------------------------
Full                                3,909    661,831,739          51.87          7.153            356          81.46            594
Stated Documentation                2,854    566,802,133          44.42          7.450            356          80.23            631
Limited                               231     47,349,519           3.71          7.099            357          81.82            607
------------------------------------------------------------------------------------------------------------------------------------
Total:                              6,994  1,275,983,391         100.00          7.283            356          80.93            611
------------------------------------------------------------------------------------------------------------------------------------

20. Credit Score

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                               Pool by
                                              Aggregate       Aggregate        Weighted      Weighted       Weighted
                                   Number      Cut-off         Cut-off         Average       Average        Average        Weighted
                                     of         Date             Date           Gross       Remaining         Comb         Average
                                  Mortgage    Principal       Principal        Interest        Term         Original         FICO
Credit Score                       Loans     Balance ($)       Balance         Rate (%)      (months)          LTV          Score
------------------------------------------------------------------------------------------------------------------------------------
500 - 524                             571     83,744,825           6.56          8.427            357          74.19            513
525 - 549                             815    130,712,605          10.24          8.064            357          76.43            537
550 - 574                             970    163,697,960          12.83          7.651            357          80.30            562
575 - 599                             955    164,285,300          12.88          7.338            357          80.92            587
600 - 624                           1,096    216,512,107          16.97          6.909            357          82.12            612
625 - 649                           1,055    205,030,568          16.07          7.045            357          83.28            637
650 - 674                             698    137,198,282          10.75          6.954            356          82.48            661
675 - 699                             395     80,172,932           6.28          6.904            355          82.64            686
700 - 724                             225     47,181,666           3.70          6.639            350          82.78            711
725 - 749                             119     24,628,154           1.93          6.691            350          82.87            737
750 - 774                              61     14,208,899           1.11          6.723            350          82.97            761
775 - 799                              30      7,488,074           0.59          6.236            339          81.33            785
800 +                                   4      1,122,019           0.09          5.979            357          80.00            809
------------------------------------------------------------------------------------------------------------------------------------
Total:                              6,994  1,275,983,391         100.00          7.283            356          80.93            611
------------------------------------------------------------------------------------------------------------------------------------
Minimum: 500
Maximum: 813
Non-Zero Weighted
Average: 611

21. Prepayment Penalty Term

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                               Pool by
                                              Aggregate       Aggregate        Weighted      Weighted       Weighted
                                   Number      Cut-off         Cut-off         Average       Average        Average        Weighted
                                     of         Date             Date           Gross       Remaining         Comb         Average
                                  Mortgage    Principal       Principal        Interest        Term         Original         FICO
Prepayment Penalty Term            Loans     Balance ($)       Balance         Rate (%)      (months)         LTV           Score
------------------------------------------------------------------------------------------------------------------------------------
0                                   1,521    274,211,692          21.49          7.524            354          80.58            616
6                                       2        257,248           0.02          9.209            356          82.89            556
12                                    147     32,125,556           2.52          7.316            357          81.54            620
18                                      1        225,000           0.02          6.890            356          90.00            632
24                                  4,261    784,966,996          61.52          7.197            357          80.81            607
30                                      1        321,983           0.03          7.250            356          85.00            540
36                                  1,033    179,878,355          14.10          7.266            356          81.81            619
60                                     28      3,996,561           0.31          7.951            356          83.03            576
------------------------------------------------------------------------------------------------------------------------------------
Total:                              6,994  1,275,983,391         100.00          7.283            356          80.93            611
------------------------------------------------------------------------------------------------------------------------------------
Non-Zero Minimum: 6
Maximum: 60
Non-Zero Weighted
Average: 26

22. Lien Position

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                               Pool by
                                              Aggregate       Aggregate        Weighted      Weighted       Weighted
                                   Number      Cut-off         Cut-off         Average       Average        Average        Weighted
                                     of         Date             Date           Gross       Remaining         Comb         Average
Lien                              Mortgage    Principal       Principal        Interest        Term         Original         FICO
Position                           Loans     Balance ($)       Balance         Rate (%)      (months)         LTV           Score
------------------------------------------------------------------------------------------------------------------------------------
1st Lien                            6,994  1,275,983,391         100.00          7.283            356          80.93            611
------------------------------------------------------------------------------------------------------------------------------------
Total:                              6,994  1,275,983,391         100.00          7.283            356          80.93            611
------------------------------------------------------------------------------------------------------------------------------------

23. Interest Only Term

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                               Pool by
                                              Aggregate       Aggregate        Weighted      Weighted       Weighted
                                   Number      Cut-off         Cut-off         Average       Average        Average        Weighted
                                     of         Date             Date           Gross       Remaining         Comb         Average
                                  Mortgage    Principal       Principal        Interest       Term          Original         FICO
Interest Only Term                 Loans     Balance ($)       Balance         Rate (%)      (months)         LTV           Score
------------------------------------------------------------------------------------------------------------------------------------
0                                   6,267  1,090,476,638          85.46          7.418            357          80.72            603
24                                    398    105,747,096           8.29          6.664            357          82.65            653
36                                     57     14,162,966           1.11          6.444            357          82.47            647
60                                    220     50,036,519           3.92          6.639            357          81.32            648
120                                    52     15,560,172           1.22          4.816            297          81.03            725
------------------------------------------------------------------------------------------------------------------------------------
Total:                              6,994  1,275,983,391         100.00          7.283            356          80.93            611
------------------------------------------------------------------------------------------------------------------------------------


This information is being delivered to a specific number of prospective sophisticated investors in order to assist them in determining whether they have an interest in the type of security described herein. It has been prepared solely for information purposes and is not an offer to buy or sell or a solicitation of an offer to buy or sell any security or instrument or to participate in any trading strategy. This material is based on information that Morgan Stanley & Co. Incorporated ("Morgan Stanley") considers reliable. Morgan Stanley makes no representation or warranty with respect to the accuracy or completeness of the information, or with respect to the terms of any future offer of securities conforming to the terms hereof. Any such offer of securities would be made pursuant to a definitive Prospectus or Private Placement Memorandum, as the case may be, prepared by the issuer which could contain material information not contained herein and to which the prospective purchasers are referred. In the event of any such offering, this information shall be deemed superseded, amended and supplemented in its entirety by such Prospectus or Private Placement Memorandum. Such Prospectus or Private Placement Memorandum will contain all material information in respect of any securities offered thereby and any decision to invest in such securities should be made solely in reliance upon such Prospectus or Private Placement Memorandum. The information contained here in may be based on certain assumptions regarding market conditions and other matters and is therefore subject to change. We make no representations regarding the reasonableness of such assumptions or the likelihood that any of such assumptions will coincide with actual market conditions or events, and this material should not be relied on for such purposes. No representation is made that any returns indicated will be achieved. Changes to the assumptions may have a material impact on any returns detailed. Morgan Stanley disclaims any and all liability relating to this information, including without limitation any express or implied representations or warranties for, statements contained in, and omissions from the information contained here in. Additional information is available upon request. Morgan Stanley and others associated with it may have positions in, and may effect transaction in, securities and instruments of issuers mentioned herein and may also perform or seek to perform investment banking services for the issuers of such securities and instruments. Past performance is not necessarily indicative of future results. Price and availability are subject to change without notice. Information contained in this material is current as of the date appearing on this material only. Information in this material regarding any assets backing any securities discussed herein supercedes all prior information regarding such assets. Morgan Stanley is acting as the lead underwriter and not acting as agent for the issuer or its affiliates in connection with the proposed transaction. To our readers worldwide: In addition, please note that this publication has been issued by Morgan Stanley, approved by Morgan Stanley International Limited, a member of The Securities and Futures Authority, and by Morgan Stanley Japan Ltd. We recommend that such investors obtain the advice of their Morgan Stanley, Morgan Stanley International or Morgan Stanley Japan Ltd. representative about the investments concerned. NOT FOR DISTRIBUTION TO PRIVATE CUSTOMERS AS DEFINED BY THE U.K. SECURITIES AND FUTURES AUTHORITY.


MORGAN STANLEY
MSAC 2004-HE9
Group 3 Interest Only Loans

Table of Contents

1. Summary Statistics
2. Originator
3. Product Types
4. Range of Gross Interest Rates (%)
5. Range of Cut-off Date Principal Balances ($)
6. Stated Original Term (months)
7. Range of Stated Remaining Terms (months)
8. Range of Combined Original LTV Ratios (%)
9. Range of Gross Margins (%)
10. Range of Minimum Mortgage Rates (%)
11. Range of Maximum Mortgage Rates (%)
12. Initial Periodic Cap (%)
13. Subsequent Periodic Cap (%)
14. Next Rate Adjustment Dates
15. Geographic Distribution of Mortgaged Properties
16. Occupancy
17. Property Type
18. Loan Purpose
19. Documentation Level
20. Credit Score
21. Prepayment Penalty Term
22. Lien Position
23. Interest Only Term

1. Summary Statistics

Number of Mortgage Loans: 496
Aggregate Principal Balance ($): 137,262,776 Weighted Average Current Mortgage Rate (%): 6.424 Non-Zero Weighted Average Margin (%): 5.215 Non-Zero Weighted Average Maximum Rate (%): 13.274 Weighted Average Stated Original Term (months): 355 Weighted Average Stated Remaining Term (months): 352 Weighted Average Combined Original LTV (%): 81.88 % First Liens: 100.00
% Owner Occupied: 98.93
% Purchase: 53.88
% Full Doc: 58.60
Weighted Average Credit Score: 658

2. Originator

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                               Pool by
                                                 Aggregate    Aggregate     Weighted     Weighted     Weighted
                                      Number      Cut-off      Cut-off      Average      Average      Average      Weighted
                                        of         Date         Date         Gross      Remaining       Comb       Average
                                     Mortgage    Principal    Principal     Interest       Term       Original       FICO
Originator                            Loans     Balance ($)    Balance      Rate (%)     (months)       LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
Aames                                      91   21,482,143        15.65        6.739          358        79.12          644
Accredited                                180   40,937,081        29.82        6.484          356        82.11          657
New Century                               225   74,843,551        54.53        6.301          348        82.55          663
------------------------------------------------------------------------------------------------------------------------------------
Total:                                    496  137,262,776       100.00        6.424          352        81.88          658
------------------------------------------------------------------------------------------------------------------------------------

3. Product Types

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                               Pool by
                                                 Aggregate    Aggregate     Weighted     Weighted     Weighted
                                      Number      Cut-off      Cut-off      Average      Average      Average      Weighted
                                        of         Date         Date         Gross      Remaining       Comb       Average
                                     Mortgage    Principal    Principal     Interest       Term       Original       FICO
Product Types                         Loans     Balance ($)    Balance      Rate (%)     (months)        LTV        Score
------------------------------------------------------------------------------------------------------------------------------------
ARM - 2 Year IO/6 Month                   315   92,656,824        67.50        6.558          357        81.78          651
ARM - 3 Year IO/6 Month                    94   21,149,000        15.41        6.689          356        84.15          649
ARM - 5 Year IO/6 Month                     4      688,800         0.50        6.824          357        78.03          634
ARM - 10 Year IO/1 Month                   32   10,385,446         7.57        4.817          297        80.56          728
Interest Only Fixed - 30 Year              51   12,382,706         9.02        6.301          356         80.1          671
------------------------------------------------------------------------------------------------------------------------------------
Total:                                    496  137,262,776       100.00        6.424          352        81.88          658
------------------------------------------------------------------------------------------------------------------------------------

4. Range of Gross Interest Rates (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                               Pool by
                                                 Aggregate    Aggregate     Weighted     Weighted     Weighted
                                      Number      Cut-off      Cut-off      Average      Average      Average      Weighted
                                        of         Date         Date         Gross      Remaining       Comb       Average
                                     Mortgage    Principal    Principal     Interest       Term       Original      FICO
Range of Gross Interest Rates(%)      Loans     Balance ($)    Balance      Rate (%)     (months)        LTV        Score
------------------------------------------------------------------------------------------------------------------------------------
4.000 - 4.999                              30    9,556,370         6.96        4.708          302         80.8          735
5.000 - 5.999                             120   34,548,936        25.17        5.668          353         78.8          653
6.000 - 6.999                             233   63,155,731        46.01        6.554          357        81.75          654
7.000 - 7.999                              99   26,514,519        19.32        7.459          357        85.88          649
8.000 - 8.999                              14    3,487,220         2.54        8.414          357        87.39          649
------------------------------------------------------------------------------------------------------------------------------------
Total:                                    496  137,262,776       100.00        6.424          352        81.88          658
------------------------------------------------------------------------------------------------------------------------------------
Minimum: 4.125
Maximum: 8.650
Weighted Average: 6.424

5. Range of Cut-off Date Principal Balances ($)

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                               Pool by
                                                 Aggregate    Aggregate     Weighted     Weighted     Weighted
                                      Number      Cut-off      Cut-off      Average      Average      Average      Weighted
                                        of         Date          Date        Gross      Remaining       Comb       Average
Range of Cut-off Date Principal      Mortgage    Principal    Principal     Interest       Term       Original       FICO
Balances ($)                          Loans     Balance ($)    Balance      Rate (%)     (months)       LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
75,001 - 100,000                           19    1,734,371         1.26        6.833          357        79.64          659
100,001 - 125,000                          24    2,764,359         2.01        6.631          354        82.09          654
125,001 - 150,000                          52    7,190,855         5.24        6.548          354        81.62          649
150,001 - 175,000                          43    6,966,159         5.08        6.523          357        81.04          656
175,001 - 200,000                          39    7,320,433         5.33        6.549          352        80.07          658
200,001 - 225,000                          32    6,886,103         5.02        6.421          349        80.01          657
225,001 - 250,000                          27    6,394,351         4.66        6.753          354        83.59          646
250,001 - 275,000                          31    8,188,494         5.97        6.248          353        80.16          653
275,001 - 300,000                          28    7,980,535         5.81        6.435          355        82.69          655
300,001 - 325,000                          13    4,115,400         3.00        6.683          357        82.02          659
325,001 - 350,000                          33   11,202,473         8.16        6.370          355        80.03          655
350,001 - 375,000                          36   13,065,577         9.52        6.312          350        82.66          653
375,001 - 400,000                          42   16,295,049        11.87        6.262          351        82.36          663
400,001 - 425,000                          19    7,863,748         5.73        6.286          344        81.29          665
425,001 - 450,000                          10    4,386,337         3.20        6.686          351        83.24          644
450,001 - 475,000                          13    6,039,650         4.40        6.459          352        85.77          663
475,001 - 500,000                          22   10,853,131         7.91        6.313          351        83.59          678
500,001 - 750,000                          13    8,015,750         5.84        6.435          352        80.98          663
------------------------------------------------------------------------------------------------------------------------------------
Total:                                    496  137,262,776       100.00        6.424          352        81.88          658
------------------------------------------------------------------------------------------------------------------------------------
Minimum: 76,800
Maximum: 750,000
Average: 276,739

6. Stated Original Term (months)

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                               Pool by
                                                 Aggregate    Aggregate     Weighted     Weighted     Weighted
                                      Number      Cut-off      Cut-off      Average      Average      Average      Weighted
                                        of         Date         Date         Gross      Remaining       Comb       Average
                                     Mortgage    Principal    Principal     Interest       Term       Original       FICO
Stated Original Term (months)         Loans     Balance ($)    Balance      Rate (%)     (months)        LTV        Score
------------------------------------------------------------------------------------------------------------------------------------
300                                        32   10,385,446         7.57        4.817          297        80.56          728
360                                       464  126,877,330        92.43        6.556          357        81.99          653
------------------------------------------------------------------------------------------------------------------------------------
Total:                                    496  137,262,776       100.00        6.424          352        81.88          658
------------------------------------------------------------------------------------------------------------------------------------
Minimum: 300
Maximum: 360
Weighted Average: 355

7. Range of Stated Remaining Terms (months)

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                               Pool by
                                                 Aggregate    Aggregate     Weighted     Weighted     Weighted
                                      Number      Cut-off      Cut-off      Average      Average      Average      Weighted
                                        of         Date         Date         Gross      Remaining       Comb       Average
Range of Stated Remaining Terms      Mortgage    Principal    Principal     Interest       Term       Original       FICO
(months)                              Loans     Balance ($)    Balance      Rate (%)     (months)       LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
289 - 300                                  32   10,385,446         7.57        4.817          297        80.56          728
349 - 360                                 464  126,877,330        92.43        6.556          357        81.99          653
------------------------------------------------------------------------------------------------------------------------------------
Total:                                    496  137,262,776       100.00        6.424          352        81.88          658
------------------------------------------------------------------------------------------------------------------------------------
Minimum: 297
Maximum: 358
Weighted Average: 352

8. Range of Combined Original LTV Ratios (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                               Pool by
                                                 Aggregate    Aggregate     Weighted     Weighted     Weighted
                                      Number      Cut-off      Cut-off      Average      Average      Average      Weighted
                                        of         Date         Date         Gross      Remaining       Comb       Average
Range of Combined Original           Mortgage    Principal    Principal     Interest      Term        Original       FICO
LTV Ratios (%)                        Loans     Balance ($)    Balance      Rate (%)     (months)       LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
40.01 - 45.00                               2      365,000         0.27        5.679          320        42.94          660
45.01 - 50.00                               2      445,000         0.32        5.865          357         47.1          659
50.01 - 55.00                               1      345,800         0.25        5.950          357        50.12          677
55.01 - 60.00                               4    1,346,000         0.98        6.458          357        57.98          624
60.01 - 65.00                               9    2,443,885         1.78        5.482          335        62.55          671
65.01 - 70.00                              10    3,403,556         2.48        5.935          350        68.56          621
70.01 - 75.00                              16    5,338,966         3.89        6.093          353        73.66          657
75.01 - 80.00                             299   74,162,751        54.03        6.390          355        79.87          661
80.01 - 85.00                              49   17,195,172        12.53        6.049          340        84.28          665
85.01 - 90.00                              65   21,417,938        15.60        6.730          352        89.57          657
90.01 - 95.00                              25    7,846,015         5.72        7.222          357        94.56          639
95.01 - 100.00                             14    2,952,693         2.15        7.285          356        99.83          662
------------------------------------------------------------------------------------------------------------------------------------
Total:                                    496  137,262,776       100.00        6.424          352        81.88          658
------------------------------------------------------------------------------------------------------------------------------------
Minimum: 42.42
Maximum: 100.00
Weighted Average: 81.88

9. Range of Gross Margins (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                               Pool by
                                                 Aggregate    Aggregate     Weighted     Weighted     Weighted
                                      Number      Cut-off      Cut-off      Average      Average      Average      Weighted
                                        of         Date         Date         Gross      Remaining       Comb       Average
                                     Mortgage    Principal    Principal     Interest       Term       Original      FICO
Range of Gross Margins (%)            Loans     Balance ($)    Balance      Rate (%)     (months)       LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
Fixed Rate Loans                           51   12,382,706         9.02        6.301          356         80.1          671
<= 3.500                                   30    9,556,370         6.96        4.708          302         80.8          735
3.501 - 4.000                              11    3,385,076         2.47        5.358          340        81.81          670
4.001 - 4.500                              25    6,176,871         4.50        5.947          349        77.86          648
4.501 - 5.000                              21    4,449,702         3.24        6.243          356        82.02          643
5.001 - 5.500                             239   66,234,432        48.25        6.501          357        81.76          643
5.501 - 6.000                              98   31,049,473        22.62        6.906          357        82.92          666
6.001 - 6.500                              15    2,772,777         2.02        7.549          356           91          637
6.501 - 7.000                               4      627,700         0.46        7.759          356        85.78          661
7.001 - 7.500                               1      300,000         0.22        8.450          356          100          617
7.501 - 8.000                               1      327,670         0.24        8.625          356           80          661
------------------------------------------------------------------------------------------------------------------------------------
Total:                                    496  137,262,776       100.00        6.424          352        81.88          658
------------------------------------------------------------------------------------------------------------------------------------
Non-Zero Minimum: 2.750
Maximum: 7.625
Non-Zero Weighted Average: 5.215

10. Range of Minimum Mortgage Rates (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                               Pool by
                                                 Aggregate    Aggregate     Weighted     Weighted     Weighted
                                      Number      Cut-off      Cut-off      Average      Average      Average      Weighted
                                        of         Date         Date         Gross      Remaining       Comb       Average
Range of Minimum Mortgage            Mortgage    Principal    Principal     Interest       Term       Original       FICO
Rates (%)                             Loans     Balance ($)    Balance      Rate (%)     (months)       LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
Fixed Rate Loans                           51   12,382,706         9.02        6.301          356         80.1          671
<=5.000                                    32    9,813,170         7.15        4.715          304        80.78          734
5.001 - 5.500                              34   10,887,028         7.93        5.377          351        79.47          662
5.501 - 6.000                              78   22,293,446        16.24        5.834          355        79.04          641
6.001 - 6.500                              83   22,761,394        16.58        6.336          357         81.5          646
6.501 - 7.000                             108   29,733,694        21.66        6.793          357        82.04          658
7.001 - 7.500                              62   16,858,810        12.28        7.302          357        85.11          653
7.501 - 8.000                              34    9,045,309         6.59        7.769          357        87.72          643
8.001 - 8.500                               9    2,214,200         1.61        8.303          357        87.53          646
8.501 - 9.000                               5    1,273,020         0.93        8.607          357        87.15          655
------------------------------------------------------------------------------------------------------------------------------------
Total:                                    496  137,262,776       100.00        6.424          352        81.88          658
------------------------------------------------------------------------------------------------------------------------------------
Non-Zero Minimum: 4.030
Maximum: 8.650
Non-Zero Weighted Average: 6.434

11. Range of Maximum Mortgage Rates (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                               Pool by
                                                 Aggregate    Aggregate     Weighted     Weighted     Weighted
                                      Number      Cut-off      Cut-off      Average      Average      Average      Weighted
                                        of         Date         Date         Gross      Remaining       Comb       Average
Range of Maximum Mortgage            Mortgage    Principal    Principal     Interest       Term       Original       FICO
Rates (%)                             Loans     Balance ($)    Balance      Rate (%)     (months)       LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
Fixed Rate Loans                           51   12,382,706         9.02        6.301          356         80.1          671
<= 12.500                                 105   30,858,706        22.48        5.418          337        79.01          679
12.501 - 13.000                            87   23,244,315        16.93        6.048          357        79.78          636
13.001 - 13.500                            78   21,331,431        15.54        6.516          357        82.47          649
13.501 - 14.000                            90   25,872,587        18.85        6.855          357        82.61          661
14.001 - 14.500                            48   13,355,952         9.73        7.369          357        86.02          657
14.501 - 15.000                            28    7,945,809         5.79        7.815          357        89.23          644
15.001 - 15.500                             5    1,344,750         0.98        8.321          357         89.7          633
15.501 - 16.000                             4      926,520         0.67        8.617          356        86.08          644
------------------------------------------------------------------------------------------------------------------------------------
Total:                                    496  137,262,776       100.00        6.424          352        81.88          658
------------------------------------------------------------------------------------------------------------------------------------
Non-Zero Minimum: 11.250
Maximum: 15.650
Non-Zero Weighted
Average: 13.274

12. Initial Periodic Cap (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                               Pool by
                                                 Aggregate    Aggregate     Weighted     Weighted     Weighted
                                      Number      Cut-off      Cut-off      Average      Average      Average      Weighted
                                        of         Date         Date         Gross      Remaining       Comb       Average
                                     Mortgage    Principal    Principal     Interest       Term       Original       FICO
Initial Periodic Cap (%)              Loans     Balance ($)    Balance      Rate (%)     (months)        LTV        Score
------------------------------------------------------------------------------------------------------------------------------------
Fixed Rate Loans                           51   12,382,706         9.02        6.301          356         80.1          671
1.5                                       322   93,012,481        67.76        6.547          357         82.9          652
3                                         119   31,178,789        22.71        6.097          337        79.62          672
5                                           4      688,800         0.50        6.824          357        78.03          634
------------------------------------------------------------------------------------------------------------------------------------
Total:                                    496  137,262,776       100.00        6.424          352        81.88          658
------------------------------------------------------------------------------------------------------------------------------------
Non-Zero Minimum: 1.500
Maximum: 5.000
Non-Zero Weighted Average: 1.894

13. Subsequent Periodic Cap (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                               Pool by
                                                 Aggregate    Aggregate     Weighted     Weighted     Weighted
                                      Number      Cut-off      Cut-off      Average      Average      Average      Weighted
                                        of         Date         Date         Gross      Remaining       Comb       Average
                                     Mortgage    Principal    Principal     Interest       Term       Original      FICO
Subsequent Periodic Cap (%)           Loans     Balance ($)    Balance      Rate (%)     (months)       LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
Fixed Rate Loans                           51   12,382,706         9.02        6.301          356         80.1          671
1                                          91   21,482,143        15.65        6.739          358        79.12          644
1.5                                       322   93,012,481        67.76        6.547          357         82.9          652
3                                          32   10,385,446         7.57        4.817          297        80.56          728
------------------------------------------------------------------------------------------------------------------------------------
Total:                                    496  137,262,776       100.00        6.424          352        81.88          658
------------------------------------------------------------------------------------------------------------------------------------
Non-Zero Minimum: 1.000
Maximum: 3.000
Non-Zero Weighted Average: 1.539

14. Next Rate Adjustment Dates

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                               Pool by
                                                 Aggregate    Aggregate     Weighted     Weighted     Weighted
                                      Number      Cut-off      Cut-off      Average      Average      Average      Weighted
                                        of         Date         Date         Gross      Remaining       Comb       Average
                                     Mortgage    Principal    Principal     Interest       Term       Original       FICO
Next Rate Adjustment Dates            Loans     Balance ($)    Balance      Rate (%)     (months)        LTV        Score
------------------------------------------------------------------------------------------------------------------------------------
Fixed Rate Loans                           51   12,382,706         9.02        6.301          356         80.1          671
Dec-04                                     32   10,385,446         7.57        4.817          297        80.56          728
May-06                                      4    1,626,600         1.19        5.673          354        79.82          617
Jun-06                                     13    3,521,108         2.57        5.828          355        79.75          663
Jul-06                                     49   14,478,067        10.55        6.325          356        81.88          633
Aug-06                                    198   61,632,875        44.90        6.616          357        82.33          656
Sep-06                                     51   11,398,174         8.30        6.886          358        79.54          648
May-07                                      1      167,199         0.12        5.170          354           80          620
Jun-07                                     11    2,941,602         2.14        5.876          355        80.92          636
Jul-07                                     32    7,132,164         5.20        7.009          356         85.8          652
Aug-07                                     50   10,908,035         7.95        6.722          357           84          652
Jul-09                                      1      159,200         0.12        6.530          356           80          681
Aug-09                                      3      529,600         0.39        6.913          357        77.44          619
------------------------------------------------------------------------------------------------------------------------------------
Total:                                    496  137,262,776       100.00        6.424          352        81.88          658
------------------------------------------------------------------------------------------------------------------------------------

15. Geographic Distribution of Mortgaged Properties

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                               Pool by
                                                 Aggregate    Aggregate     Weighted     Weighted     Weighted
                                      Number      Cut-off      Cut-off      Average      Average      Average      Weighted
                                        of         Date         Date         Gross      Remaining       Comb       Average
Geographic Distribution of           Mortgage    Principal    Principal     Interest      Term        Original       FICO
Mortgaged Properties                  Loans     Balance ($)    Balance      Rate (%)     (months)       LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
California                                262   88,456,412        64.44        6.260          350        81.23          662
Florida                                    31    5,209,969         3.80        6.705          355        82.38          652
Washington                                 25    4,776,344         3.48        6.638          357        82.27          660
New York                                   13    4,031,700         2.94        6.754          357        82.23          643
Nevada                                     14    3,530,176         2.57        6.867          356        85.19          662
Arizona                                    22    3,407,411         2.48        6.874          357        84.51          634
Maryland                                   12    3,078,551         2.24        7.060          353        82.53          667
Colorado                                   14    2,744,863         2.00        6.335          356        83.37          638
Georgia                                     7    2,345,706         1.71        6.989          357        85.17          652
Hawaii                                      5    2,048,500         1.49        5.854          356        80.39          649
Oregon                                     13    1,986,569         1.45        6.512          357         81.1          671
Illinois                                    9    1,868,586         1.36        7.071          357        89.39          637
Virginia                                    8    1,684,870         1.23        7.145          356        81.05          651
Minnesota                                   9    1,588,080         1.16        6.451          357           80          646
Michigan                                    9    1,570,700         1.14        6.802          357        83.52          649
Other                                      43    8,934,338         6.51        6.710          353        82.97          655
------------------------------------------------------------------------------------------------------------------------------------
Total:                                    496  137,262,776       100.00        6.424          352        81.88          658
------------------------------------------------------------------------------------------------------------------------------------
Number of States/District of Columbia Represented: 28

16. Occupancy

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                               Pool by
                                                 Aggregate    Aggregate     Weighted     Weighted     Weighted
                                      Number      Cut-off      Cut-off      Average      Average      Average      Weighted
                                        of         Date         Date         Gross      Remaining       Comb       Average
                                     Mortgage    Principal    Principal     Interest       Term       Original       FICO
Occupancy                             Loans     Balance ($)    Balance      Rate (%)     (months)        LTV        Score
------------------------------------------------------------------------------------------------------------------------------------
Primary                                   492  135,789,992        98.93        6.427          352        81.84          658
Second Home                                 4    1,472,784         1.07        6.220          342        85.79          664
------------------------------------------------------------------------------------------------------------------------------------
Total:                                    496  137,262,776       100.00        6.424          352        81.88          658
------------------------------------------------------------------------------------------------------------------------------------

17. Property Type

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                               Pool by
                                                 Aggregate    Aggregate     Weighted     Weighted     Weighted
                                      Number      Cut-off      Cut-off      Average      Average      Average      Weighted
                                        of         Date         Date         Gross      Remaining       Comb       Average
                                     Mortgage    Principal    Principal     Interest       Term       Original       FICO
Property Type                         Loans     Balance ($)    Balance      Rate (%)     (months)        LTV        Score
------------------------------------------------------------------------------------------------------------------------------------
Single Family Residence                   368  102,572,098        74.73        6.416          352        81.54          659
Planned Unit Development                   68   18,395,828        13.40        6.403          353        83.59          653
Condo                                      43   11,475,612         8.36        6.422          352        82.67          659
2-4 Family                                 17    4,819,237         3.51        6.683          356        80.85          655
------------------------------------------------------------------------------------------------------------------------------------
Total:                                    496  137,262,776       100.00        6.424          352        81.88          658
------------------------------------------------------------------------------------------------------------------------------------

18. Loan Purpose

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                               Pool by
                                                 Aggregate    Aggregate     Weighted     Weighted     Weighted
                                      Number      Cut-off      Cut-off      Average      Average      Average      Weighted
                                        of         Date         Date         Gross      Remaining       Comb       Average
                                     Mortgage    Principal    Principal     Interest       Term       Original       FICO
Loan Purpose                          Loans     Balance ($)    Balance      Rate (%)     (months)       LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
Purchase                                  269   73,962,501        53.88        6.439          352        82.38          669
Refinance - Cashout                       203   58,154,680        42.37        6.428          352        81.47          645
Refinance - Rate Term                      24    5,145,595         3.75        6.173          350        79.28          660
------------------------------------------------------------------------------------------------------------------------------------
Total:                                    496  137,262,776       100.00        6.424          352        81.88          658
------------------------------------------------------------------------------------------------------------------------------------

19. Documentation Level

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                               Pool by
                                                 Aggregate    Aggregate     Weighted     Weighted     Weighted
                                      Number      Cut-off      Cut-off      Average      Average      Average      Weighted
                                        of         Date         Date         Gross      Remaining       Comb       Average
                                     Mortgage    Principal    Principal     Interest       Term       Original       FICO
Documentation Level                   Loans     Balance ($)    Balance      Rate (%)     (months)        LTV        Score
------------------------------------------------------------------------------------------------------------------------------------
Full                                      311   80,432,412        58.60        6.247          353        82.25          646
Stated Documentation                      152   47,958,617        34.94        6.759          350        81.63          679
Limited                                    33    8,871,747         6.46        6.221          356         79.9          655
------------------------------------------------------------------------------------------------------------------------------------
Total:                                    496  137,262,776       100.00        6.424          352        81.88          658
------------------------------------------------------------------------------------------------------------------------------------

20. Credit Score

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                               Pool by
                                                 Aggregate    Aggregate     Weighted     Weighted     Weighted
                                      Number      Cut-off      Cut-off      Average      Average      Average      Weighted
                                        of         Date         Date         Gross      Remaining       Comb       Average
                                     Mortgage    Principal    Principal     Interest       Term       Original       FICO
Credit Score                          Loans     Balance ($)    Balance      Rate (%)     (months)       LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
575 - 599                                  18    4,591,420         3.34        6.752          357        80.45          590
600 - 624                                 138   37,173,290        27.08        6.482          356        81.96          613
625 - 649                                  96   26,838,298        19.55        6.687          357        82.23          636
650 - 674                                  97   25,734,090        18.75        6.476          354        81.83          661
675 - 699                                  66   18,957,678        13.81        6.473          353         81.7          686
700 - 724                                  32    9,428,191         6.87        5.744          335        81.59          711
725 - 749                                  25    6,537,217         4.76        6.275          342        81.67          736
750 - 774                                  13    3,581,646         2.61        5.591          336        81.93          763
775 - 799                                   9    3,545,745         2.58        5.782          327        83.18          785
800 +                                       2      875,200         0.64        6.044          357           80          811
------------------------------------------------------------------------------------------------------------------------------------
Total:                                    496  137,262,776       100.00        6.424          352        81.88          658
------------------------------------------------------------------------------------------------------------------------------------
Minimum: 581
Maximum: 813
Non-Zero Weighted Average: 658

21. Prepayment Penalty Term

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                               Pool by
                                                 Aggregate    Aggregate     Weighted     Weighted     Weighted
                                      Number      Cut-off      Cut-off      Average      Average      Average      Weighted
                                        of         Date         Date         Gross      Remaining       Comb       Average
                                     Mortgage    Principal    Principal     Interest       Term       Original       FICO
Prepayment Penalty Term               Loans     Balance ($)    Balance      Rate (%)     (months)       LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
0                                          73   23,169,483        16.88        6.139          330        80.97          684
12                                          8    2,051,748         1.49        6.657          356        85.88          644
18                                          1      225,000         0.16        6.890          356           90          632
24                                        243   72,122,368        52.54        6.476          357        81.91          651
36                                        157   36,812,269        26.82        6.497          356        82.21          657
60                                         14    2,881,907         2.10        6.294          355        80.64          658
------------------------------------------------------------------------------------------------------------------------------------
Total:                                    496  137,262,776       100.00        6.424          352        81.88          658
------------------------------------------------------------------------------------------------------------------------------------
Non-Zero Minimum: 12
Maximum: 60
Non-Zero Weighted Average: 29

22. Lien Position

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                               Pool by
                                                 Aggregate    Aggregate     Weighted     Weighted     Weighted
                                      Number      Cut-off      Cut-off      Average      Average      Average      Weighted
                                        of         Date         Date         Gross      Remaining       Comb       Average
                                     Mortgage    Principal    Principal     Interest       Term       Original       FICO
Position                              Loans     Balance ($)    Balance      Rate (%)     (months)       LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
1st Lien                                  496  137,262,776       100.00        6.424          352        81.88          658
------------------------------------------------------------------------------------------------------------------------------------
Total:                                    496  137,262,776       100.00        6.424          352        81.88          658
------------------------------------------------------------------------------------------------------------------------------------

23. Interest Only Term

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                               Pool by
                                                 Aggregate    Aggregate     Weighted     Weighted     Weighted
                                      Number      Cut-off      Cut-off      Average      Average      Average      Weighted
                                        of         Date         Date         Gross      Remaining       Comb       Average
                                     Mortgage    Principal    Principal     Interest       Term       Original      FICO
Interest Only Term                    Loans     Balance ($)    Balance      Rate (%)     (months)       LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
24                                        169   57,617,316        41.98        6.533          357        82.74          653
36                                         24    6,840,790         4.98        6.602          357        83.93          647
60                                        271   62,419,224        45.47        6.572          357        81.08          652
120                                        32   10,385,446         7.57        4.817          297        80.56          728
------------------------------------------------------------------------------------------------------------------------------------
Total:                                    496  137,262,776       100.00        6.424          352        81.88          658
------------------------------------------------------------------------------------------------------------------------------------

This information is being delivered to a specific number of prospective sophisticated investors in order to assist them in determining whether they have an interest in the type of security described herein. It has been prepared solely for information purposes and is not an offer to buy or sell or a solicitation of an offer to buy or sell any security or instrument or to participate in any trading strategy. This material is based on information that Morgan Stanley & Co. Incorporated ("Morgan Stanley") considers reliable. Morgan Stanley makes no representation or warranty with respect to the accuracy or completeness of the information, or with respect to the terms of any future offer of securities conforming to the terms hereof. Any such offer of securities would be made pursuant to a definitive Prospectus or Private Placement Memorandum, as the case may be, prepared by the issuer which could contain material information not contained herein and to which the prospective purchasers are referred. In the event of any such offering, this information shall be deemed superseded, amended and supplemented in its entirety by such Prospectus or Private Placement Memorandum. Such Prospectus or Private Placement Memorandum will contain all material information in respect of any securities offered thereby and any decision to invest in such securities should be made solely in reliance upon such Prospectus or Private Placement Memorandum. The information contained here in may be based on certain assumptions regarding market conditions and other matters and is therefore subject to change. We make no representations regarding the reasonableness of such assumptions or the likelihood that any of such assumptions will coincide with actual market conditions or events, and this material should not be relied on for such purposes. No representation is made that any returns indicated will be achieved. Changes to the assumptions may have a material impact on any returns detailed. Morgan Stanley disclaims any and all liability relating to this information, including without limitation any express or implied representations or warranties for, statements contained in, and omissions from the information contained here in. Additional information is available upon request. Morgan Stanley and others associated with it may have positions in, and may effect transaction in, securities and instruments of issuers mentioned herein and may also perform or seek to perform investment banking services for the issuers of such securities and instruments. Past performance is not necessarily indicative of future results. Price and availability are subject to change without notice. Information contained in this material is current as of the date appearing on this material only. Information in this material regarding any assets backing any securities discussed herein supercedes all prior information regarding such assets. Morgan Stanley is acting as the lead underwriter and not acting as agent for the issuer or its affiliates in connection with the proposed transaction. To our readers worldwide: In addition, please note that this publication has been issued by Morgan Stanley, approved by Morgan Stanley International Limited, a member of The Securities and Futures Authority, and by Morgan Stanley Japan Ltd. We recommend that such investors obtain the advice of their Morgan Stanley, Morgan Stanley International or Morgan Stanley Japan Ltd. representative about the investments concerned. NOT FOR DISTRIBUTION TO PRIVATE CUSTOMERS AS DEFINED BY THE U.K. SECURITIES AND FUTURES AUTHORITY.


MORGAN STANLEY
MSAC 2004-HE9
Interest Only Loans

Table of Contents

1. Summary Statistics
2. Originator
3. Product Types
4. Range of Gross Interest Rates (%)
5. Range of Cut-off Date Principal Balances ($)
6. Stated Original Term (months)
7. Range of Stated Remaining Terms (months)
8. Range of Combined Original LTV Ratios (%)
9. Range of Gross Margins (%)
10. Range of Minimum Mortgage Rates (%)
11. Range of Maximum Mortgage Rates (%)
12. Initial Periodic Cap (%)
13. Subsequent Periodic Cap (%)
14. Next Rate Adjustment Dates
15. Geographic Distribution of Mortgaged Properties
16. Occupancy
17. Property Type
18. Loan Purpose
19. Documentation Level
20. Credit Score
21. Prepayment Penalty Term
22. Lien Position
23. Interest Only Term

1. Summary Statistics

Number of Mortgage Loans: 778
Aggregate Principal Balance ($): 197,889,459 Weighted Average Current Mortgage Rate (%): 6.474 Non-Zero Weighted Average Margin (%): 5.230 Non-Zero Weighted Average Maximum Rate (%): 13.381 Weighted Average Stated Original Term (months): 355 Weighted Average Stated Remaining Term (months): 352 Weighted Average Combined Original LTV (%): 82.01 % First Liens: 100.00
% Owner Occupied: 99.11
% Purchase: 57.54
% Full Doc: 55.82
Weighted Average Credit Score: 658

2. Originator

------------------------------------------------------------------------------------------------------------------------------------
                                                                   % of
                                                                 Mortgage
                                                                 Pool by
                                                   Aggregate    Aggregate     Weighted     Weighted     Weighted
                                        Number      Cut-off      Cut-off      Average      Average      Average     Weighted
                                          of         Date          Date        Gross      Remaining       Comb      Average
                                       Mortgage    Principal    Principal     Interest       Term       Original      FICO
Originator                              Loans     Balance ($)    Balance      Rate (%)     (months)       LTV        Score
------------------------------------------------------------------------------------------------------------------------------------
Aames                                        91   21,482,143        10.86        6.739          358        79.12          644
Accredited                                  180   40,937,081        20.69        6.484          356        82.11          657
New Century                                 507  135,470,234        68.46        6.429          350        82.44          661
------------------------------------------------------------------------------------------------------------------------------------
Total:                                      778  197,889,459       100.00        6.474          352        82.01          658
------------------------------------------------------------------------------------------------------------------------------------

3. Product Types

------------------------------------------------------------------------------------------------------------------------------------
                                                                   % of
                                                                 Mortgage
                                                                 Pool by
                                                   Aggregate    Aggregate     Weighted     Weighted     Weighted
                                        Number      Cut-off      Cut-off      Average      Average      Average     Weighted
                                          of         Date         Date         Gross      Remaining       Comb      Average
                                       Mortgage    Principal    Principal     Interest       Term       Original      FICO
Product Types                           Loans     Balance ($)    Balance      Rate (%)     (months)       LTV        Score
------------------------------------------------------------------------------------------------------------------------------------
ARM - 2 Year IO/6 Month                     544  140,786,605        71.14        6.648          357        82.04          651
ARM - 3 Year IO/6 Month                     127   28,471,176        14.39        6.588          356        83.36          649
ARM - 5 Year IO/6 Month                       4      688,800         0.35        6.824          357        78.03          634
ARM - 10 Year IO/1 Month                     52   15,560,172         7.86        4.816          297        81.03          725
Interest Only Fixed - 30 Year                51   12,382,706         6.26        6.301          356        80.10          671
------------------------------------------------------------------------------------------------------------------------------------
Total:                                      778  197,889,459       100.00        6.474          352        82.01          658
------------------------------------------------------------------------------------------------------------------------------------

4. Range of Gross Interest Rates (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                   % of
                                                                 Mortgage
                                                                 Pool by
                                                   Aggregate    Aggregate     Weighted     Weighted     Weighted
                                        Number      Cut-off      Cut-off      Average      Average      Average     Weighted
                                          of         Date         Date         Gross      Remaining       Comb      Average
                                       Mortgage    Principal    Principal     Interest       Term       Original      FICO
Range of Gross Interest Rates(%)        Loans     Balance ($)    Balance      Rate (%)     (months)       LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
4.000 - 4.999                                45   13,524,046         6.83        4.693          301        81.15          734
5.000 - 5.999                               175   47,807,977        24.16        5.662          353        79.13          651
6.000 - 6.999                               346   87,424,250        44.18        6.543          357        81.70          654
7.000 - 7.999                               174   41,300,747        20.87        7.469          357        85.29          652
8.000 - 8.999                                36    7,368,939         3.72        8.452          357        87.14          640
9.000 - 9.999                                 2      463,500         0.23        9.050          357        90.00          617
------------------------------------------------------------------------------------------------------------------------------------
Total:                                      778  197,889,459       100.00        6.474          352        82.01          658
------------------------------------------------------------------------------------------------------------------------------------
Minimum: 4.125
Maximum: 9.050
Weighted Average: 6.474

5. Range of Cut-off Date Principal Balances ($)

------------------------------------------------------------------------------------------------------------------------------------
                                                                   % of
                                                                 Mortgage
                                                                 Pool by
                                                   Aggregate    Aggregate     Weighted     Weighted     Weighted
                                        Number      Cut-off      Cut-off      Average      Average      Average      Weighted
                                          of         Date         Date         Gross      Remaining       Comb       Average
Range of Cut-off Date Principal        Mortgage    Principal    Principal     Interest       Term       Original       FICO
Balances ($)                            Loans     Balance ($)    Balance      Rate (%)     (months)       LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
50,001 - 75,000                               1       70,400         0.04        7.750          357        80.00          650
75,001 - 100,000                             27    2,462,830         1.24        6.975          357        80.06          660
100,001 - 125,000                            53    6,018,616         3.04        6.803          356        81.40          657
125,001 - 150,000                            83   11,464,109         5.79        6.688          355        81.67          650
150,001 - 175,000                            72   11,724,713         5.92        6.681          356        82.08          653
175,001 - 200,000                            67   12,568,469         6.35        6.680          353        80.98          654
200,001 - 225,000                            59   12,672,572         6.40        6.633          351        80.91          657
225,001 - 250,000                            58   13,777,120         6.96        6.544          352        81.63          662
250,001 - 275,000                            62   16,358,010         8.27        6.479          354        81.03          649
275,001 - 300,000                            60   17,242,322         8.71        6.212          350        81.94          661
300,001 - 325,000                            35   11,043,986         5.58        6.668          355        84.15          656
325,001 - 350,000                            40   13,523,968         6.83        6.215          351        80.36          658
350,001 - 375,000                            38   13,786,577         6.97        6.321          350        82.91          653
375,001 - 400,000                            43   16,670,299         8.42        6.261          351        82.65          663
400,001 - 425,000                            19    7,863,748         3.97        6.286          344        81.29          665
425,001 - 450,000                            12    5,272,837         2.66        6.777          352        84.38          648
450,001 - 475,000                            14    6,500,001         3.28        6.416          353        85.36          660
475,001 - 500,000                            22   10,853,131         5.48        6.313          351        83.59          678
500,001 - 750,000                            13    8,015,750         4.05        6.435          352        80.98          663
------------------------------------------------------------------------------------------------------------------------------------
Total:                                      778  197,889,459       100.00        6.474          352        82.01          658
------------------------------------------------------------------------------------------------------------------------------------
Minimum: 70,400
Maximum: 750,000
Average: 254,357

6. Stated Original Term (months)

------------------------------------------------------------------------------------------------------------------------------------
                                                                   % of
                                                                 Mortgage
                                                                 Pool by
                                                   Aggregate    Aggregate     Weighted     Weighted     Weighted
                                        Number      Cut-off      Cut-off      Average      Average      Average     Weighted
                                          of         Date         Date         Gross      Remaining       Comb      Average
                                       Mortgage    Principal    Principal     Interest       Term       Original      FICO
Stated Original Term (months)           Loans     Balance ($)    Balance      Rate (%)     (months)       LTV        Score
------------------------------------------------------------------------------------------------------------------------------------
300                                          52   15,560,172         7.86        4.816          297        81.03          725
360                                         726  182,329,287        92.14        6.615          357        82.10          652
------------------------------------------------------------------------------------------------------------------------------------
Total:                                      778  197,889,459       100.00        6.474          352        82.01          658
------------------------------------------------------------------------------------------------------------------------------------
Minimum: 300
Maximum: 360
Weighted Average: 355

7. Range of Stated Remaining Terms (months)

------------------------------------------------------------------------------------------------------------------------------------
                                                                   % of
                                                                 Mortgage
                                                                 Pool by
                                                   Aggregate    Aggregate     Weighted     Weighted     Weighted
                                        Number      Cut-off      Cut-off      Average      Average      Average     Weighted
                                          of         Date         Date         Gross      Remaining       Comb      Average
Range of Stated Remaining Terms        Mortgage    Principal    Principal     Interest       Term       Original      FICO
(months)                                Loans     Balance ($)    Balance      Rate (%)     (months)       LTV        Score
------------------------------------------------------------------------------------------------------------------------------------
289 - 300                                    52   15,560,172         7.86        4.816          297        81.03          725
349 - 360                                   726  182,329,287        92.14        6.615          357        82.10          652
------------------------------------------------------------------------------------------------------------------------------------
Total:                                      778  197,889,459       100.00        6.474          352        82.01          658
------------------------------------------------------------------------------------------------------------------------------------
Minimum: 297
Maximum: 358
Weighted Average: 352

8. Range of Combined Original LTV Ratios (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                   % of
                                                                 Mortgage
                                                                 Pool by
                                                   Aggregate    Aggregate     Weighted     Weighted     Weighted
                                        Number      Cut-off      Cut-off      Average      Average      Average      Weighted
                                          of         Date         Date         Gross      Remaining       Comb       Average
Range of Combined Original             Mortgage    Principal    Principal     Interest       Term       Original       FICO
LTV Ratios (%)                          Loans     Balance ($)    Balance      Rate (%)     (months)       LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
40.01 - 45.00                                 2      365,000         0.18        5.679          320        42.94          660
45.01 - 50.00                                 3      560,000         0.28        5.903          357        46.69          649
50.01 - 55.00                                 2      595,800         0.30        6.149          357        50.15          652
55.01 - 60.00                                 4    1,346,000         0.68        6.458          357        57.98          624
60.01 - 65.00                                12    3,196,385         1.62        5.682          335        62.53          666
65.01 - 70.00                                16    4,730,516         2.39        6.048          352        68.62          626
70.01 - 75.00                                25    7,358,561         3.72        6.065          352        73.68          650
75.01 - 80.00                               473  109,786,228        55.48        6.410          354        79.88          661
80.01 - 85.00                                72   22,653,831        11.45        6.039          339        84.32          663
85.01 - 90.00                               108   31,582,271        15.96        6.873          352        89.58          653
90.01 - 95.00                                47   12,762,173         6.45        7.275          357        94.72          653
95.01 - 100.00                               14    2,952,693         1.49        7.285          356        99.83          662
------------------------------------------------------------------------------------------------------------------------------------
Total:                                      778  197,889,459       100.00        6.474          352        82.01          658
------------------------------------------------------------------------------------------------------------------------------------
Minimum: 42.42
Maximum: 100.00
Weighted Average: 82.01

9. Range of Gross Margins (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                   % of
                                                                 Mortgage
                                                                 Pool by
                                                   Aggregate    Aggregate     Weighted     Weighted     Weighted
                                        Number      Cut-off      Cut-off      Average      Average      Average      Weighted
                                          of         Date         Date         Gross      Remaining       Comb       Average
                                       Mortgage    Principal    Principal     Interest       Term       Original       FICO
Range of Gross Margins (%)              Loans     Balance ($)    Balance      Rate (%)     (months)       LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
Fixed Rate Loans                             51   12,382,706         6.26        6.301          356        80.10          671
<= 3.500                                     45   13,524,046         6.83        4.693          301        81.15          734
3.501 - 4.000                                16    4,592,126         2.32        5.351          329        81.82          674
4.001 - 4.500                                25    6,176,871         3.12        5.947          349        77.86          648
4.501 - 5.000                                21    4,449,702         2.25        6.243          356        82.02          643
5.001 - 5.500                               389   97,988,868        49.52        6.456          357        81.87          644
5.501 - 6.000                               209   54,532,754        27.56        7.065          357        82.83          663
6.001 - 6.500                                16    2,987,017         1.51        7.506          356        90.21          638
6.501 - 7.000                                 4      627,700         0.32        7.759          356        85.78          661
7.001 - 7.500                                 1      300,000         0.15        8.450          356       100.00          617
7.501 - 8.000                                 1      327,670         0.17        8.625          356        80.00          661
------------------------------------------------------------------------------------------------------------------------------------
Total:                                      778  197,889,459       100.00        6.474          352        82.01          658
------------------------------------------------------------------------------------------------------------------------------------
Non-Zero Minimum: 2.750
Maximum: 7.625
Non-Zero Weighted Average: 5.230

10. Range of Minimum Mortgage Rates (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                   % of
                                                                 Mortgage
                                                                 Pool by
                                                   Aggregate    Aggregate     Weighted     Weighted     Weighted
                                        Number      Cut-off      Cut-off      Average      Average      Average      Weighted
                                          of         Date         Date         Gross      Remaining       Comb       Average
Range of Minimum Mortgage              Mortgage    Principal    Principal     Interest       Term       Original       FICO
Rates (%)                               Loans     Balance ($)    Balance      Rate (%)     (months)       LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
Fixed Rate Loans                             51   12,382,706         6.26        6.301          356        80.10          671
<=5.000                                      48   13,952,845         7.05        4.703          302        81.12          733
5.001 - 5.500                                50   14,758,814         7.46        5.359          348        79.42          659
5.501 - 6.000                               121   32,548,967        16.45        5.829          355        79.43          641
6.001 - 6.500                               137   34,767,779        17.57        6.321          357        81.35          649
6.501 - 7.000                               164   41,227,562        20.83        6.796          357        82.08          658
7.001 - 7.500                               103   24,850,109        12.56        7.289          357        84.37          654
7.501 - 8.000                                67   15,767,043         7.97        7.779          357        86.97          650
8.001 - 8.500                                23    4,466,642         2.26        8.305          357        86.27          641
8.501 - 9.000                                12    2,703,492         1.37        8.728          357        89.11          639
9.001 - 9.500                                 2      463,500         0.23        9.050          357        90.00          617
------------------------------------------------------------------------------------------------------------------------------------
Total:                                      778  197,889,459       100.00        6.474          352        82.01          658
------------------------------------------------------------------------------------------------------------------------------------
Non-Zero Minimum: 4.030
Maximum: 9.050
Non-Zero Weighted Average: 6.484

11. Range of Maximum Mortgage Rates (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                   % of
                                                                 Mortgage
                                                                 Pool by
                                                   Aggregate    Aggregate     Weighted     Weighted     Weighted
                                        Number      Cut-off      Cut-off      Average      Average      Average       Weighted
                                          of         Date         Date         Gross      Remaining       Comb        Average
Range of Maximum Mortgage              Mortgage    Principal    Principal     Interest       Term       Original        FICO
Rates (%)                               Loans     Balance ($)    Balance      Rate (%)     (months)       LTV          Score
------------------------------------------------------------------------------------------------------------------------------------
Fixed Rate Loans                             51   12,382,706         6.26        6.301          356        80.10          671
<= 12.500                                   137   38,870,167        19.64        5.328          333        79.35          682
12.501 - 13.000                             130   33,499,836        16.93        5.978          357        79.94          638
13.001 - 13.500                             132   33,337,816        16.85        6.435          357        81.96          651
13.501 - 14.000                             146   37,366,455        18.88        6.840          357        82.48          660
14.001 - 14.500                              89   21,347,251        10.79        7.329          357        84.82          657
14.501 - 15.000                              61   14,667,543         7.41        7.804          357        87.72          651
15.001 - 15.500                              19    3,597,192         1.82        8.312          357        86.77          635
15.501 - 16.000                              11    2,356,992         1.19        8.750          357        88.98          632
16.001 - 16.500                               2      463,500         0.23        9.050          357        90.00          617
------------------------------------------------------------------------------------------------------------------------------------
Total:                                      778  197,889,459       100.00        6.474          352        82.01          658
------------------------------------------------------------------------------------------------------------------------------------
Non-Zero Minimum: 11.250
Maximum: 16.050
Non-Zero Weighted
Average: 13.381

12. Initial Periodic Cap (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                   % of
                                                                 Mortgage
                                                                 Pool by
                                                   Aggregate    Aggregate     Weighted     Weighted     Weighted
                                        Number      Cut-off      Cut-off      Average      Average      Average       Weighted
                                          of         Date         Date         Gross      Remaining       Comb        Average
                                       Mortgage    Principal    Principal     Interest       Term       Original        FICO
Initial Periodic Cap (%)                Loans     Balance ($)    Balance      Rate (%)     (months)       LTV          Score
------------------------------------------------------------------------------------------------------------------------------------
Fixed Rate Loans                             51   12,382,706         6.26        6.301          356        80.10          671
1.5                                         584  148,464,438        75.02        6.624          357        82.69          652
3                                           139   36,353,515        18.37        5.915          332        79.95          679
5                                             4      688,800         0.35        6.824          357        78.03          634
------------------------------------------------------------------------------------------------------------------------------------
Total:                                      778  197,889,459       100.00        6.474          352        82.01          658
------------------------------------------------------------------------------------------------------------------------------------
Non-Zero Minimum: 1.500
Maximum: 5.000
Non-Zero Weighted Average: 1.807

13. Subsequent Periodic Cap (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                   % of
                                                                 Mortgage
                                                                 Pool by
                                                   Aggregate    Aggregate     Weighted     Weighted     Weighted
                                        Number      Cut-off      Cut-off      Average      Average      Average       Weighted
                                          of         Date         Date         Gross      Remaining       Comb        Average
                                       Mortgage    Principal    Principal     Interest       Term       Original        FICO
Subsequent Periodic Cap (%)             Loans     Balance ($)    Balance      Rate (%)     (months)        LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
Fixed Rate Loans                             51   12,382,706         6.26        6.301          356        80.10          671
1                                            91   21,482,143        10.86        6.739          358        79.12          644
1.5                                         584  148,464,438        75.02        6.624          357        82.69          652
3                                            52   15,560,172         7.86        4.816          297        81.03          725
------------------------------------------------------------------------------------------------------------------------------------
Total:                                      778  197,889,459       100.00        6.474          352        82.01          658
------------------------------------------------------------------------------------------------------------------------------------
Non-Zero Minimum: 1.000
Maximum: 3.000
Non-Zero Weighted Average: 1.568

14. Next Rate Adjustment Dates

------------------------------------------------------------------------------------------------------------------------------------
                                                                   % of
                                                                 Mortgage
                                                                 Pool by
                                                   Aggregate    Aggregate     Weighted     Weighted     Weighted
                                        Number      Cut-off      Cut-off      Average      Average      Average       Weighted
                                          of         Date         Date         Gross      Remaining       Comb        Average
                                       Mortgage    Principal    Principal     Interest       Term       Original        FICO
Next Rate Adjustment Dates              Loans     Balance ($)    Balance      Rate (%)     (months)       LTV          Score
------------------------------------------------------------------------------------------------------------------------------------
Fixed Rate Loans                             51   12,382,706         6.26        6.301          356        80.10          671
Dec-04                                       52   15,560,172         7.86        4.816          297        81.03          725
May-06                                        9    2,636,657         1.33        5.676          354        79.82          620
Jun-06                                       14    3,665,068         1.85        5.825          355        79.76          661
Jul-06                                       73   20,124,490        10.17        6.416          356        81.58          628
Aug-06                                      397  102,962,216        52.03        6.720          357        82.54          657
Sep-06                                       51   11,398,174         5.76        6.886          358        79.54          648
May-07                                        1      167,199         0.08        5.170          354        80.00          620
Jun-07                                       12    3,101,602         1.57        5.867          355        80.87          635
Jul-07                                       37    8,321,572         4.21        6.808          356        84.31          651
Aug-07                                       77   16,880,802         8.53        6.626          357        83.39          651
Jul-09                                        1      159,200         0.08        6.530          356        80.00          681
Aug-09                                        3      529,600         0.27        6.913          357        77.44          619
------------------------------------------------------------------------------------------------------------------------------------
Total:                                      778  197,889,459       100.00        6.474          352        82.01          658
------------------------------------------------------------------------------------------------------------------------------------

15. Geographic Distribution of Mortgaged Properties

------------------------------------------------------------------------------------------------------------------------------------
                                                                   % of
                                                                 Mortgage
                                                                 Pool by
                                                   Aggregate    Aggregate     Weighted     Weighted     Weighted
                                        Number      Cut-off      Cut-off      Average      Average      Average       Weighted
                                          of         Date         Date         Gross      Remaining       Comb        Average
Geographic Distribution of             Mortgage    Principal    Principal     Interest       Term       Original        FICO
Mortgaged Properties                    Loans     Balance ($)    Balance      Rate (%)     (months)       LTV          Score
------------------------------------------------------------------------------------------------------------------------------------
California                                  385  118,885,580        60.08        6.294          350        81.20          661
Florida                                      46    7,856,781         3.97        6.932          356        82.10          646
Washington                                   41    7,651,841         3.87        6.480          355        82.56          663
Nevada                                       32    6,736,235         3.40        6.768          357        83.12          657
Colorado                                     29    5,770,763         2.92        6.409          356        83.92          636
Arizona                                      36    5,325,809         2.69        6.954          357        84.17          645
New York                                     16    4,835,700         2.44        6.869          357        81.93          640
Massachusetts                                17    4,439,237         2.24        6.985          357        85.25          673
Hawaii                                       11    4,135,101         2.09        5.910          352        82.03          654
Maryland                                     14    3,419,501         1.73        7.124          353        83.07          662
Minnesota                                    17    3,037,669         1.54        6.547          351        83.29          672
Texas                                        14    2,968,642         1.50        6.482          353        83.17          639
Oregon                                       19    2,887,119         1.46        6.698          357        81.27          658
Georgia                                       9    2,620,826         1.32        7.047          357        84.63          652
Virginia                                     11    2,458,781         1.24        7.148          357        81.38          650
Other                                        81   14,859,874         7.51        6.839          351        84.29          656
------------------------------------------------------------------------------------------------------------------------------------
Total:                                      778  197,889,459       100.00        6.474          352        82.01          658
------------------------------------------------------------------------------------------------------------------------------------
Number of States/District of Columbia Represented: 34

16. Occupancy

------------------------------------------------------------------------------------------------------------------------------------
                                                                   % of
                                                                 Mortgage
                                                                 Pool by
                                                   Aggregate    Aggregate     Weighted     Weighted     Weighted
                                        Number      Cut-off      Cut-off      Average      Average      Average       Weighted
                                          of         Date         Date         Gross      Remaining       Comb        Average
                                       Mortgage    Principal    Principal     Interest       Term       Original        FICO
Occupancy                               Loans     Balance ($)    Balance      Rate (%)     (months)       LTV          Score
------------------------------------------------------------------------------------------------------------------------------------
Primary                                     773  196,133,675        99.11        6.477          352        81.99          658
Second Home                                   5    1,755,784         0.89        6.177          344        84.00          658
------------------------------------------------------------------------------------------------------------------------------------
Total:                                      778  197,889,459       100.00        6.474          352        82.01          658
------------------------------------------------------------------------------------------------------------------------------------

17. Property Type

------------------------------------------------------------------------------------------------------------------------------------
                                                                   % of
                                                                 Mortgage
                                                                 Pool by
                                                   Aggregate    Aggregate     Weighted     Weighted     Weighted
                                        Number      Cut-off      Cut-off      Average      Average      Average       Weighted
                                          of         Date         Date         Gross      Remaining       Comb        Average
                                       Mortgage    Principal    Principal     Interest       Term       Original        FICO
Property Type                           Loans     Balance ($)    Balance      Rate (%)     (months)       LTV          Score
------------------------------------------------------------------------------------------------------------------------------------
Single Family Residence                     549  141,498,683        71.50        6.444          352        81.63          659
Planned Unit Development                    123   29,542,963        14.93        6.450          352        83.21          655
Condo                                        74   18,134,256         9.16        6.563          352        82.23          660
2-4 Family                                   32    8,713,556         4.40        6.851          357        83.66          657
------------------------------------------------------------------------------------------------------------------------------------
Total:                                      778  197,889,459       100.00        6.474          352        82.01          658
------------------------------------------------------------------------------------------------------------------------------------

18. Loan Purpose

------------------------------------------------------------------------------------------------------------------------------------
                                                                   % of
                                                                 Mortgage
                                                                 Pool by
                                                   Aggregate    Aggregate     Weighted     Weighted     Weighted
                                        Number      Cut-off      Cut-off      Average      Average      Average       Weighted
                                          of         Date         Date         Gross      Remaining       Comb        Average
                                       Mortgage    Principal    Principal     Interest       Term       Original        FICO
Loan Purpose                            Loans     Balance ($)    Balance      Rate (%)     (months)       LTV          Score
------------------------------------------------------------------------------------------------------------------------------------
Purchase                                    457  113,873,861        57.54        6.504          352        82.29          667
Refinance - Cashout                         283   76,384,453        38.60        6.446          352        81.69          644
Refinance - Rate Term                        38    7,631,145         3.86        6.307          350        81.07          657
------------------------------------------------------------------------------------------------------------------------------------
Total:                                      778  197,889,459       100.00        6.474          352        82.01          658
------------------------------------------------------------------------------------------------------------------------------------

19. Documentation Level

------------------------------------------------------------------------------------------------------------------------------------
                                                                   % of
                                                                 Mortgage
                                                                 Pool by
                                                   Aggregate    Aggregate     Weighted     Weighted     Weighted
                                        Number      Cut-off      Cut-off      Average      Average      Average       Weighted
                                          of         Date         Date         Gross      Remaining       Comb        Average
                                       Mortgage    Principal    Principal     Interest       Term       Original        FICO
Documentation Level                     Loans     Balance ($)    Balance      Rate (%)     (months)       LTV          Score
------------------------------------------------------------------------------------------------------------------------------------
Full                                        450  110,466,777        55.82        6.228          353        82.23          646
Stated Documentation                        287   76,889,564        38.85        6.856          350        81.87          675
Limited                                      41   10,533,117         5.32        6.257          356        80.74          654
------------------------------------------------------------------------------------------------------------------------------------
Total:                                      778  197,889,459       100.00        6.474          352        82.01          658
------------------------------------------------------------------------------------------------------------------------------------

20. Credit Score

------------------------------------------------------------------------------------------------------------------------------------
                                                                   % of
                                                                 Mortgage
                                                                 Pool by
                                                   Aggregate    Aggregate     Weighted     Weighted     Weighted
                                        Number      Cut-off      Cut-off      Average      Average      Average       Weighted
                                          of         Date         Date         Gross      Remaining       Comb        Average
                                       Mortgage    Principal    Principal     Interest       Term       Original        FICO
Credit Score                            Loans     Balance ($)    Balance      Rate (%)     (months)       LTV          Score
------------------------------------------------------------------------------------------------------------------------------------
575 - 599                                    23    5,307,833         2.68        6.683          357        80.39          592
600 - 624                                   227   56,737,661        28.67        6.538          356        82.04          613
625 - 649                                   145   37,161,417        18.78        6.773          357        82.29          637
650 - 674                                   147   36,132,050        18.26        6.557          355        81.54          662
675 - 699                                   104   27,553,548        13.92        6.500          352        82.25          686
700 - 724                                    56   14,775,746         7.47        5.797          334        81.90          711
725 - 749                                    39    9,610,877         4.86        6.141          340        81.61          737
750 - 774                                    22    5,348,412         2.70        5.919          339        83.68          761
775 - 799                                    13    4,386,714         2.22        5.782          326        83.30          785
800 +                                         2      875,200         0.44        6.044          357        80.00          811
------------------------------------------------------------------------------------------------------------------------------------
Total:                                      778  197,889,459       100.00        6.474          352        82.01          658
------------------------------------------------------------------------------------------------------------------------------------
Minimum: 581
Maximum: 813
Non-Zero Weighted Average: 658

21. Prepayment Penalty Term

------------------------------------------------------------------------------------------------------------------------------------
                                                                   % of
                                                                 Mortgage
                                                                 Pool by
                                                   Aggregate    Aggregate     Weighted     Weighted     Weighted
                                        Number      Cut-off      Cut-off      Average      Average      Average       Weighted
                                          of         Date         Date         Gross      Remaining       Comb        Average
                                       Mortgage    Principal    Principal     Interest       Term       Original        FICO
Prepayment Penalty Term                 Loans     Balance ($)    Balance      Rate (%)     (months)       LTV          Score
------------------------------------------------------------------------------------------------------------------------------------
0                                           125   35,037,080        17.71        6.213          330        81.24          685
12                                           12    2,910,077         1.47        6.820          356        83.88          647
18                                            1      225,000         0.11        6.890          356        90.00          632
24                                          441  113,515,990        57.36        6.559          357        82.17          651
36                                          185   43,319,405        21.89        6.448          356        82.13          656
60                                           14    2,881,907         1.46        6.294          355        80.64          658
------------------------------------------------------------------------------------------------------------------------------------
Total:                                      778  197,889,459       100.00        6.474          352        82.01          658
------------------------------------------------------------------------------------------------------------------------------------
Non-Zero Minimum: 12
Maximum: 60
Non-Zero Weighted Average: 28

22. Lien Position

------------------------------------------------------------------------------------------------------------------------------------
                                                                   % of
                                                                 Mortgage
                                                                 Pool by
                                                   Aggregate    Aggregate     Weighted     Weighted     Weighted
                                        Number      Cut-off      Cut-off      Average      Average      Average       Weighted
                                          of         Date         Date         Gross      Remaining       Comb        Average
                                       Mortgage    Principal    Principal     Interest       Term       Original        FICO
Lien Position                           Loans     Balance ($)    Balance      Rate (%)     (months)       LTV          Score
------------------------------------------------------------------------------------------------------------------------------------
1st Lien                                    778  197,889,459       100.00        6.474          352        82.01          658
------------------------------------------------------------------------------------------------------------------------------------
Total:                                      778  197,889,459       100.00        6.474          352        82.01          658
------------------------------------------------------------------------------------------------------------------------------------

23. Interest Only Term

------------------------------------------------------------------------------------------------------------------------------------
                                                                   % of
                                                                 Mortgage
                                                                 Pool by
                                                   Aggregate    Aggregate     Weighted     Weighted     Weighted
                                        Number      Cut-off      Cut-off      Average      Average      Average       Weighted
                                          of         Date         Date         Gross      Remaining       Comb        Average
                                       Mortgage    Principal    Principal     Interest       Term       Original        FICO
Interest Only Term                      Loans     Balance ($)    Balance      Rate (%)     (months)       LTV          Score
------------------------------------------------------------------------------------------------------------------------------------
24                                          398  105,747,096        53.44        6.664          357        82.65          653
36                                           57   14,162,966         7.16        6.444          357        82.47          647
60                                          271   62,419,224        31.54        6.572          357        81.08          652
120                                          52   15,560,172         7.86        4.816          297        81.03          725
------------------------------------------------------------------------------------------------------------------------------------
Total:                                      778  197,889,459       100.00        6.474          352        82.01          658
------------------------------------------------------------------------------------------------------------------------------------


This information is being delivered to a specific number of prospective sophisticated investors in order to assist them in determining whether they have an interest in the type of security described herein. It has been prepared solely for information purposes and is not an offer to buy or sell or a solicitation of an offer to buy or sell any security or instrument or to participate in any trading strategy. This material is based on information that Morgan Stanley & Co. Incorporated ("Morgan Stanley") considers reliable. Morgan Stanley makes no representation or warranty with respect to the accuracy or completeness of the information, or with respect to the terms of any future offer of securities conforming to the terms hereof. Any such offer of securities would be made pursuant to a definitive Prospectus or Private Placement Memorandum, as the case may be, prepared by the issuer which could contain material information not contained herein and to which the prospective purchasers are referred. In the event of any such offering, this information shall be deemed superseded, amended and supplemented in its entirety by such Prospectus or Private Placement Memorandum. Such Prospectus or Private Placement Memorandum will contain all material information in respect of any securities offered thereby and any decision to invest in such securities should be made solely in reliance upon such Prospectus or Private Placement Memorandum. The information contained here in may be based on certain assumptions regarding market conditions and other matters and is therefore subject to change. We make no representations regarding the reasonableness of such assumptions or the likelihood that any of such assumptions will coincide with actual market conditions or events, and this material should not be relied on for such purposes. No representation is made that any returns indicated will be achieved. Changes to the assumptions may have a material impact on any returns detailed. Morgan Stanley disclaims any and all liability relating to this information, including without limitation any express or implied representations or warranties for, statements contained in, and omissions from the information contained here in. Additional information is available upon request. Morgan Stanley and others associated with it may have positions in, and may effect transaction in, securities and instruments of issuers mentioned herein and may also perform or seek to perform investment banking services for the issuers of such securities and instruments. Past performance is not necessarily indicative of future results. Price and availability are subject to change without notice. Information contained in this material is current as of the date appearing on this material only. Information in this material regarding any assets backing any securities discussed herein supercedes all prior information regarding such assets. Morgan Stanley is acting as the lead underwriter and not acting as agent for the issuer or its affiliates in connection with the proposed transaction. To our readers worldwide: In addition, please note that this publication has been issued by Morgan Stanley, approved by Morgan Stanley International Limited, a member of The Securities and Futures Authority, and by Morgan Stanley Japan Ltd. We recommend that such investors obtain the advice of their Morgan Stanley, Morgan Stanley International or Morgan Stanley Japan Ltd. representative about the investments concerned. NOT FOR DISTRIBUTION TO PRIVATE CUSTOMERS AS DEFINED BY THE U.K. SECURITIES AND FUTURES AUTHORITY.


MORGAN STANLEY
MSAC 2004-HE9
Stated Doc

Table of Contents

1. Summary Statistics
2. Originator
3. Product Types
4. Range of Gross Interest Rates (%)
5. Range of Cut-off Date Principal Balances ($)
6. Stated Original Term (months)
7. Range of Stated Remaining Terms (months)
8. Range of Combined Original LTV Ratios (%)
9. Range of Gross Margins (%)
10. Range of Minimum Mortgage Rates (%)
11. Range of Maximum Mortgage Rates (%)
12. Initial Periodic Cap (%)
13. Subsequent Periodic Cap (%)
14. Next Rate Adjustment Dates
15. Geographic Distribution of Mortgaged Properties
16. Occupancy
17. Property Type
18. Loan Purpose
19. Documentation Level
20. Credit Score
21. Prepayment Penalty Term
22. Lien Position
23. Interest Only Term

1. Summary Statistics

Number of Mortgage Loans: 3,760
Aggregate Principal Balance ($): 697,104,127 Weighted Average Current Mortgage Rate (%): 7.495 Non-Zero Weighted Average Margin (%): 5.673 Non-Zero Weighted Average Maximum Rate (%): 14.170 Weighted Average Stated Original Term (months): 356 Weighted Average Stated Remaining Term (months): 353 Weighted Average Combined Original LTV (%): 79.36 % First Liens: 98.78
% Owner Occupied: 93.08
% Purchase: 43.81
% Full Doc: 0.00
Weighted Average Credit Score: 635

2. Originator

------------------------------------------------------------------------------------------------------------------------------------
                                                                   % of
                                                                  Mortgage
                                                                  Pool by
                                                   Aggregate     Aggregate     Weighted     Weighted      Weighted
                                         Number     Cut-off       Cut-off      Average      Average       Average      Weighted
                                           of        Date           Date        Gross      Remaining        Comb       Average
                                        Mortgage   Principal     Principal     Interest       Term        Original       FICO
Originator                               Loans    Balance ($)      Balance     Rate (%)     (months)        LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
Aames                                        988  180,151,502        25.84        7.614          355        77.12          619
Accredited                                   720  121,003,913        17.36        7.567          354        79.67          646
New Century                                2,052  395,948,712        56.80        7.418          351        80.28          639
------------------------------------------------------------------------------------------------------------------------------------
Total:                                     3,760  697,104,127       100.00        7.495          353        79.36          635
------------------------------------------------------------------------------------------------------------------------------------

3. Product Types

------------------------------------------------------------------------------------------------------------------------------------
                                                                   % of
                                                                  Mortgage
                                                                  Pool by
                                                   Aggregate     Aggregate     Weighted     Weighted      Weighted
                                         Number     Cut-off       Cut-off      Average      Average       Average      Weighted
                                           of        Date           Date        Gross      Remaining        Comb       Average
                                        Mortgage   Principal     Principal     Interest       Term        Original       FICO
Product Types                            Loans    Balance ($)     Balance      Rate (%)     (months)         LTV        Score
------------------------------------------------------------------------------------------------------------------------------------
Fixed - 10 Year                                2      118,084         0.02        8.378          117        70.28          623
Fixed - 15 Year                               69    7,353,708         1.05        7.548          177        65.87          635
Fixed - 20 Year                              124    8,222,807         1.18        8.991          237        79.69          656
Fixed - 25 Year                                8      984,072         0.14        9.719          297        77.76          602
Fixed - 30 Year                              700  113,138,523        16.23        7.591          357        75.87          652
ARM - 2 Year/6 Month                       2,175  421,710,134        60.49        7.546          357        80.02          622
ARM - 3 Year/6 Month                         382   65,854,392         9.45        7.532          357        79.88          635
ARM - 5 Year/6 Month                          13    2,832,843         0.41        7.218          357        74.58          643
ARM - 2 Year IO/6 Month                      226   60,779,536         8.72        7.139          357        82.22          670
ARM - 3 Year IO/6 Month                       28    6,758,017         0.97        7.114          357        82.26          666
ARM - 10 Year IO/1 Month                      30    8,867,212         1.27        4.739          297        79.24          719
Interest Only Fixed - 30 Year                  3      484,800         0.07        6.523          356        80.00          718
------------------------------------------------------------------------------------------------------------------------------------
Total:                                     3,760  697,104,127       100.00        7.495          353        79.36          635
------------------------------------------------------------------------------------------------------------------------------------

4. Range of Gross Interest Rates (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                   % of
                                                                  Mortgage
                                                                  Pool by
                                                   Aggregate     Aggregate     Weighted     Weighted      Weighted
                                         Number     Cut-off       Cut-off      Average      Average       Average      Weighted
                                           of        Date           Date        Gross      Remaining        Comb       Average
                                        Mortgage   Principal     Principal     Interest       Term        Original       FICO
Range of Gross Interest Rates (%)        Loans    Balance ($)     Balance      Rate (%)     (months)        LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
4.000 - 4.999                                 27    8,192,731         1.18        4.685          301        78.22          724
5.000 - 5.999                                114   28,491,340         4.09        5.794          353        70.98          664
6.000 - 6.999                                936  210,071,873        30.13        6.649          353        76.98          654
7.000 - 7.999                              1,444  275,665,446        39.54        7.546          355        80.38          635
8.000 - 8.999                                825  133,430,665        19.14        8.480          354        81.90          606
9.000 - 9.999                                194   25,591,708         3.67        9.436          353        78.44          571
10.000 - 10.999                              126    9,646,567         1.38       10.552          326        85.92          623
11.000 - 11.999                               85    5,063,249         0.73       11.374          315        94.24          644
12.000 - 12.999                                8      901,569         0.13       12.451          330        92.31          614
13.000 - 13.999                                1       48,978         0.01       13.055          358        70.00          542
------------------------------------------------------------------------------------------------------------------------------------
Total:                                     3,760  697,104,127       100.00        7.495          353        79.36          635
------------------------------------------------------------------------------------------------------------------------------------
Minimum: 4.125
Maximum: 13.055
Weighted Average: 7.495

5. Range of Cut-off Date Principal Balances ($)

------------------------------------------------------------------------------------------------------------------------------------
                                                                   % of
                                                                 Mortgage
                                                                 Pool by
                                                   Aggregate     Aggregate     Weighted     Weighted      Weighted
                                         Number    Cut-off       Cut-off       Average      Average       Average      Weighted
                                           of        Date          Date         Gross      Remaining        Comb       Average
Range of Cut-off Date                   Mortgage   Principal     Principal     Interest       Term        Original       FICO
Principal Balances ($)                   Loans    Balance ($)     Balance      Rate (%)     (months)         LTV        Score
------------------------------------------------------------------------------------------------------------------------------------
1 - 25,000                                     6      136,260         0.02       11.001          237       100.00          681
25,001 - 50,000                              122    5,074,127         0.73       10.282          273        86.96          647
50,001 - 75,000                              305   19,288,734         2.77        8.714          343        78.27          633
75,001 - 100,000                             451   39,591,462         5.68        8.072          349        78.24          629
100,001 - 125,000                            442   49,746,963         7.14        7.836          351        78.56          633
125,001 - 150,000                            410   56,565,464         8.11        7.629          351        78.24          633
150,001 - 175,000                            346   55,977,592         8.03        7.558          353        77.53          627
175,001 - 200,000                            302   56,763,638         8.14        7.526          352        77.08          626
200,001 - 225,000                            269   57,477,470         8.25        7.525          354        78.44          625
225,001 - 250,000                            196   46,751,246         6.71        7.404          353        76.70          625
250,001 - 275,000                            173   45,224,040         6.49        7.291          356        79.38          636
275,001 - 300,000                            160   45,925,772         6.59        7.180          354        79.90          637
300,001 - 325,000                            136   42,401,681         6.08        7.445          357        82.52          626
325,001 - 350,000                            118   39,706,634         5.70        7.176          354        80.14          644
350,001 - 375,000                             92   33,365,179         4.79        7.273          356        81.50          640
375,001 - 400,000                             77   29,963,909         4.30        7.066          355        83.25          651
400,001 - 425,000                             34   14,057,842         2.02        7.281          353        81.43          643
425,001 - 450,000                             32   13,975,227         2.00        7.153          355        82.43          647
450,001 - 475,000                             28   12,985,444         1.86        6.864          357        81.67          673
475,001 - 500,000                             36   17,673,575         2.54        7.151          355        80.80          650
500,001 - 750,000                             25   14,451,869         2.07        6.960          357        81.37          670
------------------------------------------------------------------------------------------------------------------------------------
Total:                                     3,760  697,104,127       100.00        7.495          353        79.36          635
------------------------------------------------------------------------------------------------------------------------------------
Minimum: 20,330
Maximum: 750,000
Average: 185,400

6. Stated Original Term (months)

------------------------------------------------------------------------------------------------------------------------------------
                                                                   % of
                                                                  Mortgage
                                                                  Pool by
                                                   Aggregate     Aggregate     Weighted     Weighted      Weighted
                                         Number     Cut-off       Cut-off      Average      Average       Average      Weighted
                                           of        Date           Date        Gross      Remaining        Comb       Average
                                        Mortgage   Principal     Principal     Interest       Term        Original       FICO
Stated Original Term (months)            Loans    Balance ($)     Balance      Rate (%)     (months)        LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
120                                            2      118,084         0.02        8.378          117        70.28          623
180                                           69    7,353,708         1.05        7.548          177        65.87          635
240                                          124    8,222,807         1.18        8.991          237        79.69          656
300                                           38    9,851,284         1.41        5.236          297        79.09          707
360                                        3,527  671,558,244        96.34        7.509          357        79.51          633
------------------------------------------------------------------------------------------------------------------------------------
Total:                                     3,760  697,104,127       100.00        7.495          353        79.36          635
------------------------------------------------------------------------------------------------------------------------------------
Minimum: 120
Maximum: 360
Weighted Average: 356

7. Range of Stated Remaining Terms (months)

------------------------------------------------------------------------------------------------------------------------------------
                                                                   % of
                                                                  Mortgage
                                                                  Pool by
                                                   Aggregate     Aggregate     Weighted     Weighted      Weighted
                                         Number     Cut-off       Cut-off      Average      Average       Average      Weighted
                                           of         Date         Date         Gross      Remaining        Comb       Average
Range of Stated Remaining Terms         Mortgage    Principal    Principal     Interest       Term        Original       FICO
(months)                                 Loans     Balance ($)    Balance      Rate (%)     (months)        LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
109 - 120                                      2      118,084         0.02        8.378          117        70.28          623
169 - 180                                     69    7,353,708         1.05        7.548          177        65.87          635
229 - 240                                    124    8,222,807         1.18        8.991          237        79.69          656
289 - 300                                     38    9,851,284         1.41        5.236          297        79.09          707
349 - 360                                  3,527  671,558,244        96.34        7.509          357        79.51          633
------------------------------------------------------------------------------------------------------------------------------------
Total:                                     3,760  697,104,127       100.00        7.495          353        79.36          635
------------------------------------------------------------------------------------------------------------------------------------
Minimum: 116
Maximum: 358
Weighted Average: 353

8. Range of Combined Original LTV Ratios (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                   % of
                                                                 Mortgage
                                                                 Pool by
                                                    Aggregate    Aggregate     Weighted     Weighted      Weighted
                                         Number     Cut-off      Cut-off       Average      Average       Average      Weighted
                                           of         Date         Date         Gross      Remaining        Comb       Average
Range of Combined Original              Mortgage    Principal    Principal     Interest       Term        Original       FICO
LTV Ratios (%)                           Loans     Balance ($)    Balance      Rate (%)     (months)         LTV        Score
------------------------------------------------------------------------------------------------------------------------------------
10.01 - 15.00                                  2      123,721         0.02        7.206          227        12.27          631
15.01 - 20.00                                  7      636,729         0.09        8.058          340        18.58          615
20.01 - 25.00                                  5      418,918         0.06        7.299          357        21.86          648
25.01 - 30.00                                  5      719,161         0.10        7.041          357        28.10          614
30.01 - 35.00                                 14    1,735,812         0.25        7.365          339        31.35          610
35.01 - 40.00                                 24    2,662,335         0.38        7.375          320        37.46          614
40.01 - 45.00                                 37    5,814,711         0.83        6.748          337        42.66          621
45.01 - 50.00                                 52    8,078,070         1.16        7.285          342        47.99          603
50.01 - 55.00                                 71   12,314,900         1.77        6.951          342        52.81          618
55.01 - 60.00                                 63   10,501,815         1.51        7.253          348        57.65          599
60.01 - 65.00                                153   29,369,328         4.21        7.170          349        63.36          610
65.01 - 70.00                                226   41,696,815         5.98        7.362          352        68.73          605
70.01 - 75.00                                266   48,320,787         6.93        7.517          350        74.11          601
75.01 - 80.00                              1,554  284,354,592        40.79        7.357          355        79.76          647
80.01 - 85.00                                414   93,555,366        13.42        7.444          353        84.52          621
85.01 - 90.00                                559  116,992,982        16.78        7.749          355        89.74          645
90.01 - 95.00                                136   27,622,586         3.96        7.802          357        94.83          654
95.01 - 100.00                               172   12,185,500         1.75       10.401          323        99.97          687
------------------------------------------------------------------------------------------------------------------------------------
Total:                                     3,760  697,104,127       100.00        7.495          353        79.36          635
------------------------------------------------------------------------------------------------------------------------------------
Minimum: 12.11
Maximum: 100.00
Weighted Average: 79.36

9. Range of Gross Margins (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                   % of
                                                                 Mortgage
                                                                  Pool by
                                                   Aggregate     Aggregate     Weighted     Weighted      Weighted
                                         Number     Cut-off       Cut-off      Average      Average       Average      Weighted
                                           of        Date           Date        Gross      Remaining        Comb       Average
                                        Mortgage   Principal     Principal     Interest       Term        Original       FICO
Range of Gross Margins (%)               Loans    Balance ($)     Balance      Rate (%)     (months)        LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
Fixed Rate Loans                             906  130,301,994        18.69        7.690          338        75.57          651
<= 3.500                                      27    8,192,731         1.18        4.685          301        78.22          724
3.501 - 4.000                                  5    1,454,672         0.21        5.469          309        80.86          709
4.001 - 4.500                                  7    1,714,281         0.25        6.410          356        79.06          669
4.501 - 5.000                                 25    4,415,344         0.63        6.437          356        80.15          660
5.001 - 5.500                              1,056  203,454,599        29.19        7.343          357        79.89          634
5.501 - 6.000                              1,272  266,326,950        38.20        7.414          357        81.77          634
6.001 - 6.500                                241   42,362,143         6.08        7.929          357        76.55          605
6.501 - 7.000                                142   24,226,188         3.48        8.257          357        73.76          598
7.001 - 7.500                                 45    8,125,012         1.17        8.688          356        79.90          602
7.501 - 8.000                                 15    2,746,344         0.39        8.843          357        82.19          590
8.001 - 8.500                                 13    2,679,473         0.38        9.808          356        75.53          577
8.501 - 9.000                                  5      866,245         0.12        9.776          356        83.05          580
9.501 - 10.000                                 1      238,151         0.03       10.950          356        60.00          560
------------------------------------------------------------------------------------------------------------------------------------
Total:                                     3,760  697,104,127       100.00        7.495          353        79.36          635
------------------------------------------------------------------------------------------------------------------------------------
Non-Zero Minimum: 2.750
Maximum: 9.950
Non-Zero Weighted Average: 5.673

10. Range of Minimum Mortgage Rates (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                   % of
                                                                 Mortgage
                                                                 Pool by
                                                    Aggregate    Aggregate     Weighted     Weighted      Weighted
                                         Number     Cut-off      Cut-off       Average      Average       Average      Weighted
                                           of         Date         Date         Gross      Remaining        Comb       Average
Range of Minimum Mortgage               Mortgage    Principal    Principal     Interest       Term        Original       FICO
Rates(%)                                 Loans     Balance ($)    Balance      Rate (%)     (months)        LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
Fixed Rate Loans                             906  130,301,994        18.69        7.690          338        75.57          651
<=5.000                                       27    8,192,731         1.18        4.685          301        78.22          724
5.001 - 5.500                                 15    4,157,100         0.60        5.322          340        78.48          652
5.501 - 6.000                                 74   18,543,826         2.66        5.845          357        72.38          655
6.001 - 6.500                                240   57,961,435         8.31        6.352          357        76.76          650
6.501 - 7.000                                516  115,554,416        16.58        6.836          357        79.89          649
7.001 - 7.500                                553  109,489,738        15.71        7.309          357        80.15          639
7.501 - 8.000                                605  118,980,500        17.07        7.804          357        82.34          627
8.001 - 8.500                                351   62,564,831         8.97        8.282          357        82.15          607
8.501 - 9.000                                297   47,204,998         6.77        8.779          357        82.22          598
9.001 - 9.500                                 86   12,063,658         1.73        9.260          357        80.54          568
9.501 - 10.000                                49    7,312,536         1.05        9.791          357        76.07          553
10.001 -10.500                                20    2,448,759         0.35       10.250          357        78.93          554
10.501 - 11.000                               12    1,483,093         0.21       10.843          357        72.23          544
11.001 - 11.500                                7      688,372         0.10       11.255          357        71.83          515
12.001 - 12.500                                1      107,161         0.02       12.200          357        75.00          530
13.001 - 13.500                                1       48,978         0.01       13.055          358        70.00          542
------------------------------------------------------------------------------------------------------------------------------------
Total:                                     3,760  697,104,127       100.00        7.495          353        79.36          635
------------------------------------------------------------------------------------------------------------------------------------
Non-Zero Minimum: 4.030
Maximum: 13.055
Non-Zero Weighted Average: 7.449

11. Range of Maximum Mortgage Rates (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                   % of
                                                                 Mortgage
                                                                  Pool by
                                                   Aggregate     Aggregate     Weighted     Weighted      Weighted
                                         Number     Cut-off       Cut-off      Average      Average       Average      Weighted
                                           of        Date           Date        Gross      Remaining        Comb       Average
                                        Mortgage   Principal     Principal     Interest       Term        Original       FICO
Range of Maximum Mortgage Rates (%)      Loans    Balance ($)     Balance      Rate (%)     (months)         LTV        Score
------------------------------------------------------------------------------------------------------------------------------------
Fixed Rate Loans                             906  130,301,994        18.69        7.690          338        75.57          651
<= 12.500                                    129   33,026,624         4.74        5.771          341        75.60          667
12.501 - 13.000                              202   46,116,331         6.62        6.525          357        76.35          639
13.001 - 13.500                              347   76,087,112        10.91        6.762          357        77.58          646
13.501 - 14.000                              544  114,254,945        16.39        7.099          357        80.18          644
14.001 - 14.500                              487   95,095,426        13.64        7.511          357        80.80          631
14.501 - 15.000                              502   98,499,438        14.13        7.917          357        83.05          624
15.001 - 15.500                              282   48,926,828         7.02        8.394          357        82.80          605
15.501 - 16.000                              246   39,605,988         5.68        8.863          357        82.62          599
16.001 - 16.500                               55    7,276,632         1.04        9.383          357        82.41          578
16.501 - 17.000                               33    4,797,954         0.69       10.022          356        75.49          556
17.001 - 17.500                               17    2,049,154         0.29       10.402          357        80.91          555
17.501 - 18.000                                5      633,663         0.09       10.871          356        74.57          559
18.001 - 18.500                                3      275,899         0.04       11.329          357        67.26          517
19.001 - 19.500                                2      156,139         0.02       12.468          357        73.43          534
------------------------------------------------------------------------------------------------------------------------------------
Total:                                     3,760  697,104,127       100.00        7.495          353        79.36          635
------------------------------------------------------------------------------------------------------------------------------------
Non-Zero Minimum: 10.955
Maximum: 19.200
Non-Zero Weighted Average: 14.170

12. Initial Periodic Cap (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                   % of
                                                                 Mortgage
                                                                  Pool by
                                                   Aggregate     Aggregate     Weighted     Weighted      Weighted
                                         Number     Cut-off       Cut-off      Average      Average       Average      Weighted
                                           of        Date           Date        Gross      Remaining        Comb       Average
                                        Mortgage   Principal     Principal     Interest       Term        Original       FICO
Initial Periodic Cap (%)                 Loans    Balance ($)     Balance      Rate (%)     (months)         LTV        Score
------------------------------------------------------------------------------------------------------------------------------------
Fixed Rate Loans                             906  130,301,994        18.69        7.690          338        75.57          651
1                                              5      654,568         0.09        7.355          357        81.22          654
1.5                                        1,983  399,675,353        57.33        7.472          357        81.32          634
3                                            854  163,846,085        23.50        7.400          354        77.66          623
5                                             12    2,626,128         0.38        7.274          357        75.10          641
------------------------------------------------------------------------------------------------------------------------------------
Total:                                     3,760  697,104,127       100.00        7.495          353        79.36          635
------------------------------------------------------------------------------------------------------------------------------------
Non-Zero Minimum: 1.000
Maximum: 5.000
Non-Zero Weighted Average: 1.949

13. Subsequent Periodic Cap (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                   % of
                                                                 Mortgage
                                                                  Pool by
                                                   Aggregate     Aggregate     Weighted     Weighted      Weighted
                                         Number     Cut-off       Cut-off      Average      Average       Average      Weighted
                                           of        Date           Date        Gross      Remaining        Comb       Average
                                        Mortgage   Principal     Principal     Interest       Term        Original       FICO
Subsequent Periodic Cap (%)              Loans    Balance ($)     Balance      Rate (%)     (months)        LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
Fixed Rate Loans                             906  130,301,994        18.69        7.690          338        75.57          651
1                                            841  158,259,569        22.70        7.547          357        77.54          618
1.5                                        1,983  399,675,353        57.33        7.472          357        81.32          634
3                                             30    8,867,212         1.27        4.739          297        79.24          719
------------------------------------------------------------------------------------------------------------------------------------
Total:                                     3,760  697,104,127       100.00        7.495          353        79.36          635
------------------------------------------------------------------------------------------------------------------------------------
Non-Zero Minimum: 1.000
Maximum: 3.000
Non-Zero Weighted Average: 1.384

14. Next Rate Adjustment Dates

------------------------------------------------------------------------------------------------------------------------------------
                                                                   % of
                                                                 Mortgage
                                                                  Pool by
                                                   Aggregate     Aggregate     Weighted     Weighted      Weighted
                                         Number     Cut-off       Cut-off      Average      Average       Average      Weighted
                                           of        Date           Date        Gross      Remaining        Comb       Average
                                        Mortgage   Principal     Principal     Interest       Term        Original       FICO
Next Rate Adjustment Dates               Loans    Balance ($)     Balance      Rate (%)     (months)         LTV        Score
------------------------------------------------------------------------------------------------------------------------------------
Fixed Rate Loans                             906  130,301,994        18.69        7.690          338        75.57          651
Dec-04                                        30    8,867,212         1.27        4.739          297        79.24          719
Apr-06                                         1      266,510         0.04        7.250          353        80.00          659
May-06                                         5    1,035,130         0.15        7.475          354        81.21          617
Jun-06                                        24    4,640,090         0.67        7.130          355        78.90          647
Jul-06                                       261   53,050,341         7.61        7.656          356        78.57          625
Aug-06                                     1,843  375,533,002        53.87        7.484          357        80.84          629
Sep-06                                       267   47,964,596         6.88        7.433          358        78.07          622
Apr-07                                         1      133,211         0.02        5.875          353        80.00          693
May-07                                         2      452,956         0.06        6.298          354        80.00          670
Jun-07                                        22    3,685,032         0.53        7.325          355        81.94          653
Jul-07                                       134   23,635,194         3.39        7.636          356        80.13          644
Aug-07                                       241   43,040,839         6.17        7.427          357        80.08          634
Sep-07                                        10    1,665,177         0.24        7.994          358        76.01          608
Aug-09                                         7    1,710,805         0.25        7.535          357        78.14          632
Sep-09                                         6    1,122,038         0.16        6.733          358        69.14          660
------------------------------------------------------------------------------------------------------------------------------------
Total:                                     3,760  697,104,127       100.00        7.495          353        79.36          635
------------------------------------------------------------------------------------------------------------------------------------

15. Geographic Distribution of Mortgaged Properties

------------------------------------------------------------------------------------------------------------------------------------
                                                                   % of
                                                                 Mortgage
                                                                  Pool by
                                                   Aggregate     Aggregate     Weighted     Weighted      Weighted
                                         Number     Cut-off       Cut-off      Average      Average       Average      Weighted
                                           of        Date           Date        Gross      Remaining        Comb       Average
Geographic Distribution of              Mortgage   Principal     Principal     Interest       Term        Original       FICO
Mortgaged Properties                     Loans    Balance ($)     Balance      Rate (%)     (months)        LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
California                                 1,143  277,427,426        39.80        7.135          352        77.46          639
Florida                                      576   86,050,060        12.34        7.629          355        80.15          624
New York                                     217   50,934,866         7.31        7.528          354        78.53          633
Texas                                        276   29,688,426         4.26        8.116          340        78.17          623
New Jersey                                   119   25,504,256         3.66        7.726          355        80.59          629
Massachusetts                                 78   18,141,354         2.60        7.652          355        82.86          647
Washington                                    94   16,651,518         2.39        7.431          355        81.50          641
Virginia                                      71   16,205,363         2.32        7.757          355        80.34          641
Nevada                                        82   16,087,553         2.31        7.591          354        81.91          649
Illinois                                      81   14,964,795         2.15        7.954          353        82.85          619
Maryland                                      71   14,621,477         2.10        7.922          356        81.69          632
Arizona                                       82   10,907,221         1.56        7.606          355        83.34          643
Minnesota                                     56    9,638,815         1.38        7.817          352        81.79          631
Pennsylvania                                  71    9,194,607         1.32        7.867          350        82.42          631
Michigan                                      74    9,046,481         1.30        8.129          354        82.25          625
Other                                        669   92,039,910        13.20        7.798          353        80.89          635
------------------------------------------------------------------------------------------------------------------------------------
Total:                                     3,760  697,104,127       100.00        7.495          353        79.36          635
------------------------------------------------------------------------------------------------------------------------------------
Number of States/District of
Columbia Represented: 51

16. Occupancy

------------------------------------------------------------------------------------------------------------------------------------
                                                                   % of
                                                                 Mortgage
                                                                  Pool by
                                                   Aggregate     Aggregate     Weighted     Weighted      Weighted
                                         Number     Cut-off       Cut-off      Average      Average       Average      Weighted
                                           of        Date           Date        Gross      Remaining        Comb       Average
                                        Mortgage   Principal     Principal     Interest       Term        Original       FICO
Occupancy                                Loans    Balance ($)     Balance      Rate (%)     (months)         LTV        Score
------------------------------------------------------------------------------------------------------------------------------------
Primary                                    3,467  648,896,351        93.08        7.461          353        79.34          633
Investment                                   263   42,559,015         6.11        7.945          355        79.91          659
Second Home                                   30    5,648,761         0.81        7.961          357        77.44          627
------------------------------------------------------------------------------------------------------------------------------------
Total:                                     3,760  697,104,127       100.00        7.495          353        79.36          635
------------------------------------------------------------------------------------------------------------------------------------

17. Property Type

------------------------------------------------------------------------------------------------------------------------------------
                                                                   % of
                                                                 Mortgage
                                                                  Pool by
                                                   Aggregate     Aggregate     Weighted     Weighted      Weighted
                                         Number     Cut-off       Cut-off      Average      Average       Average      Weighted
                                           of        Date           Date        Gross      Remaining        Comb       Average
                                        Mortgage   Principal     Principal     Interest       Term        Original       FICO
Property Type                            Loans    Balance ($)     Balance      Rate (%)     (months)        LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
Single Family Residence                    2,848  517,356,036        74.22        7.485          352        79.00          631
2-4 Family                                   317   73,846,984        10.59        7.588          355        79.36          650
Planned Unit Development                     303   58,189,235         8.35        7.381          353        82.16          647
Condo                                        292   47,711,872         6.84        7.597          355        79.88          637
------------------------------------------------------------------------------------------------------------------------------------
Total:                                     3,760  697,104,127       100.00        7.495          353        79.36          635
------------------------------------------------------------------------------------------------------------------------------------

18. Loan Purpose

------------------------------------------------------------------------------------------------------------------------------------
                                                                   % of
                                                                 Mortgage
                                                                  Pool by
                                                   Aggregate     Aggregate     Weighted     Weighted      Weighted
                                         Number     Cut-off       Cut-off      Average      Average       Average      Weighted
                                           of        Date           Date        Gross      Remaining        Comb       Average
                                        Mortgage   Principal     Principal     Interest       Term        Original       FICO
Loan Purpose                             Loans    Balance ($)     Balance      Rate (%)     (months)         LTV        Score
------------------------------------------------------------------------------------------------------------------------------------
Refinance - Cashout                        1,930  372,228,449        53.40        7.435          352        76.67          618
Purchase                                   1,709  305,400,559        43.81        7.576          355        82.83          656
Refinance - Rate Term                        121   19,475,119         2.79        7.347          340        76.29          620
------------------------------------------------------------------------------------------------------------------------------------
Total:                                     3,760  697,104,127       100.00        7.495          353        79.36          635
------------------------------------------------------------------------------------------------------------------------------------

19. Documentation Level

------------------------------------------------------------------------------------------------------------------------------------
                                                                   % of
                                                                 Mortgage
                                                                  Pool by
                                                   Aggregate     Aggregate     Weighted     Weighted      Weighted
                                         Number     Cut-off       Cut-off      Average      Average       Average      Weighted
                                           of        Date           Date        Gross      Remaining        Comb       Average
                                        Mortgage   Principal     Principal     Interest       Term        Original       FICO
Documentation Level                      Loans    Balance ($)     Balance      Rate (%)     (months)        LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
Stated Documentation                       3,760  697,104,127       100.00        7.495          353        79.36          635
------------------------------------------------------------------------------------------------------------------------------------
Total:                                     3,760  697,104,127       100.00        7.495          353        79.36          635
------------------------------------------------------------------------------------------------------------------------------------

20. Credit Score

------------------------------------------------------------------------------------------------------------------------------------
                                                                   % of
                                                                 Mortgage
                                                                  Pool by
                                                   Aggregate     Aggregate     Weighted     Weighted      Weighted
                                         Number     Cut-off       Cut-off      Average      Average       Average      Weighted
                                           of        Date           Date        Gross      Remaining        Comb       Average
                                        Mortgage   Principal     Principal     Interest       Term        Original       FICO
Credit Score                             Loans    Balance ($)     Balance      Rate (%)     (months)        LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
500 - 524                                    112   17,812,432         2.56        8.997          356        71.03          513
525 - 549                                    232   39,829,473         5.71        8.504          354        73.57          537
550 - 574                                    310   54,248,638         7.78        7.832          355        74.94          563
575 - 599                                    388   69,316,711         9.94        7.759          353        77.47          587
600 - 624                                    477   95,429,517        13.69        7.432          353        79.31          613
625 - 649                                    780  147,814,977        21.20        7.380          354        81.96          638
650 - 674                                    631  115,978,014        16.64        7.308          353        80.48          661
675 - 699                                    408   73,993,495        10.61        7.238          350        80.23          686
700 - 724                                    223   42,366,705         6.08        6.957          347        81.40          711
725 - 749                                    111   21,077,833         3.02        7.050          349        82.00          738
750 - 774                                     54   10,968,599         1.57        7.321          351        82.98          761
775 - 799                                     31    7,595,101         1.09        6.804          349        78.98          785
800 +                                          3      672,634         0.10        6.541          357        74.66          810
------------------------------------------------------------------------------------------------------------------------------------
Total:                                     3,760  697,104,127       100.00        7.495          353        79.36          635
------------------------------------------------------------------------------------------------------------------------------------
Minimum: 500
Maximum: 813
Non-Zero Weighted Average: 635

21. Prepayment Penalty Term

------------------------------------------------------------------------------------------------------------------------------------
                                                                   % of
                                                                 Mortgage
                                                                  Pool by
                                                   Aggregate     Aggregate     Weighted     Weighted      Weighted
                                         Number     Cut-off       Cut-off      Average      Average       Average      Weighted
                                           of        Date           Date        Gross      Remaining        Comb       Average
                                        Mortgage   Principal     Principal     Interest       Term        Original       FICO
Prepayment Penalty Term                  Loans    Balance ($)     Balance      Rate (%)     (months)        LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
0                                            783  145,258,851        20.84        7.786          349        80.48          636
12                                           162   35,768,642         5.13        7.476          353        77.99          645
24                                         1,799  344,794,296        49.46        7.409          356        80.32          627
36                                           938  161,377,572        23.15        7.421          349        76.48          646
60                                            78    9,904,765         1.42        7.475          346        81.29          659
------------------------------------------------------------------------------------------------------------------------------------
Total:                                     3,760  697,104,127       100.00        7.495          353        79.36          635
------------------------------------------------------------------------------------------------------------------------------------
Non-Zero Minimum: 12
Maximum: 60
Non-Zero Weighted Average: 27

22. Lien Position

------------------------------------------------------------------------------------------------------------------------------------
                                                                   % of
                                                                 Mortgage
                                                                  Pool by
                                                   Aggregate     Aggregate     Weighted     Weighted      Weighted
                                         Number     Cut-off       Cut-off      Average      Average       Average      Weighted
                                           of        Date           Date        Gross      Remaining        Comb       Average
                                        Mortgage   Principal     Principal     Interest       Term        Original       FICO
Lien Position                            Loans    Balance ($)     Balance      Rate (%)     (months)        LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
1st Lien                                   3,607  688,604,307        98.78        7.450          353        79.10          634
2nd Lien                                     153    8,499,820         1.22       11.074          308        99.93          690
------------------------------------------------------------------------------------------------------------------------------------
Total:                                     3,760  697,104,127       100.00        7.495          353        79.36          635
------------------------------------------------------------------------------------------------------------------------------------

23. Interest Only Term

------------------------------------------------------------------------------------------------------------------------------------
                                                                   % of
                                                                 Mortgage
                                                                  Pool by
                                                   Aggregate     Aggregate     Weighted     Weighted      Weighted
                                         Number     Cut-off       Cut-off      Average      Average       Average      Weighted
                                           of        Date           Date        Gross      Remaining        Comb       Average
                                        Mortgage   Principal     Principal     Interest       Term        Original       FICO
Interest Only Term                       Loans    Balance ($)     Balance      Rate (%)     (months)          LTV        Score
------------------------------------------------------------------------------------------------------------------------------------
0                                          3,473  620,214,563        88.97        7.574          353        79.05          630
24                                           195   52,780,903         7.57        7.117          357        82.48          669
36                                            18    4,762,180         0.68        7.068          357        83.06          657
60                                            44   10,479,270         1.50        7.240          357        80.44          682
120                                           30    8,867,212         1.27        4.739          297        79.24          719
------------------------------------------------------------------------------------------------------------------------------------
Total:                                     3,760  697,104,127       100.00        7.495          353        79.36          635
------------------------------------------------------------------------------------------------------------------------------------

This information is being delivered to a specific number of prospective sophisticated investors in order to assist them in determining whether they have an interest in the type of security described herein. It has been prepared solely for information purposes and is not an offer to buy or sell or a solicitation of an offer to buy or sell any security or instrument or to participate in any trading strategy. This material is based on information that Morgan Stanley & Co. Incorporated ("Morgan Stanley") considers reliable. Morgan Stanley makes no representation or warranty with respect to the accuracy or completeness of the information, or with respect to the terms of any future offer of securities conforming to the terms hereof. Any such offer of securities would be made pursuant to a definitive Prospectus or Private Placement Memorandum, as the case may be, prepared by the issuer which could contain material information not contained herein and to which the prospective purchasers are referred. In the event of any such offering, this information shall be deemed superseded, amended and supplemented in its entirety by such Prospectus or Private Placement Memorandum. Such Prospectus or Private Placement Memorandum will contain all material information in respect of any securities offered thereby and any decision to invest in such securities should be made solely in reliance upon such Prospectus or Private Placement Memorandum. The information contained here in may be based on certain assumptions regarding market conditions and other matters and is therefore subject to change. We make no representations regarding the reasonableness of such assumptions or the likelihood that any of such assumptions will coincide with actual market conditions or events, and this material should not be relied on for such purposes. No representation is made that any returns indicated will be achieved. Changes to the assumptions may have a material impact on any returns detailed. Morgan Stanley disclaims any and all liability relating to this information, including without limitation any express or implied representations or warranties for, statements contained in, and omissions from the information contained here in. Additional information is available upon request. Morgan Stanley and others associated with it may have positions in, and may effect transaction in, securities and instruments of issuers mentioned herein and may also perform or seek to perform investment banking services for the issuers of such securities and instruments. Past performance is not necessarily indicative of future results. Price and availability are subject to change without notice. Information contained in this material is current as of the date appearing on this material only. Information in this material regarding any assets backing any securities discussed herein supercedes all prior information regarding such assets. Morgan Stanley is acting as the lead underwriter and not acting as agent for the issuer or its affiliates in connection with the proposed transaction. To our readers worldwide: In addition, please note that this publication has been issued by Morgan Stanley, approved by Morgan Stanley International Limited, a member of The Securities and Futures Authority, and by Morgan Stanley Japan Ltd. We recommend that such investors obtain the advice of their Morgan Stanley, Morgan Stanley International or Morgan Stanley Japan Ltd. representative about the investments concerned. NOT FOR DISTRIBUTION TO PRIVATE CUSTOMERS AS DEFINED BY THE U.K. SECURITIES AND FUTURES AUTHORITY.


This information is being delivered to a specific number of prospective sophisticated investors in order to assist them in determining whether they have an interest in the type of security described herein. It has been prepared solely for information purposes and is not an offer to buy or sell or a solicitation of an offer to buy or sell any security or instrument or to participate in any trading strategy. This material is based on information that Morgan Stanley & Co. Incorporated ("Morgan Stanley") considers reliable. Morgan Stanley makes no representation or warranty with respect to the accuracy or completeness of the information, or with respect to the terms of any future offer of securities conforming to the terms hereof. Any such offer of securities would be made pursuant to a definitive Prospectus or Private Placement Memorandum, as the case may be, prepared by the issuer which could contain material information not contained herein and to which the prospective purchasers are referred. In the event of any such offering, this information shall be deemed superseded, amended and supplemented in its entirety by such Prospectus or Private Placement Memorandum. Such Prospectus or Private Placement Memorandum will contain all material information in respect of any securities offered thereby and any decision to invest in such securities should be made solely in reliance upon such Prospectus or Private Placement Memorandum. The information contained here in may be based on certain assumptions regarding market conditions and other matters and is therefore subject to change. We make no representations regarding the reasonableness of such assumptions or the likelihood that any of such assumptions will coincide with actual market conditions or events, and this material should not be relied on for such purposes. No representation is made that any returns indicated will be achieved. Changes to the assumptions may have a material impact on any returns detailed. Morgan Stanley disclaims any and all liability relating to this information, including without limitation any express or implied representations or warranties for, statements contained in, and omissions from the information contained here in. Additional information is available upon request. Morgan Stanley and others associated with it may have positions in, and may effect transaction in, securities and instruments of issuers mentioned herein and may also perform or seek to perform investment banking services for the issuers of such securities and instruments. Past performance is not necessarily indicative of future results. Price and availability are subject to change without notice. Information contained in this material is current as of the date appearing on this material only. Information in this material regarding any assets backing any securities discussed herein supercedes all prior information regarding such assets. Morgan Stanley is acting as the lead underwriter and not acting as agent for the issuer or its affiliates in connection with the proposed transaction. To our readers worldwide: In addition, please note that this publication has been issued by Morgan Stanley, approved by Morgan Stanley International Limited, a member of The Securities and Futures Authority, and by Morgan Stanley Japan Ltd. We recommend that such investors obtain the advice of their Morgan Stanley, Morgan Stanley International or Morgan Stanley Japan Ltd. representative about the investments concerned. NOT FOR DISTRIBUTION TO PRIVATE CUSTOMERS AS DEFINED BY THE U.K. SECURITIES AND FUTURES AUTHORITY.



Please fill in all blue values!
Thank You!

                              ARM             FRM          Total/Avg.
----------------------------------------------------------------------
Percentage Bal.              74.35%          25.65%          100.00%
Deal Balance             1,275,983,391    440,258,697    1,716,242,088
WAM                           356             337
WALA                           3               3
WAC                          7.283           7.306

LTV                          80.93           76.03
FICO                          611             636
Avg. Loan Size              182,439.72     142,848.38
Stated Document %            44.42           29.60
DTI                          41.10           40.18
IO %                         14.54            2.81
Second Lien %                 0.00            3.35
Property Type                 1.00            1.00
------------------------
Single Family %              76.79           77.74
PUD %                         8.98            8.12
2-4 Unit %                    7.51            9.96
CO %                          6.55            4.06
MH %                          0.00            0.00
Occupancy Type                1.00            1.00
------------------------
Owner Occupied               93.93           94.12
2nd Home                      0.85            0.25
Investor Prop.                5.22            5.63
Loan Purpose                  1.00            1.00
------------------------
Purchase                     39.06           19.22
Cash-Out                     56.84           74.44
Rate-Reduction                4.10            6.35
----------------------------------------------------------------------




  ARM       Check            FRM      Check
          ---------                 ---------
           100.00%                   100.00%
          ---------                 ---------
  State    Percent          State    Percent
--------------------       ------------------
    NY      4.78              NY      10.57
    PA      1.51              PA      1.92
    OH      1.72              OH      1.76
    NJ      3.96              NJ      2.81
    GA      1.53              GA      1.14
    FL      11.39             FL      12.56
    IL      2.61              IL      0.90
   Other    72.49            Other    68.35



This information is being delivered to a specific number of prospective sophisticated investors in order to assist them in determining whether they have an interest in the type of security described herein. It has been prepared solely for information purposes and is not an offer to buy or sell or a solicitation of an offer to buy or sell any security or instrument or to participate in any trading strategy. This material is based on information that Morgan Stanley & Co. Incorporated ("Morgan Stanley") considers reliable. Morgan Stanley makes no representation or warranty with respect to the accuracy or completeness of the information, or with respect to the terms of any future offer of securities conforming to the terms hereof. Any such offer of securities would be made pursuant to a definitive Prospectus or Private Placement Memorandum, as the case may be, prepared by the issuer which could contain material information not contained herein and to which the prospective purchasers are referred. In the event of any such offering, this information shall be deemed superseded, amended and supplemented in its entirety by such Prospectus or Private Placement Memorandum. Such Prospectus or Private Placement Memorandum will contain all material information in respect of any securities offered thereby and any decision to invest in such securities should be made solely in reliance upon such Prospectus or Private Placement Memorandum. The information contained here in may be based on certain assumptions regarding market conditions and other matters and is therefore subject to change. We make no representations regarding the reasonableness of such assumptions or the likelihood that any of such assumptions will coincide with actual market conditions or events, and this material should not be relied on for such purposes. No representation is made that any returns indicated will be achieved. Changes to the assumptions may have a material impact on any returns detailed. Morgan Stanley disclaims any and all liability relating to this information, including without limitation any express or implied representations or warranties for, statements contained in, and omissions from the information contained here in. Additional information is available upon request. Morgan Stanley and others associated with it may have positions in, and may effect transaction in, securities and instruments of issuers mentioned herein and may also perform or seek to perform investment banking services for the issuers of such securities and instruments. Past performance is not necessarily indicative of future results. Price and availability are subject to change without notice. Information contained in this material is current as of the date appearing on this material only. Information in this material regarding any assets backing any securities discussed herein supercedes all prior information regarding such assets. Morgan Stanley is acting as the lead underwriter and not acting as agent for the issuer or its affiliates in connection with the proposed transaction. To our readers worldwide: In addition, please note that this publication has been issued by Morgan Stanley, approved by Morgan Stanley International Limited, a member of The Securities and Futures Authority, and by Morgan Stanley Japan Ltd. We recommend that such investors obtain the advice of their Morgan Stanley, Morgan Stanley International or Morgan Stanley Japan Ltd. representative about the investments concerned. NOT FOR DISTRIBUTION TO PRIVATE CUSTOMERS AS DEFINED BY THE U.K. SECURITIES AND FUTURES AUTHORITY.



Please fill in all values!
Thank You!

                                   ARM             FRM
----------------------------------------------------------
Percentage Bal.                   74.35%          25.65%
Deal Balance                  1,275,983,391    440,258,697



Gross WAC                         7.283%          7.306%

CLTV (incld. Sil. 2nds)           85.20           78.04
FICO                               611             636
Loan Balance                    182439.72       142848.38
Stated Document %                 44.42           29.60
DTI                               41.10           40.18
IO %                              14.54            2.81
Second Lien %                      0.00            3.35
Silent Seconds %                  22.62           10.81
Property Type                      1.00            1.00
-------------------------
Single Family %                   76.79           77.74
PUD %                              8.98            8.12
2-4 Unit %                         7.51            9.96
CO%                                6.55            4.06
MH %                               0.00            0.00
Occupancy Type                                     1.00
-------------------------
Owner Occupied                    93.93           94.12
2nd Home                           0.85            0.25
Investor Prop.                     5.22            5.63
Loan Purpose                       1.00            1.00
-------------------------
Purchase                          39.06           19.22
Cash-Out                          56.84           74.44
Rate-Reduction                     4.10            6.35
----------------------------------------------------------

                                    IO            Non-IO
----------------------------------------------------------
Percentage Bal.                   11.53%          88.47%
Deal Balance                   197,889,459    1,518,352,629



Gross WAC                         6.474%          7.395%

CLTV (incld. Sil. 2nds)           91.46           82.31
FICO                               658             612
Loan Balance                    254356.63       163298.84
Stated Document %                 38.85           40.85
DTI                               41.71           40.75
IO %                              100.00           0.00
Second Lien %                      0.00            0.97
Silent Seconds %                  48.71           15.80
Property Type                      1.00            1.00
-------------------------
Single Family %                   71.31           77.78
PUD %                             14.93            7.95
2-4 Unit %                         4.40            8.63
CO%                                9.16            5.49
MH %                               0.00            0.00
Occupancy Type                     1.00            1.00
-------------------------
Owner Occupied                    99.11           93.31
2nd Home                           0.89            0.67
Investor Prop.                     0.00            6.02
Loan Purpose                       1.00            1.00
-------------------------
Purchase                          57.54           30.89
Cash-Out                          38.60           64.32
Rate-Reduction                     3.86            4.79
----------------------------------------------------------


This information is being delivered to a specific number of prospective sophisticated investors in order to assist them in determining whether they have an interest in the type of security described herein. It has been prepared solely for information purposes and is not an offer to buy or sell or a solicitation of an offer to buy or sell any security or instrument or to participate in any trading strategy. This material is based on information that Morgan Stanley & Co. Incorporated ("Morgan Stanley") considers reliable. Morgan Stanley makes no representation or warranty with respect to the accuracy or completeness of the information, or with respect to the terms of any future offer of securities conforming to the terms hereof. Any such offer of securities would be made pursuant to a definitive Prospectus or Private Placement Memorandum, as the case may be, prepared by the issuer which could contain material information not contained herein and to which the prospective purchasers are referred. In the event of any such offering, this information shall be deemed superseded, amended and supplemented in its entirety by such Prospectus or Private Placement Memorandum. Such Prospectus or Private Placement Memorandum will contain all material information in respect of any securities offered thereby and any decision to invest in such securities should be made solely in reliance upon such Prospectus or Private Placement Memorandum. The information contained here in may be based on certain assumptions regarding market conditions and other matters and is therefore subject to change. We make no representations regarding the reasonableness of such assumptions or the likelihood that any of such assumptions will coincide with actual market conditions or events, and this material should not be relied on for such purposes. No representation is made that any returns indicated will be achieved. Changes to the assumptions may have a material impact on any returns detailed. Morgan Stanley disclaims any and all liability relating to this information, including without limitation any express or implied representations or warranties for, statements contained in, and omissions from the information contained here in. Additional information is available upon request. Morgan Stanley and others associated with it may have positions in, and may effect transaction in, securities and instruments of issuers mentioned herein and may also perform or seek to perform investment banking services for the issuers of such securities and instruments. Past performance is not necessarily indicative of future results. Price and availability are subject to change without notice. Information contained in this material is current as of the date appearing on this material only. Information in this material regarding any assets backing any securities discussed herein supercedes all prior information regarding such assets. Morgan Stanley is acting as the lead underwriter and not acting as agent for the issuer or its affiliates in connection with the proposed transaction. To our readers worldwide: In addition, please note that this publication has been issued by Morgan Stanley, approved by Morgan Stanley International Limited, a member of The Securities and Futures Authority, and by Morgan Stanley Japan Ltd. We recommend that such investors obtain the advice of their Morgan Stanley, Morgan Stanley International or Morgan Stanley Japan Ltd. representative about the investments concerned. NOT FOR DISTRIBUTION TO PRIVATE CUSTOMERS AS DEFINED BY THE U.K. SECURITIES AND FUTURES AUTHORITY.


------------------------------------------------------------------------------------------------------------------------------------
                         % of pool  average LTV   LTV above 80%   LTV above 90%   % full doc   % owner occ   ave wac   % below 100k
A       FICO below 600      38.34         77.88           38.37            4.48        68.18         96.74     7.792          15.68
        FICO below 580      28.02          77.3           37.63            3.91        70.13         97.18     7.955          16.45
        FICO below 560      18.76         76.31           32.73            1.78        72.34         97.54     8.103          17.56
------------------------------------------------------------------------------------------------------------------------------------


-------------------------------------------------
        % above 500k   % IO   ave DTI   DTI > 45%
A               0.71   0.81     40.83       38.63
                0.46      0     40.89       39.18
                0.17      0     41.07       40.06
-------------------------------------------------

------------------------------------------------------------------------------------------------------------------------------------
                        % of pool   average LTV   FICO <600   FICO < 575   % full doc    % owner occ   ave wac   % below 100k
B       LTV above 85%        24.2         91.83       29.71        16.29         57.64         93.61     7.685           13.16
        LTV above 90%        7.86         96.32       21.88        12.01         67.53         99.78     8.105           21.31
        LTV above 95%        2.32         99.93        5.46         0.33         66.79           100     9.033           47.13
------------------------------------------------------------------------------------------------------------------------------------


----------------------------------------------------------------------------------
        % above 500k   % IO    ave DTI   DTI > 45%   LTV above 80%   LTV above 90%
B               0.95   11.39     41.05        39.8             100           32.47
                0.41   11.65     41.43       40.75             100             100
                   0    7.41     42.27       42.83             100             100
----------------------------------------------------------------------------------

------------------------------------------------------------------------------------------------------------------------------------
                        % of pool   average LTV   FICO <600   FICO < 575   % full doc    % owner occ   ave wac   % below 100k
C         DTI > 40%         62.33         80.39       37.11        24.94         53.55         95.02     7.284            9.44
          DTI > 45%         37.19         80.53       39.83        27.39          59.8         94.78     7.257            8.88
          DTI > 50%          4.82         72.85       53.97        39.62         81.04         94.28     7.228           11.23
------------------------------------------------------------------------------------------------------------------------------------


----------------------------------------------------------------------------------
        % above 500k   % IO    ave DTI   DTI > 45%   LTV above 80%   LTV above 90%
C               1.96   12.48     46.28       59.67           39.45            8.26
                1.99   13.45     48.56         100           40.71            8.61
                3.34    1.14     52.73         100           22.28            1.27
----------------------------------------------------------------------------------

------------------------------------------------------------------------------------------------------------------------------------
D        Non Owner Occ     % of pool   average LTV   FICO <600   FICO < 575   % full doc    % owner occ   ave wac   % below 100k
          Stated Docs          46.67         79.62       15.54         8.01             0             0     7.947           15.62
        Loans below 100k       19.69         78.24       35.44        21.53         58.38             0     8.277             100
            IO Loans             1.7            84           0            0         79.22             0     6.177               0
------------------------------------------------------------------------------------------------------------------------------------


-------------------------------------------------------------------------------
D       % above 500k   % IO    ave DTI   DTI > 45%     LTV > 80%      LTV > 90%
                2.39       0     37.94       31.16           44.41           0
                   0       0     38.14       28.36            39.1        0.78
                   0     100     43.64       58.92            63.1           0
-------------------------------------------------------------------------------

-----------------------------------------------------------------------------------------------------------
E     When do IOs reset
      -----------------------------------------------------------------------------------------------------
      Months to next reset   Count   Balance ($)   % of Balance    WAC    Remaining Term   WA LTV   WA FICO
      -----------------------------------------------------------------------------------------------------
      0                         51    12,382,706           6.26   6.301              356     80.1       671
      1                         52    15,560,172           7.86   4.816              297    81.03       725
      18                         9     2,636,657           1.33   5.676              354    79.82       620
      19                        14     3,665,068           1.85   5.825              355    79.76       661
      20                        73    20,124,490          10.17   6.416              356    81.58       628
      21                       397   102,962,216          52.03    6.72              357    82.54       657
      22                        51    11,398,174           5.76   6.886              358    79.54       648
      30                         1       167,199           0.08    5.17              354       80       620
      31                        12     3,101,602           1.57   5.867              355    80.87       635
      32                        37     8,321,572           4.21   6.808              356    84.31       651
      33                        77    16,880,802           8.53   6.626              357    83.39       651
      56                         1       159,200           0.08    6.53              356       80       681
      57                         3       529,600           0.27   6.913              357    77.44       619
      -----------------------------------------------------------------------------------------------------
      Total:                   778   197,889,459            100   6.474              352    82.01       658
-----------------------------------------------------------------------------------------------------------


F Is DTI off current mortgage rate for IO Y

------------------------------------------------------------------------------------------------------------------
G    Summary of pool per NC grades
     -------------------------------------------------------------------------------------------------------------
     New Century Credit Grade    Count     Balance ($)    % of Balance    WAC    Remaining Term   WA LTV   WA FICO
     -------------------------------------------------------------------------------------------------------------
     A                              916     151,916,369           8.85   7.452              353    81.22       605
     AA                           3,953     717,790,737          41.82    7.09              350    81.04       634
     A-                             897     138,573,050           8.07   7.682              351    77.88       572
     A+                           3,112     528,070,091          30.77    7.21              353    79.86       627
     B                              721     105,863,216           6.17   7.973              353    75.41       556
     B+                               1         114,816           0.01   9.155              357    60.53       517
     C                              378      53,004,011           3.09    8.34              354    69.35       557
     C-                              46       5,349,626           0.31   10.121             355    62.51       547
     FICO                            52      15,560,172           0.91   4.816              297    81.03       725
     -------------------------------------------------------------------------------------------------------------
     Total:                      10,076   1,716,242,088            100   7.289              351    79.67       617
------------------------------------------------------------------------------------------------------------------

--------------------------------------------------------------------------------------------------------------------
H    What are top 10 cities and average strats for each
     ---------------------------------------------------------------------------------------------------------------
     Top 10 Cities of Overall Pool    Loans     Balance ($)      Balance      Rate (%)   (months)     LTV      Score
     ---------------------------------------------------------------------------------------------------------------
     Los Angeles CA                      175      43,112,275           2.51   6.962           353    74.79       628
     Miami FL                            237      36,163,112           2.11   7.355           350    80.16       621
     Las Vegas NV                        155      30,475,500           1.78   7.395           355    81.68       623
     San Diego CA                         60      17,164,959              1   6.801           356    73.49       623
     Sacramento CA                        80      14,787,870           0.86   7.206           351    80.82       622
     Fontana CA                           59      13,228,179           0.77   7.028           353    78.89       610
     Houston TX                          141      12,463,984           0.73   8.027           315    75.65       599
     Chicago IL                           68      12,461,877           0.73   7.597           352    82.12       609
     Riverside CA                         56      12,158,114           0.71   6.895           354    76.27       628
     Brooklyn NY                          44      11,904,915           0.69   7.029           357    74.99       632
     Other                             9,001   1,512,321,303          88.12   7.299           351     79.9       617
     ---------------------------------------------------------------------------------------------------------------
     Total:                           10,076   1,716,242,088            100   7.289           351    79.67       617
--------------------------------------------------------------------------------------------------------------------

-----------------------------------------------------------------------------------------------------------------
I    What % of pool are LTV above 90% and stated doc, IO, FICO below 600 or NOO?
     ------------------------------------------------------------------------------------------------------------
                                                                                            % non-
                                                                   % stated                 owner     % Fico Less
     LTV > 90       Loans   Balance ($)   % of Balance   Rate (%)   Doctype    % IO Loans   Occupied    Than 600
     ------------------------------------------------------------------------------------------------------------
     LTV > 90         966   134,872,495           7.86      8.105      29.45        11.65       0.22        21.88
-----------------------------------------------------------------------------------------------------------------


J What is max LTV for stated income and minimum FICO for stated income? Max LTV for Stated Income Documentation: 100.00 Min Fico for Stated Income Documentation: 500


K What is min FICO for loans above 90% LTV Min Fico for ltv greater than 90: 538

L Seasoning hisotry - any over 3m?
M For loans below 100k do for D above but for top 5 MSAs


MORGAN STANLEY
MSAC 2004-HE9
All records

Table of Contents

1. Summary Statistics
2. Originator
3. Product Types
4. Range of Gross Interest Rates (%)
5. Range of Cut-off Date Principal Balances ($)
6. Stated Original Term (months)
7. Range of Stated Remaining Terms (months)
8. Range of Combined Original LTV Ratios (%)
9. Range of Gross Margins (%)
10. Range of Minimum Mortgage Rates (%)
11. Range of Maximum Mortgage Rates (%)
12. Initial Periodic Cap (%)
13. Subsequent Periodic Cap (%)
14. Next Rate Adjustment Dates
15. Geographic Distribution of Mortgaged Properties
16. Occupancy
17. Property Type
18. Loan Purpose
19. Documentation Level
20. Credit Score
21. Prepayment Penalty Term
22. Lien Position
23. Interest Only Term

1. Summary Statistics

Number of Mortgage Loans: 10,076
Aggregate Principal Balance ($): 1,716,242,088 Weighted Average Current Mortgage Rate (%): 7.289 Non-Zero Weighted Average Margin (%): 5.652 Non-Zero Weighted Average Maximum Rate (%): 13.976 Weighted Average Stated Original Term (months): 354 Weighted Average Stated Remaining Term (months): 351 Weighted Average Combined Original LTV (%): 79.67 % First Liens: 99.14
% Owner Occupied: 93.98
% Purchase: 33.97
% Full Doc: 54.93
Weighted Average Credit Score: 617

 2. Originator

------------------------------------------------------------------------------------------------------------------------------------
                                                                  % of
                                                                Mortgage
                                                                 Pool by
                                              Aggregate         Aggregate       Weighted       Weighted       Weighted
                                    Number     Cut-off           Cut-off        Average        Average         Average      Weighted
                                      of         Date              Date          Gross        Remaining         Comb        Average
                                   Mortgage   Principal         Principal       Interest         Term         Original        FICO
 Originator                         Loans     Balance ($)        Balance        Rate (%)       (months)          LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
 Aames                               2,781    451,134,221          26.29          7.497            354          78.70           605
 Accredited                          1,708    274,503,370          15.99          7.412            353          81.23           623
 New Century                         5,587    990,604,496          57.72          7.160            349          79.68           621
------------------------------------------------------------------------------------------------------------------------------------
 Total:                             10,076  1,716,242,088         100.00          7.289            351          79.67           617
------------------------------------------------------------------------------------------------------------------------------------

3. Product Types

------------------------------------------------------------------------------------------------------------------------------------
                                                                  % of
                                                                Mortgage
                                                                 Pool by
                                              Aggregate         Aggregate       Weighted       Weighted       Weighted
                                    Number     Cut-off           Cut-off        Average        Average         Average      Weighted
                                      of         Date              Date          Gross        Remaining         Comb        Average
                                   Mortgage   Principal         Principal       Interest         Term         Original        FICO
 Product Types                      Loans    Balance ($)         Balance        Rate (%)       (months)          LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
 Fixed - 10 Year                        21      1,429,838           0.08          7.720            117          71.84           641
 Fixed - 15 Year                       301     28,777,380           1.68          7.308            177          69.85           619
 Fixed - 20 Year                       317     24,436,427           1.42          8.214            237          78.97           634
 Fixed - 25 Year                        37      3,712,987           0.22          7.906            297          74.36           610
 Fixed - 30 Year                     2,355    369,519,358          21.53          7.271            357          76.21           636
 ARM - 2 Year/6 Month                5,375    946,606,648          55.16          7.415            357          80.61           602
 ARM - 3 Year/6 Month                  839    133,708,520           7.79          7.476            357          81.83           613
 ARM - 5 Year/6 Month                   53     10,161,470           0.59          6.957            358          76.40           629
 ARM - 2 Year IO/6 Month               544    140,786,605           8.20          6.648            357          82.04           651
 ARM - 3 Year IO/6 Month               127     28,471,176           1.66          6.588            356          83.36           649
 ARM - 5 Year IO/6 Month                 4        688,800           0.04          6.824            357          78.03           634
 ARM - 10 Year IO/1 Month               52     15,560,172           0.91          4.816            297          81.03           725
 Interest Only Fixed - 30 Year          51     12,382,706           0.72          6.301            356          80.10           671
------------------------------------------------------------------------------------------------------------------------------------
 Total:                             10,076  1,716,242,088         100.00          7.289            351          79.67           617
------------------------------------------------------------------------------------------------------------------------------------

4. Range of Gross Interest Rates (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                  % of
                                                                Mortgage
                                                                 Pool by
                                              Aggregate         Aggregate       Weighted       Weighted       Weighted
                                    Number     Cut-off           Cut-off        Average        Average         Average      Weighted
                                      of         Date              Date          Gross        Remaining         Comb        Average
                                   Mortgage   Principal         Principal       Interest         Term         Original        FICO
 Range of Gross Interest Rates(%)   Loans     Balance ($)        Balance        Rate (%)       (months)          LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
 4.000 - 4.999                          49     14,685,425           0.86          4.717            305          80.57           729
 5.000 - 5.999                         692    167,065,588           9.73          5.759            352          75.48           649
 6.000 - 6.999                       2,943    584,316,900          34.05          6.587            351          77.77           635
 7.000 - 7.999                       3,468    589,533,110          34.35          7.525            353          81.13           610
 8.000 - 8.999                       1,942    270,200,388          15.74          8.484            352          82.10           584
 9.000 - 9.999                         520     58,421,671           3.40          9.444            352          81.05           564
 10.000 - 10.999                       281     20,729,915           1.21         10.521            331          83.82           600
 11.000 - 11.999                       157      9,416,624           0.55         11.396            315          90.73           613
 12.000 - 12.999                        23      1,823,488           0.11         12.425            337          86.70           580
 13.000 - 13.999                         1         48,978           0.00         13.055            358          70.00           542
------------------------------------------------------------------------------------------------------------------------------------
 Total:                             10,076  1,716,242,088         100.00          7.289            351          79.67           617
------------------------------------------------------------------------------------------------------------------------------------
 Minimum: 4.125
 Maximum: 13.055
 Weighted Average: 7.289

5. Range of Cut-off Date Principal Balances ($)

------------------------------------------------------------------------------------------------------------------------------------
                                                                  % of
                                                                Mortgage
                                                                 Pool by
                                              Aggregate         Aggregate       Weighted       Weighted       Weighted
                                    Number     Cut-off           Cut-off        Average        Average         Average      Weighted
                                      of         Date              Date          Gross        Remaining         Comb        Average
 Range of Cut-off Date Principal   Mortgage   Principal         Principal       Interest         Term         Original        FICO
 Balances ($)                       Loans     Balance ($)        Balance        Rate (%)       (months)          LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
 1 - 25,000                             17        380,343           0.02         11.158            237         100.00           657
 25,001 - 50,000                       354     15,166,131           0.88          9.448            281          77.82           615
 50,001 - 75,000                     1,152     72,856,195           4.25          8.349            335          78.06           602
 75,001 - 100,000                    1,399    123,113,859           7.17          7.845            345          79.04           607
 100,001 - 125,000                   1,301    146,384,195           8.53          7.603            351          79.51           608
 125,001 - 150,000                   1,163    160,311,104           9.34          7.439            351          78.93           611
 150,001 - 175,000                     865    140,342,689           8.18          7.310            352          78.84           614
 175,001 - 200,000                     765    143,743,571           8.38          7.303            353          78.46           607
 200,001 - 225,000                     620    132,097,924           7.70          7.309            354          79.27           609
 225,001 - 250,000                     442    105,300,911           6.14          7.165            353          78.55           617
 250,001 - 275,000                     445    116,513,070           6.79          7.037            355          80.14           617
 275,001 - 300,000                     354    101,669,799           5.92          6.936            355          80.16           624
 300,001 - 325,000                     255     79,582,558           4.64          7.116            356          81.55           621
 325,001 - 350,000                     231     77,881,539           4.54          6.911            353          80.67           628
 350,001 - 375,000                     202     73,167,050           4.26          6.905            352          81.91           631
 375,001 - 400,000                     157     60,902,195           3.55          6.753            354          81.58           641
 400,001 - 425,000                      91     37,563,143           2.19          6.876            353          81.18           630
 425,001 - 450,000                      68     29,756,083           1.73          6.917            356          82.35           627
 450,001 - 475,000                      60     27,765,239           1.62          6.632            356          81.70           653
 475,001 - 500,000                      79     38,884,297           2.27          6.984            355          81.02           637
 500,001 - 750,000                      56     32,860,192           1.91          6.707            356          78.55           651
------------------------------------------------------------------------------------------------------------------------------------
 Total:                             10,076  1,716,242,088         100.00          7.289            351          79.67           617
------------------------------------------------------------------------------------------------------------------------------------
 Minimum: 19,914
 Maximum: 750,000
 Average: 170,330

6. Stated Original Term (months)

------------------------------------------------------------------------------------------------------------------------------------
                                                                  % of
                                                                Mortgage
                                                                 Pool by
                                              Aggregate         Aggregate       Weighted       Weighted       Weighted
                                    Number     Cut-off           Cut-off        Average        Average         Average      Weighted
                                      of         Date              Date          Gross        Remaining         Comb        Average
                                   Mortgage   Principal         Principal       Interest         Term         Original        FICO
 Stated Original Term (months)      Loans     Balance ($)        Balance        Rate (%)       (months)          LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
 120                                    21      1,429,838           0.08          7.720            117          71.84           641
 180                                   302     28,850,869           1.68          7.319            177          69.90           619
 240                                   317     24,436,427           1.42          8.214            237          78.97           634
 300                                    89     19,273,159           1.12          5.411            297          79.74           703
 360                                 9,347  1,642,251,794          95.69          7.296            357          79.86           616
------------------------------------------------------------------------------------------------------------------------------------
 Total:                             10,076  1,716,242,088         100.00          7.289            351          79.67           617
------------------------------------------------------------------------------------------------------------------------------------
 Minimum: 120
 Maximum: 360
 Weighted Average: 354

7. Range of Stated Remaining Terms (months)

------------------------------------------------------------------------------------------------------------------------------------
                                                                  % of
                                                                Mortgage
                                                                 Pool by
                                              Aggregate         Aggregate       Weighted       Weighted       Weighted
                                    Number     Cut-off           Cut-off        Average        Average         Average      Weighted
                                      of        Date               Date          Gross        Remaining         Comb        Average
 Range of Stated Remaining Terms   Mortgage   Principal         Principal       Interest         Term         Original       FICO
 (months)                           Loans    Balance ($)         Balance        Rate (%)       (months)          LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
 109 - 120                              21      1,429,838           0.08          7.720            117          71.84           641
 169 - 180                             302     28,850,869           1.68          7.319            177          69.90           619
 229 - 240                             317     24,436,427           1.42          8.214            237          78.97           634
 289 - 300                              89     19,273,159           1.12          5.411            297          79.74           703
 349 - 360                           9,347  1,642,251,794          95.69          7.296            357          79.86           616
------------------------------------------------------------------------------------------------------------------------------------
 Total:                             10,076  1,716,242,088         100.00          7.289            351          79.67           617
------------------------------------------------------------------------------------------------------------------------------------
 Minimum: 116
 Maximum: 358
 Weighted Average: 351

8. Range of Combined Original LTV Ratios (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                  % of
                                                                Mortgage
                                                                 Pool by
                                              Aggregate         Aggregate       Weighted       Weighted       Weighted
                                    Number     Cut-off           Cut-off        Average        Average         Average      Weighted
                                      of        Date               Date          Gross        Remaining         Comb        Average
 Range of Combined Original        Mortgage   Principal         Principal       Interest         Term         Original        FICO
 LTV Ratios (%)                     Loans     Balance ($)        Balance        Rate (%)       (months)          LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
 <= 10.00                                3        133,940           0.01          7.306            244           8.65           685
 10.01 - 15.00                           2        123,721           0.01          7.206            227          12.27           631
 15.01 - 20.00                          10        837,939           0.05          7.794            333          18.28           612
 20.01 - 25.00                          22      1,824,424           0.11          7.192            331          23.40           621
 25.01 - 30.00                          24      2,390,937           0.14          6.865            337          28.45           613
 30.01 - 35.00                          39      4,123,204           0.24          7.200            336          32.22           607
 35.01 - 40.00                          63      7,968,168           0.46          6.903            328          37.57           610
 40.01 - 45.00                          82     10,718,794           0.62          6.822            336          42.68           622
 45.01 - 50.00                         133     19,557,656           1.14          7.167            343          47.86           599
 50.01 - 55.00                         176     28,003,304           1.63          6.934            343          52.82           603
 55.01 - 60.00                         204     31,207,698           1.82          7.052            342          57.84           597
 60.01 - 65.00                         398     68,128,915           3.97          7.043            348          63.26           606
 65.01 - 70.00                         594     99,326,434           5.79          7.201            346          68.67           595
 70.01 - 75.00                         838    140,255,264           8.17          7.291            350          73.97           596
 75.01 - 80.00                       3,666    632,359,465          36.85          7.095            354          79.69           628
 80.01 - 85.00                       1,355    253,917,286          14.79          7.335            352          84.48           602
 85.01 - 90.00                       1,501    280,492,443          16.34          7.483            353          89.68           624
 90.01 - 95.00                         522     95,020,780           5.54          7.717            355          94.81           626
 95.01 - 100.00                        444     39,851,715           2.32          9.033            338          99.93           664
------------------------------------------------------------------------------------------------------------------------------------
 Total:                             10,076  1,716,242,088         100.00          7.289            351          79.67           617
------------------------------------------------------------------------------------------------------------------------------------
 Minimum: 6.09
 Maximum: 100.00
 Weighted Average: 79.67

 9. Range of Gross Margins (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                  % of
                                                                Mortgage
                                                                 Pool by
                                               Aggregate        Aggregate       Weighted       Weighted       Weighted
                                    Number     Cut-off           Cut-off        Average        Average         Average      Weighted
                                      of         Date              Date          Gross        Remaining         Comb        Average
                                   Mortgage   Principal         Principal       Interest         Term         Original        FICO
 Range of Gross Margins (%)         Loans     Balance ($)        Balance        Rate (%)       (months)          LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
 Fixed Rate Loans                    3,082    440,258,697          25.65          7.306            337          76.03           636
 <= 3.500                               47     14,117,680           0.82          4.720            303          80.74           733
 3.501 - 4.000                          18      5,098,984           0.30          5.398            331          81.83           677
 4.001 - 4.500                          43      9,501,075           0.55          5.987            351          78.79           652
 4.501 - 5.000                          71     12,456,009           0.73          6.367            356          80.21           639
 5.001 - 5.500                       3,526    646,156,470          37.65          7.013            357          81.51           615
 5.501 - 6.000                       1,910    373,247,244          21.75          7.414            357          81.84           619
 6.001 - 6.500                         715    115,564,202           6.73          7.904            357          78.66           575
 6.501 - 7.000                         467     69,952,565           4.08          8.307            357          74.11           569
 7.001 - 7.500                         108     16,769,501           0.98          8.719            356          83.53           577
 7.501 - 8.000                          49      6,815,403           0.40          8.954            356          84.66           568
 8.001 - 8.500                          26      4,007,512           0.23          9.806            356          78.19           560
 8.501 - 9.000                          11      1,820,843           0.11          9.922            356          81.44           564
 9.501 - 10.000                          3        475,902           0.03         10.176            356          64.40           544
------------------------------------------------------------------------------------------------------------------------------------
 Total:                             10,076  1,716,242,088         100.00          7.289            351          79.67           617
------------------------------------------------------------------------------------------------------------------------------------
 Non-Zero Minimum: 1.605
 Maximum: 9.990
 Non-Zero Weighted Average: 5.652

10. Range of Minimum Mortgage Rates (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                  % of
                                                                Mortgage
                                                                 Pool by
                                              Aggregate         Aggregate       Weighted       Weighted       Weighted
                                    Number     Cut-off           Cut-off        Average        Average         Average      Weighted
                                      of        Date               Date          Gross        Remaining         Comb        Average
 Range of Minimum Mortgage         Mortgage   Principal         Principal       Interest         Term         Original        FICO
 Rates (%)                          Loans     Balance ($)        Balance        Rate (%)       (months)          LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
 Fixed Rate Loans                    3,082    440,258,697          25.65          7.306            337          76.03           636
 <=5.000                                52     15,189,573           0.89          4.726            307          80.57           727
 5.001 - 5.500                         131     33,677,085           1.96          5.363            353          77.95           648
 5.501 - 6.000                         418     99,757,410           5.81          5.848            356          77.58           637
 6.001 - 6.500                         759    160,752,728           9.37          6.331            357          78.83           632
 6.501 - 7.000                       1,246    248,923,142          14.50          6.816            357          80.69           625
 7.001 - 7.500                       1,217    225,506,795          13.14          7.297            357          81.25           611
 7.501 - 8.000                       1,291    226,826,121          13.22          7.799            357          82.93           600
 8.001 - 8.500                         719    114,878,285           6.69          8.285            357          82.72           584
 8.501 - 9.000                         678     95,159,911           5.54          8.778            357          82.79           575
 9.001 - 9.500                         211     26,177,948           1.53          9.260            357          81.93           559
 9.501 - 10.000                        134     16,344,364           0.95          9.799            357          79.41           547
 10.001 -10.500                         56      5,530,118           0.32         10.270            357          76.00           549
 10.501 - 11.000                        36      3,650,419           0.21         10.792            357          74.22           539
 11.001 - 11.500                        27      2,093,998           0.12         11.297            350          74.92           530
 11.501 - 12.000                         8        772,028           0.04         11.774            357          74.49           529
 12.001 - 12.500                         6        446,120           0.03         12.170            357          77.02           528
 12.501 - 13.000                         4        248,367           0.01         12.749            357          72.13           518
 13.001 - 13.500                         1         48,978           0.00         13.055            358          70.00           542
------------------------------------------------------------------------------------------------------------------------------------
 Total:                             10,076  1,716,242,088         100.00          7.289            351          79.67           617
------------------------------------------------------------------------------------------------------------------------------------
 Non-Zero Minimum: 4.030
 Maximum: 13.055
 Non-Zero Weighted Average: 7.282

 11. Range of Maximum Mortgage Rates (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                  % of
                                                                Mortgage
                                                                 Pool by
                                              Aggregate         Aggregate      Weighted       Weighted       Weighted
                                    Number     Cut-off           Cut-off       Average        Average         Average      Weighted
                                      of        Date               Date         Gross        Remaining         Comb        Average
 Range of Maximum Mortgage         Mortgage   Principal         Principal      Interest         Term         Original        FICO
 Rates (%)                          Loans    Balance ($)         Balance       Rate (%)       (months)          LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
 Fixed Rate Loans                    3,082    440,258,697          25.65          7.306            337          76.03           636
 <= 12.500                             567    127,671,004           7.44          5.797            350          77.60           651
 12.501 - 13.000                       687    147,856,140           8.62          6.348            357          78.46           622
 13.001 - 13.500                       897    182,852,658          10.65          6.689            357          79.61           625
 13.501 - 14.000                     1,188    229,987,248          13.40          7.071            357          81.38           620
 14.001 - 14.500                     1,052    191,501,946          11.16          7.484            357          81.93           605
 14.501 - 15.000                     1,152    194,883,735          11.36          7.946            357          83.27           595
 15.001 - 15.500                       629     94,846,839           5.53          8.452            357          82.79           581
 15.501 - 16.000                       548     76,470,801           4.46          8.900            357          83.15           577
 16.001 - 16.500                       126     13,882,146           0.81          9.534            357          80.34           560
 16.501 - 17.000                        80      9,755,538           0.57         10.131            356          77.13           544
 17.001 - 17.500                        39      3,722,289           0.22         10.708            353          79.37           552
 17.501 - 18.000                        13      1,217,250           0.07         11.255            357          75.17           543
 18.001 - 18.500                         9        687,912           0.04         11.756            357          74.12           526
 18.501 - 19.000                         4        400,816           0.02         12.218            357          71.32           531
 19.001 - 19.500                         2        156,139           0.01         12.468            357          73.43           534
 19.501 - 20.000                         1         90,930           0.01         12.550            357          70.00           508
------------------------------------------------------------------------------------------------------------------------------------
 Total:                             10,076  1,716,242,088         100.00          7.289            351          79.67           617
------------------------------------------------------------------------------------------------------------------------------------
 Non-Zero Minimum: 10.330
 Maximum: 19.550
 Non-Zero Weighted Average: 13.976

 12. Initial Periodic Cap (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                  % of
                                                                Mortgage
                                                                 Pool by
                                              Aggregate         Aggregate       Weighted       Weighted       Weighted
                                    Number     Cut-off           Cut-off        Average        Average         Average      Weighted
                                      of         Date              Date          Gross        Remaining         Comb        Average
                                   Mortgage   Principal         Principal       Interest         Term         Original        FICO
 Initial Periodic Cap (%)           Loans     Balance ($)        Balance        Rate (%)       (months)          LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
 Fixed Rate Loans                    3,082    440,258,697          25.65          7.306            337          76.03           636
 1                                      17      2,286,395           0.13          7.239            357          82.17           614
 1.5                                 4,680    876,192,704          51.05          7.253            357          81.62           613
 3                                   2,242    387,037,552          22.55          7.360            355          79.47           607
 5                                      55     10,466,740           0.61          6.985            358          76.61           628
------------------------------------------------------------------------------------------------------------------------------------
 Total:                             10,076  1,716,242,088         100.00          7.289            351          79.67           617
------------------------------------------------------------------------------------------------------------------------------------
 Non-Zero Minimum: 1.000
 Maximum: 5.000
 Non-Zero Weighted Average: 1.983

 13. Subsequent Periodic Cap (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                  % of
                                                                Mortgage
                                                                 Pool by
                                               Aggregate        Aggregate       Weighted       Weighted       Weighted
                                    Number     Cut-off           Cut-off        Average        Average         Average      Weighted
                                      of         Date              Date          Gross        Remaining         Comb        Average
                                   Mortgage   Principal         Principal       Interest         Term         Original        FICO
 Subsequent Periodic Cap (%)        Loans     Balance ($)        Balance        Rate (%)       (months)          LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
 Fixed Rate Loans                    3,082    440,258,697          25.65          7.306            337          76.03           636
 1                                   2,262    384,230,515          22.39          7.452            357          79.34           603
 1.5                                 4,680    876,192,704          51.05          7.253            357          81.62           613
 3                                      52     15,560,172           0.91          4.816            297          81.03           725
------------------------------------------------------------------------------------------------------------------------------------
 Total:                             10,076  1,716,242,088         100.00          7.289            351          79.67           617
------------------------------------------------------------------------------------------------------------------------------------
 Non-Zero Minimum: 1.000
 Maximum: 3.000
 Non-Zero Weighted Average: 1.368

 14. Next Rate Adjustment Dates

------------------------------------------------------------------------------------------------------------------------------------
                                                                  % of
                                                                Mortgage
                                                                 Pool by
                                               Aggregate        Aggregate       Weighted       Weighted       Weighted
                                    Number     Cut-off           Cut-off        Average        Average         Average      Weighted
                                      of         Date              Date          Gross        Remaining         Comb        Average
                                   Mortgage   Principal         Principal       Interest         Term         Original        FICO
 Next Rate Adjustment Dates         Loans     Balance ($)        Balance        Rate (%)       (months)          LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
 Fixed Rate Loans                    3,082    440,258,697          25.65          7.306            337          76.03           636
 Dec-04                                 52     15,560,172           0.91          4.816            297          81.03           725
 Apr-06                                  2        483,107           0.03          6.914            353          88.97           678
 May-06                                 18      3,761,474           0.22          6.367            354          80.24           611
 Jun-06                                 64     12,186,042           0.71          6.730            355          79.91           624
 Jul-06                                597    110,704,245           6.45          7.447            356          80.40           604
 Aug-06                              4,511    838,634,243          48.86          7.299            357          80.99           609
 Sep-06                                727    121,624,142           7.09          7.403            358          79.87           603
 Apr-07                                  1        133,211           0.01          5.875            353          80.00           693
 May-07                                  8      1,581,419           0.09          7.910            354          86.61           611
 Jun-07                                 86     13,360,394           0.78          7.109            355          84.80           620
 Jul-07                                301     49,812,729           2.90          7.547            356          82.86           617
 Aug-07                                542     93,302,461           5.44          7.212            357          81.30           621
 Sep-07                                 28      3,989,482           0.23          7.561            358          80.64           609
 May-09                                  1         46,550           0.00          7.780            354          85.00           635
 Jul-09                                  1        159,200           0.01          6.530            356          80.00           681
 Aug-09                                 20      4,090,815           0.24          6.917            357          76.76           632
 Sep-09                                 35      6,553,706           0.38          6.973            358          76.19           626
------------------------------------------------------------------------------------------------------------------------------------
 Total:                             10,076  1,716,242,088         100.00          7.289            351          79.67           617
------------------------------------------------------------------------------------------------------------------------------------

 15. Geographic Distribution of  Mortgaged Properties

------------------------------------------------------------------------------------------------------------------------------------
                                                                  % of
                                                                Mortgage
                                                                 Pool by
                                              Aggregate         Aggregate      Weighted       Weighted       Weighted
                                    Number     Cut-off           Cut-off       Average        Average         Average      Weighted
                                      of         Date              Date         Gross        Remaining         Comb        Average
 Geographic Distribution of        Mortgage   Principal         Principal      Interest         Term         Original        FICO
 Mortgaged Properties               Loans     Balance ($)        Balance       Rate (%)       (months)          LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
 California                          2,548    617,188,823          35.96          6.907            352          77.71           626
 Florida                             1,415    200,645,540          11.69          7.453            353          80.99           610
 New York                              488    107,568,173           6.27          7.221            353          77.01           623
 Texas                                 888     85,994,064           5.01          7.808            332          78.77           604
 New Jersey                            299     62,949,634           3.67          7.465            353          79.61           612
 Massachusetts                         205     45,285,847           2.64          7.156            355          79.09           623
 Nevada                                226     43,126,960           2.51          7.370            355          81.42           619
 Maryland                              228     42,671,366           2.49          7.671            353          81.40           602
 Virginia                              217     41,836,062           2.44          7.554            352          80.99           614
 Washington                            251     41,801,939           2.44          7.173            352          81.69           622
 Illinois                              235     37,279,680           2.17          7.731            352          82.35           605
 Arizona                               230     30,889,879           1.80          7.331            354          83.18           619
 Ohio                                  287     29,672,013           1.73          7.844            350          83.52           602
 Pennsylvania                          228     27,731,829           1.62          7.739            348          83.55           608
 Michigan                              238     26,034,897           1.52          7.933            354          82.20           600
 Other                               2,093    275,565,382          16.06          7.544            351          81.68           614
------------------------------------------------------------------------------------------------------------------------------------
 Total:                             10,076  1,716,242,088         100.00          7.289            351          79.67           617
------------------------------------------------------------------------------------------------------------------------------------
Number of States/District
of Columbia Represented: 51

 16. Occupancy

------------------------------------------------------------------------------------------------------------------------------------
                                                                  % of
                                                                Mortgage
                                                                 Pool by
                                               Aggregate        Aggregate       Weighted       Weighted       Weighted
                                    Number     Cut-off           Cut-off        Average        Average         Average      Weighted
                                      of         Date              Date          Gross        Remaining         Comb        Average
                                   Mortgage   Principal         Principal       Interest         Term         Original        FICO
 Occupancy                          Loans     Balance ($)        Balance        Rate (%)       (months)          LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
 Primary                             9,384  1,612,941,290          93.98          7.266            351          79.70           616
 Investment                            630     91,333,385           5.32          7.677            354          79.19           646
 Second Home                            62     11,967,412           0.70          7.406            353          79.68           632
------------------------------------------------------------------------------------------------------------------------------------
 Total:                             10,076  1,716,242,088         100.00          7.289            351          79.67           617
------------------------------------------------------------------------------------------------------------------------------------

 17. Property Type

------------------------------------------------------------------------------------------------------------------------------------
                                                                  % of
                                                                Mortgage
                                                                 Pool by
                                               Aggregate        Aggregate       Weighted       Weighted       Weighted
                                    Number     Cut-off           Cut-off        Average        Average         Average      Weighted
                                      of         Date              Date          Gross        Remaining         Comb        Average
                                   Mortgage   Principal         Principal       Interest         Term         Original        FICO
 Property Type                      Loans     Balance ($)        Balance        Rate (%)       (months)          LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
 Single Family Residence             7,990  1,324,049,606          77.15          7.301            351          79.58           614
 Planned Unit Development              803    150,301,412           8.76          7.139            350          81.17           622
 2-4 Family                            649    139,672,272           8.14          7.340            354          78.24           638
 Condo                                 634    102,218,797           5.96          7.277            354          80.56           628
------------------------------------------------------------------------------------------------------------------------------------
 Total:                             10,076  1,716,242,088         100.00          7.289            351          79.67           617
------------------------------------------------------------------------------------------------------------------------------------

 18. Loan Purpose

------------------------------------------------------------------------------------------------------------------------------------
                                                                  % of
                                                                Mortgage
                                                                 Pool by
                                               Aggregate        Aggregate       Weighted       Weighted       Weighted
                                    Number     Cut-off           Cut-off        Average        Average         Average      Weighted
                                      of         Date              Date          Gross        Remaining         Comb        Average
                                   Mortgage   Principal         Principal       Interest        Term          Original        FICO
 Loan Purpose                       Loans     Balance ($)        Balance        Rate (%)      (months)           LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
 Refinance - Cashout                 6,101  1,053,008,058          61.36          7.255            350          77.53           604
 Purchase                            3,391    582,936,898          33.97          7.339            355          83.54           643
 Refinance - Rate Term                 584     80,297,131           4.68          7.362            344          79.69           607
------------------------------------------------------------------------------------------------------------------------------------
 Total:                             10,076  1,716,242,088         100.00          7.289            351          79.67           617
------------------------------------------------------------------------------------------------------------------------------------

 19. Documentation Level

------------------------------------------------------------------------------------------------------------------------------------
                                                                  % of
                                                                Mortgage
                                                                 Pool by
                                               Aggregate        Aggregate       Weighted       Weighted       Weighted
                                    Number     Cut-off           Cut-off        Average        Average         Average      Weighted
                                      of         Date              Date          Gross        Remaining         Comb        Average
                                   Mortgage   Principal         Principal       Interest         Term         Original        FICO
 Documentation Level                Loans     Balance ($)        Balance        Rate (%)       (months)          LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
 Full                                5,926    942,734,608          54.93          7.154            350          79.93           605
 Stated Documentation                3,760    697,104,127          40.62          7.495            353          79.36           635
 Limited                               390     76,403,353           4.45          7.073            349          79.27           616
------------------------------------------------------------------------------------------------------------------------------------
 Total:                             10,076  1,716,242,088         100.00          7.289            351          79.67           617
------------------------------------------------------------------------------------------------------------------------------------

 20. Credit Score

------------------------------------------------------------------------------------------------------------------------------------
                                                                  % of
                                                                Mortgage
                                                                 Pool by
                                               Aggregate        Aggregate       Weighted       Weighted       Weighted
                                    Number     Cut-off           Cut-off        Average        Average         Average      Weighted
                                      of         Date             Date           Gross        Remaining         Comb        Average
                                   Mortgage   Principal         Principal      Interest         Term          Original        FICO
 Credit Score                       Loans     Balance ($)        Balance        Rate (%)      (months)           LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
 500 - 524                             592     86,173,872           5.02          8.435            356          74.02           513
 525 - 549                           1,046    155,870,997           9.08          8.113            352          75.80           537
 550 - 574                           1,293    201,712,602          11.75          7.680            352          79.37           562
 575 - 599                           1,321    214,303,872          12.49          7.407            351          79.53           587
 600 - 624                           1,566    288,276,010          16.80          6.973            351          80.64           612
 625 - 649                           1,622    286,529,163          16.70          7.106            352          81.44           637
 650 - 674                           1,173    209,729,000          12.22          7.001            351          80.38           661
 675 - 699                             695    124,884,926           7.28          6.960            350          80.71           686
 700 - 724                             381     71,948,951           4.19          6.722            347          80.74           711
 725 - 749                             199     37,464,101           2.18          6.733            347          81.39           736
 750 - 774                             117     22,722,498           1.32          6.829            349          80.44           761
 775 - 799                              66     15,444,247           0.90          6.433            340          77.15           785
 800 +                                   5      1,181,847           0.07          5.992            357          76.96           809
------------------------------------------------------------------------------------------------------------------------------------
 Total:                             10,076  1,716,242,088         100.00          7.289            351          79.67           617
------------------------------------------------------------------------------------------------------------------------------------
 Minimum: 500
 Maximum: 813
 Non-Zero Weighted Average: 617

 21. Prepayment Penalty Term

------------------------------------------------------------------------------------------------------------------------------------
                                                                  % of
                                                                Mortgage
                                                                 Pool by
                                               Aggregate        Aggregate       Weighted       Weighted       Weighted
                                    Number     Cut-off           Cut-off        Average        Average         Average      Weighted
                                      of         Date              Date          Gross        Remaining         Comb        Average
                                   Mortgage   Principal         Principal       Interest         Term         Original        FICO
 Prepayment Penalty Term            Loans     Balance ($)        Balance        Rate (%)       (months)          LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
 0                                   2,167    335,094,562          19.52          7.614            346          79.97           616
 6                                       3        313,150           0.02          9.127            356          82.37           593
 12                                    371     78,648,921           4.58          7.195            351          76.91           631
 18                                      1        225,000           0.01          6.890            356          90.00           632
 24                                  4,428    797,150,004          46.45          7.237            357          80.97           608
 30                                      2        481,149           0.03          7.495            356          83.35           555
 36                                  2,872    474,224,119          27.63          7.155            347          77.62           631
 54                                      1        200,454           0.01          7.990            356          84.81           567
 60                                    231     29,904,727           1.74          7.375            342          81.42           621
------------------------------------------------------------------------------------------------------------------------------------
 Total:                             10,076  1,716,242,088         100.00          7.289            351          79.67           617
------------------------------------------------------------------------------------------------------------------------------------
 Non-Zero Minimum: 6
 Maximum: 60
 Non-Zero Weighted Average: 28

 22. Lien Position

------------------------------------------------------------------------------------------------------------------------------------
                                                                  % of
                                                                Mortgage
                                                                 Pool by
                                               Aggregate        Aggregate       Weighted       Weighted       Weighted
                                    Number     Cut-off           Cut-off        Average        Average         Average      Weighted
                                      of         Date              Date          Gross        Remaining         Comb        Average
 Lien                              Mortgage   Principal         Principal       Interest         Term         Original        FICO
 Position                           Loans     Balance ($)        Balance        Rate (%)       (months)          LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
 1st Lien                            9,809  1,701,499,076          99.14          7.258            352          79.50           617
 2nd Lien                              267     14,743,011           0.86         10.883            308          99.96           677
------------------------------------------------------------------------------------------------------------------------------------
 Total:                             10,076  1,716,242,088         100.00          7.289            351          79.67           617
------------------------------------------------------------------------------------------------------------------------------------

 23. Interest Only Term

------------------------------------------------------------------------------------------------------------------------------------
                                                                  % of
                                                                Mortgage
                                                                 Pool by
                                               Aggregate        Aggregate       Weighted       Weighted       Weighted
                                    Number     Cut-off           Cut-off        Average        Average         Average      Weighted
                                      of         Date             Date           Gross         Remaining        Comb        Average
                                   Mortgage    Principal        Principal       Interest         Term         Original        FICO
 Interest Only Term                 Loans     Balance ($)        Balance        Rate (%)       (months)          LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
 0                                   9,298  1,518,352,629          88.47          7.395            351          79.37           612
 24                                    398    105,747,096           6.16          6.664            357          82.65           653
 36                                     57     14,162,966           0.83          6.444            357          82.47           647
 60                                    271     62,419,224           3.64          6.572            357          81.08           652
 120                                    52     15,560,172           0.91          4.816            297          81.03           725
------------------------------------------------------------------------------------------------------------------------------------
 Total:                             10,076  1,716,242,088         100.00          7.289            351          79.67           617
------------------------------------------------------------------------------------------------------------------------------------


MORGAN STANLEY
MSAC 2004-HE9
Group 1

Table of Contents

1. Summary Statistics
2. Originator
3. Product Types
4. Range of Gross Interest Rates (%)
5. Range of Cut-off Date Principal Balances ($)
6. Stated Original Term (months)
7. Range of Stated Remaining Terms (months)
8. Range of Combined Original LTV Ratios (%)
9. Range of Gross Margins (%)
10. Range of Minimum Mortgage Rates (%)
11. Range of Maximum Mortgage Rates (%)
12. Initial Periodic Cap (%)
13. Subsequent Periodic Cap (%)
14. Next Rate Adjustment Dates
15. Geographic Distribution of Mortgaged Properties
16. Occupancy
17. Property Type
18. Loan Purpose
19. Documentation Level
20. Credit Score
21. Prepayment Penalty Term
22. Lien Position
23. Interest Only Term

1. Summary Statistics

Number of Mortgage Loans: 943
Aggregate Principal Balance ($): 150,142,028 Weighted Average Current Mortgage Rate (%): 7.255 Non-Zero Weighted Average Margin (%): 5.540 Non-Zero Weighted Average Maximum Rate (%): 14.253 Weighted Average Stated Original Term (months): 354 Weighted Average Stated Remaining Term (months): 351 Weighted Average Combined Original LTV (%): 80.17 % First Liens: 98.33
% Owner Occupied: 92.66
% Purchase: 31.68
% Full Doc: 54.87
Weighted Average Credit Score: 617

 2. Originator

------------------------------------------------------------------------------------------------------------------------------------
                                                                          % of
                                                                         Mortgage
                                                                         Pool by
                                                         Aggregate      Aggregate     Weighted     Weighted     Weighted
                                             Number       Cut-off        Cut-off      Average      Average      Average     Weighted
                                               of          Date            Date        Gross      Remaining       Comb      Average
                                            Mortgage     Principal      Principal     Interest       Term       Original      FICO
 Originator                                  Loans      Balance ($)      Balance      Rate (%)     (months)       LTV        Score
------------------------------------------------------------------------------------------------------------------------------------
 New Century                                     943    150,142,028       100.00        7.255          351        80.17         617
------------------------------------------------------------------------------------------------------------------------------------
 Total:                                          943    150,142,028       100.00        7.255          351        80.17         617
------------------------------------------------------------------------------------------------------------------------------------

 3. Product Types

------------------------------------------------------------------------------------------------------------------------------------
                                                                           % of
                                                                          Mortgage
                                                                          Pool by
                                                         Aggregate       Aggregate    Weighted     Weighted     Weighted
                                              Number      Cut-off         Cut-off     Average      Average      Average     Weighted
                                                of         Date             Date       Gross      Remaining       Comb       Average
                                             Mortgage    Principal       Principal    Interest       Term       Original       FICO
 Product Types                                Loans      Balance ($)      Balance     Rate (%)     (months)        LTV        Score
------------------------------------------------------------------------------------------------------------------------------------
 Fixed - 15 Year                                  25      2,447,719         1.63        7.201          177        68.72          621
 Fixed - 20 Year                                  66      3,551,809         2.37        8.765          237        84.62          662
 Fixed - 25 Year                                   3        277,145         0.18        6.811          297        80.95          589
 Fixed - 30 Year                                 153     23,736,182        15.81        7.036          357        75.31          641
 ARM - 2 Year/6 Month                            575     95,394,899        63.54        7.367          357        81.46          608
 ARM - 3 Year/6 Month                             39      5,911,526         3.94        7.397          357        78.53          596
 ARM - 2 Year IO/6 Month                          69     15,640,746        10.42        6.740          357        81.34          636
 ARM - 3 Year IO/6 Month                          13      3,182,001         2.12        6.191          357        78.97          621
------------------------------------------------------------------------------------------------------------------------------------
 Total:                                          943    150,142,028       100.00        7.255          351        80.17          617
------------------------------------------------------------------------------------------------------------------------------------

 4. Range of Gross Interest Rates (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                           % of
                                                                         Mortgage
                                                                         Pool by
                                                          Aggregate     Aggregate    Weighted     Weighted      Weighted
                                              Number       Cut-off       Cut-off     Average       Average      Average     Weighted
                                                of          Date           Date       Gross       Remaining       Comb       Average
 Range of Gross Interest                     Mortgage     Principal     Principal    Interest       Term        Original       FICO
 Rates (%)                                    Loans      Balance ($)     Balance     Rate (%)     (months)        LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
 5.000 - 5.999                                    51     11,144,311         7.42        5.780          353        71.05          629
 6.000 - 6.999                                   310     55,434,910        36.92        6.558          352        78.40          636
 7.000 - 7.999                                   339     56,139,438        37.39        7.521          352        81.40          607
 8.000 - 8.999                                   166     23,007,798        15.32        8.426          356        83.49          591
 9.000 - 9.999                                    17      1,875,677         1.25        9.284          348        85.01          570
 10.000 - 10.999                                  32      1,368,558         0.91       10.544          271        99.12          689
 11.000 - 11.999                                  25        989,238         0.66       11.293          265        98.87          652
 12.000 - 12.999                                   3        182,098         0.12       12.332          340        85.02          588
------------------------------------------------------------------------------------------------------------------------------------
 Total:                                          943    150,142,028       100.00        7.255          351        80.17          617
------------------------------------------------------------------------------------------------------------------------------------
 Minimum: 5.250
 Maximum: 12.550
 Weighted Average: 7.255

 5. Range of Cut-off Date Principal Balances ($)

------------------------------------------------------------------------------------------------------------------------------------
                                                                           % of
                                                                         Mortgage
                                                                         Pool by
                                                          Aggregate     Aggregate    Weighted     Weighted      Weighted
                                             Number        Cut-off       Cut-off     Average       Average      Average     Weighted
                                               of            Date          Date       Gross       Remaining       Comb       Average
 Range of Cut-off Date                      Mortgage      Principal     Principal    Interest       Term        Original       FICO
 Principal Balances ($)                      Loans       Balance ($)     Balance     Rate (%)     (months)        LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
 1 - 25,000                                        3         70,408         0.05       10.855          237       100.00          684
 25,001 - 50,000                                  55      2,144,817         1.43       10.044          245        91.18          668
 50,001 - 75,000                                  94      5,866,363         3.91        8.136          337        78.28          602
 75,001 - 100,000                                112      9,887,766         6.59        7.603          347        77.77          602
 100,001 - 125,000                               126     14,203,804         9.46        7.328          350        79.08          605
 125,001 - 150,000                               109     14,984,799         9.98        7.201          351        78.70          619
 150,001 - 175,000                                85     13,830,827         9.21        7.323          349        79.32          620
 175,001 - 200,000                                79     14,881,886         9.91        7.121          355        79.10          614
 200,001 - 225,000                                78     16,583,213        11.05        7.356          355        79.41          604
 225,001 - 250,000                                43     10,338,224         6.89        7.064          357        79.64          621
 250,001 - 275,000                                57     14,880,151         9.91        6.995          354        83.33          629
 275,001 - 300,000                                39     11,189,687         7.45        6.813          357        78.97          613
 300,001 - 325,000                                34     10,613,847         7.07        7.019          357        83.80          622
 325,001 - 350,000                                16      5,295,369         3.53        6.687          357        80.02          629
 350,001 - 375,000                                 4      1,455,154         0.97        6.758          357        86.02          708
 375,001 - 400,000                                 4      1,549,626         1.03        7.595          357        87.47          651
 400,001 - 425,000                                 1        419,091         0.28        8.250          357        85.00          653
 425,001 - 450,000                                 1        436,500         0.29        8.950          357        90.00          643
 450,001 - 475,000                                 1        460,351         0.31        5.850          357        80.00          619
 475,001 - 500,000                                 1        498,985         0.33        7.990          357        66.67          614
 500,001 - 750,000                                 1        551,160         0.37        7.100          357        85.00          640
------------------------------------------------------------------------------------------------------------------------------------
 Total:                                          943    150,142,028       100.00        7.255          351        80.17          617
------------------------------------------------------------------------------------------------------------------------------------
 Minimum: 23,012
 Maximum: 551,160
 Average: 159,217

 6. Stated Original Term (months)

------------------------------------------------------------------------------------------------------------------------------------
                                                                           % of
                                                                          Mortgage
                                                                          Pool by
                                                         Aggregate       Aggregate    Weighted     Weighted     Weighted
                                              Number      Cut-off         Cut-off     Average      Average      Average     Weighted
                                                of         Date             Date       Gross      Remaining       Comb      Average
                                             Mortgage    Principal       Principal    Interest       Term       Original      FICO
 Stated Original Term (months)                Loans     Balance ($)       Balance     Rate (%)     (months)       LTV        Score
------------------------------------------------------------------------------------------------------------------------------------
 180                                              25      2,447,719         1.63        7.201          177        68.72          621
 240                                              66      3,551,809         2.37        8.765          237        84.62          662
 300                                               3        277,145         0.18        6.811          297        80.95          589
 360                                             849    143,865,354        95.82        7.219          357        80.26          616
------------------------------------------------------------------------------------------------------------------------------------
 Total:                                          943    150,142,028       100.00        7.255          351        80.17          617
------------------------------------------------------------------------------------------------------------------------------------
 Minimum: 180
 Maximum: 360
 Weighted Average: 354

 7. Range of Stated Remaining Terms (months)

------------------------------------------------------------------------------------------------------------------------------------
                                                                           % of
                                                                          Mortgage
                                                                          Pool by
                                                         Aggregate       Aggregate    Weighted     Weighted     Weighted
                                              Number      Cut-off         Cut-off     Average      Average      Average     Weighted
                                                of          Date            Date       Gross      Remaining       Comb       Average
 Range of Stated Remaining                   Mortgage    Principal       Principal    Interest       Term       Original       FICO
 Terms (months)                               Loans      Balance ($)      Balance     Rate (%)     (months)       LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
 169 - 180                                        25      2,447,719         1.63        7.201          177        68.72          621
 229 - 240                                        66      3,551,809         2.37        8.765          237        84.62          662
 289 - 300                                         3        277,145         0.18        6.811          297        80.95          589
 349 - 360                                       849    143,865,354        95.82        7.219          357        80.26          616
------------------------------------------------------------------------------------------------------------------------------------
 Total:                                          943    150,142,028       100.00        7.255          351        80.17          617
------------------------------------------------------------------------------------------------------------------------------------
 Minimum: 176
 Maximum: 357
 Weighted Average: 351

 8. Range of Combined Original LTV Ratios (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                           % of
                                                                          Mortgage
                                                                          Pool by
                                                         Aggregate       Aggregate    Weighted     Weighted     Weighted
                                              Number      Cut-off         Cut-off     Average      Average      Average     Weighted
                                                of          Date            Date       Gross      Remaining       Comb      Average
 Range of Combined Original                  Mortgage    Principal       Principal    Interest       Term       Original      FICO
 LTV Ratios (%)                               Loans      Balance ($)      Balance     Rate (%)     (months)        LTV        Score
------------------------------------------------------------------------------------------------------------------------------------
 15.01 - 20.00                                     5        311,460         0.21        6.878          328        18.12          670
 20.01 - 25.00                                     3        234,779         0.16        6.915          319        22.85          581
 25.01 - 30.00                                     1         94,728         0.06        6.250          357        29.87          733
 30.01 - 35.00                                     3        276,155         0.18        6.421          357        31.55          669
 35.01 - 40.00                                     9      1,305,568         0.87        6.667          327        37.44          589
 40.01 - 45.00                                     7        894,146         0.60        6.888          338        42.44          620
 45.01 - 50.00                                    13      1,756,945         1.17        6.625          333        47.60          615
 50.01 - 55.00                                    15      2,477,510         1.65        6.762          332        52.45          620
 55.01 - 60.00                                    21      3,203,542         2.13        7.236          350        57.66          567
 60.01 - 65.00                                    28      4,310,974         2.87        6.760          341        63.10          610
 65.01 - 70.00                                    53      9,387,488         6.25        7.104          351        68.83          590
 70.01 - 75.00                                    75     11,577,522         7.71        7.155          353        73.79          586
 75.01 - 80.00                                   268     43,957,038        29.28        6.954          355        79.68          620
 80.01 - 85.00                                   149     26,255,974        17.49        7.327          355        84.46          603
 85.01 - 90.00                                   172     32,251,062        21.48        7.505          353        89.74          634
 90.01 - 95.00                                    51      8,263,969         5.50        7.493          356        94.92          655
 95.01 - 100.00                                   70      3,583,167         2.39       10.053          293        99.99          683
------------------------------------------------------------------------------------------------------------------------------------
 Total:                                          943    150,142,028       100.00        7.255          351        80.17          617
------------------------------------------------------------------------------------------------------------------------------------
 Minimum: 16.67
 Maximum: 100.00
 Weighted Average: 80.17

 9. Range of Gross Margins (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                           % of
                                                                          Mortgage
                                                                          Pool by
                                                         Aggregate       Aggregate    Weighted     Weighted     Weighted
                                              Number      Cut-off         Cut-off     Average      Average      Average     Weighted
                                                of         Date             Date       Gross      Remaining       Comb       Average
                                             Mortgage    Principal       Principal    Interest       Term       Original      FICO
 Range of Gross Margins (%)                   Loans     Balance ($)       Balance     Rate (%)     (months)        LTV       Score
------------------------------------------------------------------------------------------------------------------------------------
 Fixed Rate Loans                                247     30,012,855        19.99        7.252          327        75.92          641
 5.001 - 5.500                                   334     57,057,187        38.00        6.983          357        82.26          609
 5.501 - 6.000                                   296     53,642,971        35.73        7.454          357        81.71          624
 6.001 - 6.500                                    34      5,418,728         3.61        7.708          357        73.16          554
 6.501 - 7.000                                    32      4,010,286         2.67        7.860          357        71.17          556
------------------------------------------------------------------------------------------------------------------------------------
 Total:                                          943    150,142,028       100.00        7.255          351        80.17          617
------------------------------------------------------------------------------------------------------------------------------------
 Non-Zero Minimum: 5.250
 Maximum: 7.000
 Non-Zero Weighted Average: 5.540

 10. Range of Minimum Mortgage Rates (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                           % of
                                                                          Mortgage
                                                                          Pool by
                                                         Aggregate      Aggregate    Weighted     Weighted     Weighted
                                              Number      Cut-off        Cut-off     Average      Average      Average      Weighted
                                                of          Date            Date       Gross      Remaining       Comb       Average
 Range of Minimum Mortgage                   Mortgage    Principal      Principal   Interest        Term       Original       FICO
 Rates (%)                                    Loans      Balance ($)      Balance     Rate (%)     (months)       LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
 Fixed Rate Loans                                247     30,012,855        19.99        7.252          327        75.92          641
 5.001 - 5.500                                     3        619,883         0.41        5.500          357        77.54          614
 5.501 - 6.000                                    42      9,384,730         6.25        5.817          357        76.02          620
 6.001 - 6.500                                    97     19,089,318        12.71        6.315          357        79.46          640
 6.501 - 7.000                                   135     23,306,090        15.52        6.814          357        80.72          626
 7.001 - 7.500                                   113     19,751,901        13.16        7.275          357        82.50          610
 7.501 - 8.000                                   149     25,971,589        17.30        7.788          357        81.89          595
 8.001 - 8.500                                    82     11,714,493         7.80        8.262          357        83.11          594
 8.501 - 9.000                                    60      8,389,840         5.59        8.756          357        84.87          586
 9.001 - 9.500                                    12      1,674,611         1.12        9.242          357        83.21          559
 10.001 -10.500                                    1         80,644         0.05       10.100          357        85.00          562
 11.001 - 11.500                                   1         55,144         0.04       11.250          357        80.00          543
 12.501 - 13.000                                   1         90,930         0.06       12.550          357        70.00          508
------------------------------------------------------------------------------------------------------------------------------------
 Total:                                          943    150,142,028       100.00        7.255          351        80.17          617
------------------------------------------------------------------------------------------------------------------------------------
 Non-Zero Minimum: 5.500
 Maximum: 12.550
 Non-Zero Weighted Average: 7.256

 11. Range of Maximum Mortgage Rates (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                          % of
                                                                        Mortgage
                                                                         Pool by
                                                         Aggregate      Aggregate    Weighted     Weighted     Weighted
                                              Number      Cut-off        Cut-off     Average      Average      Average      Weighted
                                                of          Date           Date       Gross      Remaining       Comb       Average
 Range of Maximum Mortgage                   Mortgage    Principal      Principal    Interest       Term       Original       FICO
 Rates (%)                                    Loans     Balance ($)     Balance     Rate (%)     (months)        LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
 Fixed Rate Loans                                247     30,012,855        19.99        7.252          327        75.92          641
 <= 12.500                                         4        759,003         0.51        5.683          357        79.83          612
 12.501 - 13.000                                  42      9,384,730         6.25        5.817          357        76.02          620
 13.001 - 13.500                                  96     18,950,198        12.62        6.314          357        79.38          640
 13.501 - 14.000                                 135     23,306,090        15.52        6.814          357        80.72          626
 14.001 - 14.500                                 114     19,884,839        13.24        7.281          357        82.55          610
 14.501 - 15.000                                 150     26,033,136        17.34        7.790          357        81.91          595
 15.001 - 15.500                                  81     11,581,555         7.71        8.263          357        83.03          593
 15.501 - 16.000                                  59      8,328,293         5.55        8.755          357        84.83          586
 16.001 - 16.500                                  12      1,674,611         1.12        9.242          357        83.21          559
 17.001 - 17.500                                   1         80,644         0.05       10.100          357        85.00          562
 18.001 - 18.500                                   1         55,144         0.04       11.250          357        80.00          543
 19.501 - 20.000                                   1         90,930         0.06       12.550          357        70.00          508
------------------------------------------------------------------------------------------------------------------------------------
 Total:                                          943    150,142,028       100.00        7.255          351        80.17          617
------------------------------------------------------------------------------------------------------------------------------------
 Non-Zero Minimum: 12.500
 Maximum: 19.550
 Non-Zero Weighted Average: 14.253

 12. Initial Periodic Cap (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                           % of
                                                                          Mortgage
                                                                          Pool by
                                                           Aggregate     Aggregate    Weighted     Weighted     Weighted
                                              Number        Cut-off       Cut-off     Average      Average      Average     Weighted
                                                of           Date           Date       Gross      Remaining       Comb       Average
                                             Mortgage      Principal     Principal    Interest       Term       Original       FICO
 Initial Periodic Cap (%)                     Loans       Balance ($)     Balance     Rate (%)     (months)        LTV        Score
------------------------------------------------------------------------------------------------------------------------------------
 Fixed Rate Loans                                247       30,012,855      19.99        7.252          327        75.92          641
 1                                                 3          333,605       0.22        7.610          357        90.00          602
 1.5                                             693      119,795,567      79.79        7.255          357        81.21          611
------------------------------------------------------------------------------------------------------------------------------------
 Total:                                          943      150,142,028     100.00        7.255          351        80.17          617
------------------------------------------------------------------------------------------------------------------------------------
 Non-Zero Minimum: 1.000
 Maximum: 1.500
 Non-Zero Weighted
 Average: 1.499

 13. Subsequent Periodic Cap (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                         % of
                                                                       Mortgage
                                                                        Pool by
                                                         Aggregate     Aggregate    Weighted     Weighted     Weighted
                                              Number     Cut-off        Cut-off     Average      Average      Average      Weighted
                                                of         Date          Date        Gross      Remaining       Comb       Average
                                             Mortgage    Principal     Principal    Interest       Term       Original       FICO
 Subsequent Periodic Cap (%)                  Loans     Balance ($)     Balance     Rate (%)     (months)        LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
 Fixed Rate Loans                                247     30,012,855        19.99        7.252          327        75.92          641
 1                                                 3        333,605         0.22        7.610          357        90.00          602
 1.5                                             693    119,795,567        79.79        7.255          357        81.21          611
------------------------------------------------------------------------------------------------------------------------------------
 Total:                                          943    150,142,028       100.00        7.255          351        80.17          617
------------------------------------------------------------------------------------------------------------------------------------
 Non-Zero Minimum: 1.000
 Maximum: 1.500
 Non-Zero Weighted
 Average: 1.499

 14. Next Rate Adjustment Dates

------------------------------------------------------------------------------------------------------------------------------------
                                                                         % of
                                                                       Mortgage
                                                                        Pool by
                                                         Aggregate     Aggregate    Weighted     Weighted     Weighted
                                              Number     Cut-off        Cut-off     Average      Average      Average      Weighted
                                                of         Date          Date        Gross      Remaining       Comb       Average
                                             Mortgage    Principal     Principal    Interest       Term       Original       FICO
 Next Rate Adjustment Dates                   Loans     Balance ($)     Balance     Rate (%)     (months)        LTV        Score
------------------------------------------------------------------------------------------------------------------------------------
 Fixed Rate Loans                                247     30,012,855        19.99        7.252          327        75.92          641
 May-06                                            2        330,883         0.22        6.260          354        80.00          597
 Jul-06                                           38      8,127,072         5.41        6.823          356        79.79          604
 Aug-06                                          604    102,577,690        68.32        7.318          357        81.58          613
 Jul-07                                            6      1,126,773         0.75        6.032          356        73.93          611
 Aug-07                                           46      7,966,754         5.31        7.108          357        79.35          603
------------------------------------------------------------------------------------------------------------------------------------
 Total:                                          943    150,142,028       100.00        7.255          351        80.17          617
------------------------------------------------------------------------------------------------------------------------------------

 15. Geographic Distribution of Mortgaged Properties

------------------------------------------------------------------------------------------------------------------------------------
                                                                          % of
                                                                         Mortgage
                                                                         Pool by
                                                          Aggregate     Aggregate    Weighted     Weighted     Weighted
                                              Number      Cut-off        Cut-off     Average      Average      Average      Weighted
                                                of          Date           Date       Gross      Remaining       Comb       Average
 Geographic Distribution of                  Mortgage    Principal      Principal    Interest       Term       Original       FICO
 Mortgaged Properties                         Loans      Balance ($)     Balance     Rate (%)     (months)        LTV        Score
------------------------------------------------------------------------------------------------------------------------------------
 California                                      266     53,523,464        35.65        6.971          351        77.14          618
 Florida                                         105     14,539,340         9.68        7.448          349        82.07          614
 New Jersey                                       41      8,132,199         5.42        7.437          353        83.16          622
 Texas                                            57      5,791,402         3.86        7.419          335        81.03          609
 New York                                         28      5,410,781         3.60        7.218          353        75.90          608
 Massachusetts                                    24      4,771,509         3.18        7.187          354        84.97          652
 Illinois                                         27      4,211,004         2.80        7.811          356        82.97          619
 Nevada                                           23      4,173,655         2.78        7.133          356        77.35          617
 Michigan                                         31      3,325,665         2.22        7.945          357        83.80          609
 Maryland                                         19      3,300,063         2.20        7.854          350        82.43          606
 Arizona                                          31      3,292,858         2.19        7.479          349        86.61          634
 Washington                                       19      3,183,977         2.12        7.242          356        82.94          626
 Pennsylvania                                     23      3,039,841         2.02        7.189          340        80.70          624
 Virginia                                         16      3,007,244         2.00        7.075          357        79.88          633
 Ohio                                             26      2,792,899         1.86        7.827          357        81.46          583
 Other                                           207     27,646,128        18.41        7.358          351        82.04          613
------------------------------------------------------------------------------------------------------------------------------------
 Total:                                          943    150,142,028       100.00        7.255          351        80.17          617
------------------------------------------------------------------------------------------------------------------------------------
 Number of States/District of Columbia
 Represented: 49

 16. Occupancy

------------------------------------------------------------------------------------------------------------------------------------
                                                                         % of
                                                                       Mortgage
                                                                        Pool by
                                                         Aggregate     Aggregate    Weighted     Weighted     Weighted
                                              Number     Cut-off        Cut-off     Average      Average      Average      Weighted
                                                of         Date           Date       Gross      Remaining       Comb       Average
                                             Mortgage    Principal     Principal    Interest       Term       Original       FICO
 Occupancy                                    Loans     Balance ($)     Balance     Rate (%)     (months)        LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
 Primary                                         884    139,116,484        92.66        7.229          351        79.94          613
 Investment                                       51      9,888,091         6.59        7.567          356        84.40          674
 Second Home                                       8      1,137,453         0.76        7.733          357        72.38          610
------------------------------------------------------------------------------------------------------------------------------------
 Total:                                          943    150,142,028       100.00        7.255          351        80.17          617
------------------------------------------------------------------------------------------------------------------------------------

 17. Property Type

------------------------------------------------------------------------------------------------------------------------------------
                                                                         % of
                                                                       Mortgage
                                                                        Pool by
                                                        Aggregate      Aggregate    Weighted     Weighted     Weighted
                                              Number     Cut-off        Cut-off     Average      Average      Average      Weighted
                                                of         Date           Date       Gross      Remaining       Comb       Average
                                             Mortgage    Principal     Principal    Interest       Term       Original       FICO
 Property Type                                Loans     Balance ($)     Balance     Rate (%)     (months)        LTV        Score
------------------------------------------------------------------------------------------------------------------------------------
 Single Family Residence                         721    108,625,794        72.35        7.256          350        79.17          609
 2-4 Family                                       66     16,115,083        10.73        7.404          357        83.35          649
 Planned Unit Development                         93     15,490,030        10.32        7.119          352        82.22          629
 Condo                                            63      9,911,120         6.60        7.210          348        82.77          635
------------------------------------------------------------------------------------------------------------------------------------
 Total:                                          943    150,142,028       100.00        7.255          351        80.17          617
------------------------------------------------------------------------------------------------------------------------------------

 18. Loan Purpose

------------------------------------------------------------------------------------------------------------------------------------
                                                                         % of
                                                                       Mortgage
                                                                        Pool by
                                                        Aggregate      Aggregate    Weighted     Weighted     Weighted
                                              Number     Cut-off        Cut-off     Average      Average      Average      Weighted
                                                of         Date           Date       Gross      Remaining       Comb       Average
                                             Mortgage    Principal     Principal    Interest       Term       Original       FICO
 Loan Purpose                                 Loans     Balance ($)     Balance     Rate (%)     (months)        LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
 Refinance - Cashout                             576     95,817,543        63.82        7.177          350        77.81          602
 Purchase                                        318     47,561,180        31.68        7.409          352        84.76          648
 Refinance - Rate Term                            49      6,763,304         4.50        7.279          349        81.33          614
------------------------------------------------------------------------------------------------------------------------------------
 Total:                                          943    150,142,028       100.00        7.255          351        80.17          617
------------------------------------------------------------------------------------------------------------------------------------

 19. Documentation Level

------------------------------------------------------------------------------------------------------------------------------------
                                                                         % of
                                                                       Mortgage
                                                                        Pool by
                                                        Aggregate      Aggregate    Weighted     Weighted     Weighted
                                              Number     Cut-off        Cut-off     Average      Average      Average      Weighted
                                                of         Date           Date       Gross      Remaining       Comb       Average
                                             Mortgage    Principal     Principal    Interest       Term       Original       FICO
 Documentation Level                          Loans     Balance ($)     Balance     Rate (%)     (months)        LTV        Score
------------------------------------------------------------------------------------------------------------------------------------
 Full                                            548     82,380,856        54.87        7.063          350        79.26          604
 Stated Documentation                            360     61,983,254        41.28        7.498          353        81.30          637
 Limited                                          35      5,777,918         3.85        7.385          351        81.11          596
------------------------------------------------------------------------------------------------------------------------------------
 Total:                                          943    150,142,028       100.00        7.255          351        80.17          617
------------------------------------------------------------------------------------------------------------------------------------

 20. Credit Score

------------------------------------------------------------------------------------------------------------------------------------
                                                                         % of
                                                                       Mortgage
                                                                        Pool by
                                                        Aggregate      Aggregate    Weighted     Weighted     Weighted
                                              Number     Cut-off        Cut-off     Average      Average      Average      Weighted
                                                of         Date           Date       Gross      Remaining       Comb       Average
                                             Mortgage    Principal     Principal    Interest       Term       Original       FICO
 Credit Score                                 Loans     Balance ($)     Balance     Rate (%)     (months)        LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
 500 - 524                                        49      7,052,925         4.70        7.935          357        71.64          514
 525 - 549                                        88     12,171,332         8.11        7.780          351        74.40          538
 550 - 574                                       113     17,409,530        11.60        7.663          356        79.25          562
 575 - 599                                       141     22,458,798        14.96        7.356          355        80.47          587
 600 - 624                                       157     29,368,842        19.56        6.799          350        79.97          612
 625 - 649                                       120     19,729,061        13.14        7.167          350        82.22          637
 650 - 674                                       110     16,343,647        10.89        7.062          343        81.51          660
 675 - 699                                        79     12,474,558         8.31        7.230          349        84.64          686
 700 - 724                                        36      5,539,274         3.69        7.130          353        84.03          709
 725 - 749                                        26      4,133,180         2.75        6.982          343        81.28          738
 750 - 774                                        14      2,158,875         1.44        7.094          353        79.84          761
 775 - 799                                         9      1,242,177         0.83        7.446          354        85.01          786
 800 +                                             1         59,828         0.04        6.250          357        20.00          807
------------------------------------------------------------------------------------------------------------------------------------
 Total:                                          943    150,142,028       100.00        7.255          351        80.17          617
------------------------------------------------------------------------------------------------------------------------------------
 Minimum: 505
 Maximum: 807
 Non-Zero Weighted Average: 617

 21. Prepayment Penalty Term

------------------------------------------------------------------------------------------------------------------------------------
                                                                          % of
                                                                        Mortgage
                                                                         Pool by
                                                         Aggregate      Aggregate    Weighted     Weighted     Weighted
                                              Number      Cut-off        Cut-off     Average      Average      Average      Weighted
                                                of          Date           Date       Gross      Remaining       Comb       Average
                                             Mortgage    Principal      Principal    Interest       Term       Original       FICO
 Prepayment Penalty Term                      Loans     Balance ($)      Balance     Rate (%)     (months)       LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
 0                                               208     30,751,375        20.48        7.658          350        81.78          616
 12                                               28      5,641,786         3.76        7.366          353        79.77          629
 24                                              524     85,590,354        57.01        7.230          355        81.58          612
 36                                              183     28,158,513        18.75        6.869          338        74.22          634
------------------------------------------------------------------------------------------------------------------------------------
 Total:                                          943    150,142,028       100.00        7.255          351        80.17          617
------------------------------------------------------------------------------------------------------------------------------------
 Non-Zero Minimum: 12
 Maximum: 36
 Non-Zero Weighted Average: 26
------------------------------------------------------------------------------------------------------------------------------------

 22. Lien Position

------------------------------------------------------------------------------------------------------------------------------------
                                                                         % of
                                                                       Mortgage
                                                                       Pool by
                                                        Aggregate     Aggregate    Weighted     Weighted     Weighted
                                              Number     Cut-off       Cut-off      Average      Average      Average     Weighted
                                                of        Date           Date        Gross      Remaining      Comb       Average
                                             Mortgage   Principal      Principal    Interest      Term       Original       FICO
 Lien Position                                Loans    Balance ($)      Balance     Rate (%)    (months)        LTV        Score
------------------------------------------------------------------------------------------------------------------------------------
 1st Lien                                       881    147,627,786        98.33        7.194          352        79.83          616
 2nd Lien                                        62      2,514,241         1.67       10.821          266        99.99          679
------------------------------------------------------------------------------------------------------------------------------------
 Total:                                         943    150,142,028       100.00        7.255          351        80.17          617
------------------------------------------------------------------------------------------------------------------------------------

 23. Interest Only Term

------------------------------------------------------------------------------------------------------------------------------------
                                                                          % of
                                                                        Mortgage
                                                                        Pool by
                                                         Aggregate     Aggregate    Weighted     Weighted     Weighted
                                              Number      Cut-off       Cut-off     Average      Average      Average       Weighted
                                                of         Date           Date        Gross     Remaining       Comb        Average
                                             Mortgage    Principal     Principal    Interest       Term       Original        FICO
 Interest Only Term                           Loans     Balance ($)    Balance     Rate (%)     (months)        LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
 0                                               861    131,319,281        87.46        7.342          350        80.06          615
 24                                               69     15,640,746        10.42        6.740          357        81.34          636
 36                                               13      3,182,001         2.12        6.191          357        78.97          621
------------------------------------------------------------------------------------------------------------------------------------
 Total:                                          943    150,142,028       100.00        7.255          351        80.17          617
------------------------------------------------------------------------------------------------------------------------------------


MORGAN STANLEY
MSAC 2004-HE9
Group 2

Table of Contents

1. Summary Statistics
2. Originator
3. Product Types
4. Range of Gross Interest Rates (%)
5. Range of Cut-off Date Principal Balances ($)
6. Stated Original Term (months)
7. Range of Stated Remaining Terms (months)
8. Range of Combined Original LTV Ratios (%)
9. Range of Gross Margins (%)
10. Range of Minimum Mortgage Rates (%)
11. Range of Maximum Mortgage Rates (%)
12. Initial Periodic Cap (%)
13. Subsequent Periodic Cap (%)
14. Next Rate Adjustment Dates
15. Geographic Distribution of Mortgaged Properties
16. Occupancy
17. Property Type
18. Loan Purpose
19. Documentation Level
20. Credit Score
21. Prepayment Penalty Term
22. Lien Position
23. Interest Only Term

1. Summary Statistics

Number of Mortgage Loans: 2,922
Aggregate Principal Balance ($): 450,095,528 Weighted Average Current Mortgage Rate (%): 7.288 Non-Zero Weighted Average Margin (%): 5.519 Non-Zero Weighted Average Maximum Rate (%): 14.304 Weighted Average Stated Original Term (months): 352 Weighted Average Stated Remaining Term (months): 349 Weighted Average Combined Original LTV (%): 79.73 % First Liens: 98.87
% Owner Occupied: 93.08
% Purchase: 30.53
% Full Doc: 56.81
Weighted Average Credit Score: 617

 2. Originator

------------------------------------------------------------------------------------------------------------------------------------
                                                                  % of
                                                                Mortgage
                                                                 Pool by
                                                  Aggregate     Aggregate     Weighted     Weighted     Weighted
                                       Number      Cut-off       Cut-off      Average      Average      Average     Weighted
                                         of         Date           Date        Gross      Remaining       Comb      Average
                                      Mortgage    Principal     Principal     Interest       Term       Original      FICO
 Originator                            Loans     Balance ($)     Balance      Rate (%)     (months)        LTV        Score
------------------------------------------------------------------------------------------------------------------------------------
 New Century                            2,922    450,095,528       100.00        7.288          349        79.73          617
------------------------------------------------------------------------------------------------------------------------------------
 Total:                                 2,922    450,095,528       100.00        7.288          349        79.73          617
------------------------------------------------------------------------------------------------------------------------------------

 3. Product Types

------------------------------------------------------------------------------------------------------------------------------------
                                                                  % of
                                                                 Mortgage
                                                                 Pool by
                                                  Aggregate     Aggregate     Weighted     Weighted     Weighted
                                       Number      Cut-off       Cut-off      Average      Average      Average     Weighted
                                         of         Date           Date        Gross      Remaining       Comb      Average
                                      Mortgage    Principal     Principal     Interest       Term       Original      FICO
 Product Types                         Loans     Balance ($)     Balance      Rate (%)     (months)        LTV        Score
------------------------------------------------------------------------------------------------------------------------------------
 Fixed - 10 Year                            2        110,625         0.02        7.386          117        75.28          646
 Fixed - 15 Year                          116     10,766,808         2.39        7.244          177        68.22          618
 Fixed - 20 Year                          148      9,886,505         2.20        8.546          237        81.66          647
 Fixed - 25 Year                            6        661,773         0.15        6.624          297        65.15          653
 Fixed - 30 Year                          733    113,602,257        25.24        7.143          357        75.74          641
 ARM - 2 Year/6 Month                   1,601    255,405,994        56.74        7.436          357        81.38          598
 ARM - 3 Year/6 Month                     116     17,857,629         3.97        7.169          357        80.47          611
 ARM - 2 Year IO/6 Month                  160     32,489,035         7.22        6.860          357        83.10          660
 ARM - 3 Year IO/6 Month                   20      4,140,175         0.92        6.376          357        82.73          669
 ARM - 10 Year IO/1 Month                  20      5,174,726         1.15        4.815          297        81.97          721
------------------------------------------------------------------------------------------------------------------------------------
 Total:                                 2,922    450,095,528       100.00        7.288          349        79.73          617
------------------------------------------------------------------------------------------------------------------------------------

 4. Range of Gross Interest Rates (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                  % of
                                                                 Mortgage
                                                                 Pool by
                                                 Aggregate      Aggregate     Weighted     Weighted     Weighted
                                       Number     Cut-off        Cut-off      Average      Average      Average      Weighted
                                         of         Date           Date        Gross      Remaining       Comb       Average
 Range of Gross Interest              Mortgage   Principal      Principal     Interest       Term       Original      FICO
 Rates (%)                             Loans     Balance ($)     Balance      Rate (%)     (months)        LTV        Score
------------------------------------------------------------------------------------------------------------------------------------
 4.000 - 4.999                             15      3,967,676         0.88        4.658          297        82.00          732
 5.000 - 5.999                            211     44,121,690         9.80        5.790          349        74.73          653
 6.000 - 6.999                            842    149,537,768        33.22        6.550          348        76.66          633
 7.000 - 7.999                            940    147,247,898        32.71        7.509          353        81.47          607
 8.000 - 8.999                            640     84,754,815        18.83        8.465          352        83.15          590
 9.000 - 9.999                            125     12,176,773         2.71        9.368          347        82.19          573
 10.000 - 10.999                           87      5,367,388         1.19       10.472          306        89.49          634
 11.000 - 11.999                           60      2,789,435         0.62       11.429          288        95.10          635
 12.000 - 12.999                            2        132,085         0.03       12.172          334        79.72          548
------------------------------------------------------------------------------------------------------------------------------------
 Total:                                 2,922    450,095,528       100.00        7.288          349        79.73          617
------------------------------------------------------------------------------------------------------------------------------------
 Minimum: 4.375
 Maximum: 12.200
 Weighted Average: 7.288

 5. Range of Cut-off Date Principal Balances ($)

------------------------------------------------------------------------------------------------------------------------------------
                                                                  % of
                                                                 Mortgage
                                                                 Pool by
                                                 Aggregate      Aggregate     Weighted     Weighted     Weighted
                                       Number     Cut-off        Cut-off      Average      Average      Average      Weighted
                                         of         Date           Date        Gross      Remaining       Comb       Average
 Range of Cut-off Date                Mortgage   Principal      Principal     Interest       Term       Original       FICO
 Principal Balances ($)                Loans     Balance ($)     Balance      Rate (%)     (months)        LTV        Score
------------------------------------------------------------------------------------------------------------------------------------
 1 - 25,000                                14        309,936         0.07       11.227          237       100.00          651
 25,001 - 50,000                          111      4,609,259         1.02        9.967          254        87.33          646
 50,001 - 75,000                          387     24,475,332         5.44        8.208          332        78.22          605
 75,001 - 100,000                         432     37,870,358         8.41        7.651          342        79.11          605
 100,001 - 125,000                        368     41,332,107         9.18        7.561          349        78.76          606
 125,001 - 150,000                        329     45,230,625        10.05        7.475          350        79.42          611
 150,001 - 175,000                        250     40,522,779         9.00        7.275          352        80.22          616
 175,001 - 200,000                        226     42,505,572         9.44        7.280          352        78.78          615
 200,001 - 225,000                        186     39,579,761         8.79        7.260          354        79.71          610
 225,001 - 250,000                        160     38,226,064         8.49        6.965          351        78.18          627
 250,001 - 275,000                        165     43,188,313         9.60        6.922          355        78.86          614
 275,001 - 300,000                        141     40,554,747         9.01        6.767          353        80.90          632
 300,001 - 325,000                         80     25,020,516         5.56        6.956          356        82.16          630
 325,001 - 350,000                         37     12,346,564         2.74        6.820          352        81.44          626
 350,001 - 375,000                         14      5,114,197         1.14        7.045          336        82.65          663
 375,001 - 400,000                          8      3,101,706         0.69        6.751          357        86.21          654
 400,001 - 425,000                          7      2,863,105         0.64        6.830          357        84.74          636
 425,001 - 450,000                          3      1,334,425         0.30        7.121          357        85.04          687
 450,001 - 475,000                          2        924,176         0.21        6.946          357        79.85          703
 475,001 - 500,000                          2        985,987         0.22        7.977          357        84.70          668
------------------------------------------------------------------------------------------------------------------------------------
 Total:                                 2,922    450,095,528       100.00        7.288          349        79.73          617
------------------------------------------------------------------------------------------------------------------------------------
 Minimum: 19,914
 Maximum: 499,006
 Average: 154,037

 6. Stated Original Term (months)

------------------------------------------------------------------------------------------------------------------------------------
                                                                  % of
                                                                 Mortgage
                                                                 Pool by
                                                  Aggregate     Aggregate     Weighted     Weighted     Weighted
                                       Number      Cut-off       Cut-off      Average      Average      Average     Weighted
                                         of         Date           Date        Gross      Remaining       Comb      Average
                                      Mortgage    Principal     Principal     Interest       Term       Original      FICO
 Stated Original Term (months)         Loans     Balance ($)      Balance     Rate (%)     (months)        LTV       Score
------------------------------------------------------------------------------------------------------------------------------------
 120                                        2        110,625         0.02        7.386          117        75.28          646
 180                                      116     10,766,808         2.39        7.244          177        68.22          618
 240                                      148      9,886,505         2.20        8.546          237        81.66          647
 300                                       26      5,836,499         1.30        5.020          297        80.06          713
 360                                    2,630    423,495,091        94.09        7.291          357        79.97          615
------------------------------------------------------------------------------------------------------------------------------------
 Total:                                 2,922    450,095,528       100.00        7.288          349        79.73          617
------------------------------------------------------------------------------------------------------------------------------------
 Minimum: 120
 Maximum: 360
 Weighted Average: 352

 7. Range of Stated Remaining Terms (months)

------------------------------------------------------------------------------------------------------------------------------------
                                                                  % of
                                                                 Mortgage
                                                                 Pool by
                                                 Aggregate      Aggregate     Weighted     Weighted     Weighted
                                       Number     Cut-off        Cut-off      Average      Average      Average      Weighted
                                         of         Date           Date        Gross      Remaining       Comb       Average
 Range of Stated Remaining            Mortgage   Principal      Principal     Interest       Term       Original       FICO
 Terms (months)                        Loans     Balance ($)     Balance      Rate (%)     (months)        LTV        Score
------------------------------------------------------------------------------------------------------------------------------------
 109 - 120                                  2        110,625         0.02        7.386          117        75.28          646
 169 - 180                                116     10,766,808         2.39        7.244          177        68.22          618
 229 - 240                                148      9,886,505         2.20        8.546          237        81.66          647
 289 - 300                                 26      5,836,499         1.30        5.020          297        80.06          713
 349 - 360                              2,630    423,495,091        94.09        7.291          357        79.97          615
------------------------------------------------------------------------------------------------------------------------------------
 Total:                                 2,922    450,095,528       100.00        7.288          349        79.73          617
------------------------------------------------------------------------------------------------------------------------------------
 Minimum: 117
 Maximum: 357
 Weighted Average: 349

 8. Range of Combined Original LTV Ratios (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                  % of
                                                                 Mortgage
                                                                 Pool by
                                                 Aggregate      Aggregate     Weighted     Weighted     Weighted
                                       Number     Cut-off        Cut-off      Average      Average      Average      Weighted
                                         of         Date           Date        Gross      Remaining       Comb       Average
 Range of Combined Original           Mortgage   Principal      Principal     Interest       Term       Original       FICO
 LTV Ratios (%)                        Loans     Balance ($)     Balance      Rate (%)     (months)       LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
 <= 10.00                                   1         49,481         0.01        5.990          177        10.00          777
 15.01 - 20.00                              3        294,084         0.07        8.448          321        18.77          592
 20.01 - 25.00                              1        160,521         0.04        6.050          357        20.13          677
 25.01 - 30.00                              6        881,878         0.20        6.676          336        27.93          610
 30.01 - 35.00                             13      1,496,661         0.33        6.802          336        32.67          606
 35.01 - 40.00                             31      3,469,272         0.77        7.130          329        37.40          605
 40.01 - 45.00                             29      3,508,992         0.78        6.716          326        42.55          633
 45.01 - 50.00                             41      5,979,536         1.33        7.067          333        47.94          616
 50.01 - 55.00                             76     11,439,195         2.54        6.935          338        52.67          602
 55.01 - 60.00                             72      9,482,657         2.11        6.772          341        57.96          606
 60.01 - 65.00                            136     21,710,862         4.82        6.947          346        63.40          608
 65.01 - 70.00                            182     29,122,226         6.47        7.127          345        68.63          600
 70.01 - 75.00                            215     33,895,433         7.53        7.179          352        73.72          593
 75.01 - 80.00                            747    119,091,033        26.46        7.101          351        79.72          625
 80.01 - 85.00                            446     74,803,190        16.62        7.314          352        84.53          600
 85.01 - 90.00                            539     87,326,891        19.40        7.442          352        89.65          626
 90.01 - 95.00                            201     33,485,393         7.44        7.572          355        94.82          641
 95.01 - 100.00                           183     13,898,223         3.09        9.248          326        99.97          674
------------------------------------------------------------------------------------------------------------------------------------
 Total:                                 2,922    450,095,528       100.00        7.288          349        79.73          617
------------------------------------------------------------------------------------------------------------------------------------
 Minimum: 10.00
 Maximum: 100.00
 Weighted Average: 79.73

 9. Range of Gross Margins (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                  % of
                                                                 Mortgage
                                                                 Pool by
                                                  Aggregate     Aggregate     Weighted     Weighted     Weighted
                                       Number      Cut-off       Cut-off      Average      Average      Average     Weighted
                                         of         Date           Date        Gross      Remaining       Comb      Average
                                      Mortgage    Principal     Principal     Interest       Term       Original      FICO
 Range of Gross Margins (%)            Loans     Balance ($)     Balance      Rate (%)     (months)        LTV        Score
------------------------------------------------------------------------------------------------------------------------------------
 Fixed Rate Loans                       1,005    135,027,968        30.00        7.251          333        75.52          639
 <= 3.500                                  16      4,064,341         0.90        4.716          298        82.31          729
 3.501 - 4.000                              5      1,207,050         0.27        5.331          297        81.86          684
 5.001 - 5.500                            920    148,194,339        32.93        7.013          357        82.31          606
 5.501 - 6.000                            791    134,794,595        29.95        7.604          357        82.55          616
 6.001 - 6.500                            105     14,935,633         3.32        7.868          357        75.13          559
 6.501 - 7.000                             80     11,871,602         2.64        7.910          357        68.06          566
------------------------------------------------------------------------------------------------------------------------------------
 Total:                                 2,922    450,095,528       100.00        7.288          349        79.73          617
------------------------------------------------------------------------------------------------------------------------------------
 Non-Zero Minimum: 1.605
 Maximum: 7.000
 Non-Zero Weighted
 Average: 5.519

 10. Range of Minimum Mortgage Rates (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                  % of
                                                                 Mortgage
                                                                 Pool by
                                                  Aggregate     Aggregate     Weighted     Weighted     Weighted
                                       Number      Cut-off       Cut-off      Average      Average      Average     Weighted
                                         of         Date           Date        Gross      Remaining       Comb      Average
                                      Mortgage    Principal     Principal     Interest       Term       Original      FICO
 Range of Minimum Mortgage Rates       Loans     Balance ($)     Balance      Rate (%)     (months)        LTV        Score
------------------------------------------------------------------------------------------------------------------------------------
 Fixed Rate Loans                       1,005    135,027,968        30.00        7.251          333        75.52          639
 <=5.000                                   17      4,275,183         0.95        4.683          301        81.93          727
 5.001 - 5.500                             35      7,515,095         1.67        5.290          347        78.58          650
 5.501 - 6.000                            106     22,527,240         5.00        5.852          357        76.87          632
 6.001 - 6.500                            221     41,424,570         9.20        6.327          357        79.82          632
 6.501 - 7.000                            285     52,032,581        11.56        6.810          357        80.69          615
 7.001 - 7.500                            342     55,886,449        12.42        7.295          357        80.93          603
 7.501 - 8.000                            363     58,817,571        13.07        7.799          357        83.88          596
 8.001 - 8.500                            238     34,245,892         7.61        8.279          357        84.03          588
 8.501 - 9.000                            237     30,337,296         6.74        8.762          357        83.03          584
 9.001 - 9.500                             41      4,423,639         0.98        9.237          357        83.68          572
 9.501 - 10.000                            16      1,595,121         0.35        9.758          357        77.36          537
 10.001 -10.500                             9      1,184,952         0.26       10.118          357        86.25          580
 10.501 - 11.000                            4        395,512         0.09       10.823          357        83.34          559
 11.001 - 11.500                            1         55,919         0.01       11.200          356        62.22          505
 11.501 - 12.000                            1        243,379         0.05       11.800          357        70.00          536
 12.001 - 12.500                            1        107,161         0.02       12.200          357        75.00          530
------------------------------------------------------------------------------------------------------------------------------------
 Total:                                 2,922    450,095,528       100.00        7.288          349        79.73          617
------------------------------------------------------------------------------------------------------------------------------------
 Non-Zero Minimum: 4.280
 Maximum: 12.200
 Non-Zero Weighted Average: 7.304
------------------------------------------------------------------------------------------------------------------------------------

 11. Range of Maximum Mortgage Rates (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                  % of
                                                                 Mortgage
                                                                 Pool by
                                                 Aggregate      Aggregate     Weighted     Weighted     Weighted
                                       Number     Cut-off        Cut-off      Average      Average      Average      Weighted
                                         of         Date           Date        Gross      Remaining       Comb       Average
 Range of Maximum Mortgage            Mortgage   Principal      Principal     Interest       Term       Original       FICO
 Rates (%)                             Loans     Balance ($)      Balance     Rate (%)     (months)        LTV        Score
------------------------------------------------------------------------------------------------------------------------------------
 Fixed Rate Loans                       1,005    135,027,968        30.00        7.251          333        75.52          639
 <= 12.500                                 52     11,790,278         2.62        5.070          330        79.79          678
 12.501 - 13.000                          106     22,527,240         5.00        5.852          357        76.87          632
 13.001 - 13.500                          225     41,885,180         9.31        6.337          357        79.89          633
 13.501 - 14.000                          288     52,462,097        11.66        6.817          357        80.69          614
 14.001 - 14.500                          338     55,425,839        12.31        7.295          357        80.89          603
 14.501 - 15.000                          360     58,388,055        12.97        7.801          357        83.89          596
 15.001 - 15.500                          239     34,323,246         7.63        8.281          357        83.94          588
 15.501 - 16.000                          237     30,337,296         6.74        8.762          357        83.03          584
 16.001 - 16.500                           40      4,346,285         0.97        9.239          357        84.36          572
 16.501 - 17.000                           16      1,595,121         0.35        9.758          357        77.36          537
 17.001 - 17.500                            9      1,184,952         0.26       10.118          357        86.25          580
 17.501 - 18.000                            4        395,512         0.09       10.823          357        83.34          559
 18.001 - 18.500                            1         55,919         0.01       11.200          356        62.22          505
 18.501 - 19.000                            1        243,379         0.05       11.800          357        70.00          536
 19.001 - 19.500                            1        107,161         0.02       12.200          357        75.00          530
------------------------------------------------------------------------------------------------------------------------------------
 Total:                                 2,922    450,095,528       100.00        7.288          349        79.73          617
------------------------------------------------------------------------------------------------------------------------------------
 Non-Zero Minimum: 12.000
 Maximum: 19.200
 Non-Zero Weighted Average: 14.304

 12. Initial Periodic Cap (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                  % of
                                                                 Mortgage
                                                                 Pool by
                                                  Aggregate     Aggregate     Weighted     Weighted     Weighted
                                       Number      Cut-off       Cut-off      Average      Average      Average     Weighted
                                         of         Date           Date        Gross      Remaining       Comb      Average
                                      Mortgage    Principal     Principal     Interest       Term       Original      FICO
 Initial Periodic Cap (%)              Loans     Balance ($)     Balance      Rate (%)     (months)        LTV        Score
------------------------------------------------------------------------------------------------------------------------------------
 Fixed Rate Loans                       1,005    135,027,968        30.00        7.251          333        75.52          639
 1                                          8        967,479         0.21        7.545          357        80.49          609
 1.5                                    1,889    308,925,355        68.64        7.345          357        81.53          606
 3                                         20      5,174,726         1.15        4.815          297        81.97          721
------------------------------------------------------------------------------------------------------------------------------------
 Total:                                 2,922    450,095,528       100.00        7.288          349        79.73          617
------------------------------------------------------------------------------------------------------------------------------------
 Non-Zero Minimum: 1.000
 Maximum: 3.000
 Non-Zero Weighted Average: 1.523

 13. Subsequent Periodic Cap (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                   % of
                                                                 Mortgage
                                                                 Pool by
                                                 Aggregate      Aggregate     Weighted    Weighted      Weighted
                                       Number     Cut-off        Cut-off      Average      Average      Average      Weighted
                                         of         Date           Date        Gross      Remaining       Comb       Average
                                      Mortgage    Principal     Principal     Interest       Term       Original       FICO
 Subsequent Periodic Cap (%)           Loans     Balance ($)     Balance      Rate (%)     (months)        LTV        Score
------------------------------------------------------------------------------------------------------------------------------------
 Fixed Rate Loans                       1,005    135,027,968        30.00        7.251          333        75.52          639
 1                                          8        967,479         0.21        7.545          357        80.49          609
 1.5                                    1,889    308,925,355        68.64        7.345          357        81.53          606
 3                                         20      5,174,726         1.15        4.815          297        81.97          721
------------------------------------------------------------------------------------------------------------------------------------
 Total:                                 2,922    450,095,528       100.00        7.288          349        79.73          617
 Non-Zero Minimum: 1.000
 Maximum: 3.000
 Non-Zero Weighted Average: 1.523
------------------------------------------------------------------------------------------------------------------------------------

 14. Next Rate Adjustment Dates

------------------------------------------------------------------------------------------------------------------------------------
                                                                   % of
                                                                 Mortgage
                                                                 Pool by
                                                 Aggregate      Aggregate     Weighted    Weighted      Weighted
                                       Number     Cut-off        Cut-off      Average      Average      Average      Weighted
                                         of         Date           Date        Gross      Remaining       Comb       Average
                                      Mortgage    Principal     Principal     Interest       Term       Original       FICO
 Next Rate Adjustment Dates            Loans     Balance ($)      Balance     Rate (%)     (months)        LTV        Score
------------------------------------------------------------------------------------------------------------------------------------
 Fixed Rate Loans                       1,005    135,027,968        30.00        7.251          333        75.52          639
 Dec-04                                    20      5,174,726         1.15        4.815          297        81.97          721
 May-06                                     6      1,021,657         0.23        6.104          354        78.16          616
 Jun-06                                     8      1,412,990         0.31        6.576          355        85.08          610
 Jul-06                                    77     12,546,063         2.79        7.442          356        82.97          582
 Aug-06                                 1,670    272,914,319        60.63        7.376          357        81.50          606
 Jun-07                                     1        160,000         0.04        5.700          355        80.00          619
 Jul-07                                     6        875,460         0.19        6.877          356        81.97          615
 Aug-07                                   129     20,962,344         4.66        7.036          357        80.86          622
------------------------------------------------------------------------------------------------------------------------------------
 Total:                                 2,922    450,095,528       100.00        7.288          349        79.73          617
------------------------------------------------------------------------------------------------------------------------------------

 15. Geographic Distribution of Mortgaged Properties

------------------------------------------------------------------------------------------------------------------------------------
                                                                   % of
                                                                 Mortgage
                                                                  Pool by
                                                  Aggregate      Aggregate     Weighted     Weighted     Weighted
                                        Number     Cut-off        Cut-off      Average      Average      Average      Weighted
                                          of         Date           Date        Gross      Remaining       Comb       Average
 Geographic Distribution of            Mortgage   Principal      Principal     Interest       Term       Original       FICO
 Mortgaged Properties                   Loans     Balance ($)     Balance      Rate (%)     (months)        LTV        Score
------------------------------------------------------------------------------------------------------------------------------------
 California                               724    149,901,740        33.30        6.850          351        76.25          628
 Florida                                  313     38,517,830         8.56        7.568          351        80.53          607
 New York                                 113     27,239,981         6.05        7.196          352        78.59          624
 Texas                                    269     25,497,663         5.66        7.622          322        78.11          603
 New Jersey                                84     16,784,654         3.73        7.466          355        82.30          606
 Massachusetts                             79     16,134,533         3.58        7.050          356        79.95          621
 Illinois                                  85     12,369,248         2.75        7.677          349        81.53          602
 Nevada                                    72     12,170,196         2.70        7.541          353        82.47          625
 Ohio                                     103     10,539,984         2.34        7.847          346        85.64          604
 Maryland                                  56      9,594,851         2.13        7.551          351        81.08          594
 Washington                                63      9,470,776         2.10        7.119          348        82.83          634
 Pennsylvania                              81      9,408,284         2.09        7.778          347        83.28          612
 Colorado                                  62      9,349,840         2.08        7.264          354        81.49          611
 Arizona                                   71      8,799,356         1.95        7.352          353        84.43          618
 Michigan                                  86      8,737,199         1.94        7.940          352        82.84          604
 Other                                    661     85,579,393        19.01        7.574          348        82.50          614
------------------------------------------------------------------------------------------------------------------------------------
 Total:                                 2,922    450,095,528       100.00        7.288          349        79.73          617
------------------------------------------------------------------------------------------------------------------------------------
Number of States/District of
Columbia Represented: 48

 16. Occupancy

------------------------------------------------------------------------------------------------------------------------------------
                                                                   % of
                                                                 Mortgage
                                                                  Pool by
                                                 Aggregate       Aggregate     Weighted     Weighted    Weighted
                                       Number     Cut-off         Cut-off      Average      Average     Average        Weighted
                                         of         Date           Date         Gross      Remaining      Comb          Average
                                      Mortgage    Principal      Principal     Interest       Term      Original         FICO
 Occupancy                             Loans     Balance ($)      Balance      Rate (%)     (months)       LTV           Score
------------------------------------------------------------------------------------------------------------------------------------
 Primary                                2,702    418,954,331        93.08        7.255          349        79.68          615
 Investment                               204     29,107,322         6.47        7.718          355        80.57          649
 Second Home                               16      2,033,876         0.45        7.913          352        76.82          613
------------------------------------------------------------------------------------------------------------------------------------
 Total:                                 2,922    450,095,528       100.00        7.288          349        79.73          617
------------------------------------------------------------------------------------------------------------------------------------

 17. Property Type

------------------------------------------------------------------------------------------------------------------------------------
                                                                   % of
                                                                 Mortgage
                                                                  Pool by
                                                  Aggregate      Aggregate     Weighted     Weighted    Weighted
                                       Number      Cut-off        Cut-off      Average      Average     Average        Weighted
                                         of         Date            Date        Gross      Remaining      Comb          Average
                                      Mortgage    Principal      Principal     Interest       Term      Original         FICO
 Property Type                         Loans     Balance ($)      Balance      Rate (%)     (months)       LTV           Score
------------------------------------------------------------------------------------------------------------------------------------
 Single Family Residence                2,222    329,994,211        73.32        7.306          349        79.62          614
 Planned Unit Development                 325     50,193,432        11.15        7.234          346        80.56          616
 2-4 Family                               198     43,638,573         9.70        7.203          351        79.36          638
 Condo                                    177     26,269,312         5.84        7.317          354        80.07          624
------------------------------------------------------------------------------------------------------------------------------------
 Total:                                 2,922    450,095,528       100.00        7.288          349        79.73          617
------------------------------------------------------------------------------------------------------------------------------------

 18. Loan Purpose

------------------------------------------------------------------------------------------------------------------------------------
                                                                   % of
                                                                 Mortgage
                                                                 Pool by
                                                  Aggregate     Aggregate     Weighted     Weighted     Weighted
                                       Number     Cut-off        Cut-off      Average      Average      Average      Weighted
                                         of         Date          Date         Gross      Remaining       Comb       Average
                                      Mortgage    Principal     Principal     Interest       Term       Original       FICO
 Loan Purpose                          Loans     Balance ($)     Balance      Rate (%)     (months)        LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
 Refinance - Cashout                    1,805    289,690,629        64.36        7.176          349        77.03          606
 Purchase                                 940    137,431,060        30.53        7.542          352        85.54          643
 Refinance - Rate Term                    177     22,973,839         5.10        7.180          333        78.96          609
------------------------------------------------------------------------------------------------------------------------------------
 Total:                                 2,922    450,095,528       100.00        7.288          349        79.73          617
------------------------------------------------------------------------------------------------------------------------------------

 19. Documentation Level

------------------------------------------------------------------------------------------------------------------------------------
                                                                   % of
                                                                 Mortgage
                                                                 Pool by
                                                  Aggregate     Aggregate    Weighted     Weighted     Weighted
                                       Number      Cut-off       Cut-off      Average      Average      Average      Weighted
                                         of         Date           Date        Gross      Remaining       Comb       Average
                                      Mortgage    Principal     Principal     Interest       Term       Original       FICO
 Documentation Level                   Loans     Balance ($)     Balance      Rate (%)     (months)        LTV        Score
------------------------------------------------------------------------------------------------------------------------------------
 Full                                   1,743    255,721,622        56.81        7.098          349        79.64          608
 Stated Documentation                   1,070    177,564,750        39.45        7.577          350        79.85          632
 Limited                                  109     16,809,157         3.73        7.137          342        79.82          612
------------------------------------------------------------------------------------------------------------------------------------
 Total:                                 2,922    450,095,528       100.00        7.288          349        79.73          617
------------------------------------------------------------------------------------------------------------------------------------

 20. Credit Score

------------------------------------------------------------------------------------------------------------------------------------
                                                                    % of
                                                                  Mortgage
                                                                  Pool by
                                                  Aggregate      Aggregate     Weighted     Weighted     Weighted
                                       Number      Cut-off        Cut-off      Average      Average      Average      Weighted
                                         of         Date            Date        Gross      Remaining       Comb       Average
                                      Mortgage    Principal      Principal     Interest       Term       Original       FICO
 Credit Score                          Loans     Balance ($)      Balance      Rate (%)     (months)        LTV        Score
------------------------------------------------------------------------------------------------------------------------------------
 500 - 524                                143     19,535,253         4.34        8.301          354        72.68          515
 525 - 549                                307     42,802,412         9.51        8.054          352        75.00          537
 550 - 574                                376     55,207,547        12.27        7.534          350        78.16          562
 575 - 599                                376     56,172,700        12.48        7.414          350        78.80          588
 600 - 624                                447     72,487,604        16.10        7.089          351        81.18          612
 625 - 649                                519     83,733,222        18.60        7.115          350        82.85          637
 650 - 674                                301     46,804,300        10.40        7.096          348        80.84          661
 675 - 699                                198     30,937,812         6.87        6.887          345        79.90          686
 700 - 724                                135     22,256,388         4.94        6.724          346        81.26          711
 725 - 749                                 61      9,991,058         2.22        6.849          344        83.10          735
 750 - 774                                 37      6,332,499         1.41        6.863          344        81.48          761
 775 - 799                                 21      3,701,129         0.82        6.465          324        73.40          785
 800 +                                      1        133,605         0.03        6.100          357        80.00          802
------------------------------------------------------------------------------------------------------------------------------------
 Total:                                 2,922    450,095,528       100.00        7.288          349        79.73          617
------------------------------------------------------------------------------------------------------------------------------------
 Minimum: 505
 Maximum: 802
 Non-Zero Weighted
 Average: 617

 21. Prepayment Penalty Term

------------------------------------------------------------------------------------------------------------------------------------
                                                                    % of
                                                                  Mortgage
                                                                  Pool by
                                                  Aggregate      Aggregate     Weighted     Weighted     Weighted
                                       Number      Cut-off        Cut-off      Average      Average      Average      Weighted
                                         of         Date            Date        Gross      Remaining       Comb       Average
                                      Mortgage    Principal      Principal     Interest       Term       Original       FICO
 Prepayment Penalty Term               Loans     Balance ($)      Balance      Rate (%)     (months)       LTV         Score
------------------------------------------------------------------------------------------------------------------------------------
 0                                        659     94,087,156        20.90        7.610          343        80.93          616
 12                                        86     17,995,484         4.00        7.189          348        75.65          628
 24                                     1,401    221,866,120        49.29        7.299          356        81.71          606
 36                                       776    116,146,768        25.80        7.023          341        75.61          640
------------------------------------------------------------------------------------------------------------------------------------
 Total:                                 2,922    450,095,528       100.00        7.288          349        79.73          617
------------------------------------------------------------------------------------------------------------------------------------
 Non-Zero Minimum: 12
 Maximum: 36
 Non-Zero Weighted Average: 27

 22. Lien Position

------------------------------------------------------------------------------------------------------------------------------------
                                                                   % of
                                                                 Mortgage
                                                                  Pool by
                                                  Aggregate      Aggregate    Weighted     Weighted     Weighted
                                       Number      Cut-off        Cut-off     Average      Average      Average      Weighted
                                         of         Date           Date        Gross      Remaining       Comb       Average
 Lien                                 Mortgage    Principal      Principal    Interest       Term       Original       FICO
 Position                              Loans     Balance ($)      Balance     Rate (%)     (months)        LTV        Score
------------------------------------------------------------------------------------------------------------------------------------
 1st Lien                               2,799    445,016,770        98.87        7.247          350        79.50          617
 2nd Lien                                 123      5,078,758         1.13       10.925          274        99.99          677
------------------------------------------------------------------------------------------------------------------------------------
 Total:                                 2,922    450,095,528       100.00        7.288          349        79.73          617
------------------------------------------------------------------------------------------------------------------------------------

 23. Interest Only Term

------------------------------------------------------------------------------------------------------------------------------------
                                                                    % of
                                                                  Mortgage
                                                                  Pool by
                                                  Aggregate      Aggregate     Weighted     Weighted     Weighted
                                       Number      Cut-off        Cut-off      Average      Average      Average      Weighted
                                         of         Date            Date        Gross      Remaining       Comb       Average
                                      Mortgage    Principal      Principal     Interest       Term       Original       FICO
 Interest Only Term                    Loans     Balance ($)      Balance      Rate (%)     (months)        LTV        Score
------------------------------------------------------------------------------------------------------------------------------------
 0                                      2,722    408,291,592        90.71        7.363          349        79.40          612
 24                                       160     32,489,035         7.22        6.860          357        83.10          660
 36                                        20      4,140,175         0.92        6.376          357        82.73          669
 120                                       20      5,174,726         1.15        4.815          297        81.97          721
------------------------------------------------------------------------------------------------------------------------------------
 Total:                                 2,922    450,095,528       100.00        7.288          349        79.73          617
------------------------------------------------------------------------------------------------------------------------------------


MORGAN STANLEY
MSAC 2004-HE9
Group 3

Table of Contents

1. Summary Statistics
2. Originator
3. Product Types
4. Range of Gross Interest Rates (%)
5. Range of Cut-off Date Principal Balances ($)
6. Stated Original Term (months)
7. Range of Stated Remaining Terms (months)
8. Range of Combined Original LTV Ratios (%)
9. Range of Gross Margins (%)
10. Range of Minimum Mortgage Rates (%)
11. Range of Maximum Mortgage Rates (%)
12. Initial Periodic Cap (%)
13. Subsequent Periodic Cap (%)
14. Next Rate Adjustment Dates
15. Geographic Distribution of Mortgaged Properties
16. Occupancy
17. Property Type
18. Loan Purpose
19. Documentation Level
20. Credit Score
21. Prepayment Penalty Term
22. Lien Position
23. Interest Only Term

1. Summary Statistics

Number of Mortgage Loans: 6,211
Aggregate Principal Balance ($): 1,116,004,532 Weighted Average Current Mortgage Rate (%): 7.293 Non-Zero Weighted Average Margin (%): 5.718 Non-Zero Weighted Average Maximum Rate (%): 13.813 Weighted Average Stated Original Term (months): 355 Weighted Average Stated Remaining Term (months): 352 Weighted Average Combined Original LTV (%): 79.58 % First Liens: 99.36
% Owner Occupied: 94.52
% Purchase: 35.66
% Full Doc: 54.18
Weighted Average Credit Score: 617

 2. Originator

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                               Pool by
                                             Aggregate       Aggregate       Weighted       Weighted       Weighted
                                 Number       Cut-off         Cut-off        Average        Average        Average        Weighted
                                   of          Date             Date          Gross        Remaining         Comb          Average
                                Mortgage     Principal       Principal       Interest         Term         Original          FICO
 Originator                      Loans      Balance ($)       Balance        Rate (%)       (months)          LTV           Score
------------------------------------------------------------------------------------------------------------------------------------
 Aames                             2,781    451,134,221          40.42          7.497            354          78.70            605
 Accredited                        1,708    274,503,370          24.60          7.412            353          81.23            623
 New Century                       1,722    390,366,940          34.98          6.975            349          79.43            628
------------------------------------------------------------------------------------------------------------------------------------
 Total:                            6,211  1,116,004,532         100.00          7.293            352          79.58            617
------------------------------------------------------------------------------------------------------------------------------------

 3. Product Types

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                               Pool by
                                             Aggregate       Aggregate       Weighted       Weighted       Weighted
                                 Number       Cut-off         Cut-off        Average        Average        Average        Weighted
                                   of          Date             Date          Gross        Remaining         Comb          Average
                                Mortgage     Principal       Principal       Interest         Term         Original          FICO
 Product Types                   Loans      Balance ($)       Balance        Rate (%)       (months)          LTV           Score
------------------------------------------------------------------------------------------------------------------------------------
 Fixed - 10 Year                      19      1,319,213           0.12          7.748            117          71.55            641
 Fixed - 15 Year                     160     15,562,853           1.39          7.369            177          71.15            619
 Fixed - 20 Year                     103     10,998,113           0.99          7.737            237          74.72            613
 Fixed - 25 Year                      28      2,774,069           0.25          8.321            297          75.89            601
 Fixed - 30 Year                   1,469    232,180,919          20.80          7.358            357          76.53            633
 ARM - 2 Year/6 Month              3,199    595,805,754          53.39          7.414            357          80.15            602
 ARM - 3 Year/6 Month                684    109,939,364           9.85          7.531            356          82.23            615
 ARM - 5 Year/6 Month                 53     10,161,470           0.91          6.957            358          76.40            629
 ARM - 2 Year IO/6 Month             315     92,656,824           8.30          6.558            357          81.78            651
 ARM - 3 Year IO/6 Month              94     21,149,000           1.90          6.689            356          84.15            649
 ARM - 5 Year IO/6 Month               4        688,800           0.06          6.824            357          78.03            634
 ARM - 10 Year IO/1 Month             32     10,385,446           0.93          4.817            297          80.56            728
 Interest Only Fixed - 30 Year        51     12,382,706           1.11          6.301            356          80.10            671
------------------------------------------------------------------------------------------------------------------------------------
 Total:                            6,211  1,116,004,532         100.00          7.293            352          79.58            617
------------------------------------------------------------------------------------------------------------------------------------

 4. Range of Gross Interest Rates (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                               Pool by
                                             Aggregate       Aggregate       Weighted       Weighted       Weighted
                                 Number       Cut-off         Cut-off        Average        Average        Average        Weighted
                                   of           Date            Date          Gross        Remaining         Comb          Average
 Range of Gross Interest        Mortgage     Principal       Principal       Interest         Term         Original         FICO
 Rates (%)                       Loans      Balance ($)       Balance        Rate (%)       (months)         LTV           Score
------------------------------------------------------------------------------------------------------------------------------------
 4.000 - 4.999                        34     10,717,749           0.96          4.739            308          80.04            728
 5.000 - 5.999                       430    111,799,586          10.02          5.745            353          76.22            649
 6.000 - 6.999                     1,791    379,344,221          33.99          6.605            353          78.12            635
 7.000 - 7.999                     2,189    386,145,775          34.60          7.531            353          80.96            611
 8.000 - 8.999                     1,136    162,437,776          14.56          8.502            352          81.35            580
 9.000 - 9.999                       378     44,369,222           3.98          9.472            354          80.57            561
 10.000 - 10.999                     162     13,993,969           1.25         10.538            347          80.14            579
 11.000 - 11.999                      72      5,637,951           0.51         11.398            338          87.14            595
 12.000 - 12.999                      18      1,509,305           0.14         12.459            337          87.51            582
 13.000 - 13.999                       1         48,978           0.00         13.055            358          70.00            542
------------------------------------------------------------------------------------------------------------------------------------
 Total:                            6,211  1,116,004,532         100.00          7.293            352          79.58            617
------------------------------------------------------------------------------------------------------------------------------------
 Minimum: 4.125
 Maximum: 13.055
 Weighted Average: 7.293

 5. Range of Cut-off Date Principal Balances ($)

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                               Pool by
                                             Aggregate       Aggregate       Weighted       Weighted       Weighted
                                  Number      Cut-off         Cut-off        Average        Average        Average        Weighted
                                    of          Date            Date          Gross        Remaining         Comb          Average
 Range of Cut-off Date           Mortgage     Principal       Principal      Interest         Term         Original          FICO
 Principal Balances ($)           Loans      Balance ($)       Balance       Rate (%)       (months)          LTV           Score
------------------------------------------------------------------------------------------------------------------------------------
 25,001 - 50,000                     188      8,412,056           0.75          9.012            306          69.20            585
 50,001 - 75,000                     671     42,514,500           3.81          8.460            337          77.95            601
 75,001 - 100,000                    855     75,355,734           6.75          7.974            347          79.17            608
 100,001 - 125,000                   807     90,848,284           8.14          7.666            352          79.92            610
 125,001 - 150,000                   725    100,095,679           8.97          7.458            351          78.74            611
 150,001 - 175,000                   530     85,989,082           7.71          7.324            353          78.12            612
 175,001 - 200,000                   460     86,356,112           7.74          7.346            353          78.18            602
 200,001 - 225,000                   356     75,934,950           6.80          7.324            354          79.01            610
 225,001 - 250,000                   239     56,736,624           5.08          7.319            355          78.59            610
 250,001 - 275,000                   223     58,444,607           5.24          7.133            355          80.27            616
 275,001 - 300,000                   174     49,925,365           4.47          7.100            356          79.81            620
 300,001 - 325,000                   141     43,948,195           3.94          7.231            356          80.66            615
 325,001 - 350,000                   178     60,239,606           5.40          6.949            353          80.56            628
 350,001 - 375,000                   184     66,597,700           5.97          6.898            354          81.77            626
 375,001 - 400,000                   145     56,250,864           5.04          6.730            354          81.16            640
 400,001 - 425,000                    83     34,280,947           3.07          6.863            353          80.84            629
 425,001 - 450,000                    64     27,985,158           2.51          6.875            356          82.10            624
 450,001 - 475,000                    57     26,380,712           2.36          6.635            356          81.80            652
 475,001 - 500,000                    76     37,399,325           3.35          6.945            355          81.12            637
 500,001 - 750,000                    55     32,309,032           2.90          6.700            356          78.44            651
------------------------------------------------------------------------------------------------------------------------------------
 Total:                            6,211  1,116,004,532         100.00          7.293            352          79.58            617
------------------------------------------------------------------------------------------------------------------------------------
 Minimum: 34,431
 Maximum: 750,000
 Average: 179,682

 6. Stated Original Term (months)

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                               Pool by
                                             Aggregate       Aggregate       Weighted       Weighted       Weighted
                                 Number       Cut-off         Cut-off        Average        Average        Average        Weighted
                                   of          Date             Date          Gross        Remaining         Comb          Average
                                Mortgage     Principal       Principal       Interest         Term         Original         FICO
 Stated Original Term (months)   Loans      Balance ($)       Balance        Rate (%)       (months)         LTV            Score
------------------------------------------------------------------------------------------------------------------------------------
 120                                  19      1,319,213           0.12          7.748            117          71.55            641
 180                                 161     15,636,342           1.40          7.388            177          71.24            619
 240                                 103     10,998,113           0.99          7.737            237          74.72            613
 300                                  60     13,159,515           1.18          5.555            297          79.58            701
 360                               5,868  1,074,891,348          96.32          7.308            357          79.76            616
------------------------------------------------------------------------------------------------------------------------------------
 Total:                            6,211  1,116,004,532         100.00          7.293            352          79.58            617
------------------------------------------------------------------------------------------------------------------------------------
 Minimum: 120
 Maximum: 360
 Weighted Average: 355

 7. Range of Stated Remaining Terms (months)

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                               Pool by
                                             Aggregate       Aggregate       Weighted       Weighted       Weighted
                                 Number       Cut-off         Cut-off        Average        Average        Average        Weighted
                                   of           Date            Date          Gross        Remaining         Comb          Average
 Range of Stated Remaining      Mortgage     Principal       Principal       Interest         Term         Original         FICO
 Terms (months)                  Loans      Balance ($)       Balance        Rate (%)       (months)          LTV           Score
------------------------------------------------------------------------------------------------------------------------------------
 109 - 120                            19      1,319,213           0.12          7.748            117          71.55            641
 169 - 180                           161     15,636,342           1.40          7.388            177          71.24            619
 229 - 240                           103     10,998,113           0.99          7.737            237          74.72            613
 289 - 300                            60     13,159,515           1.18          5.555            297          79.58            701
 349 - 360                         5,868  1,074,891,348          96.32          7.308            357          79.76            616
------------------------------------------------------------------------------------------------------------------------------------
 Total:                            6,211  1,116,004,532         100.00          7.293            352          79.58            617
------------------------------------------------------------------------------------------------------------------------------------
 Minimum: 116
 Maximum: 358
 Weighted Average: 352

 8. Range of Combined Original LTV Ratios (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                               Pool by
                                              Aggregate       Aggregate      Weighted       Weighted       Weighted
                                 Number       Cut-off         Cut-off        Average        Average        Average        Weighted
                                   of           Date            Date          Gross        Remaining         Comb          Average
 Range of Combined Original     Mortgage     Principal        Principal      Interest         Term         Original         FICO
 LTV Ratios (%)                  Loans       Balance ($)       Balance       Rate (%)       (months)         LTV           Score
------------------------------------------------------------------------------------------------------------------------------------
 <= 10.00                              2         84,459           0.01          8.076            283           7.86            631
 10.01 - 15.00                         2        123,721           0.01          7.206            227          12.27            631
 15.01 - 20.00                         2        232,395           0.02          8.194            356          17.87            560
 20.01 - 25.00                        18      1,429,124           0.13          7.365            330          23.86            621
 25.01 - 30.00                        17      1,414,331           0.13          7.024            336          28.68            607
 30.01 - 35.00                        23      2,350,387           0.21          7.546            333          32.02            601
 35.01 - 40.00                        23      3,193,328           0.29          6.752            329          37.81            624
 40.01 - 45.00                        46      6,315,656           0.57          6.872            341          42.78            616
 45.01 - 50.00                        79     11,821,174           1.06          7.299            350          47.86            588
 50.01 - 55.00                        85     14,086,599           1.26          6.964            349          53.01            601
 55.01 - 60.00                       111     18,521,499           1.66          7.163            341          57.80            598
 60.01 - 65.00                       234     42,107,079           3.77          7.122            350          63.20            605
 65.01 - 70.00                       359     60,816,719           5.45          7.251            346          68.66            593
 70.01 - 75.00                       548     94,782,309           8.49          7.348            349          74.08            598
 75.01 - 80.00                     2,651    469,311,394          42.05          7.107            354          79.69            630
 80.01 - 85.00                       760    152,858,122          13.70          7.346            352          84.47            604
 85.01 - 90.00                       790    160,914,490          14.42          7.500            353          89.67            621
 90.01 - 95.00                       270     53,271,418           4.77          7.842            355          94.79            611
 95.01 - 100.00                      191     22,370,326           2.00          8.735            352          99.89            655
------------------------------------------------------------------------------------------------------------------------------------
 Total:                            6,211  1,116,004,532         100.00          7.293            352          79.58            617
------------------------------------------------------------------------------------------------------------------------------------
 Minimum: 6.09
 Maximum: 100.00
 Weighted Average: 79.58

 9. Range of Gross Margins (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                               Pool by
                                             Aggregate       Aggregate       Weighted       Weighted       Weighted
                                 Number       Cut-off         Cut-off        Average        Average        Average        Weighted
                                   of          Date             Date          Gross        Remaining         Comb          Average
                                Mortgage     Principal       Principal       Interest         Term         Original         FICO
 Range of Gross Margins (%)      Loans      Balance ($)       Balance        Rate (%)       (months)         LTV           Score
------------------------------------------------------------------------------------------------------------------------------------
 Fixed Rate Loans                  1,830    275,217,873          24.66          7.338            340          76.29            633
 <= 3.500                             31     10,053,339           0.90          4.722            305          80.11            735
 3.501 - 4.000                        13      3,891,934           0.35          5.419            342          81.82            675
 4.001 - 4.500                        43      9,501,075           0.85          5.987            351          78.79            652
 4.501 - 5.000                        71     12,456,009           1.12          6.367            356          80.21            639
 5.001 - 5.500                     2,272    440,904,944          39.51          7.017            357          81.15            619
 5.501 - 6.000                       823    184,809,678          16.56          7.262            357          81.36            621
 6.001 - 6.500                       576     95,209,841           8.53          7.921            357          79.52            579
 6.501 - 7.000                       355     54,070,677           4.85          8.427            357          75.66            571
 7.001 - 7.500                       108     16,769,501           1.50          8.719            356          83.53            577
 7.501 - 8.000                        49      6,815,403           0.61          8.954            356          84.66            568
 8.001 - 8.500                        26      4,007,512           0.36          9.806            356          78.19            560
 8.501 - 9.000                        11      1,820,843           0.16          9.922            356          81.44            564
 9.501 - 10.000                        3        475,902           0.04         10.176            356          64.40            544
------------------------------------------------------------------------------------------------------------------------------------
 Total:                            6,211  1,116,004,532         100.00          7.293            352          79.58            617
------------------------------------------------------------------------------------------------------------------------------------
 Non-Zero Minimum: 2.750
 Maximum: 9.990
 Non-Zero Weighted Average: 5.718

 10. Range of Minimum Mortgage Rates (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                              Pool by
                                             Aggregate       Aggregate       Weighted       Weighted       Weighted
                                 Number       Cut-off         Cut-off        Average        Average        Average         Weighted
                                   of           Date           Date           Gross        Remaining         Comb          Average
 Range of Minimum Mortgage      Mortgage     Principal       Principal       Interest         Term         Original          FICO
 Rates (%)                       Loans      Balance ($)       Balance        Rate (%)       (months)         LTV            Score
------------------------------------------------------------------------------------------------------------------------------------
 Fixed Rate Loans                  1,830    275,217,873          24.66          7.338            340          76.29            633
 <=5.000                              35     10,914,390           0.98          4.744            309          80.03            727
 5.001 - 5.500                        93     25,542,107           2.29          5.381            355          77.77            648
 5.501 - 6.000                       270     67,845,441           6.08          5.850            356          78.03            641
 6.001 - 6.500                       441    100,238,840           8.98          6.336            357          78.29            631
 6.501 - 7.000                       826    173,584,470          15.55          6.819            357          80.68            627
 7.001 - 7.500                       762    149,868,445          13.43          7.301            357          81.21            614
 7.501 - 8.000                       779    142,036,962          12.73          7.801            357          82.73            602
 8.001 - 8.500                       399     68,917,900           6.18          8.292            357          82.00            581
 8.501 - 9.000                       381     56,432,774           5.06          8.790            357          82.34            568
 9.001 - 9.500                       158     20,079,699           1.80          9.267            357          81.44            556
 9.501 - 10.000                      118     14,749,242           1.32          9.803            357          79.63            548
 10.001 -10.500                       46      4,264,522           0.38         10.316            357          72.98            540
 10.501 - 11.000                      32      3,254,907           0.29         10.789            357          73.11            537
 11.001 - 11.500                      25      1,982,936           0.18         11.301            350          75.13            530
 11.501 - 12.000                       7        528,649           0.05         11.763            357          76.56            526
 12.001 - 12.500                       5        338,959           0.03         12.161            357          77.66            528
 12.501 - 13.000                       3        157,437           0.01         12.863            357          73.36            524
 13.001 - 13.500                       1         48,978           0.00         13.055            358          70.00            542
------------------------------------------------------------------------------------------------------------------------------------
 Total:                            6,211  1,116,004,532         100.00          7.293            352          79.58            617
------------------------------------------------------------------------------------------------------------------------------------
 Non-Zero Minimum: 4.030
 Maximum: 13.055
 Non-Zero Weighted Average: 7.278

 11. Range of Maximum Mortgage Rates (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                               % of
                                                             Mortgage
                                                              Pool by
                                             Aggregate       Aggregate       Weighted       Weighted       Weighted
                                 Number       Cut-off        Cut-off         Average        Average        Average         Weighted
                                   of          Date            Date           Gross        Remaining         Comb          Average
 Range of Maximum Mortgage      Mortgage     Principal       Principal       Interest         Term         Original          FICO
 Rates (%)                       Loans      Balance ($)       Balance        Rate (%)       (months)         LTV            Score
------------------------------------------------------------------------------------------------------------------------------------
 Fixed Rate Loans                  1,830    275,217,873          24.66          7.338            340          76.29            633
 <= 12.500                           511    115,121,723          10.32          5.872            352          77.36            649
 12.501 - 13.000                     539    115,944,171          10.39          6.488            357          78.97            621
 13.001 - 13.500                     576    122,017,280          10.93          6.868            357          79.55            620
 13.501 - 14.000                     765    154,219,061          13.82          7.196            357          81.71            622
 14.001 - 14.500                     600    116,191,269          10.41          7.610            357          82.32            605
 14.501 - 15.000                     642    110,462,543           9.90          8.059            357          83.27            594
 15.001 - 15.500                     309     48,942,038           4.39          8.616            357          81.92            573
 15.501 - 16.000                     252     37,805,212           3.39          9.042            357          82.88            569
 16.001 - 16.500                      74      7,861,250           0.70          9.759            357          77.51            553
 16.501 - 17.000                      64      8,160,417           0.73         10.204            356          77.08            546
 17.001 - 17.500                      29      2,456,693           0.22         11.013            351          75.87            538
 17.501 - 18.000                       9        821,738           0.07         11.463            357          71.24            535
 18.001 - 18.500                       7        576,850           0.05         11.858            357          74.71            527
 18.501 - 19.000                       3        157,437           0.01         12.863            357          73.36            524
 19.001 - 19.500                       1         48,978           0.00         13.055            358          70.00            542
------------------------------------------------------------------------------------------------------------------------------------
 Total:                            6,211  1,116,004,532         100.00          7.293            352          79.58            617
------------------------------------------------------------------------------------------------------------------------------------
 Non-Zero Minimum: 10.330
 Maximum: 19.055
 Non-Zero Weighted Average: 13.813

 12. Initial Periodic Cap (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                              Pool by
                                             Aggregate       Aggregate       Weighted       Weighted       Weighted
                                 Number       Cut-off         Cut-off        Average        Average        Average        Weighted
                                   of          Date             Date          Gross        Remaining         Comb         Average
                                Mortgage     Principal       Principal       Interest         Term         Original         FICO
 Initial Periodic Cap (%)        Loans      Balance ($)       Balance        Rate (%)       (months)         LTV           Score
------------------------------------------------------------------------------------------------------------------------------------
 Fixed Rate Loans                  1,830    275,217,873          24.66          7.338            340          76.29            633
 1                                     6        985,311           0.09          6.813            357          81.16            623
 1.5                               2,098    447,471,782          40.10          7.188            357          81.80            618
 3                                 2,222    381,862,826          34.22          7.394            356          79.44            605
 5                                    55     10,466,740           0.94          6.985            358          76.61            628
------------------------------------------------------------------------------------------------------------------------------------
 Total:                            6,211  1,116,004,532         100.00          7.293            352          79.58            617
------------------------------------------------------------------------------------------------------------------------------------
 Non-Zero Minimum: 1.000
 Maximum: 5.000
 Non-Zero Weighted Average: 2.224

 13. Subsequent Periodic Cap (%)

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                              Pool by
                                             Aggregate       Aggregate       Weighted       Weighted       Weighted
                                 Number       Cut-off         Cut-off        Average        Average        Average        Weighted
                                   of          Date             Date          Gross        Remaining         Comb         Average
                                Mortgage     Principal       Principal       Interest         Term         Original         FICO
 Subsequent Periodic Cap (%)     Loans      Balance ($)       Balance        Rate (%)       (months)         LTV           Score
------------------------------------------------------------------------------------------------------------------------------------
 Fixed Rate Loans                  1,830    275,217,873          24.66          7.338            340          76.29            633
 1                                 2,251    382,929,431          34.31          7.451            357          79.33            603
 1.5                               2,098    447,471,782          40.10          7.188            357          81.80            618
 3                                    32     10,385,446           0.93          4.817            297          80.56            728
------------------------------------------------------------------------------------------------------------------------------------
 Total:                            6,211  1,116,004,532         100.00          7.293            352          79.58            617
------------------------------------------------------------------------------------------------------------------------------------
 Non-Zero Minimum: 1.000
 Maximum: 3.000
 Non-Zero Weighted Average: 1.291

 14. Next Rate Adjustment Dates

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                              Pool by
                                             Aggregate       Aggregate       Weighted       Weighted       Weighted
                                 Number       Cut-off         Cut-off        Average        Average        Average        Weighted
                                   of          Date            Date           Gross        Remaining         Comb         Average
                                Mortgage     Principal       Principal       Interest         Term         Original         FICO
 Next Rate Adjustment Dates      Loans      Balance ($)       Balance        Rate (%)       (months)          LTV          Score
------------------------------------------------------------------------------------------------------------------------------------
 Fixed Rate Loans                  1,830    275,217,873          24.66          7.338            340          76.29            633
 Dec-04                               32     10,385,446           0.93          4.817            297          80.56            728
 Apr-06                                2        483,107           0.04          6.914            353          88.97            678
 May-06                               10      2,408,933           0.22          6.494            354          81.15            611
 Jun-06                               56     10,773,052           0.97          6.750            355          79.23            626
 Jul-06                              482     90,031,110           8.07          7.504            356          80.10            607
 Aug-06                            2,237    463,142,235          41.50          7.249            357          80.56            610
 Sep-06                              727    121,624,142          10.90          7.403            358          79.87            603
 Apr-07                                1        133,211           0.01          5.875            353          80.00            693
 May-07                                8      1,581,419           0.14          7.910            354          86.61            611
 Jun-07                               85     13,200,394           1.18          7.127            355          84.86            620
 Jul-07                              289     47,810,495           4.28          7.595            356          83.09            617
 Aug-07                              367     64,373,363           5.77          7.282            357          81.68            623
 Sep-07                               28      3,989,482           0.36          7.561            358          80.64            609
 May-09                                1         46,550           0.00          7.780            354          85.00            635
 Jul-09                                1        159,200           0.01          6.530            356          80.00            681
 Aug-09                               20      4,090,815           0.37          6.917            357          76.76            632
 Sep-09                               35      6,553,706           0.59          6.973            358          76.19            626
------------------------------------------------------------------------------------------------------------------------------------
 Total:                            6,211  1,116,004,532         100.00          7.293            352          79.58            617
------------------------------------------------------------------------------------------------------------------------------------

 15. Geographic Distribution of Mortgaged Properties

------------------------------------------------------------------------------------------------------------------------------------
                                                               % of
                                                             Mortgage
                                                              Pool by
                                             Aggregate       Aggregate       Weighted       Weighted       Weighted
                                 Number       Cut-off         Cut-off         Average        Average        Average        Weighted
                                   of          Date            Date           Gross        Remaining         Comb          Average
 Geographic Distribution of     Mortgage     Principal       Principal       Interest         Term         Original          FICO
 Mortgaged Properties            Loans      Balance ($)       Balance        Rate (%)       (months)          LTV           Score
------------------------------------------------------------------------------------------------------------------------------------
 California                        1,558    413,763,619          37.08          6.920            353          78.31            626
 Florida                             997    147,588,370          13.22          7.423            354          81.01            610
 New York                            347     74,917,412           6.71          7.230            353          76.52            624
 Texas                               562     54,704,999           4.90          7.936            336          78.83            604
 New Jersey                          174     38,032,781           3.41          7.471            352          77.66            612
 Virginia                            153     30,306,000           2.72          7.626            350          80.85            617
 Maryland                            153     29,776,453           2.67          7.690            353          81.39            604
 Washington                          169     29,147,186           2.61          7.183            353          81.18            618
 Nevada                              131     26,783,109           2.40          7.329            356          81.59            616
 Massachusetts                       102     24,379,805           2.18          7.219            355          77.38            619
 Illinois                            123     20,699,429           1.85          7.746            353          82.72            603
 Arizona                             128     18,797,666           1.68          7.296            355          81.99            616
 Georgia                             123     18,288,955           1.64          7.576            352          81.87            614
 Ohio                                158     16,339,130           1.46          7.845            351          82.50            603
 Connecticut                          87     15,542,788           1.39          7.526            355          79.34            615
 Other                             1,246    156,936,831          14.06          7.631            352          81.63            610
------------------------------------------------------------------------------------------------------------------------------------
 Total:                            6,211  1,116,004,532         100.00          7.293            352          79.58            617
------------------------------------------------------------------------------------------------------------------------------------
 Number of States/District of
 Columbia Represented: 50

 16. Occupancy

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                              Pool by
                                             Aggregate       Aggregate       Weighted       Weighted       Weighted
                                 Number       Cut-off         Cut-off        Average        Average        Average        Weighted
                                   of          Date            Date           Gross        Remaining         Comb         Average
                                Mortgage     Principal       Principal       Interest         Term         Original         FICO
 Occupancy                       Loans      Balance ($)       Balance        Rate (%)       (months)          LTV          Score
------------------------------------------------------------------------------------------------------------------------------------
 Primary                           5,798  1,054,870,475          94.52          7.275            352          79.67            616
 Investment                          375     52,337,973           4.69          7.674            353          77.43            639
 Second Home                          38      8,796,084           0.79          7.246            353          81.29            639
------------------------------------------------------------------------------------------------------------------------------------
 Total:                            6,211  1,116,004,532         100.00          7.293            352          79.58            617
------------------------------------------------------------------------------------------------------------------------------------

 17. Property Type

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                              Pool by
                                             Aggregate       Aggregate       Weighted       Weighted       Weighted
                                 Number       Cut-off         Cut-off        Average        Average        Average        Weighted
                                   of          Date            Date           Gross        Remaining         Comb         Average
                                Mortgage     Principal       Principal       Interest         Term         Original         FICO
 Property Type                   Loans      Balance ($)       Balance        Rate (%)       (months)          LTV          Score
------------------------------------------------------------------------------------------------------------------------------------
 Single Family Residence           5,047    885,429,601          79.34          7.305            352          79.62            614
 Planned Unit Development            385     84,617,950           7.58          7.086            352          81.34            625
 2-4 Family                          385     79,918,615           7.16          7.402            354          76.60            636
 Condo                               394     66,038,366           5.92          7.271            354          80.43            628
------------------------------------------------------------------------------------------------------------------------------------
 Total:                            6,211  1,116,004,532         100.00          7.293            352          79.58            617
------------------------------------------------------------------------------------------------------------------------------------

 18. Loan Purpose

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                              Pool by
                                             Aggregate       Aggregate       Weighted       Weighted       Weighted
                                 Number       Cut-off         Cut-off        Average        Average        Average        Weighted
                                   of          Date            Date           Gross        Remaining         Comb         Average
                                Mortgage     Principal       Principal       Interest         Term         Original         FICO
 Loan Purpose                    Loans      Balance ($)       Balance        Rate (%)       (months)          LTV          Score
------------------------------------------------------------------------------------------------------------------------------------
 Refinance - Cashout               3,720    667,499,886          59.81          7.300            350          77.70            603
 Purchase                          2,133    397,944,658          35.66          7.261            356          82.71            643
 Refinance - Rate Term               358     50,559,988           4.53          7.456            348          79.80            605
------------------------------------------------------------------------------------------------------------------------------------
 Total:                            6,211  1,116,004,532         100.00          7.293            352          79.58            617
------------------------------------------------------------------------------------------------------------------------------------

 19. Documentation Level

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                              Pool by
                                             Aggregate       Aggregate       Weighted       Weighted       Weighted
                                 Number       Cut-off         Cut-off        Average        Average        Average        Weighted
                                   of          Date            Date           Gross        Remaining         Comb         Average
                                Mortgage     Principal       Principal       Interest         Term         Original         FICO
 Documentation Level             Loans      Balance ($)       Balance        Rate (%)       (months)          LTV          Score
------------------------------------------------------------------------------------------------------------------------------------
 Full                              3,635    604,632,130          54.18          7.190            351          80.15            603
 Stated Documentation              2,330    457,556,123          41.00          7.462            354          78.90            635
 Limited                             246     53,816,278           4.82          7.020            351          78.90            620
------------------------------------------------------------------------------------------------------------------------------------
 Total:                            6,211  1,116,004,532         100.00          7.293            352          79.58            617
------------------------------------------------------------------------------------------------------------------------------------

 20. Credit Score

------------------------------------------------------------------------------------------------------------------------------------
                                                                % of
                                                              Mortgage
                                                              Pool by
                                             Aggregate       Aggregate       Weighted       Weighted       Weighted
                                 Number       Cut-off         Cut-off        Average        Average        Average        Weighted
                                   of          Date            Date           Gross        Remaining         Comb         Average
                                Mortgage     Principal       Principal       Interest        Term          Original         FICO
 Credit Score                    Loans      Balance ($)       Balance        Rate (%)       (months)         LTV           Score
---------------