SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT



The following table sets forth the beneficial ownership of Common Stock of
the Company as of the Record Date, (i) each person known by the Company to
beneficially own more than 5% of the Company's Common Stock, (ii) each director,


(iii) the executive officers of the Company named in the Summary Compensation
Table below (the "Named Executive Officers"), and (iv) all directors and
executive officers as a group:






                                                                  SHARES OF CKS COMMON STOCK
                                                                    BENEFICIALLY OWNED(1)
                                                                ------------------------------
                     NAME OF BENEFICIAL OWNER                    NUMBER       PERCENT OF TOTAL
    ----------------------------------------------------------  ---------     ----------------
    The Interpublic Group of Companies, Inc.(2)...............  1,992,065          13.1%
      1271 Avenue of the Americas
      New York, NY 10020
    Mark D. Kvamme(3).........................................  1,599,836           10.5
      10441 Bandley Drive
      Cupertino, CA 95014
    Thomas K. Suiter(4).......................................  1,328,835            8.7
      10441 Bandley Drive
      Cupertino, CA 95014
    J. & W. Seligman & Co. Incorporated(5)....................  1,025,000            6.7
      100 Park Avenue
      New York, New York 10017
    Waddell & Reed, Inc.(6)...................................    867,700            5.7
      6300 Lamar
      Shawnee Mission, KS 66201
    The Capital Group Companies, Inc.(7)......................    785,500            5.2
      333 South Hope Street
      Los Angeles, CA 90071
    Carlton H. Baab(8)........................................     29,069              *
    Robert T. Clarkson........................................      3,543              *
    Richard Villante..........................................     13,402              *
    Alexandre Balkanski(9)....................................     17,916              *
    Pierre R. Lamond(10)......................................    323,685            2.1
    Barry R. Linsky(11).......................................      6,250              *
    Michael B. Slade(12)......................................      7,250              *
    All Executive Officers and Directors as a
      Group (12 persons)(13)..................................  3,365,193           21.9













*  Less than 1%.


(1) Except pursuant to applicable community property laws or as indicated in
the footnotes to this table, to the Company's knowledge, each stockholder
identified in the table possesses sole voting and investment power with
respect to all shares of Common Stock shown as beneficially owned by such
stockholder.


(2) Includes 259,470 shares held by Ammirati & Puris/Lintas, Inc. and 278,770
shares held by Lowe & Partners, both of which are wholly-owned subsidiaries
of IPG. Also includes 2,500 shares held by Mr. Barry R. Linsky, who is a
director of the Company and an officer of IPG, and options to purchase
3,750 shares exercisable within 60 days of the Record Date held by Mr.
Linsky.


(3) Includes 159,888 shares held by trusts for the benefit of Mr. Kvamme's
children and options to purchase 40,000 shares exercisable within 60 days
of the Record Date.


(4) Includes 200,000 shares held by trusts for the benefit of Mr. Suiter's
children and options to purchase 30,000 shares exercisable within 60 days
of the Record Date.


(5) Based on information provided by J. & W. Seligman & Co. Incorporated.
William C. Morris and Seligman Communications & Information Fund, Inc. also
beneficially own such shares.



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(6) Based on information provided by Waddell & Reed, Inc.


(7) Based on information provided by The Capital Group Companies, Inc. Capital
Research and Management Company also beneficially owns such shares.


(8) Includes options to purchase 28,334 shares exercisable within 60 days of
the Record Date.


(9) Consists of options to purchase 17,916 shares exercisable within 60 days of
the Record Date.


(10) Includes 310,935 shares held by the Pierre R. and Christine E. Lamond Trust
dated 11/22/85. Includes options to purchase 3,750 shares exercisable
within 60 days of the Record Date. Also includes 9,000 shares held by David
Lamond, Pierre R. Lamond's son, as to which Pierre R. Lamond disclaims
beneficial ownership.


(11) Does not include 1,985,815 shares held by IPG and its subsidiaries, of
which Mr. Linsky is a Senior Vice President. Includes options to purchase
3,750 shares exercisable within 60 days of the Record Date.


(12) Includes options to purchase 6,250 shares exercisable within 60 days of the
Record Date.


(13) Includes options to purchase 140,437 shares exercisable within 60 days of
the Record Date.


As of the Record Date, the per share market value of the Company's Common
Stock was $18.00, based on the closing price on that date on The Nasdaq National
Market.



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