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The following is an excerpt from a 20-F SEC Filing, filed by EXFO ELECTRO OPTICAL ENGINEERING INC on 1/14/2005.
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EXFO INC. - 20-F - 20050114 - RESULTS_OF_OPERATIONS

RESULTS OF OPERATIONS

The following table sets forth certain Canadian GAAP consolidated financial statements data in thousands of US dollars, except per share data, and as a percentage of sales for the years indicated:

CONSOLIDATED STATEMENTS OF EARNINGS
DATA:                                         2004          2003          2002        2004          2003         2002
-----------------------------------------------------------------------------------------------------------------------
Sales.............................       $  74,630     $  61,930     $  68,330        100.0%       100.0%       100.0%
Cost of sales (1).................          34,556        36,197        52,366         46.3         58.4         76.6
-----------------------------------------------------------------------------------------------------------------------
Gross margin .....................          40,074        25,733        15,964         53.7         41.6         23.4
-----------------------------------------------------------------------------------------------------------------------
Operating expenses
  Selling and administrative......          25,890        26,991        33,881         34.7         43.6         49.6
  Net research and development ...          12,390        15,879        12,782         16.6         25.6         18.7
  Amortization of property, plant
     and equipment (2)............           4,935         5,210         5,096          6.6          8.4          7.4
  Amortization of intangible
     assets (2)...................           5,080         5,676        12,451          6.8          9.2         18.3
  Impairment of long-lived assets
     and goodwill.................             620         7,427        23,657          0.8         12.0         34.6
  Restructuring and other charges.           1,729         4,134         2,880          2.3          6.7          4.2
-----------------------------------------------------------------------------------------------------------------------
Total operating expenses..........          50,644        65,317        90,747         67.8        105.5        132.8
-----------------------------------------------------------------------------------------------------------------------
Loss from operations..............         (10,570)      (39,584)      (74,783)       (14.1)       (63.9)      (109.4)
Interest and other income.........           1,438         1,245         1,456          1.9          2.0          2.1
Foreign exchange loss.............            (278)       (1,552)         (458)        (0.4)        (2.5)        (0.7)
-----------------------------------------------------------------------------------------------------------------------
Loss before income taxes and
  amortization and write-down of
  goodwill........................          (9,410)      (39,891)      (73,785)       (12.6)       (64.4)      (108.0)
Income taxes......................            (986)       15,059       (25,451)        (1.3)        24.3        (37.3)
-----------------------------------------------------------------------------------------------------------------------
Loss before amortization and
  write-down of goodwill..........          (8,424)      (54,950)      (48,334)       (11.3)       (88.7)       (70.7)
Amortization of goodwill..........              --            --        38,021           --           --         55.7
Write-down of goodwill............              --            --       222,169           --           --        325.1
-----------------------------------------------------------------------------------------------------------------------
Net loss for the year.............       $  (8,424)    $ (54,950)    $(308,524)       (11.3)%      (88.7)%     (451.5)%
=======================================================================================================================
Basic and diluted net loss per share     $   (0.13)    $   (0.87)    $   (5.09)

Segment information (3)
  Sales:
   Telecom Division                      $  58,882     $  48,753     $  54,452         78.9%        78.7%        79.7%
   Photonics and Life Sciences Division     15,748        13,177        13,878         21.1%        21.3%        20.3%
-----------------------------------------------------------------------------------------------------------------------
                                         $  74,630     $  61,930     $  68,330        100.0%       100.0%       100.0%
=======================================================================================================================
 Operating loss:
   Telecom Division                      $  (5,557)    $      --     $      --         (7.4)%         --%          --%
   Photonics and Life Sciences Division     (5,013)           --            --         (6.7)          --           --
-----------------------------------------------------------------------------------------------------------------------
                                         $ (10,570)    $      --     $      --        (14.1)%         --%          --%
=======================================================================================================================
Research and development data:
  Gross research and development..       $  15,668     $  17,133     $  17,005         21.0%        27.7%        24.9%
  Net research and development....       $  12,390     $  15,879     $  12,782         16.6%        25.6%        18.7%
OTHER  STATEMENTS OF EARNINGS DATA
(UNAUDITED):(4)
  Pro forma net loss..............       $  (1,952)    $ (10,879)    $ (10,702)        (2.6)%      (17.6)%      (15.7)%
  Basic and diluted pro forma net
     loss per share...............       $   (0.03)    $   (0.17)    $   (0.18)

CONSOLIDATED BALANCE SHEETS DATA:

Total assets                             $ 172,791     $ 146,254     $ 177,926
=======================================================================================================================

(1) Including inventory write-offs of nil, $4,121 and $18,463 for the years ended August 31, 2004, 2003 and 2002, respectively, and an unusual gain of $473 for the year ended August 31, 2003. Excluding inventory write-offs and the unusual gain, gross margin would have reached 47.4% for the year ended August 31, 2003. Excluding inventory write-offs, gross margin would have reached 50.4% for the year ended August 31, 2002. This latter information is unaudited and is a non-GAAP measure. The cost of sales is exclusive of amortization, shown separately.

(2) Certain comparative figures were reclassified to conform to the current-year presentation.

(3) Comparative information for the loss from operations is not available and is impracticable to determine.

(4) Net loss excluding stock-based compensation costs, amortization and write-down of goodwill, unusual tax recovery, future income tax assets valuation allowance and the after-tax effect of amortization of intangible assets, impairment of long-lived assets, restructuring and other charges, inventory and tax credit write-offs and unusual grants recovery. This information may not be comparable to similarly titled measures reported by other companies because it is non-GAAP information. Please refer to page 61 of this Annual Report for a detailed quantitative reconciliation.

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SALES

FISCAL 2004 VS. 2003

In fiscal 2004, our global sales increased 20.5% to $74.6 million from $61.9 million in 2003, with a 79%-21% split in favor of our Telecom Division.

TELECOM DIVISION
In fiscal 2004, sales of our Telecom Division increased 20.8% to $58.9 million from $48.8 million in 2003. In 2004, despite a relatively stable carrier spending environment, compared to the previous year, we continued to gain market share, which helped us increase our sales year-over-year. We believe these market-share gains are mainly attributable to our optical field-testing products, which represent our traditional core business, since sales of our protocol-layer test solutions represented just over 10% of our Telecom sales in fiscal 2004. In addition, we benefited from a slight recovery in the telecom system and optical manufacturing markets. Finally, revenues from FTTP test solutions were higher than expected, especially with a tier-one customer, which contributed to our sales increase.

The current protocol-layer test market proves to be highly competitive as it prepares for deployment of next-generation SONET/SDH and new IP-intensive architectures. We remain confident that the solid product portfolio we are building for this crucial end-market will lead to long-term growth for EXFO.

Over the last few months, we have also been offering new and enhanced extended-warranty programs, which have significantly increased extended-warranty sales. Revenues from these sales are deferred and recognized over the warranty period, causing our deferred revenue to increase year-over-year.

PHOTONICS AND LIFE SCIENCES DIVISION
In fiscal 2004, sales of our Photonics and Life Sciences Division increased 19.5% to $15.7 million from $13.2 million in 2003. The increase in sales is due to the greater demand for our high-tech industrial manufacturing solutions.

Overall, for the two divisions, net accepted orders increased 34.6% to $75.0 million in fiscal 2004 from $55.7 million in 2003. Our net book-to-bill ratio rose to 1.00 in fiscal 2004, from 0.90 in 2003.

For the upcoming quarters, we expect the sales split between the two divisions to remain in the same range as for fiscal 2004.

FISCAL 2003 VS. 2002

In fiscal 2003, our global sales decreased 9.4% to $61.9 million from $68.3 million in 2002, with a 79%-21% split in favor of our Telecom Division.

TELECOM DIVISION
In fiscal 2003, sales of our Telecom Division decreased 10.5% to $48.8 million from $54.5 million in 2002. Most of the decrease is attributable to the collapsed market for optical components and the resulting gray market. Also, increased pricing pressure by vendors and the continued slowdown in the global telecommunications industry affected our sales. However, despite depressed spending levels in the telecommunications industry, our sales of field-testing

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products increased 3%, compared to 2002, mainly because of heightened traction in the protocol-layer testing sector.

PHOTONICS AND LIFE SCIENCES DIVISION
In fiscal 2003, sales of our Photonics and Life Sciences Division decreased 5.1% to $13.2 million from $13.9 million in 2002. The markets addressed by this division were relatively stable, thus explaining the relative stability in this division's sales year-over-year.

GEOGRAPHIC DISTRIBUTION

During fiscal 2004 and 2003, sales to the Americas, Europe-Middle East-Africa (EMEA) and Asia-Pacific (APAC) accounted for 66%, 18% and 16% of global sales, respectively. During 2002, sales to the Americas, EMEA and APAC accounted for 61%, 20% and 19% of global sales, respectively.

The geographic distribution of our sales remained unchanged as a percentage of sales in fiscal 2004, compared to 2003, since all geographic areas had the same growth level.

In fiscal 2003, sales to the Americas stayed relatively stable in dollars compared to 2002, while sales to the EMEA and APAC markets decreased year-over-year. The EMEA market was the most affected by the downturn in the telecommunications industry, which caused our sales to this market to decrease year-over-year. In addition, most of our sales to the APAC market are made through tenders, which may vary in number and significance from period to period. Finally, the SARS outbreak also affected our sales to this market to some extent.

Through our two divisions, we sell our products to a broad range of customers, including network service providers, optical component and system manufacturers, as well as high-tech industrial manufacturers and research and development laboratories. During fiscal 2004, we had only one customer that accounted for more than 10% of sales, representing 13.8% of sales ($10.3 million). During that same year, our top three customers accounted for 20.8% of our sales. During 2003, no customer accounted for more than 10% of our sales. In fiscal 2002, we had one customer that accounted for more than 10% of sales, with 10.2% ($7.0 million).

GROSS MARGIN

Gross margin amounted to 53.7%, 41.6% and 23.4% of sales for fiscal 2004, 2003 and 2002, respectively.

FISCAL 2004 VS. 2003

In fiscal 2003, we recorded write-offs for excess and obsolete inventories of $4.1 million and an unusual gain of $473,000 related to a grant recovery. Excluding these special items, gross margin would have reached 47.4% of sales for that year.

The increase in our gross margin in fiscal 2004, compared to 2003, can be explained by several factors. First, the rise in sales (20.5% year-over-year) undoubtedly helped increase our gross margin. Increased manufacturing activities allowed us to better absorb our fixed manufacturing costs. In addition, our cost-reduction measures, the consolidation of manufacturing sites and our enhanced efficiency further contributed to the increase in gross margin. However, a stronger Canadian dollar, compared to the US dollar year-over-year, prevented us, to some extent, from

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further improving our gross margin as some cost of sales elements are denominated in Canadian dollars.

FISCAL 2003 VS. 2002

In fiscal 2002, we also recorded write-offs for excess and obsolete inventories of $18.5 million. Excluding these special charges, our gross margin would have reached 50.4% of sales. The decrease in our gross margin in fiscal 2003, compared to 2002, on an adjusted basis, is attributable to several factors. First, the market condition and competitive landscape inevitably led to increased pricing pressure. This, combined with a lower sales level in fiscal 2003, prevented a better absorption of our fixed manufacturing costs, which ultimately caused margin erosion. In addition, shift in product mix in favor of our field-testing products caused our gross margin to decrease, as these products tend to have lower margins than our modular and benchtop products. However, the decrease in our gross margin was offset in part by our increased efficiency and restructuring efforts in 2002 and 2003.

OUTLOOK FOR FISCAL 2005

Considering the current state of the telecommunications industry, our recent cost-cutting measures, our tight control on operating costs as well as our expected sales growth, we believe that our gross margin will improve in fiscal 2005. However, our gross margin may fluctuate quarter-over-quarter as our sales may fluctuate. Furthermore, our gross margin can be negatively affected by increased competitive pricing pressure, increased obsolescence costs, shifts in product mix, under-absorption of fixed manufacturing costs and increases in product offerings by other suppliers in our industry. Finally, the expected increased strength of the Canadian dollar should have, to some extent, a negative impact on our gross margin in 2005.

SELLING AND ADMINISTRATIVE

Selling and administrative expenses were $25.9 million, $27.0 million and $33.9 million for fiscal 2004, 2003 and 2002, respectively. As a percentage of sales, selling and administrative expenses amounted to 34.7%, 43.6% and 49.6% for fiscal 2004, 2003 and 2002, respectively.

FISCAL 2004 VS. 2003

In fiscal 2004, thanks to our restructuring actions and tight cost-control measures, we were able to reduce our selling and administrative expenses by 4% year-over-year, while our sales increased 20.5% in that same period. However, several factors prevented us from further reducing these expenses year-over-year. A higher sales volume in fiscal 2004, compared to 2003, caused our commission and marketing expenses to increase. In addition, since September 1, 2003, we account for non-cash stock-based compensation costs related to awards granted to our employees, which caused our selling and administrative expenses to increase $265,000 year-over-year. Furthermore, in fiscal 2003, we recorded an unusual gain of $239,000 related to a grant recovery. Finally, a stronger Canadian dollar, compared to the US dollar year-over-year, further increased our selling and administrative expenses, as some of these are incurred in Canadian dollars.

FISCAL 2003 VS. 2002

In fiscal 2003, as a result of our restructuring plans implemented in 2002 and 2003, we were able to significantly reduce our selling and administrative expenses year-over-year (20%). Also,

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the decrease in sales in fiscal 2003 resulted in lower commission and marketing expenses during that year. Finally, in 2003, as mentioned above, we recorded an unusual gain of $239,000 related to a grant recovery. However, this significant decrease in our selling and administrative expenses was offset in part by the impact of the acquisitions of EXFO Protocol and EXFO Gnubi in November 2001 and October 2002, respectively. Also, the increased strength of the Canadian dollar, compared to the US dollar, in fiscal 2003, prevented us from further reducing our selling and administrative expenses, as some of these are incurred in Canadian dollars.

OUTLOOK FOR FISCAL 2005

For fiscal 2005, we expect our selling and administrative expenses to increase in dollars and be relatively stable as a percentage of sales. In particular, we expect our commission expenses to increase as sales volume increases. Also, considering our goal of becoming the leading player in the telecom test and measurement space, we will intensify our sales and marketing efforts, both domestic and international, which will also cause our expenses to rise. Finally, the expected increased strength of the Canadian dollar should also cause our selling and administrative expenses to increase, as some of these are incurred in Canadian dollars.

RESEARCH AND DEVELOPMENT

Gross research and development expenses totaled $15.7 million, $17.1 million, $17.0 million for fiscal 2004, 2003 and 2002, respectively. As a percentage of sales, gross research and development expenses amounted to 21.0%, 27.7% and 24.9% for fiscal 2004, 2003 and 2002, respectively.

FISCAL 2004 VS. 2003

The decrease in our gross research and development expenses in fiscal 2004, compared to 2003, both in dollars and as percentage of sales can be explained by several factors. First, our restructuring actions, the consolidation of our protocol operations in Montreal, as well as tight cost-control measures, contributed to the reduction of our gross research and development expenses year-over-year. In addition, we refocused our research and development activities in our Photonics and Life Sciences Division. Finally, mix and timing of our research and development projects, especially in our Telecom Division, caused our gross research and development expenses to decrease year-over-year. On the other hand, a stronger Canadian dollar, compared to the US dollar year-over-year, increased our gross research and development expenses, as most of these are incurred in Canadian dollars.

Although we reduced our gross research and development expenses year-over-year, we still invested significantly in R&D activities in fiscal 2004, mainly in our Telecom Division for IP-based convergence and FTTP deployments. We firmly believe that innovation and new product introductions are the key to gaining market share in the current economic environment and to ensuring the long-term growth and profitability of the company. As mentioned above, in fiscal 2004, we launched 20 new products, including several aimed at establishing leadership in the emerging FTTP market and others dedicated to expanding our life sciences product portfolio.

FISCAL 2003 VS. 2002

In fiscal 2003, our dollar-amount gross research and development expenses remained flat compared to 2002. The savings related to our restructuring actions were fully offset by the

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impact of the acquisitions of EXFO Protocol and EXFO Gnubi, which carried out a significant level of research and development activities, and by the strength of the Canadian dollar, compared to the US dollar, since a large portion of our R&D expenses are incurred in Canadian dollars. The percentage increase in fiscal 2003, compared to 2002, can be explained by the fact that despite challenging market conditions, we continued investing heavily in research and development, especially in the protocol-layer sector. In fact, in 2003, we launched 15 new products, most of which were telecom-related solutions.

Tax credits and grants from the Canadian federal and provincial governments for research and development activities were $3.3 million, $3.6 million and $4.2 million for fiscal 2004, 2003 and 2002, respectively. The decrease in our tax credits and government grants in fiscal 2004, compared to 2003, is mainly related to the decrease in our eligible gross research and development expenses incurred in Canada, since we were entitled to similar tax credits year-over-year. The decrease in tax credits and grants in fiscal 2003, compared to 2002, is due to several reasons. First, our government grant programs came to an end. Second, the acquisition of U.S.-based EXFO Gnubi, early in 2003, led to a larger portion of our R&D activities being conducted in the U.S., where such activities are not eligible for tax credits. Finally, we did not record Canadian federal tax credits for EXFO Protocol in the fourth quarter of 2003 because it was more likely than not that those credits would be recovered in the medium term.

Also, in fiscal 2003, we wrote off $2.3 million of Canadian federal tax credits because it was more likely than not that these credits would not be recoverable. These tax credits can be carried forward against future years' taxable income over the next nine years.

OUTLOOK FOR FISCAL 2005

During fiscal 2005, we expect to continue investing significantly in research and development activities, reflecting our focus on innovation, our desire to gain market share and our goal to exceed customer needs and expectations.

AMORTIZATION OF INTANGIBLE ASSETS

In conjunction with the business combinations we completed over the past few years, we recorded intangible assets, primarily consisting of core technology. These intangible assets resulted in amortization expenses of $5.1 million, $5.7 million and $12.5 million for fiscal 2004, 2003 and 2002, respectively. The decrease in amortization expenses in fiscal 2004, compared to 2003, is the result of the $2.9 million impairment charge recorded in the third quarter of fiscal 2003. The decrease in amortization expenses in fiscal 2003, compared to 2002, is the result of the impairment charge recorded in 2003, as discussed above, and the significant impairment charge of $23.7 million recorded in 2002. Also, acquired in-process R&D was fully amortized at the end of 2002, which reduced amortization expenses in 2003.

OUTLOOK FOR FISCAL 2005

For fiscal 2005, we expect the amortization of intangible assets to approximate $1.1 million per quarter, assuming no acquisitions are made during that time.

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IMPAIRMENT OF LONG-LIVED ASSETS AND GOODWILL

FISCAL 2002

In May 2002, as part of our review of financial results, we performed an assessment of the carrying value of goodwill and intangible assets recorded in conjunction with the acquisitions of EXFO Burleigh Products Group Inc. (EXFO Burleigh), EXFO Photonic Solutions Inc. (EXFO Photonic Solutions) and EXFO Protocol Inc. (EXFO Protocol). The assessment was performed because of the severe and continued downturn in the telecommunications industry, the persisting unfavorable market conditions affecting our subsidiaries' industries and the decline in technology valuations. The growth prospects for our subsidiaries were significantly lower than previously expected and less than those of historical periods. In addition, the decline in market conditions affecting the subsidiaries was significant and other than temporary. As a result, we concluded that the carrying value of goodwill and certain acquired intangible assets was impaired and we recorded a charge of $222.2 million to write down a significant portion of goodwill and a pre-tax charge of $23.7 million to write down a significant portion of acquired core technology. Of the total impairment charge of $245.8 million, $125.0 million was related to EXFO Burleigh for goodwill and acquired core technology, $71.5 million was related to EXFO Photonic Solutions for goodwill and acquired core technology and $49.3 million was related to EXFO Protocol for goodwill.

The impairment charge was calculated based upon the then-existing accounting rules and represented the excess of the carrying value of the assets over the pre-tax undiscounted future cash flows. The pre-tax undiscounted future cash flows were estimated at the subsidiaries' level, since we had distinct cash flows for each of them and because they were not fully integrated into our activities. The cash flow periods used ranged from three to five years and the annual growth rates ranged between 15% and 30%.

FISCAL 2003

In May 2003, we performed our annual impairment test of goodwill for all our reporting units, except for newly acquired EXFO Gnubi. Also, considering market conditions in the telecommunications industry and the persisting unfavorable conditions affecting our subsidiaries' industries, we reviewed the carrying value of intangible assets related to these reporting units, consisting primarily of acquired core technology.

As a result of this assessment, we concluded that the carrying value of goodwill related to EXFO Burleigh and the carrying value of intangible assets related to EXFO Burleigh and EXFO Photonic Solutions were impaired and we recorded an impairment charge of $4.5 million to write down goodwill and a pre-tax impairment charge of $2.9 million to write down acquired core technology. Of the total impairment charge of $7.4 million, $6.9 million was related to EXFO Burleigh for goodwill and acquired core technology and $555,000 was related to EXFO Photonic Solutions for acquired core technology.

The write-down of goodwill and acquired core technology of EXFO Burleigh was required, considering that we exited the optical component manufacturing automation business, whose revenue potential represented a long-term prospect. The write-down of acquired core technology from EXFO Photonic Solutions was required because revenue potential related to this long-lived asset was less than expected in the short and medium term due to the state of the market at the time.

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However, no impairment of goodwill and intangible assets was required for EXFO Protocol since we believed that revenue potential from the protocol-layer testing market would remain strong in the short and medium term.

For the purposes of estimating fair values, we used a combination of discounted future cash flows and a market approach (sales multiples). The discounted future cash flows were estimated using periods ranging between eight and ten years, discount rates ranging between 15% and 20%, and an annual growth rate ranging between nil and 35%. The sales multiples used in the market approach ranged between 0.7 and 2.3. The assumptions used reflected our best estimates.

FISCAL 2004

In May 2004, we performed our annual impairment test and concluded that goodwill was not impaired. Goodwill will be reviewed for impairment in May 2005, or prior to that date if events or circumstances occur that more likely than not reduce the fair value of a reporting unit below its carrying value.

Also, at the end of fiscal 2004, we reviewed the carrying value of one of our buildings that was put up for sale and we concluded that the building was impaired. We recorded an impairment charge of $620,000, representing the excess of the carrying value of the building over its expected selling price. The building did not meet the criteria of CICA handbook section 3475, `'Disposal of Long-Lived Assets and Discontinued Operations", because it was not available for sale in its existing condition. Consequently, it was not shown as a long-lived asset held for sale in the balance sheet as at August 31, 2004. The decision to sell this building was made in order to consolidate our Quebec City manufacturing operations in a single location, which will allow us to increase efficiency and reduce costs. This building reports to our Telecom Division.

After the end of fiscal 2004, we received a formal offer to buy this building; the offer is conditional upon the usual building inspections. The sale price proposed in the offer represents the fair value used by management to determine the decrease in the value of the building as at August 31, 2004.

RESTRUCTURING AND OTHER CHARGES

FISCAL 2002

In fiscal 2002, we implemented restructuring plans to reduce our costs. Under these plans, we recorded charges of $2.9 million, including $2.0 million in severance expenses for the 350 employees who were terminated throughout the company and $868,000 for impaired long-lived assets.

FISCAL 2003

In fiscal 2003, we implemented an additional restructuring plan to realign our cost structure to market conditions. Under that plan, we recorded additional charges of $4.1 million, including $2.8 million in severance expenses for the 172 employees who were terminated throughout the company, $512,000 for impaired long-lived assets and $855,000 for future payments on exited leased facilities located around the world. Our estimation of the fair value of such future payments took into account the estimated sublease rentals over the remaining terms of the exited leases.

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FISCAL 2004

In fiscal 2004, the Board of Directors approved a restructuring plan to consolidate EXFO Burleigh's operations, transferring them mainly to EXFO Photonic Solutions facilities in Toronto. The consolidation process started in August 2004 and should extend through the first two quarters of fiscal 2005. We estimate that the overall costs to be incurred under this plan should amount to $2.7 million during the implementation period. From this amount, $772,000, representing severance expenses, was recorded in fiscal 2004 for the layoff of all employees of EXFO Burleigh. In addition, we recorded an impairment charge of $1.3 million, mainly for the building. We expect to incur most of the remaining $667,000 during the first two quarters of fiscal 2005 for different types of consolidation expenses such as training, recruiting and other special termination benefits.

The EXFO Burleigh building is for sale in its present condition and we expect to sell the property within the next twelve months. Consequently, as per CICA handbook section 3475, `'Disposal of Long-Lived Assets and Discontinued Operations", the building was shown in the balance sheet as a long-lived asset held for sale. The fair value used to determine the impairment charge for the building represents our best estimate of its selling price based upon the municipal valuation. Since September 1, 2004, this building is no longer amortized.

Expenses incurred in relation with our restructuring plans have been recorded in the restructuring and other charges in the statements of earnings of the reporting years.

Our cost-reduction measures represented our best efforts to respond to the difficult market conditions of the past years and we expect that they will lead us to profitability on a pro-forma basis in fiscal 2005. However, these efforts may be inappropriate or insufficient. Our actions in this regard may not be successful in achieving the cost reductions or other benefits expected, may be insufficient to align our cost structure to market conditions, or may be more costly or extensive than anticipated.

INTEREST AND OTHER INCOME

Our interest income mainly resulted from our short-term investments, less interests and bank charges. Interest and other income amounted to $1.4 million, $1.2 million and $1.5 million for fiscal 2004, 2003 and 2002, respectively. In fiscal 2004, we recorded a one-time revenue of $265,000 for the sale of non-core technologies. Without this one-time revenue, interest and other income would have been relatively flat year-over-year.

We expect our interest income to slightly increase in fiscal 2005 as our cash position increased during 2004 following our public offering in February 2004.

FOREIGN EXCHANGE LOSS

Foreign exchange loss amounted to $278,000, $1.6 million and $458,000 for fiscal 2004, 2003 and 2002, respectively.

Foreign exchange gains and losses are the result of the translation of operating activities denominated in currencies other than the Canadian dollar. In fiscal 2004, the Canadian dollar fluctuated less than in the previous year, resulting in a smaller foreign exchange loss during that year compared to 2003. In fiscal 2003, the Canadian dollar value increased significantly through the year compared to the US dollar, resulting in a significant exchange loss during that year.

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We manage our exposure to currency risk with forward exchange contracts. In addition, some of our Canadian entities' operating activities are denominated in currencies other than the Canadian dollar, which further hedges this risk.

INCOME TAXES

Our income tax recovery was $986,000 for fiscal 2004, compared to an income tax expense of $15.1 million in 2003 and an income tax recovery of $25.5 million in 2002.

The income tax recovery recorded in fiscal 2004 is mainly due to the $1.4 million unusual income tax recovery recorded during that year, offset in part by income taxes payable in some specific tax jurisdictions. The unusual tax recovery was due to the receipt, during that period, of income taxes paid in previous periods following the reception of a tax assessment.

Since the third quarter of fiscal 2003, we have been recording a full valuation allowance against our future income tax assets. In fiscal 2003, considering market conditions as well as the fact that we recorded losses for fiscal 2002 and 2003, we concluded that it was more likely than not that these assets would not be recovered and that a full valuation allowance was required. Even though the carrying periods of our future income tax assets were very long or indefinite, we recorded a full valuation allowance against our future income tax assets, mainly related to the parent company, EXFO Protocol and EXFO Burleigh. Future income tax assets written off consisted mainly in deferred tax losses, research and development expenses, share issue expenses as well as non-deductible provisions and accruals. In fiscal 2004, we also recorded a full valuation allowance on new future income tax assets created during the year. Please refer to note 15 to our consolidated financial statements included elsewhere in this Annual Report for details about our future income tax assets and valuation allowance.

The valuation allowance will be reversed once management will have concluded that realization of future income tax assets is more likely than not. Consequently, our future periods' income tax rates will be distorted compared to statutory rates.

AMORTIZATION OF GOODWILL

In conjunction with the business combinations completed over the past few years, we have recorded goodwill. The goodwill related to the acquisitions of EXFO Burleigh and EXFO Photonic Solutions was amortized over five years until August 31, 2002. This resulted in amortization expenses of $38.0 million in fiscal 2002. The acquisitions of EXFO Protocol and EXFO Gnubi have been accounted for using new accounting standards contained in CICA handbook sections 1581, `'Business Combinations" and 3062, `'Goodwill and Other Intangible Assets" and, consequently, goodwill resulting from these acquisitions was not amortized.

Since September 1, 2002, goodwill related to the acquisitions of EXFO Burleigh and EXFO Photonic Solutions is no longer amortized under new accounting standards. Consequently, we no longer have amortization expenses for goodwill.

NET LOSS AND PRO FORMA NET LOSS

Net loss amounted to $8.4 million, $55.0 million and $308.5 million in fiscal 2004, 2003 and 2002, respectively. In terms of per share amounts, we recorded a net loss of $0.13, $0.87 and $5.09 in fiscal 2004, 2003 and 2002, respectively.

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Also, as a measure to assess financial performance, we use pro forma net loss and pro forma net loss per share. Pro forma net loss represents net loss excluding stock-based compensation costs, amortization and write-down of goodwill, unusual tax recovery, future income tax assets valuation allowance and the after-tax effect of amortization of intangible assets, impairment of long-lived assets, restructuring and other charges, inventory and tax credits write-offs and unusual grants recovery.

Pro forma net loss amounted to $2.0 million, $10.9 million and $10.7 million in fiscal 2004, 2003 and 2002, respectively. In terms of pro forma per share amounts, we recorded a net loss of $0.03, $0.17 and $0.18 in fiscal 2004, 2003 and 2002, respectively.

Pro forma net loss is reconciled to net loss as follows:

Years ended August 31,                                              2004                 2003                2002
------------------------------------------------------------------------------------------------------------------
                                                              (UNAUDITED)          (unaudited)         (unaudited)
Net loss according to GAAP                                 $      (8,424)       $     (54,950)      $    (308,524)
Pro forma adjustments:
Stock-based compensation costs                                       449                   --                  --
Amortization and write-down of goodwill                               --                4,505             260,190
Amortization of intangible assets                                  5,080                5,676              12,451
Tax effect on amortization of intangible assets                       --               (2,031)             (4,296)
Impairment of long-lived assets                                      620                2,922              23,657
Tax effect on impairment of long-lived assets                         --               (1,046)             (8,161)
Restructuring  and other charges and inventory and tax
     credit write-offs                                             1,729               10,549              21,343
Tax effect on restructuring and other charges and
     inventory and tax credit write-offs                              --               (3,777)             (7,362)
Unusual tax and grants recovery                                   (1,406)              (1,357)                 --
Tax effect on unusual grants recovery                                 --                  245                  --
Future income tax assets valuation allowance                          --               28,385                  --
------------------------------------------------------------------------------------------------------------------
Pro forma net loss                                         $      (1,952)       $     (10,879)      $     (10,702)
==================================================================================================================

Basic and diluted net loss per share                       $       (0.13)       $       (0.87)      $       (5.09)
Basic and diluted pro forma net loss per share             $       (0.03)       $       (0.17)      $       (0.18)

We disclose pro forma financial data in order to provide supplemental information regarding our results of operations and to enhance our investors' overall understanding of our core financial performance and our prospects for the future. We believe that our investors benefit from seeing our results through the eyes of management in addition to seeing the GAAP information. This non-GAAP information facilitates management's comparison of current results with the company's historical results of operations and with those of our peers. This information is not in accordance with, or an alternative to, GAAP and should be considered in addition to, but not as a substitute for, other measures of financial performance reported in accordance with GAAP, such as net loss. In addition, not all companies calculate pro forma net loss in the same manner. As a result, our pro forma net loss may not be comparable to similarly titled measures presented by other companies.

62

LIQUIDITY AND CAPITAL RESOURCES

We finance our operations and meet our capital expenditure requirements mainly through cash flows from operating activities, the use of our cash and short-term investments as well as the issuance of subordinate voting shares.

In fiscal 2004, pursuant to a public offering in Canada, we issued 5.2 million subordinate voting shares for net proceeds of $29.2 million (Cdn$38.4 million) after deducting underwriting commissions of $1.2 million (Cdn$1.6 million). These net proceeds will be used for working capital and other general corporate purposes, including potential acquisitions, although we currently have no commitments or agreements regarding any acquisitions. Cash flows provided by financing activities in fiscal 2004 are attributable to the net proceeds of this offering.

One of the four main objectives of our strategic plan for fiscal 2004 was to maintain a sound financial position. We believe that such an objective is in line with a strong cash position and working capital. As at August 31, 2004, cash and short-term investments consisted of $89.1 million, while our working capital was at $115.1 million. Our cash and short-term investments increased $31.8 million in fiscal 2004, compared to 2003, mainly due to the net proceeds of the public offering of $29.2 million, the cash flows from operating activities of $751,000 as well as an unrealized foreign exchange gain of $2.9 million on cash and short-term investments. However, this increase was partially offset by the cash payment of $1.1 million for the purchase of property, plant and equipment as well as intangible assets. The unrealized foreign exchange gain resulted from the translation, in US dollars, of our Canadian-dollar-denominated cash and short-term investments and was recorded in the cumulative translation adjustment in the balance sheet.

We believe that our cash balances and short-term investments, combined with an available line of credit of $4.8 million, will be sufficient to meet our liquidity and capital requirements for the foreseeable future. However, possible additional operating losses and/or possible investment in or acquisition of complementary businesses, products or technologies may require additional financing. There can be no assurance that additional debt or equity financing will be available when required or, if available, that it can be secured on satisfactory terms. Our line of credit bears interest at prime rate.

The following table summarizes our commitments as at August 31, 2004:

YEARS ENDING                                                              2009 AND
AUGUST 31,                2005         2006         2007         2008        LATER        TOTAL
-----------------------------------------------------------------------------------------------
Long-term debt      $  121,000   $  135,000   $  146,000   $   51,000   $       --   $  453,000

Operating leases       938,000      875,000      780,000      484,000    1,305,000    4,382,000

Total commitments   $1,059,000   $1,010,000   $  926,000   $  535,000   $1,305,000   $4,835,000
===============================================================================================

OPERATING ACTIVITIES
Cash flows provided by operating activities amounted to $751,000 in fiscal 2004, compared to $5.6 million in 2003 and cash flows used of $8.7 million in 2002.

Cash flows provided by operating activities in fiscal 2004 were mainly attributable to the net earnings after items not affecting cash of $5.7 million, offset in part by the net increase of our operating items of $4.9 million; that is, our accounts receivable increased by $2.7 million, our income taxes and tax credits recoverable increased by $2.5 million and our inventories

63

decreased by $1.0 million. The increase in our accounts receivable is directly related to the significant sales growth in fiscal 2004 (20.5%). The increase in our income taxes and tax credits recoverable is mainly due to the payment during the year of income taxes and to the recognition, during the year, of R&D tax credits not yet recovered. On the other hand, our increased sales level combined with tight inventory management enabled us to reduced our inventories overall.

Cash flows provided by operating activities in fiscal 2003 were mainly the result of a decrease in some of our operating items; that is, our accounts receivable decreased by $4.0 million, our income taxes and tax credits recoverable decreased by $13.5 million and our inventories decreased by $7.9 million (excluding write-offs). These positive effects on cash were offset in part by the net loss after items not affecting cash of $18.9 million. The decrease in our accounts receivable is directly related to the reduction in our sales during that year. The decrease in our income taxes and tax credits recoverable is related to the recovery, during the year, of income taxes and research and development tax credits recoverable from previous periods. Finally, the decrease in our inventories is due to our efforts to maintain them at the lowest acceptable level considering the decrease in sales.

With positive cash flows from operating activities for three quarters in a row and for fiscal 2004, we met one of our four annual strategic objectives, which consisted in maintaining a sound financial position.

INVESTING ACTIVITIES

Cash flows used by investing activities totaled $29.7 million in fiscal 2004, compared to $9.9 million in 2003 and cash flows provided of $10.5 million in 2002.

In fiscal 2004, we acquired $28.6 million worth of short-term investments with the net proceeds of the public offering. In addition, we paid $1.1 million for the purchase of property, plant and equipment and intangible assets.

In fiscal 2003, we acquired $5.4 million worth of short-term investments with the proceeds from the recovery of income taxes and tax credits. We also made cash payments of $1.9 million and $2.6 million for the acquisition of EXFO Gnubi and the purchases of property, plant and equipment, respectively.

FORWARD EXCHANGE CONTRACTS

We utilize forward exchange contracts to manage our foreign currency exposure. Our policy is not to utilize those derivative financial instruments for trading or speculative purposes.

Our forward exchange contracts, which are used to hedge anticipated US-dollar-denominated sales, qualify for hedge accounting; therefore, foreign exchange translation gains and losses on these contracts are recognized as an adjustment of the revenues when the corresponding sales are recorded.

As at August 31, 2004, we held contracts to sell US dollars at various forward rates, which are summarized as follows:

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                                                              WEIGHTED AVERAGE
                                            CONTRACTUAL    CONTRACTUAL FORWARD
EXPIRY DATES:                                   AMOUNTS                  RATES
                                     ------------------    -------------------

September 2004 to August 2005        $            7,480                 1.5427

September 2005 to March 2007                      8,400                 1.3622

As at August 31, 2003 and 2004, these forward exchange contracts generated deferred unrealized gains of US$1.8 million and US$1.5 million, respectively. Deferred unrealized gains were calculated using year-end exchange rates of Cdn$1.3851 = US$1.00 for fiscal 2003 and Cdn$1.3167 = US$1.00 for fiscal 2004.

RELATED-PARTY TRANSACTIONS

In fiscal 2003, we acquired a building from a company owned by our President for a cash consideration of $930,000. This transaction was measured at the fair market value since it was not conducted during the normal course of operations, the change in ownership interest in the building was substantive and the fair market value was supported by independent appraisal.

In addition, for the years ended August 31, 2002, 2003 and 2004, we leased facilities from a company owned by our President. The annual rental expense amounted to $234,000, $331,000 and nil, respectively. The rental expense for fiscal 2003 included $234,000 for future payments on an exited leased facility. As at August 31, 2004, restructuring charges payable included $194,000 due to the company owned by our President in connection with this exited leased facility. In September 2004, we were released from our obligations under that lease, and we paid the full amount due to the related company. These rental expenses were measured at the fair market value since they were incurred during the normal course of operations.

CONTINGENCY

As discussed in note 12 to our consolidated financial statements, in November 2001, we were named as a defendant in a U.S. securities class action related to our initial public offering (IPO) in June 2000. The complaints allege that the prospectus and the registration statement for the IPO failed to disclose that the underwriters allegedly received excessive commissions and that the underwriters and some investors collaborated in order to inflate the price of our stock in the aftermarket.

In June 2003, a committee of our Board of Directors conditionally approved a proposed settlement between the issuer defendants, the individual defendants, and the plaintiffs. On June 25, 2004, the Plaintiffs moved for Preliminary Approval of the settlement, and the Underwriter defendants have opposed that motion. If approved, the settlement would provide, among other things, a release of us and of the individual defendants for the conduct alleged in the action to be wrongful in the amended complaint. We would agree to undertake other responsibilities under the settlement, including agreeing to assign away, not assert, or release certain potential claims we may have against its underwriters. Any direct financial impact of the proposed settlement is expected to be borne by our insurance carriers.

Since the settlement process is subject to a fairness hearing and final court approval, it is possible that it could fail. Therefore, it is not possible to predict the final outcome of the case,

65

nor determine the amount of any possible losses. If the settlement process fails, we will continue to defend our position in this litigation that the claims against us, and our officers, are without merit. Accordingly, no provision for this case has been made in the consolidated financial statements as at August 31, 2004.

SHARE CAPITAL AND STOCK-BASED COMPENSATION PLANS

SHARE CAPITAL
As at November 3, 2004, we had 37,900,000 multiple voting shares outstanding, entitled to ten votes each, and 30,581,696 subordinate voting shares outstanding.

The multiple voting shares and the subordinate voting shares are unlimited as to number and without par value.

STOCK OPTION PLAN
The aggregate number of subordinate voting shares covered by options granted under the stock option plan was 2,934,518 as at August 31, 2004. The weighted average exercise price of those stock options was $13.89 compared to the market price of $4.36 per share as at August 31, 2004. The maximum number of subordinate voting shares issuable under the plan cannot exceed 6,306,153 shares. The following table summarizes information about stock options granted to the members of the Board of Directors and to Management and Corporate Officers of the company and its subsidiaries as at August 31, 2004:

                                                                        WEIGHTED
                                                         % OF ISSUED    AVERAGE
                                                             AND        EXERCISE
                                               NUMBER    OUTSTANDING      PRICE
                                             --------    ------------   --------

Chairman of the Board, President and CEO
(one individual)                              150,482        5.1%       $  9.91
Board of Directors (five individuals)         194,375        6.6           6.23
Management and Corporate Officers
(seven individuals)                           315,300       10.7          15.03
                                             ----------  ------------   --------

                                              660,157       22.5%       $ 11.27
                                             ==========  ============   ========

RESTRICTED STOCK AWARD PLAN
In addition to the stock option plan, we maintain a restricted stock award plan for some U.S.-based employees. The aggregate number of subordinate voting shares covered by restricted stock awards was 53,592 as at August 31, 2004. Each restricted stock award entitles employees to receive one subordinate voting share at a purchase price of nil.

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ITEM 6. DIRECTORS, SENIOR MANAGEMENT AND EMPLOYEES

A. DIRECTORS AND SENIOR MANAGEMENT

The following table sets forth information about our executive officers, senior managers and directors as of December 31, 2004.

NAME AND MUNICIPALITY OF RESIDENCE                          POSITIONS WITH EXFO
----------------------------------     ----------------------------------------------------------
STEPHEN BULL                           Vice-President, Research and Development, Telecom Division
Ile-des-Soeurs, Quebec

NORMAND DUROCHER                       Vice-President Human Resources
St-Sauveur, Quebec

ALLAN FIRHOJ                           Vice-President and General Manager, Photonics and Life
Mississauga, Ontario                   Sciences Division

BENOIT FLEURY                          Vice-President, Protocol Product Management
Saint-Lazare, Quebec

ETIENNE GAGNON                         Vice-President, Physical Layer Product Management and
Sillery, Quebec                        Customer Service

LUC GAGNON                             Vice-President, Telecom Manufacturing Operations
St-Augustin de Desmaures, Quebec

JUAN-FELIPE GONZALEZ                   Vice-President, Global Telecom Sales
Montreal, Quebec

GERMAIN LAMONDE                        Chairman of the Board, President and Chief Executive
Cap-Rouge, Quebec                      Officer

PIERRE MARCOUILLER                     Director
Magog, Quebec

GUY MARIER                             Director
Lakefield Gore, Quebec

PIERRE PLAMONDON, CA                   Vice-President, Finance and Chief Financial Officer
Quebec City, Quebec

BENOIT RINGUETTE                       Corporate Secretary and Legal Counsel
Quebec City, Quebec

DAVID A. THOMPSON                      Director
Newton, North Carolina

ANDRE TREMBLAY                         Director
Outremont, Quebec

MICHAEL UNGER                          Lead Director
Woodbridge, Ontario

The address of each of our executive officers, senior managers and directors is c/o EXFO Electro-Optical Engineering Inc., 400 Godin Avenue, Vanier, Quebec, Canada. The following is a brief biography of each of our executive officers, senior managers and directors.

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STEPHEN BULL was appointed our Vice-President, Research and Development in December 1999. He joined us in July 1995 and held the positions of Assistant Director-Engineering from September 1997 to December 1999 and Group Leader (Engineering Management) from July 1995 to September 1997. From June 1990 to March 1995, Mr. Bull held the position of General Manager and Managing Director for Space Research Corporation, a military engineering company in Belgium. Mr. Bull holds a bachelor's degree in Electrical Engineering from Laval University in Quebec City, Canada.

NORMAND DUROCHER was appointed Vice-President of Human Resources in April 2004. In addition to managing the company's human resources team, his main responsibility is to develop and implement a human resources plan that supports EXFO's business strategy. Mr. Durocher began his career in labor relations in the Cable division of Nortel and then took on several key roles at Nortel Networks and Nordx/CDT, all relating to human resources and operations. Since then, Normand Durocher has accumulated more than 25 years' experience in operations and human resources management within the telecommunications industry. Prior to joining EXFO, Mr. Durocher ran his own human resources consulting business. Normand Durocher holds a Bachelor of Science from the Universite de Montreal and also completed the Advanced Human Resources program at Dalhousie University in Halifax, Nova Scotia, Canada

ALLAN FIRHOJ was appointed Vice-President and General Manager, Photonics and Life Sciences Division in July 2003. Prior to that, he held the position of General Manager of EXFO Photonic since November 2001. He is responsible for the overall strategic direction and management of the Photonics and Life Sciences Division. When Mr. Firhoj joined EFOS in 1996, he was responsible for Sales, Marketing and Business Development of the Dental Curing-Products Division. Following the sale of this division to Dentsply International in 1997, he was appointed Director of Marketing and Business Development. Mr. Firhoj continued in this capacity until being appointed to the position of General Manager of EXFO Photonic. Prior to joining the company, Mr. Firhoj spent six years with The Horn Group, a plastics business involved in medical devices/instrumentation and office communication equipment. He successively held the positions of ISO 9000 Implementation Manager, Technical Sales Manager as well as Marketing and Business Development Manager. In this latter role, he successfully contributed to increasing sales in their medical market by an annual average of 60% during a three-year period. Mr. Firhoj holds a bachelor's degree in Political Science from Bishop's University in Lennoxville, Quebec.

BENOIT FLEURY was appointed Vice-President, Product Management and Business Development for our protocol-layer product line in February 2004. His main responsibility consists in defining the product line strategy and developing strategic partnerships to enhance our presence in this market segment. Mr. Fleury has 20 years of experience in the optical telecommunications industry. He began his career as a systems engineer at Northern Telecom, and then progressed to various key positions in the areas of product management, operations engineering, product development, account marketing and product marketing - all associated with Nortel's leading optical systems. From 2001 to 2003, prior to joining EXFO, Mr. Fleury was Vice-President of Product Line Management and Marketing at Ceyba, an Ottawa-based optical systems startup. Mr. Fleury holds a bachelor's degree in Electrical Engineering from McGill University as well as a master's degree, also in Electrical Engineering, from Concordia University. He also completed a Marketing Management Program from Duke University.

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ETIENNE GAGNON was appointed Vice-President of Physical-Layer Product Management and Customer Service in May 2003. He is responsible for EXFO's general marketing direction, on both the product level and communications level, and also oversees our customer service department. For nearly three years, before returning to EXFO in early 2003, Mr. Gagnon was Vice-President of Sales and Marketing at TeraXion, an optical component manufacturer based in Quebec City. Mr. Gagnon began his career as a design engineer for Bombardier/Canadair, where he worked on the Canadian Regional Jet project between 1990 and 1993. Later, he held the position of Business Development Manager for France Telecom in Hungary. In 1994, he joined EXFO's European office as a Regional Sales Manager, and in 1996, he was brought back to Quebec City to head the OSP marketing group. Mr. Gagnon then went on to become the director of our Outside Plant division in 1998, and remained in that function until he joined TeraXion in 2000. Mr. Gagnon holds a bachelor's degree in Mechanical Engineering from the Ecole Polytechnique School of Engineering (University of Montreal), and a master's degree in European Business from the Ecole nationale superieure des telecommunications in France.

LUC GAGNON was appointed Vice-President, Telecom Manufacturing Operations in May 2003. He is responsible for ensuring the smooth operation of all manufacturing activities, which include production, purchasing, product engineering, quality assurance, planning, manufacturing engineering, product configuration, transportation and customs, as well as material resources. Prior to his recent nomination, Mr. Gagnon held the position of Production Director since 2000. Before joining EXFO, he had similar roles in several other high-technology companies. He worked for Mendes from 1999 to 2000, for C-MAC from 1997 to 1999, for STERIS from 1993 to 1997 and for MITEL from 1991 to 1993. Mr. Gagnon holds a bachelor's degree in electrical engineering and master's degree in engineering, both from the Universite de Sherbrooke, in Canada.

JUAN-FELIPE GONZALEZ assumed the position of Vice-President, Global Telecom Sales in July 2003. Prior to that he had been our Vice-President, International Sales since September 1998. From January 1997 to September 1998, he was our International Sales Director and, from September 1993 to January 1997, our Sales Manager for Latin America and the Caribbean. Prior to joining us in September 1993, Mr. Gonzalez was Marketing and Sales Director at Reyde, Barcelona, a plastics technical product corporation in Spain. Mr. Gonzalez holds a bachelor's degree in Industrial Chemistry from Complutense University of Madrid in Spain and a master's degree in Business Administration from the School of Industrial Organization in Spain.

GERMAIN LAMONDE is one of our founders. Germain Lamonde has been our Chairman of the Board, President and Chief Executive Officer since our inception in 1985. Mr. Lamonde holds a bachelor's degree in Physics Engineering from Ecole Polytechnique, University of Montreal in Canada and a master's degree in Optics from Laval University in Canada.

PIERRE MARCOUILLER has served as our director since May 2000. Mr. Marcouiller is Chairman of the Board and Chief Executive Officer of Camoplast Inc., a supplier of components to the recreational and motorized vehicle and automotive parts markets. He is the founder and has been sole shareholder of Nexcap Inc., an investment company in the manufacturing sector, since December 1996. Mr. Marcouiller worked with Venmar Ventilation Inc., a private ventilation equipment manufacturer, from January 1983 to December 1996. Mr. Marcouiller was the controlling shareholder of Venmar from 1991 to 1996 and held the position of President and General Manager of Venmar from December 1986 to December 1996. Mr. Marcouiller is also a director of Heroux-Devtek Inc., a publicly traded company that manufactures aerospace and industrial turbines, and holds directorships in other privately held companies. Mr. Marcouiller holds a bachelor's degree in Business Administration from Universite du Quebec a

69

Trois-Rivieres in Canada and a Master in Business Administration from Sherbrooke University in Canada.

GUY MARIER has served as our director since January 2004. Formerly President of Bell Quebec between 1999 and 2003, Guy Marier completed his successful 33-year career at Bell as Executive Vice-President of the Project Management Office of Bell Quebec, before retiring at he end of 2003. Mr. Marier began at Bell Canada in 1970 and quickly became an executive. From 1988 to 1990, he headed up Bell Canada International's investments and projects in Saudi Arabia and, for the three following years, served as President of Telebec, a subsidiary of Bell Canada. He then returned to the parent company to hold various senior management positions. Mr. Marier was appointed to our Board of Directors in January 2004 and also sits on the Board of Bell Nordiq, a wholly-owned subsidiary of Bell Canada that manages the business and affairs of both Telebec L.P. and NorthernTel L.P. Mr. Marier holds a bachelor of Arts from the University of Montreal and a Bachelor of Business Administration from the
UNIVERSITE DU QUEBEC A MONTREAL.

PIERRE PLAMONDON has been our Vice-President, Finance and Chief Financial Officer since January 1996 and was a director from December 1999 to May 2000. Prior to joining us, Mr. Plamondon served as senior manager for Price Waterhouse, now PricewaterhouseCoopers LLP, from September 1981 to December 1995 in Canada and France. Mr. Plamondon holds a bachelor's degree in Business Administration and a license in Accounting, both from Laval University in Canada. Mr. Plamondon has been a member of the Canadian Institute of Chartered Accountants since 1983 and a member of the Board of Directors of SOVAR Inc.
(Societe de valorisation des applications de la recherche de l'Universite Laval)
since December 2000.

BENOIT RINGUETTE has been our in-house Legal Counsel and Corporate Secretary since April 2004. Prior to joining EXFO, Mr. Ringuette practiced mainly in commercial, corporate and securities law from 1998 to 2003 as an associate in the law firms of O'Brien, Flynn Rivard in Quebec City and Desjardins Ducharme Stein Monast in Quebec City. Mr. Ringuette has been a member of the Quebec Bar since 1998. Mr. Ringuette holds a bachelor's degree in Civil Law from Laval University in Quebec City, Canada.

DAVID A. THOMPSON has served as our director since June 2000. Dr. Thompson joined Corning's Research and Development Division in 1976 as a Senior Chemist in glass research. Most recently, he was named Division Vice-President for strategic Planning and Innovation Effectiveness in Research, Development and Engineering. Between 1988 and 1998, Dr. Thompson held technology Director and Strategic Planning roles for Corning's Component and Photonics Technologies Divisions. In 1999, he was named Technical Leader for the creation of the new Samsung-Corning Micro-Optics joint venture. Dr. Thompson received a bachelor's degree in Chemistry from Ohio State University and a doctorate in Inorganic Chemistry from the University of Michigan. He holds 13 patents and has more than 20 technical publications in the areas of inorganic chemistry, glass technology and telecommunications.

ANDRE TREMBLAY has been President and Chief Executive Officer of Microcell Telecommunications from May 1995 to November 2004, and has also been a member Microcell's Board of Directors since November 1995. In addition to his role at Microcell, Mr. Tremblay sits on the Board of Directors of the Communications Research Centre (a research arm of the federal government's Department of Industry) as well as the boards of other private and public corporations. Andre Tremblay began his career in the telecommunications industry in 1985, as an advisor to the Chairman and Chief Executive Officer of Telesystem Ltd. He subsequently

70

held various executive positions within that company. Mr. Tremblay holds bachelor's degrees in Management and in Accounting from Laval University, as well as a master's degree in Taxation from the UNIVERSITE DE SHERBROOKE, both in Canada. He also completed the Advanced Management Program offered by the Harvard Business School in the United States.

MICHAEL UNGER has served as our director since May 2000. He worked with Nortel Networks Limited, now Nortel Networks Corporation, from 1962 to 2000. Mr. Unger's most recent position was President of Nortel's Optical Networks Business Unit, a position he held from May 1998 to April 2000. Prior to this appointment, Mr. Unger was Nortel's Group Vice-President, Transport Networks from March 1990 to May 1998. Mr. Unger also serves on the board of Tundra Semiconductor Corporation a publicly traded company with its shares listed on The Toronto Stock Exchange that designs, develops and markets networking and network access technology for use by communications infrastructure equipment companies. He is also a member of the boards of a number of privately-held companies active in the areas of photonic and optical components, optical network systems and solutions for cable operators and other communications service providers. Mr. Unger holds a bachelor's degree in Science from Concordia University in Canada.

TERM OF EXECUTIVE OFFICERS

Executive officers are appointed annually by the board of directors and serve until their successors are appointed and qualified or until earlier resignation or removal.

B. COMPENSATION

DIRECTOR COMPENSATION

In the financial year terminated August 31, 2004, our directors who are not officers or employees receive the level of compensation set forth in the table below as annual compensation payable in the form of cash, stock, or stock options as chosen by the director. In addition, each director is granted 12,500 stock options under our stock option plan as part of his annual compensation.


Annual Retainer for Directors:                            CDN$25,000  US$18,796
-------------------------------------------------------------------------------

Annual Retainer for Committee Chairman:                    CDN$5,000   US$3,759
-------------------------------------------------------------------------------

Annual Retainer for Committee Members:                     CDN$3,000   US$2,255
-------------------------------------------------------------------------------

Fees for all Meetings Attended per day in Person:          CDN$1,000     US$752
-------------------------------------------------------------------------------

Fees for all Meetings Attended per day by Telephone:         CDN$500     US$376
-------------------------------------------------------------------------------

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

Note: The compensation information has been converted from Canadian dollars to U.S. Dollars based upon an average foreign exchange rate of 1.3301 for 2004.

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In the financial year ended August 31, 2004, the directors who were not employees received the following compensation in the form indicated:

-----------------------------------------------------------------------------------------------------------------
                               ANNUAL
                            COMPENSATION     ANNUAL COMPENSATION     EXERCISE      EXPIRATION    TOTAL ATTENDANCE
                            PAID IN CASH        PAID IN STOCK        PRICE OF        DATE OF       FEES PAID IN
          NAME                (US$)(1)         OPTIONS (#) (2)       OPTIONS (3)     OPTIONS       CASH (US$)(1)
-----------------------------------------------------------------------------------------------------------------
Pierre Marcouiller (4)         23,307              12,500             US$3.51      Oct. 27, 2013        5,639
-----------------------------------------------------------------------------------------------------------------

Guy Marier  (5)                16,352              12,500             US$4.65     March 24, 2014        4,887
-----------------------------------------------------------------------------------------------------------------

Dr. David A. Thompson (6)      21,051              12,500             US$3.51      Oct. 27, 2013        5,639
-----------------------------------------------------------------------------------------------------------------

Andre Tremblay (7)             24,810              12,500             US$3.51      Oct. 27, 2013        6,766
-----------------------------------------------------------------------------------------------------------------

Michael Unger (8)              24,810              12,500             US$3.51      Oct. 27, 2013        6,016
-----------------------------------------------------------------------------------------------------------------


(1) The compensation information has been converted from Canadian dollars to U.S. Dollars based upon an average foreign exchange rate of 1.3301 for 2004.
(2) Indicates the number of Subordinate Voting Shares underlying the options granted under the Stock Option Plan.
(3) The exercise price of options is determined based on the highest of the closing prices of the Subordinate Voting Shares on the Toronto Stock Exchange and the NASDAQ National Market on the last trading day preceding the grant date, using the noon buying rate of the Federal Reserve Bank of New York on the grant date to convert the NASDAQ National Market closing price to Canadian dollars, as required. These options vest at a rate of 12.5% after the first 6 months, 12.5% after 12 months and 25% annually thereafter commencing on the second anniversary date of the grant.
(4) Member of the Audit Committee and the Human Resources Committee.
(5) Member of the Audit Committee and the Human Resources Committee.
(6) Member of the Human Resources Committee.
(7) Member of the Human Resources Committee and Chairman of the Audit Committee.
(8) Member of the Audit Committee and Chairman of the Human Resources Committee and Lead Director.

EXECUTIVE COMPENSATION

The table below shows compensation information during the three most recently completed financial years for Mr. Germain Lamonde, our Chairman of the Board, President and Chief Executive Officer, Mr. Pierre Plamondon, Vice-President Finance and Chief Financial Officer, our other three other most highly compensated executive officers who were serving at the end of the financial year, and two other executive officers who would have been included within the three most highly compensated executive officers had they been in our employ, at the year end (collectively, the "Named Executive Officers"). This information includes the US dollar value of base salaries, bonus awards and long-term incentive plan payments, the number of options granted, and other compensation, if any, whether paid or deferred.

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-------------------------------------------------------------------------------------------------------------------
                                                                                     SECURITIES
                                                                        OTHER ANNUAL    UNDER
     NAME AND PRINCIPAL       FINANCIAL     SALARY                      COMPENSATION  OPTIONS(3)      ALL OTHER
          POSITION              YEAR       (1) ($)      BONUS(2) ($)        ($)          (#)        COMPENSATION ($)
-------------------------------------------------------------------------------------------------------------------
Germain Lamonde,                2004     206,751 (US)   57,115 (US)         --            --            --
President and Chief                      275,000 (CDN)  75,969 (CDN))
Executive Officer
                                2003     185,848 (US)   25,247 (US)         --        50,000            --
                                         275,000 (CDN)  37,359 (CDN)

                                2002     174,758 (US)   21,329 (US)         --        70,000            --
                                         275,000 (CDN)  33,563 (CDN)
-------------------------------------------------------------------------------------------------------------------

Pierre Plamondon,               2004     135,328 (US)   17,451 (US)         --            --         1,429 (US) (4)
Vice-President Finance and               180,000 (CDN)  23,211 (CDN)                                 1,901(CDN)
Chief Financial Officer
                                2003     118,267 (US)    9,547 (US)         --        25,000           866 (US) (4)
                                         175,000 (CDN)  14,127 (CDN)                                 1,281 (CDN)

                                2002      95,323 (US)    5,817 (US)         --        19,000           886 (US) (4)
                                         150,000 (CDN)   9,153 (CDN)                                 1,394 (CDN)
-------------------------------------------------------------------------------------------------------------------

Juan-Felipe Gonzalez,           2004     231,597 (US)  563,867 (US)         --            --            --
Vice-President,                          308,047 (CDN) 750,000 (CDN)(5)
Global Telecom Sales
                                2003     163,896 (US)    7,500 (US)         --        30,000            --

                                2002     158,193 (US)       --              --        30,000            --
-------------------------------------------------------------------------------------------------------------------

Stephen Bull                    2004     112,773 (US)   12,437 (US)         --            --        16,221 (US) (6)
Vice-President Research &                150,000 (CDN)  16,543 (CDN)                                21,576 (CDN)
Development
                                2003      81,098 (US)    8,138 (US)         --        15,000           588 (US) (4)
                                         120,000 (CDN)  12,042 (CDN)                                   871 (CDN)

                                2002      73,081 (US)    4,425 (US)         --        17,930           577 (US) (4)
                                         115,000 (CDN)   6,964 (CDN)                                   908 (CDN)
-------------------------------------------------------------------------------------------------------------------

Benoit Fleury                   2004     112,773 (US)    8,656 (US)         --        15,000        15,036 (US) (8)
Vice-President, Protocol                 (7)            11,421 (CDN)                                20,000 (CDN)
Product Management                       150,000(CDN)
-------------------------------------------------------------------------------------------------------------------
NAMED EXECUTIVES NOT IN THE EMPLOY OF THE CORPORATION AT YEAR END
-------------------------------------------------------------------------------------------------------------------

James Stevens,                  2004     175,000 (US)       --              --            --         4,016 (US) (4)
Vice-President Product                   (9)
Management and Chief
Technology Officer              2003     175,000 (US)       --              --        12,000         4,624 (US) (4)
(Protocol)                               (10)
-------------------------------------------------------------------------------------------------------------------
                                2004     140,000 (US)   10,385 (US)         --            --        22,996 (US) (12)
John Holloran Jr.,                       (11)
Interim General Manager
and Special Projects                     140,000 (US)
                                2003     (13)           12,692 (US)         --         9,000         4,114 (US) (4)
-------------------------------------------------------------------------------------------------------------------


(1) The compensation information for Canadian residents has been converted from Canadian dollars to U.S. dollars based upon an average foreign exchange rate of 1.3301 for 2004, 1.4797 for 2003 and 1.5736 for 2002. The currency conversions cause these reported salaries to fluctuate from year-to-year because of the conversion of Canadian dollars to U.S. dollars.
(2) A portion of the bonus amounts is paid in cash in the year for which they are awarded and the balance is paid in cash in the year following the financial year for which they are awarded.
(3) Indicates the number of Subordinate Voting Shares underlying the options granted under the Stock Option Plan during the financial year indicated.
(4) Indicates the amount we contributed during the financial year indicated to the Deferred Profit Sharing Plan or the 401K plans, as applicable, for the benefit of the Named Executive Officer. Mr. Lamonde is not eligible to participate in the Deferred Profit Sharing Plan and Mr. Gonzalez did not participate.
(5) Pursuant to the terms of his employment agreement, Mr. Juan-Felipe Gonzalez received a cash payment of CDN$750,000 since he did not voluntarily resign and was not dismissed with cause prior to September 2003. An amount of CDN$500,000 was disbursed on October 17, 2003 and the remaining CDN$250,000 was disbursed on January 25, 2004.
(6) Indicates the amount we paid during the financial year for relocation allowance (CDN$20,000) (US$15,036) plus the amount referred in note 4 above (CDN$1,576) (US$1,185).
(7) This amount represents Mr. Fleury annual base salary. Since Mr. Fleury joined us on February 16, 2004, the base salary paid to Mr. Fleury for the financial year ended August 31, 2004 amounted to US$ 58,555 (CDN$ 77,884).
(8) Indicates the amount we paid during the financial year for relocation allowance (CDN$20,000) (US$15,036 ).
(9) This amount represents Mr. Stevens' base annual salary. Since he left us on May 21, 2004, the base salary paid to him for the financial year ended August 31, 2004 amounted to US$147,654.

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(10) This amount represents Mr. Stevens' base annual salary. Since he joined us on October 7, 2002, the base annual salary paid to him for the financial year ended August 31, 2003 amounted to US$154,135.
(11) This amount represents Mr. Holloran's base annual salary. Since he left us on December 31, 2003, the base annual salary paid to him for the financial year ended August 31, 2004 amounted to US$55,346.
(12) Indicates the amount we paid during the financial year for severance package (US$21,231) plus the amount referred in note 4 above (US$1,765).
(13) This amount represents Mr. Holloran's base annual salary. Since he joined us on October 7, 2002, the base annual salary paid to him for the financial year ended August 31, 2003 amounted to US$124,462.

The following table indicates additional information on the options granted to our Named Executive Officers during the 2004 fiscal year.

--------------------------------------------------------------------------------------------------------------------
                        SECURITIES     PERCENTAGE OF NET                      MARKET VALUE OF
                          UNDER         TOTAL OF OPTIONS                    SECURITIES UNDERLYING
                         OPTIONS      GRANTED TO EMPLOYEES   EXERCISE OR     OPTIONS ON THE DATE
                        GRANTED(1)     IN FINANCIAL YEAR    BASE PRICE (2)       OF GRANT
        NAME               (#)                (%)          (US$/ SECURITY)    (US$/SECURITY) (3)    EXPIRATION DATE
--------------------------------------------------------------------------------------------------------------------
Benoit Fleury             15,000             2.80 %            4.65US             4.63 US           March 24, 2014
--------------------------------------------------------------------------------------------------------------------


(1) Underlying securities: Subordinate Voting Shares.
(2) The exercise price of options granted is determined based on the highest of the closing prices of the Subordinate Voting Shares on The Toronto Stock Exchange and the NASDAQ National Market on the last trading day preceding the grant date, using the noon buying rate of the Federal Reserve Bank of New York on the grant date to convert the NASDAQ National Market closing price to Canadian dollars, as required. These options These options vest at a rate of 12.5% 6 months after the grant date, 12.5% 12 months after the grant date, and 25% annually thereafter commencing on the second anniversary date of the grant.
(3) Based on the closing price on the NASDAQ National Market on the date of the grant.

EMPLOYMENT AGREEMENTS

We have an employment agreement with Mr. Germain Lamonde. The agreement is for an indeterminate period and the salary is reviewed annually. In the event of the termination of Mr. Lamonde's employment without cause, Mr. Lamonde will be entitled to severance payments (in no case exceeding 24 months of remuneration) and the vesting of all stock options. In addition, in the event that Mr. Lamonde's employment is terminated following a merger or an acquisition by a third party of substantially all our assets or of the majority of our share capital or if Mr. Lamonde voluntarily resigns, he will be entitled to the vesting of all stock options.

We also have employment agreements with Mr. Juan-Felipe Gonzalez, Mr. Pierre Plamondon, Mr. Stephen Bull and Mr. Benoit Fleury.

The agreement with Mr. Gonzalez provided for Mr. Gonzalez's employment as Vice-President Global Telecom Sales. In the event Mr. Gonzalez's employment terminates for any reason whatsoever and he is unable to accept new employment due to his non-competition obligations to us Mr. Gonzalez may receive compensation for a period of 18 months following the date of termination in amounts varying from 5% to 50% of his base monthly salary at the time of termination depending on the cause of the termination. The employment agreement is for an indeterminate period and salary and bonuses are reviewed annually.

We have an employment agreement with Mr. Pierre Plamondon, our Vice President, Finance and Chief Financial Officer. The agreement is for an indeterminate period and the salary is reviewed annually. In the event of termination of Mr. Plamondon's employment without cause, Mr. Plamondon will be entitled to severance payments (in no case exceeding 18 months of the current base salary). In addition, in the event Mr. Plamondon's employment is terminated

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following a merger or an acquisition by a third party of substantially all of our assets or of the majority of our share capital, he will be entitled to the immediate vesting of all stock options.

We have an employment agreement with Mr. Stephen Bull, the Corporation's Vice President, Research & Development. The agreement is for an indeterminate period and the salary is reviewed annually. In the event of termination of Mr. Bull's employment without cause, Mr. Bull will be entitled to severance payments (in no case exceeding 18 months of the current base salary). In addition, in the event Mr. Bull's employment is terminated following a merger or an acquisition by a third party of substantially all of our assets or of the majority of our share capital, he will be entitled to the immediate vesting of all stock options.

We have an employment agreement with Mr. Benoit Fleury, our Vice President, Protocol Product Management. The agreement is for an indeterminate period and the salary is reviewed annually. In the event of termination of Mr. Fleury's employment without cause, Mr. Fleury's will be entitled to severance payments (in no case exceeding 18 months of the current base salary). In addition, in the event Mr. Fleury's employment is terminated following a merger or an acquisition by a third party of substantially all of our assets or of the majority of our share capital, he will be entitled to the immediate vesting of all stock options.

STOCK OPTION PLAN

We have a stock option plan for our directors, executive officers, employees and consultants and those of our subsidiaries as determined by our board of directors, to attract and retain competent directors, executive officers, employees and consultants motivated to work toward ensuring our success and to encourage them to acquire our shares.

All of the options that will be granted under the plan must be exercised within a maximum period of ten years following the grant date of the options or they will be forfeited. The board of directors will designate the recipients of options and determine the number of subordinate voting shares covered by each of these options, the date of vesting of each option, the exercise price of each option, the expiry date and any other conditions relating to these options, in each case in accordance with the applicable legislation of the securities regulatory authorities. The price at which the subordinate voting shares may be purchased under the plan will not be lower than the highest of the closing prices of the subordinate voting shares on the stock exchanges where the subordinate voting shares are listed at the date preceding the date of grant.

The maximum number of subordinate voting shares that is issuable under the plan may not exceed 6,306,153 shares, which represents 9.2% of our issued and outstanding share capital as at December 31, 2004. The maximum number of subordinate voting shares that may be granted to any individual may not exceed 5% of the outstanding subordinate voting shares. The board of directors may accelerate the vesting of any or all outstanding options of any or all options upon the occurrence of a change of control.

The aggregate number of subordinate voting shares covered by options granted during the financial year ended August 31, 2004 was 536,500 at a weighted average exercise price of $ 3.94 (CA$ 5.24) per subordinate voting share. At the end of the financial year ended August 31, 2004, there were 2,934,518 subordinate voting shares covered by options granted and outstanding pursuant to the stock option plan having a weighted average exercise price of US$13.89 (CDN$20.89) per option. As of August 31, 2004, there were 3,371,635 options

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available for future grants under the plan. Since August 31, 2004 we granted 30,291 options to employees on October 26, 2004.

Options granted in the financial year ended August 31, 2004 vest at a rate of 12.5% 6 months after the date of grant, 12.5% 12 months after the date of grant and 25% annually thereafter commencing on the second anniversary date of the grant. All options may be exercised in whole or in part once vested. All of the options that are granted under the Plan must be exercised within a maximum period of 10 years following the date of their grant or they will be forfeited.

RESOLUTION FOR THE APPROVAL OF AMENDMENTS TO THE STOCK OPTION PLAN

Our Stock Option Plan is designed to increase the performance of our employees, senior management, officers and directors and those of our subsidiaries, and persons and companies providing ongoing management or consulting services ("consultants") to us and our subsidiaries.

On October 26, 2004, our Board of Directors, on the recommendation of outside consultants and the Human Resources Committee in alignment with the practice in the industry and in the best interest of the shareholders, authorized, subject to regulatory and shareholders' approvals, certain amendments to the current Stock Option Plan, including the renaming of the Stock Option Plan to Long Term Incentive Plan (the "Proposed Amendments").

Accordingly, a resolution has been submitted to our shareholders for voting at the Annual and Special Shareholders Meeting to be held on January 12, 2005, to approve the Proposed Amendments.

Under the Proposed Amendments, Restricted Share Units ("RSU") are granted to designated directors, officers, employees and consultants. The RSU are "phantom" shares that rise and fall in value based on the value of our Subordinate Voting Shares, and are redeemed for actual Subordinate Voting Shares or cash equivalent at the discretion of our Board of Directors on the vesting dates established by our Board of Directors at the time of grant in its sole discretion. Such Subordinate Voting Share will be issued from the pool of Subordinate Voting Shares reserved for issuance pursuant to the Stock Option Plan, which shall not exceed 10% of the total issued and outstanding voting shares.

The Proposed Amendments are meant to modify our existing Stock Option Plan to offer, through combinations of equity-based incentive programs, optimal alignment of the interest of our management and employees to that of our shareholders. The choice of amending the existing Stock Option Plan was taken by our Board of Directors after an analysis of various alternative equity-based plans. The Proposed Amendments were considered to provide the best balance between alignment with shareholder interests, protection against downside risk, share price volatility protection and employee retention.

RESOLUTION FOR THE APPROVAL OF THE DEFERRED SHARE UNIT PLAN

On October 26, 2004, our Board of Directors, on the recommendation of outside consultants and the Human Resources Committee in alignment with the practice in the industry, in the best interest of the shareholders and in order to align more closely the interests of its non-employee directors with those of its shareholders, authorized, subject to regulatory and shareholders' approvals, a Deferred Share Unit Plan.

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Accordingly, a resolution has been submitted to our shareholders for voting at the Annual and Special Shareholders Meeting to be held on January 12, 2005, to approve the Deferred Share Unit Plan.

Under the Deferred Share Unit Plan, non-employee directors shall receive up to 100 % of their retainer fees in the form of Deferred Share Units ("DSUs"), each of which has an initial value equal to the market value of a Subordinate Voting Share at the time DSUs are credited to the directors. The value of a DSU, when converted to a Subordinate Voting Share, is equivalent to the market value of a Subordinate Voting Share at the time the conversion takes place. DUSs attract dividends in the form of additional DSUs at the same rate as dividends on Subordinate Voting Share. When a director ceases to be a member of the Board, the DSUs are converted and paid in Subordinate Voting Shares purchased on the open market or issued by the Corporation. Such Subordinate Voting Shares will be issued from the same pool of Subordinate Voting Shares reserved for issuance pursuant to the Stock Option Plan, which shall not exceed 10% of the total issued and outstanding voting shares.

SHARE PLAN

In September 1998, we established a stock purchase plan for officers, directors and key employees as amended in April 2000. A total of 707,264 subordinate voting shares were issued and fully paid under the 1998 Stock Purchase Plan, having a weighted average cash consideration of $0.67 (CA$0.98) per share. The plan provides that all shares issued under the plan are restricted as to sale and transferability for a minimum period of five years upon the date of acquisition.

On April 3, 2000, we adopted a share plan that replaced the 1998 Stock Purchase Plan. No additional shares will be issued under the share plan. The share plan established restrictions on the rights of the holders of subordinate voting shares who hold those shares as a result of the conversion of the Class "F" shares issued under the 1998 Stock Purchase Plan. The share plan also requires the subordinate voting shares to be held in trust by a trustee until August 31, 2004, except for 249,977 subordinate voting shares that will be released between October 21, 2003 and January 20, 2004. The share plan also provides for the earlier release of shares in the event that the employment of a holder of shares is terminated or upon the occurrence of a change of control. The new share plan does not permit any transfer, except within the trust to a registered retirement savings plan or a registered retirement income fund or to a trustee in bankruptcy. The share plan also established the conditions pursuant to which the shares of a shareholder are to be sold by the trustee on the public market. As of August 31, 2004, all the remaining subordinate voting shares that were held in trust under the share plan were released.

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RESTRICTED STOCK AWARD PLAN

The EXFO Electrical-Optical Engineering Restricted Stock Award Plan (the "Plan") was established to provide a means through which employees of EXFO Burleigh can be granted awards of restricted shares ("Restricted Shares") of our subordinate voting shares to promote retention and foster identity of interest between our stockholders and employees of EXFO Burleigh.

The effective date of the Plan is December 20, 2000. The expiration date of the Plan is the business day next following the final grant of Restricted Shares under the Plan. However, the administration of the Plan shall continue until all awards of Restricted Shares have been forfeited or settled. The aggregate number of shares subject to the Plan is 360,000. Grants of Restricted Shares are to be made in accordance with a pre-determined schedule. The Plan is administered by the committee that is designated to administer our Stock Option Plan.

Awards of Restricted Shares are subject to forfeiture and restrictions on transfer until the Restricted Shares become vested at which point a stock certificate will be issued to a participant with respect to the number of vested shares, which are then freely transferable. Restricted Shares become vested, subject to a participant's continued employment with the Company or its affiliates, on each of the first four anniversaries of the date of grant of an award of Restricted Shares. Accordingly, we issued an aggregate of 349,517 subordinate voting shares to participants in accordance with the vesting schedule under the Plan. The remaining subordinate voting shares were issued to three of the four founding shareholders.

Upon a participant's termination of employment with us, or any of our affiliates due to the participant's death, disability or retirement on or after age 60, the participant's award of restricted shares becomes fully vested and is no longer subject to forfeiture. However, the transfer restrictions remain in place until the occurrence of the vesting dates originally contemplated by the award.

Upon the voluntary resignation of a participant, the termination of a participant's employment for cause, the termination of a participant who is not designated a member of EXFO Burleigh's "Management Team" without cause prior to a change in control of us or a termination without cause of a participant who is designated a member of EXFO Burleigh's Management Team that is initiated by EXFO Burleigh prior to a change in control of us, the unvested portion of the participant's award of Restricted Shares will be forfeited. However, the Plan provides for discretion in the application of the forfeiture provisions where a change in circumstances renders such action appropriate. During the financial year ended August 31, 2003, we were required to lay-off 22 participants and 7 during the financial year ended August 31, 2004 as a result of restructuring. At that time, we decided that the awards of the Plan participants affected by the lay-offs would not be subject to forfeiture, though the transfer restrictions would remain in place until the occurrence of the vesting dates originally contemplated by the award.

Upon the termination without cause of a participant who is designated a member of EXFO Burleigh's Management Team that is initiated by us or a termination of a participant's employment without cause following a change in control of us, a participant's award of Restricted Stock will become fully vested and all restrictions will lapse.

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In the event of a change in control, the committee administering the Plan may in its discretion remove restrictions on Restricted Shares or provide for the cancellation of awards in exchange for payment in respect of the Restricted Shares subject to an award.

STOCK APPRECIATION RIGHTS PLAN

On August 4, 2001, the Corporation established a Stock Appreciation Rights Plan ("SAR Plan") for the benefit of certain employees residing in countries where the granting of options under the Stock Option Plan is not feasible in the opinion of the Corporation. The Board has full and complete authority to interpret the SAR Plan and to establish the rules and regulations applying to it and to make all other determinations it deems necessary or useful for the administration of the SAR Plan.

Under the SAR Plan, eligible employees are entitled to receive a cash amount equivalent to the difference between the market price of the subordinate voting shares on the date of exercise and the exercise price determined on the date of grant. No subordinate voting shares are issuable under the SAR Plan.

The Board of Directors has delegated to Management the task of designating the recipients of stock appreciation rights, the date of vesting, the expiry date and other conditions. Under the terms of the SAR Plan, the exercise price of the stock appreciation rights may not be lower than the highest of the closing prices of the subordinate voting shares on The Toronto Stock Exchange and on the NASDAQ National Market on the last trading day preceding the grant date, using the noon buying rate of the Federal Reserve Bank of New York on the grant date to convert the NASDAQ National Market closing price to Canadian dollars. Stock appreciation rights are non-transferable.

The stock appreciation rights vest over a four-year period, with 25% vesting annually commencing on the first anniversary date of the date of grant. Once vested, stock appreciation rights may be exercised between the second and the fifteenth business day following each release of our quarterly financial results. All of the stock appreciation rights that are granted under the SAR Plan may be exercised within a maximum period of 10 years following the date of their grant. Any stock appreciation rights granted under the SAR Plan will lapse immediately upon the termination of the relationship with us or one of our subsidiaries for a good and sufficient cause or at the date on which an employee resigns or leaves his employment with us or one of our subsidiaries (or within 30 days if the holder is dismissed without cause). In the event of retirement or disability, any stock appreciation right held by an employee lapses 30 days after the date of any such disability or retirement. In the event of death, any stock appreciation right lapses 6 months after the date of death.

As of December 15, 2004, there were 13,000 SAR's outstanding.

DEFERRED PROFIT SHARING PLAN

We maintain a deferred profit sharing plan for certain eligible Canadian resident employees. Under the plan, we may contribute an amount equal to 1% of each employee's gross salary to that employee's individual deferred profit sharing plan to the extent that such employee contributes at least 2% of his or her gross salary to his or her individual tax-deferred registered retirement savings plan. As a cost control measure, we temporarily suspended our contributions under this plan commencing in June 2002 and re-established contributions

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commencing January 2003. In the year ended August 31, 2004, the aggregate amount of contributions under the plan was $106,000 (CA$141,000).

401(K) PLAN

We maintain a 401(k) plan for eligible United States resident employees of our subsidiaries. Employees become eligible to participate in the 401(k) plan on the first day of the month following the completion of three months of continuous service. Employees may elect to defer their current compensation up to the lesser of 1% of eligible compensation or the statutorily prescribed annual limit and have the deferral contributed to the 401(k) plan. The 401(k) plan permits, but does not require, us to make additional matching contributions to the 401(k) plan on behalf of the eligible participants, subject to a maximum of 50% of the first 6% of the participant's current compensation subject to certain legislated maximum contribution limits. In the year ended August 31, 2004, we made an aggregate of $187,000 in matching contributions to the 401(k) plan. Contributions by employees or by us to the 401(k) plan and income earned on plan contributions are generally not taxable to the employees until withdrawn and contributions by us are generally deductible by us when made. At the direction of each participant, the trustees of the 401(k) plan invest the assets of the 401(k) plan in selected investment options.

INDEMNIFICATION OF DIRECTORS AND EXECUTIVE OFFICERS AND LIMITATION OF LIABILITY

Our by-laws require us, subject to the limitations provided by law, to indemnify our present or former directors and officers or any persons who act or acted at our request as directors or officers of a body corporate for all costs, losses, charges and expenses that arose or may arise by reason of their status as directors or officers of EXFO or such body corporate. A policy of directors' and officers' liability insurance is maintained by us which insures our directors and officers and those of our subsidiaries against liability incurred by, arising from or against them for certain of their acts, errors or omissions.

C. BOARD PRACTICES

BOARD OF DIRECTORS

Our directors are elected at the annual meeting of shareholders for one-year terms and serve until their successors are elected or appointed, unless they resign or are removed earlier. Our articles of incorporation provide for a board of directors of a minimum of three (3) and a maximum of twelve (12) directors. Our board presently consists of six directors. Under the CANADA BUSINESS CORPORATIONS ACT, twenty-five percent of the directors and of the members of any committee of the board of directors must be resident Canadians. We have no arrangements with any of our directors providing for the payment of benefits upon their termination of service as director.

During the fiscal year ended August 31, 2004, the Board met a total of ten times. Attendance at all meetings was perfect, with the exception of the absence of Mr. David Thompson and Mr. Michael Unger at one meeting and the absence of Mr. Pierre Marcouiller at two meetings.

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COMMITTEES OF THE BOARD OF DIRECTORS

Our board of directors has established an audit committee, a human resources committee and a disclosure committee.

Our audit committee will recommend a firm to be appointed as independent auditors to audit financial statements and to perform services related to the audit, review the scope and results of the audit with the independent auditors, review with management and the independent auditors our annual operating results and consider the adequacy of the internal accounting procedures and the effect of the procedures relating to the auditors' independence. Further to changes to NASDAQ corporate governance rules and new Securities and Exchange rules flowing from the adoption of the SARBANES-OXLEY ACT, our audit committee charter is being revised every financial year to ensure that we comply with all new requirements. The audit committee is composed of four independent directors: Andre Tremblay, Michael Unger, Guy Marier and Pierre Marcouiller. The chairperson of the audit committee is Andre Tremblay.

During the fiscal year ended August 31, 2004, the Audit Committee met a total of five times and attendance was perfect at all meetings, with the exception of one meeting missed by Mr. Pierre Marcouiller.

Our human resources committee will evaluate, review and supervise our procedures with regards to human resources and will assess the performance of our executive officers and the chief executive officer. This committee will also review annually the remuneration of the directors and will recommend to the board of directors general remuneration policies regarding salaries, bonuses and other forms of remuneration for our directors, executive officers and employees as a whole. Finally, the human resources committee will review our organizational structure annually and the development and maintenance of a succession plan. The human resources committee is composed of five independent directors: Pierre Marcouiller, Guy Marier, David A. Thompson, Andre Tremblay and Michael Unger. The chairperson of the human resources committee is Michael Unger.

During the fiscal year ended August 31, 2004, the Human Resources committee met a total of two times and attendance was perfect at all meetings.

The disclosure committee is responsible for overseeing our disclosure practices. This committee consists of the chief executive officer, the chief financial officer, investor relations the manager of financial reporting and accounting as well as our legal counsel and corporate secretary.

In addition, in order to deal with issues arising from our implication in the IPO class action suit, in October 2002, the Board of Directors appointed a litigation committee composed of four of our independent directors.

D. EMPLOYEES

We have fostered a corporate culture where growth and change are strongly encouraged. In fact, employees are constantly evolving with the rapid pace of technology to meet new challenges and realities. We believe that we possess a good cross-section of experience and youth to handle these inevitable changes in the industry.

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As of December 15, 2004, we had a total of 649 employees, up from a total of 627 on December 15, 2003. We have 563 employees in Canada, primarily based in Quebec, and 86 employees based outside of Canada. 188 are involved in research and development, 246 in manufacturing, 99 in sales and marketing, 68 in general administrative positions and 48 in communications and customer support. We have agreements with almost all of our employees covering confidentiality and non-competition. Only manufacturing employees based in Quebec City plants are represented by a collective bargaining agreement, which expires in 2009. We have never experienced a work stoppage. We believe that relations with our employees and bargaining unit are good.

E. SHARE OWNERSHIP

The following table presents information regarding the beneficial ownership of our share capital as of December 15, 2004 by our directors, our Chief Executive Officer, Chief Financial Officer and our three highest compensated executive officers; and all of our directors and executive officers as a group.

Each multiple voting share is convertible at the option of the holder into one subordinate voting share. Holders of our subordinate voting shares are entitled to one vote per share and holders of our multiple voting shares are entitled to ten votes per share.

                                                                                                  TOTAL
                                       MULTIPLE VOTING SHARES    SUBORDINATE VOTING SHARES    PERCENTAGE OF
                                       BENEFICIALLY OWNED (1)     BENEFICIALLY OWNED (1)       VOTING POWER
                                      -----------------------    --------------------------   -------------
                NAME                      NUMBER      PERCENT          NUMBER       PERCENT         PERCENT
--------------------------------      ----------      -------      ----------       -------         -------
Germain Lamonde (2).............      37,900,000          100         199,712         *             55.6
Pierre Plamondon (3)............              --           --          92,807         *               *
Stephen Bull  ..................              --           --          48,421         *               *
Benoit Fleury  .................              --           --           1,875         *               *
Juan Felipe Gonzalez............              --           --         133,725         *               *
Pierre Marcouiller..............              --           --          32,268         *               *
Guy Marier  ....................              --           --           2,563         *               *
David A. Thompson...............              --           --          25,376         *               *
Andre Tremblay (4)..............              --           --          31,393         *               *
Michael Unger  .................              --           --          25,401         *               *
                                    -----------------------------------------------------------------------
TOTAL...........................      37,900,000          100         593,541        1.9            56.2


* Less than 1%.

(1) Beneficial ownership is determined in accordance with the rules of the SEC and generally includes voting or investment power with respect to securities. Options that are currently exercisable (including options that have an exercise price above the market price) are deemed to be outstanding and to be beneficially owned by the person holding such options for the purpose of computing the percentage ownership of such person, but are not treated as outstanding for the purpose of computing the percentage ownership of any other person.
(2) The number of shares held by Germain Lamonde includes 1,900,000 multiple voting shares held of record by Fiducie Germain Lamonde, 36,000,000 multiple voting shares held of record by G. Lamonde Investissements Financiers inc. and 93,000 subordinate voting shares held of record by Placements Lamonde SENC.
(3) The number of shares held by Pierre Plamondon includes 6,874 subordinate voting shares held of record by Fiducie Pierre Plamondon.
(4) The number of subordinate voting shares held of record by Andre Tremblay are held by 9044-6451 Quebec Inc, a company controlled by Mr. Tremblay.

The following table presents information regarding stock options held as of December 31, 2004 by our directors, our Chief Executive Officer, our Chief Financial Officer and our three highest compensated executive officers.

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                              SECURITIES UNDER OPTIONS    EXERCISE PRICE (2)
              NAME                 GRANTED (1) (#)         (US$/SECURITY)         EXPIRATION DATE
                              ------------------------    ------------------    ------------------
Germain Lamonde..............          25,402                 $26.00              June 29, 2010
                                        5,080                 $22.25             January 10, 2011
                                       70,000                  $9.13             October 10, 2011
                                       50,000                  $1.58            September 25, 2012

Pierre Plamondon.............           8,700                 $26.00              June 29, 2010
                                       10,000                 $45.94            September 13, 2010
                                        5,000                 $34.07             October 11, 2010
                                        9,240                 $22.25             January 10, 2011
                                       19,000                  $9.13             October 10, 2011
                                       25,000                  $1.58            September 25, 2012
                                        5,383                  $5.13             October 26, 2014

Stephen Bull.................             900                 $26.00              June 24, 2010
                                        5,000                 $45.94            September 13, 2010
                                        2,930                 $22.25             January 10, 2011
                                       15,000                  $9.13             October 10, 2011
                                       15,000                  $1.58            September 25, 2012
                                        3,589                  $5.13             October 26, 2014

Benoit Fleury................          15,000                  $4.65              March 24, 2014
                                        3,708                  $5.13             October 26, 2004

Juan Felipe Gonzalez.........           6,900                 $26.00              June 29, 2010
                                       15,000                 $45.94            September 13, 2010
                                       15,000                 $34.07             October 11, 2010
                                       15,630                 $22.25             January 10, 2011
                                       15,000                  $9.13             October 10, 2011
                                       15,000                 $12.22             January 3, 2012
                                       30,000                  $1.58            September 25, 2012
                                        5,482                  $5.13             October 26, 2014

Pierre Marcouiller...........           2,000                 $26.00              June 29, 2010
                                          400                 $22.25             January 10, 2011
                                       17,966                  $9.13             October 10, 2011
                                        1,037                 $12.69             December 1, 2011
                                        2,479                  $5.65              March 1, 2012
                                       12,500                  $1.58            September 25, 2012
                                       12,500                  $3.51             October 27, 2013

Guy Marier...................          12,500                  $4.65              March 24, 2014

David A. Thompson............           2,000                 $26.00              June 29, 2010
                                          400                 $22.25             January 10, 2011
                                       15,334                  $9.13             October 10, 2011
                                       12,500                  $1.58            September 25, 2012
                                       12,500                  $3.51             October 27, 2013

Andre Tremblay...............           2,000                 $26.00              June 29, 2010
                                          400                 $22.25             January 10, 2011
                                       17,291                  $9.13             October 10, 2011
                                       12,500                  $1.58            September 25, 2012
                                       12,500                  $3.51             October 27, 2013

Michael Unger................           2,000                 $26.00              June 29, 2010
                                          400                 $22.25             January 10, 2011
                                       18,168                  $9.13             October 10, 2011
                                       12,500                  $1.58            September 25, 2012
                                       12,500                  $3.51             October 27, 2013


(1) Underlying securities: subordinate voting shares

(2) The exercise price of options granted is determined based on the highest of the closing prices of the subordinate voting shares on the Toronto Stock Exchange and the NASDAQ National Market on the last trading day preceding the grant date, using the noon buying rate of the Federal Reserve Bank of New York on the grant date to convert the NASDAQ National Market closing price to Canadian dollars, as required.

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ITEM 7. MAJOR SHAREHOLDERS AND RELATED PARTY TRANSACTIONS

A. MAJOR SHAREHOLDERS

The following table presents information regarding the beneficial ownership of our share capital as of December 15, 2004 by persons or groups of affiliated persons known by us to own more than 5% of our voting shares.

                                     MULTIPLE VOTING SHARES        SUBORDINATE VOTING SHARES     TOTAL PERCENTAGE OF
                                     BENEFICIALLY OWNED (1)         BENEFICIALLY OWNED (1)          VOTING POWER
                                  -------------------------       --------------------------     -------------------
              NAME                  NUMBER         PERCENT          NUMBER         PERCENT            PERCENT
-------------------------------   ----------       -------        ---------        -------            -------
Germain Lamonde (2)               37,900,000        100 %          199,712            *                55.6%

Fiducie Germain Lamonde (3)        1,900,000         5 %             Nil             Nil                2.8%


G. Lamonde Investissements
Financiers inc. (4)               36,000,000         95 %            Nil             Nil               52.5%

Placements Lamonde, SENC (5)          Nil            Nil             93,000           *                  *

FMR Corporation (6)                   Nil            Nil          4,922,800         16.1%               7.2%

Kern Capital Management, LLC (7)      Nil            Nil          4,658,000         15.2%               6.8%


* Less than 1%

(1) Beneficial ownership is determined in accordance with the rules of the SEC and generally includes voting or investment power with respect to securities. Options that are currently exercisable (including options that have an exercise price above the market price) are deemed to be outstanding and to be beneficially owned by the person holding such options for the purpose of computing the percentage ownership of such person, but are not treated as outstanding for the purpose of computing the percentage ownership of any other person.
(2) The number of shares held by Germain Lamonde includes 1,900,000 multiple voting shares held of record by Fiducie Germain Lamonde and 36,000,000 multiple voting shares held of record by G. Lamonde Investissements Financiers inc. and 93,000 subordinate voting shares held of record by Placements Lamonde, SENC.
(3) Fiducie Germain Lamonde is a family trust for the benefit of Mr. Lamonde and members of his family.
(4) G. Lamonde Investissements Financiers inc. is a company controlled by Mr.
Lamonde.
(5) Placements Lamonde, SENC is a parternship controlled by Mr. Lamonde.
(6) Fidelity Management and Research Company, a wholly owned subsidiary of FMR Corporation, is the beneficial owner of this number of subordinate voting shares as a result of acting as investment advisor to various investment companies.
(7) Kern Capital Management LLC controls the voting rights attached to this number of subordinate voting shares through relationships with several clients and does not beneficially own directly this number of subordinate voting shares.

Each multiple voting share is convertible at the option of the holder into one subordinate voting share. Holders of our subordinate voting shares are entitled to one vote per share and holders of our multiple voting shares are entitled to ten votes per share.

As of December 31, 2004, approximately 90% of our subordinate voting shares were held in bearer form and the remainder (2,963,508 subordinate voting shares) were held by 260 record holders. As of December 31, 2004, we believe approximately 56% of our outstanding subordinate voting shares were held in the United States.

B. RELATED PARTY TRANSACTIONS

INDEBTEDNESS OF DIRECTORS, EXECUTIVE OFFICERS AND EMPLOYEES

We have guaranteed the repayment of loans granted to employees by a financial institution for the purchase of our Class "F" shares that were converted into subordinate voting

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shares immediately prior to our initial public offering. As of August 31, 2004, the total principal amount guaranteed by us was CDN$12,500 ($9,493) and $56,200. As at December 15, 2004, the total amount guaranteed by us was $56,200 since we were released from our guarantee in the amount of CDN$12,500 in September 2004.

Except as disclosed in this section, none of our directors, executive officers, associates or affiliates had any material interest in any transaction with us during the past three years or in any proposed transaction which has materially affected or could materially affect us.

LEASES

Until September 1, 2004, we had a lease agreement with G. Lamonde Investissements financiers inc., a company controlled by Mr. Germain Lamonde, for premises located at 465 Godin Avenue in Vanier, Quebec. Until September 1, 2003, these premises were used for our executive and administrative offices which were, since then, moved into a building that we own. For fiscal year 2004, this space was unoccupied. This lease was renewed in December 2001 for five years, with all terms and conditions remaining the same. However, on September 1, 2004, we were released from our obligations under the lease with a final payment of $194,000 (CA$250,000). The annual rent for this lease was $CA144,000.

 LOCATION      SQUARE FOOTAGE     ANNUAL RENT        EXPIRY DATE
 --------      --------------     -----------        -----------
465 Godin          24,000          CA$144,000     November 30, 2006

Based on third-party valuations of the property values, we believe this lease agreement was at prevailing market terms.

In September 2002, we acquired from G. Lamonde Investissements financiers inc. the building located at 436 Nolin Street that houses some of our manufacturing activities. Previous to this acquisition, we had a lease agreement with this company for these premises. We paid CA$1,450,000 for the building and this purchase price is based on an independent third party valuation and the transaction was approved by our audit committee and the board of directors with Mr. Lamonde abstaining.

ITEM 8. FINANCIAL INFORMATION

A. CONSOLIDATED STATEMENTS AND OTHER FINANCIAL INFORMATION

SEE ITEM 18, "FINANCIAL STATEMENTS".

Valuation and qualifying accounts as well as Export sales are as follows (in thousands of US dollars);

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ALLOWANCE FOR DOUBTFUL ACCOUNTS

                                                                               YEARS ENDED AUGUST 31,
                                                               -------------------------------------------------------
                                                                       2004                 2003                2002
                                                               ---------------      --------------      --------------
Balance - Beginning of year                                    $        568         $        520        $        893
Addition charged to earnings                                            403                  619               1,097
Write-offs of uncollectible accounts                                   (186)                (288)               (925)
Reversal of collectible accounts                                       (318)                (315)               (538)
Foreign currency translation adjustment                                  43                   32                  (7)
                                                               ---------------      --------------      --------------

Balance - End of year                                          $        510         $        568        $        520
                                                               ===============      ==============      ==============

WARRANTY PROVISION
                                                                               YEARS ENDED AUGUST 31,
                                                               -------------------------------------------------------
                                                                       2004                 2003                2002
                                                               ---------------      --------------      --------------

Balance - Beginning of year                                    $        687         $        849        $        901
Addition charged to earnings                                            564                  520                 609
Settlement                                                             (889)                (749)               (655)
Foreign currency translation adjustment                                  28                   67                  (6)
                                                               ---------------      --------------      --------------

Balance - End of year                                          $        390         $        687        $        849
                                                               ===============      ==============      ==============

VALUATION ALLOWANCE ON FUTURE INCOME TAX ASSETS
                                                                               YEARS ENDED AUGUST 31,
                                                               -------------------------------------------------------
                                                                       2004                 2003                2002
                                                               ---------------      --------------      --------------

Balance - Beginning of year                                    $     28,846         $        359        $        362
Addition charged to earnings                                          3,954               28,385                   -
Foreign currency translation adjustment                                (187)                 102                  (3)
                                                               ---------------      --------------      --------------

Balance - End of year                                          $     32,613         $     28,846        $        359
                                                               ===============      ==============      ==============

EXPORT SALES

Export and domestic sales in dollars and as a percentage of total sales are as follows:

                                                                   YEARS ENDED AUGUST 31,
                                        -----------------------------------------------------------------------------
                                                 2004                       2003                        2002
                                        ----------------------     -----------------------     ----------------------
Export Sales                            $      68,812     92%      $      57,124      92%      $      64,359      94%
Domestic Sales                                  5,818      8               4,806       8               3,971       6
                                        ----------------------     -----------------------     ----------------------

                                        $      74,630    100%      $      61,930     100%      $      68,330     100%
                                        ======================     =======================     ======================

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B. SIGNIFICANT CHANGES

No significant changes occurred since the date of our annual consolidated financial statements included elsewhere in this Annual Report.

LEGAL PROCEEDINGS

On November 27, 2001, a class action suit was filed in the United States District Court for the Southern District of New York against the company, four of the underwriters of its Initial Public Offering and some of its executive officers pursuant to the Securities Exchange Act of 1934 and Rule 10b-5 promulgated thereunder and sections 11, 12 and 16 of the Securities Act of 1933. Approximately 300 other issuers and their underwriters have had similar suits filed against them, all of which are included in a single coordinated proceeding in the Southern District of New York (the "IPO Litigations"). This class action alleges that the company's registration statement and prospectus filed with the Securities and Exchange Commission on June 29, 2000, contained material misrepresentations and/or omissions resulting from (i) the underwriters allegedly soliciting and receiving additional, excessive and undisclosed commissions from certain investors in exchange for which they allocated material portions of the shares issued in connection with the company's Initial Public Offering; and (ii) the underwriters allegedly entering into agreements with customers whereby shares issued in connection with the company's Initial Public Offering would be allocated to those customers in exchange for which customers agreed to purchase additional amounts of shares in the after-market at pre-determined prices.

On April 19, 2002, the plaintiffs filed two amended complaints: one containing master allegations against all of the underwriters in the IPO Litigations, and the other containing allegations specific to four of the company's underwriters, the company and two of its executive officers. In addition to the allegations mentioned above, the amended complaint alleges that the underwriters (i) used their analysts to manipulate the stock market; and (ii) implemented schemes that allowed issuer insiders to sell their shares rapidly after an initial public offering and benefit from high market prices. As concerns the company and its two executive officers in particular, the amended complaint alleges that (i) the company's registration statement was materially false and misleading because it failed to disclose the additional commissions and compensation to be received by underwriters; (ii) the two named executive officers learned of or recklessly disregarded the alleged misconduct of the underwriters; (iii) the two named executive officers had motive and opportunity to engage in alleged wrongful conduct due to personal holdings of the company's stock and the fact that an alleged artificially inflated stock price could be used as currency for acquisitions; and (iv) the two named executive officers, by virtue of their positions with the company, controlled the company and the contents of the registration statement and had the ability to prevent its issuance or cause it to be corrected. The plaintiffs in this suit seek an unspecified amount for damages suffered.

In July 2002, the issuers filed a motion to dismiss the plaintiffs' amended complaint and judgment was rendered on February 19, 2003. The Court granted the company's motion to dismiss the claims against it under Section 11 of the Securities Act. The Court denied the company's motion to dismiss the claims against it under Rule 10b-5. In October 2002, the claims against its officers were dismissed without prejudice pursuant to the terms of the Reservation of Rights and Tolling Agreements entered into with the plaintiffs.

In June 2003, a committee of the company's Board of Directors conditionally approved a proposed settlement between the issuer defendants, the individual defendants, and the plaintiffs. On June 25, 2004, the Plaintiffs moved for Preliminary Approval of the settlement, and

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the Underwriter defendants have opposed that motion. If approved, the settlement would provide, among other things, a release of the company and of the individual defendants for the conduct alleged in the action to be wrongful in the amended complaint. The company would agree to undertake other responsibilities under the settlement, including agreeing to assign away, not assert, or release certain potential claims the company may have against its underwriters. Any direct financial impact of the proposed settlement is expected to be borne by the company's insurance carriers.

Since the settlement process is subject to a fairness hearing and final court approval, it is possible that it could fail. Therefore, it is not possible to predict the final outcome of the case, nor determine the amount of any possible losses. If the settlement process fails, the company will continue to defend its position in this litigation that the claims against it, and its officers, are without merit. Accordingly, no provision for this case has been made in the consolidated financial statements as at August 31, 2004.

There are no other legal or arbitration proceedings pending or threatened of which we are aware which may have or have had a significant effect on our financial position.

DIVIDEND POLICY

We do not currently anticipate paying dividends for at least the three next years. Our current intention is to reinvest any earnings in our business long-term growth. Any future determination by us to pay dividends will be at the discretion of our board of directors and in accordance with the terms and conditions of any outstanding indebtedness and will depend on our financial condition, results of operations, capital requirements and such other functions as our board of directors considers relevant.

ITEM 9. OFFER AND LISTING

Not Applicable, except for Item 9A (4) and Item 9C.

Our subordinate voting shares have been quoted on the NASDAQ National Market under the symbol EXFO and listed on The Toronto Stock Exchange under the symbol EXF.SV since our initial public offering on June 29, 2000. Prior to that time, there was no public market for our subordinate voting shares. The following table sets forth, for the periods indicated, the high and low closing sales prices per subordinate voting share as reported on the NASDAQ National Market and the Toronto Stock Exchange.

On January 12, 2005, the last reported sale price for our subordinate voting shares on the NASDAQ National Market was US$4.90 per share and the last reported sale price for our subordinate voting shares on the Toronto Stock Exchange was CA$5.93 per share.

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                                             NASDAQ (US$)           TSX (CDN$)
                                          HIGH        LOW        HIGH        LOW

June 29, 2000 to August 31, 2000         85.25      40.44      125.25      60.25
September 1, 2000 to August 31, 2001     57.75      11.80       85.00      17.82
September 1, 2001 to August 31, 2002     15.00       1.35       23.80       2.05
September 1, 2002 to August 31, 2003      3.63       1.40        5.60       2.30
September 1, 2003 to August 31, 2004      7.09       2.71        9.15       3.75


2003 1st Quarter                          3.53       1.40        5.40       2.30
2003 2nd Quarter                          3.63       2.07        5.60       3.15
2003 3rd Quarter                          3.13       1.94        4.28       2.86
2003 4th Quarter                          3.00       2.52        4.11       3.47


2004 1st Quarter                          4.26       2.71        5.53       3.75
2004 2nd Quarter                          7.09       3.29        9.15       4.40
2004 3rd Quarter                          5.23       4.08        6.90       5.68
2004 4th Quarter                          5.38       4.11        6.95       5.50

2005 1st Quarter                          5.51       4.27        6.90       5.73

2004 July                                 5.38       4.44        6.95       5.95
2004 August                               4.71       4.19        6.16       5.50
2004 September                            4.80       4.27        6.08       5.73
2004 October                              5.51       4.81        6.90       6.02
2004 November                             5.49       5.06        6.70       5.95
2004 December                             5.15       4.29        6.15       5.35

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ITEM 10. ADDITIONAL INFORMATION

A. SHARE CAPITAL

Not Applicable

B. MEMORANDUM AND ARTICLES OF ASSOCIATION

Incorporated by reference to our registration statement on Form F-1 (Reg. No. 333-38956).

C. MATERIAL CONTRACTS

Except as otherwise disclosed in this annual report and our financial statements and notes included elsewhere in this annual report, we have no other material contracts.

D. EXCHANGE CONTROLS

Subject to the following paragraph, there is no law or governmental decree or regulation in Canada that restricts the export or import of capital, or affects the remittance of dividends, interest or other payments to non-resident holders of our subordinate voting shares, other than withholding tax requirements.

There is no limitation imposed by Canadian law or by our articles of incorporation or our other charter documents on the right of a non-resident to hold or vote subordinate voting shares, other than as provided by the INVESTMENT CANADA ACT, the NORTH AMERICAN FREE TRADE AGREEMENT IMPLEMENTATION ACT (Canada) and the WORLD TRADE ORGANIZATION AGREEMENT IMPLEMENTATION ACT. The INVESTMENT CANADA ACT requires notification and, in certain cases, advance review and approval by the Government of Canada of an investment to establish a new Canadian business by a non-Canadian or of the acquisition by a "non-Canadian" of "control" of a "Canadian business", all as defined in the INVESTMENT CANADA ACT. Generally, the threshold for review will be higher in monetary terms for a member of the World Trade Organization or North American Free Trade Agreement.

E. TAXATION

UNITED STATES TAXATION

The information set forth below under the caption "United States Taxation" is a summary of the material U.S. federal income tax consequences of the ownership and disposition of subordinate voting shares by a U.S. Holder, as defined below. These discussions are not a complete analysis or listing of all of the possible tax consequences of such transactions and do not address all tax considerations that may be relevant to particular holders in light of their personal circumstances or to persons that are subject to special tax rules. In particular, the information set forth under the caption "United States Taxation" deals only with U.S. Holders that hold subordinate voting shares as capital assets within the meaning of Section 1221 of the Internal Revenue Code of 1986, as amended, and who do not at any time own individually, nor are treated as owning 10% or more of the total combined voting power of all classes of our stock entitled to vote. In addition, this description of U.S. tax consequences does not address the tax treatment of special classes of U.S. Holders, such as financial institutions, regulated investment companies, traders in securities who elect to mark-to-market their securities, tax-

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exempt entities, insurance companies, partnerships, persons holding subordinate voting shares as part of a hedging, integrated or conversion transaction or as part of a "straddle," U.S. expatriates, persons subject to the alternative minimum tax, persons who acquired their subordinate voting shares through the exercise or cancellation of employee stock options or otherwise as compensation for services, dealers or traders in securities or currencies and holders whose "functional currency" is not the U.S. dollar. This summary does not address estate and gift tax consequences or tax consequences under any foreign, state or local laws other than as provided in the section entitled "Canadian Federal Income Tax Considerations" provided below.

As used in this section, the term "U.S. Holder" means a beneficial owner of subordinate voting shares that is for U.S. federal income tax puposes:

(a) an individual citizen or resident of the United States;
(b) a corporation created or organized under the laws of the United States or any state thereof and the District of Columbia;
(c) an estate the income of which is subject to United States federal income taxation regardless of its source;
(d) a trust if (1) a court within the United States is able to exercise primary jurisdiction over its administration and one or more U.S. persons have authority to control all substantial decisions of the trust or (2) the trust has a valid election in effect under applicable U.S. Treasury regulations to be treated as a U.S. person; or
(e) any other person whose worldwide income or gain is otherwise subject to U.S. federal income taxation on a net income basis;

If a partnership or other flow-through entity holds subordinate voting shares, the U.S. federal income tax treatment of a partner will generally depend upon the status of the partner or other owner and upon the activities of the partnership or other flow-through entity. If you are a partner of a partnership holding subordinate voting shares, you should consult your tax advisor.

Holders of subordinate voting shares who are not U.S. Holders, sometimes referred to as "Non-U.S. Holders", should also consult their own tax advisors, particularly as to the applicability of any tax treaty.

The following discussion is based upon:

o the Internal Revenue Code;
o U.S. judicial decisions;
o administrative pronouncements;
o existing and proposed Treasury regulations; and
o the Canada -- U.S. Income Tax Treaty.

Any of the above is subject to change, possibly with retroactive effect, so as to result in U.S. federal income tax consequences different from those discussed below. We have not requested, and will not request, a ruling from the U.S. Internal Revenue Service with respect to any of the U.S. federal income tax consequences described below, and as a result, there can be no assurance that the U.S. Internal Revenue Service will not disagree with or challenge any of the conclusions we have reached and describe here.

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The following discussion is for general information only and is not intended to be, nor should it be construed to be, legal or tax advice to any holder of subordinate voting shares and no opinion or representation with respect to the U.S. federal income tax consequences to any holder is made. Holders of subordinate voting shares are urged to consult their tax advisors as to the particular consequences to them under U.S. federal, state, local and applicable foreign tax laws of the acquisition, ownership and disposition of subordinate voting shares.

DIVIDENDS

Subject to the discussion of passive foreign investment companies below, the gross amount of any distribution paid by us to a U.S. Holder will generally be subject to U.S. federal income tax as foreign source dividend income to the extent paid out of our current or accumulated earnings and profits, as determined under U.S. federal income tax principles. Such income will be includable in the gross income of a U.S. Holder on the day received by the U.S. Holder. The amount of any distribution of property other than cash will be the fair market value of such property on the date of the distribution. In the case of a taxable corporate U.S. Holder, such dividends will be taxable as ordinary income and will not be eligible for the corporate dividends received deduction, which is generally allowed to U.S. corporate shareholders on dividends received from a domestic corporation. In the case of an individual U.S. Holder, under recently enacted tax legislation such dividends should generally be eligible for a maximum tax rate of 15% for dividends received before January 1, 2009, provided such holder holds the subordinate voting shares for at least 60 days and certain other conditions are satisfied, including, as we believe to be the case, that we are not a "passive foreign investment company" To the extent that an amount received by a U.S. Holder exceeds such holder's allocable share of our current and accumulated earnings and profits, such excess will be applied first to reduce such U.S. Holder's tax basis in his subordinate voting shares, thereby increasing the amount of gain or decreasing the amount of loss recognized on a subsequent disposition of the subordinate voting shares. Then, to the extent such distribution exceeds such U.S. Holder's tax basis, it will be treated as capital gain. We do not currently maintain calculations of our earnings and profits for U.S. federal income tax purposes.

The gross amount of distributions paid in Canadian dollars, or any successor or other foreign currency, will be included in the income of such U.S. Holder in a U.S. dollar amount calculated by reference to the spot exchange rate in effect on the day the distributions are paid regardless of whether the payment is in fact converted into U.S. dollars. If the Canadian dollars, or any successor or other foreign currency, are converted into U.S. dollars on the date of the payment, the U.S. Holder should not be required to recognize any foreign currency gain or loss with respect to the receipt of Canadian dollars as distributions. If, instead, the Canadian dollars are converted at a later date, any currency gains or losses resulting from the conversion of the Canadian dollars will be treated as U.S. source ordinary income or loss for foreign tax credit purposes. U.S. Holders are urged to consult their own tax advisors concerning the U.S. tax consequences of acquiring, holding and disposing of Canadian dollars.

A U.S. Holder may be entitled to deduct, or claim a foreign tax credit for, Canadian taxes that are withheld on dividends received by the U.S. Holder, subject to applicable limitations in the Code. Any amounts recognized as dividends will generally constitute foreign source "passive income" or, in the case of certain U.S. Holders, "financial services income" for U.S. foreign tax credit purposes. A U.S. Holder will have a basis in any Canadian dollars distributed equal to their U.S. dollar value on the payment date. The rules governing the foreign tax credit are complex, and additional limitations on the credit apply to individuals receiving dividends from foreign corporations if the dividends are eligible for the 15% maximum tax rate on dividends

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described above. U.S. Holders are urged to consult their tax advisors regarding the availability of the foreign tax credit under their particular circumstances.

A Non-U.S. Holder of subordinate voting shares generally will not be subject to U.S. federal income or withholding tax on dividends received on subordinate voting shares unless such income is effectively connected with the conduct by such Non-U.S. Holder of a trade or business in the United States.

SALE OR EXCHANGE

A U.S. Holder's initial tax basis in the subordinate voting shares will generally be cost to the holder. A U.S. Holder's adjusted tax basis in the subordinate voting shares will generally be the same as cost, but may differ for various reasons including the receipt by such holder of a distribution that was not made up wholly of earnings and profits as described above under the heading "Dividends." Subject to the discussion of passive foreign investment companies below, gain or loss realized by a U.S. Holder on the sale or other disposition of subordinate voting shares will be subject to U.S. federal income taxation as capital gain or loss in an amount equal to the difference (if any) between the U.S. Holder's adjusted tax basis (determined in U.S. dollars) in the subordinate voting shares and the U.S. dollar value of the amount realized on the disposition of such subordinate voting shares. Capital gains of non-corporate taxpayers, including individuals, derived with respect to a sale, exchange or other disposition prior to January 1, 2009 of subordinate voting shares held for more than one year are subject to a maximum federal income tax rate of 15%. The deductibility of capital losses is subject to limitations. In the case of a non-corporate U.S. Holder, the federal tax rate applicable to capital gains will depend upon:

o the holder's holding period for the subordinate voting shares, with a preferential rate available for subordinate voting shares held for more than one year; and

o the holder's marginal tax rate for ordinary income.

Any gain realized will generally be treated as U.S. source gain and loss realized by a U.S. Holder generally also will be treated as from sources within the United States.

The ability of a U.S. Holder to utilize foreign taxes as a credit to offset U.S. taxes is subject to complex limitations and conditions. The consequences of the separate limitation calculation will depend upon the nature and sources of each U.S. Holder's income and the deductions allocable thereto. Alternatively, a U.S. Holder may elect to claim all foreign taxes paid as an itemized deduction in lieu of claiming a foreign tax credit. A deduction does not reduce U.S. tax on a dollar-for-dollar basis like a tax credit, but the availability of the deduction is not subject to the same conditions and limitations applicable to foreign tax credits.

If a U.S. Holder receives any foreign currency on the sale of subordinate voting shares, such U.S. Holder may recognize ordinary income or loss as a result of currency fluctuations between the date of the sale of subordinate voting shares and the date the sale proceeds are converted into U.S. dollars.

A Non-U.S. Holder of subordinate voting shares generally will not be subject to U.S. federal income or withholding tax on any gain realized on the sale or exchange of such subordinate voting shares unless:

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o such gain is effectively connected with the conduct by such Non-U.S. Holder of a trade or business in the United States; or

o in the case of any gain realized by an individual Non-U.S. Holder, such Non-U.S. Holder is present in the United States for 183 days or more in the taxable year of such sale and certain other conditions are met.

Personal Holding Company

We could be classified as a personal holding company for U.S. federal income tax purposes if both of the following tests are satisfied:

o if at any time during the last half of our taxable year, five or fewer individuals own or are deemed to own more than 50% of the total value of our shares; and

o we receive 60% or more of our U.S. related gross income from specified passive sources, such as royalty payments.

A personal holding company is taxed on a portion of its undistributed U.S. source income, including specific types of foreign source income which are connected with the conduct of a U.S. trade or business, to the extent this income is not distributed to shareholders. We do not believe we are a personal holding company presently and we do not expect to become one. However, we can not assure you that we will not qualify as a personal holding company in the future.

PASSIVE FOREIGN INVESTMENT COMPANY

We believe that our subordinate voting shares should not currently be treated as stock of a passive foreign investment company for United States federal income tax purposes, but this conclusion is a factual determination made annually and thus may be subject to change based on future operations and composition and valuation of our assets. In general, we will be a passive foreign investment company with respect to a U.S. Holder if, for any taxable year in which the U.S. Holder holds our subordinate voting shares, either:

o at least 75% of our gross income for the taxable year is passive income; or

o at least 50% of the average value of our assets is attributable to assets that produce or are held for the production of passive income.

For this purpose, passive income includes income such as:

o dividends;

o interest;

o rents or royalties, other than certain rents or royalties derived from the active conduct of trade or business;

o annuities; or

o gains from assets that produce passive income.

If a foreign corporation owns at least 25% by value of the stock of another corporation, the foreign corporation is treated for purposes of the passive foreign investment company tests as owning its proportionate share of the assets of the other corporation and as receiving directly its proportionate share of the other corporation's income.

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If we are treated as a passive foreign investment company, a U.S. Holder that did not make a qualified electing fund election or, if available, a mark-to-market election, as described below, would be subject to special rules with respect to:

o any gain realized on the sale or other disposition of subordinate voting shares; and

o any "excess distribution" by us to the U.S. Holder.

Generally, "excess distributions" are any distributions to the U.S. Holder in respect of the subordinate voting shares during a single taxable year that are greater than 125% of the average annual distributions received by the U.S. Holder in respect of the subordinate voting shares during the three preceding taxable years or, if shorter, the U.S. Holder's holding period for the subordinate voting shares.

Under the passive foreign investment company rules,

o the gain or excess distribution would be allocated ratably over the U.S. Holder's holding period for the subordinate voting shares;

o the amount allocated to the taxable year in which the gain or excess distribution was realized would be taxable as ordinary income;

o the amount allocated to each prior year, with certain exceptions, would be subject to tax at the highest tax rate in effect for that year; and

o the interest charge generally applicable to underpayments of tax would be imposed in respect of the tax attributable to each such year.

A U.S. Holder owning actually or constructively "marketable stock" of a passive foreign investment company may be able to avoid the imposition of the passive foreign investment company tax rules described above by making a mark-to-market election. Generally, pursuant to this election, such holder would include in ordinary income, for each taxable year during which such stock is held, an amount equal to the increase in value of the stock, which increase will be determined by reference to the value of such stock at the end of the current taxable year compared with their value as of the end of the prior taxable year. Holders desiring to make the mark-to-market election should consult their tax advisors with respect to the application and effect of making such election.

In the case of a U.S. Holder who does not make a mark-to-market election, the special passive foreign investment company tax rules described above will not apply to such U.S. Holder if the U.S. Holder makes an election to have us treated as a qualified electing fund and we provide certain required information to holders. For a U.S. Holder to make a qualified electing fund election, we would have to satisfy certain reporting requirements. We have not determined whether we will undertake the necessary measures to be able to satisfy such requirements in the event that we were treated as a passive foreign investment company.

A U.S. Holder that makes a qualified electing fund election will be currently taxable on its pro rata share of our ordinary earnings and net capital gain, at ordinary income and capital gains rates, respectively, for each of our taxable years, regardless of whether or not distributions were received. The U.S. Holder's basis in the subordinate voting shares will be increased to reflect taxed but undistributed income. Distributions of income that had previously been taxed will result in a corresponding reduction of basis in the subordinate voting shares and will not be taxed again as a distribution to the U.S. Holder. U.S. Holders desiring to make a

95

qualified electing fund election should consult their tax advisors with respect to the advisability of making such election.

UNITED STATES BACKUP WITHHOLDING AND INFORMATION REPORTING

A U.S. Holder will generally be subject to information reporting with respect to dividends paid on, or proceeds of the sale or other disposition of, our subordinate voting shares that are paid within the United States or through some U.S. related financial intermediaries to U.S. Holders, unless the U.S. Holder is a corporation or comes within certain other categories of exempt recipients. A U.S. Holder that is not an exempt recipient will generally be subject to backup withholding with respect to the proceeds from the sale or the disposition of, or with respect to dividends on, subordinate voting shares unless the U.S. Holder provides a taxpayer identification number and otherwise complies with applicable requirements of the backup withholding rules. In addition, backup withholding may apply if the U.S. Holder fails to provide an accurate taxpayer identification number, or to report interest and dividends required to be shown on its federal income tax returns. Backup withholding is not an additional tax. Any amount withheld under these rules will be creditable against the U.S. Holder's U.S. federal income tax liability or refundable to the extent that it exceeds such liability. A U.S Holder who does not provide a correct taxpayer identification number may be subject to penalties imposed by the United States Internal Revenue Service.

Non-U.S. Holders will generally be subject to information reporting and possible backup withholding with respect to the proceeds of the sale or other disposition of subordinate voting shares effected within the United States, unless the holder certifies to its foreign status or otherwise establishes an exemption and the broker does not have actual knowledge or reason to know that the holder is a U.S. holder. Payments of dividends on or proceeds from the sale of subordinate voting shares within the United States by a payor within the United States to a non-exempt U.S. or Non-U.S. Holder will be subject to backup withholding if such holder fails to provide appropriate certification. In the case of such payments by a payor within the United States to a foreign partnership other than a foreign partnership that qualifies as a "withholding foreign partnership" within the meaning of such Treasury regulations, the partners of such partnership will be required to provide the certification discussed above in order to establish an exemption from backup withholding tax and information reporting requirements.

CANADIAN FEDERAL INCOME TAX CONSIDERATIONS

The following is a summary of the material Canadian federal income tax considerations generally applicable to a U.S. person who holds subordinate voting shares and who, for the purposes of the INCOME TAX ACT (Canada) (the "ITA"), and the CANADA-UNITED STATES INCOME TAX CONVENTION (1980) (the "Convention"), as applicable and at all relevant times:

o is resident in the United States and not resident in Canada,

o holds the subordinate voting shares as capital property,

o does not have a "permanent establishment" or "fixed base" in Canada, as defined in the Convention; and

o deals at arm's length with us. Special rules, which are not discussed below, may apply to "financial institutions", as defined in the ITA, and to non-resident insurers carrying on an insurance business in Canada and elsewhere.

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This discussion is based on the current provisions of the ITA and the Convention and on the regulations promulgated under the ITA, all specific proposals to amend the ITA or the regulations promulgated under the ITA announced by or on behalf of the Canadian Minister of Finance prior to the date of this annual report and the current published administrative practices of the Canada Customs and Revenue Agency. It does not otherwise take into account or anticipate any changes in law or administrative practice nor any income tax laws or considerations of any province or territory of Canada or any jurisdiction other than Canada, which may differ from the Canadian federal income tax consequences described in this document.

Under the ITA and the Convention, dividends paid or credited, or deemed to be paid or credited, on the subordinate voting shares to a U.S. person who owns less than 10% of the voting shares will be subject to Canadian withholding tax at the rate of 15% of the gross amount of those dividends or deemed dividends. If a U.S. person is a corporation and owns 10% or more of the voting shares, the rate is reduced from 15% to 5%. Subject to specified limitations, a U.S. person may be entitled to credit against U.S. federal income tax liability for the amount of tax withheld by Canada.

Under the Convention, dividends paid to specified religious, scientific, charitable and similar tax exempt organizations and specified organizations that are resident and exempt from tax in the United States and that have complied with specified administrative procedures are exempt from this Canadian withholding tax.

A capital gain realized by a U.S. person on a disposition or deemed disposition of the subordinate voting shares will not be subject to tax under the ITA unless the subordinate voting shares constitute taxable Canadian property within the meaning of the ITA at the time of the disposition or deemed disposition. In general, the subordinate voting shares will not be "taxable Canadian property" to a U.S. person if they are listed on a prescribed stock exchange, which includes The Toronto Stock Exchange, unless, at any time within the five-year period immediately preceding the disposition, the U.S. person, persons with whom the U.S. person did not deal at arm's length, or the U.S. person together with those persons, owned or had an interest in or a right to acquire more than 25% of any class or series of our shares.

If the subordinate voting shares are taxable Canadian property to a U.S. person, any capital gain realized on a disposition or deemed disposition of those subordinate voting shares will generally be exempt from tax by virtue of the Convention if the value of the subordinate voting shares at the time of the disposition or deemed disposition is not derived principally from real property, as defined by the Convention, situated in Canada. The determination as to whether Canadian tax would be applicable on a disposition or deemed disposition of the subordinate voting shares must be made at the time of the disposition or deemed disposition.

Holders of subordinate voting shares are urged to consult their own tax advisors to determine the particular tax consequences to them, including the application and effect of any state, local or foreign income and other tax laws, of the acquisition, ownership and disposition of subordinate voting shares.

97

F. DIVIDENDS AND PAYING AGENTS

Not Applicable.

G. STATEMENT BY EXPERTS

Not Applicable.

H. DOCUMENTS ON DISPLAY

Any statement in this annual report about any of our contracts or other documents is not necessarily complete. If the contract or document is filed as an exhibit to the registration statement, the contract or document is deemed to modify the description contained in this annual report. You must review the exhibits themselves for a complete description of the contract or document.

You may review a copy of our filings with the SEC, including exhibits and schedules filed with it, at the SEC's public reference facilities in Room 1024, Judiciary Plaza, 450 Fifth Street, N.W., Washington, D.C. 20549 and at the regional offices of the SEC located at 233 Broadway, New York, New York 10279 and at the Northwestern Atrium Center, 500 West Madison Street, Suite 1400, Chicago, Illinois 60661. You may also obtain copies of such materials from the Public Reference Section of the SEC, Room 1024, Judiciary Plaza, 450 Fifth Street, N.W., Washington, D.C. 20549, at prescribed rates. You may call the SEC at 1-800-SEC-0330 for further information on the public reference rooms. The SEC maintains a Web site (HTTP://WWW.SEC.GOV) that contains reports, proxy and information statements and other information regarding registrants that file electronically with the SEC. Although we make many of our filings with the SEC electronically as a foreign private issuer, we are not obligated to do so.

You may read and copy any reports, statements or other information that we file with the SEC at the addresses indicated above and you may also access them electronically at the Web site set forth above. These SEC filings are also available to the public from commercial document retrieval services.

We are required to file reports and other information with the SEC under the Securities Exchange Act of 1934. Reports and other information filed by us with the SEC may be inspected and copied at the SEC's public reference facilities described above. As a foreign private issuer, we are exempt from the rules under the Exchange Act prescribing the furnishing and content of proxy statements and our officers, directors and principal shareholders are exempt from the reporting and short-swing profit recovery provisions contained in
Section 16 of the Exchange Act. Under the Exchange Act, as a foreign private issuer, we are not required to publish financial statements as frequently or as promptly as United States companies.

I. SUBSIDIARY INFORMATION

See Item 4.C. of this annual report.

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ITEM 11. QUALITATIVE AND QUANTITATIVE DISCLOSURES ABOUT MARKET RISK

MARKET RISK

CURRENCY RISK

Our functional currency is the Canadian dollar. We are exposed to currency risk as a result of the export of our products manufactured in Canada, substantially all of which are denominated in US dollars. Our exposure to foreign exchange rate fluctuations is partially hedged by operating expenses of certain international subsidiaries and the purchase of raw materials in US dollars. In addition, we frequently enter into forward exchange contracts to sell US dollars at fixed forward rates in exchange for Canadian dollars. We enter into such contracts to manage the risk of exchange rate fluctuations between the Canadian and US dollars on cash flows related to anticipated future revenue streams denominated in US dollars. We do not enter into forward exchange contracts for trading purposes.

The following table summarizes the forward exchange contracts in effect as at August 31, 2004, classified by expected transaction dates, none of which exceed three years, as well as the notional amounts of such contracts (in thousands of US dollars) along with the weighted average contractual forward rates under such contracts. The notional amounts of such contracts are used to calculate the contractual payments to be made under these contracts.

YEARS ENDING AUGUST 31,

                                                      2005        2006      2007
                                                  --------    --------   -------
Forward exchange contracts to sell US dollars
in exchange for Canadian dollars ...............  $  7,480    $  7,000   $ 1,400

Contractual amounts
Weighted average contractual exchange rates.....    1.5427      1.3621    1.3628

FAIR VALUE

The fair value of these contracts as at August 31, 2004, based on the current trading value, amounted to CA$20,371,000 compared to their contractual value of CA$22,982,000.

INTEREST RATE RISK

We are exposed to the impact of interest rate changes and changes in the market values of our available-for-sale securities. We do not use derivative financial instruments for our available-for-sale securities. Our available-for-sale securities consist of debt instruments issued by high-credit quality corporations and trusts. These debt instruments bear interest at fixed rates and may have their fair market value adversely impacted due to a rise in interest rates. However, due to their very short-term maturity, we consider this risk to be insignificant.

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ITEM 12. DESCRIPTION OF SECURITIES OTHER THAN EQUITY SECURITIES.

Not Applicable.

PART II.

ITEM 13. DEFAULTS, DIVIDENDS ARREARAGES AND DELINQUENCIES

Not Applicable.

ITEM 14. MATERIAL MODIFICATIONS TO THE RIGHTS OF SECURITY HOLDERS AND
USE OF PROCEEDS

Not Applicable.

ITEM 15. CONTROLS AND PROCEDURES

Prior to the adoption of the SARBANES-OXLEY ACT OF 2002, we maintained formal and informal procedures that were designed to ensure that we comply with disclosure obligations and that there is a flow of important information to the appropriate collection and disclosure points in a timely manner.

The evaluation of our disclosure controls and procedures, which occurred on January 10, 2005, was supervised and reviewed by our senior management. In doing so, they considered the controls and procedures that we have implemented, and evaluated the existence of any material weaknesses or deficiencies that would significantly and adversely affect our ability to collect, process record or disclose required information on a timely basis, all in the context of our relatively small size (649 employees as of December 15, 2004), and the hands-on role that is played by our chief executive officer and our chief financial officer in our day-to-day operations. As a result, our chief executive officer and our chief financial officer have concluded that the procedures and controls that we have implemented ensure timely collection and evaluation of information potentially subject to disclosure under applicable securities laws, and that such procedures and controls capture information that is relevant to an assessment of the need to disclose developments and risks that pertain to our business.

Finally, we confirm that there were no significant changes in our internal control over financial reporting or in other factors that would significantly affect our internal control over financial reporting subsequent to the date of its evaluation.

ITEM 16. [RESERVED]

ITEM 16A. AUDIT COMMITTEE FINANCIAL EXPERT

Our board of directors has determined that Mr. Andre Tremblay, CA, chairman of our audit committee is an audit committee financial expert. Mr. Tremblay is independent of management.

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ITEM 16B. CODE OF ETHICS

In 2003, we adopted a code of ethics that applies to our chief executive officer, our chief financial officer and our manager of financial reporting and accounting. A copy of this code of ethics has been filed as exhibit 11.1 to this annual report. As reported at item 7B of this annual report, previous to the coming into force of the requirement for a code of ethics, we had entered into a lease agreement with G. Lamonde Investissements financiers inc., a company controlled by our chief executive officer, for premises located at 465 Godin Avenue in Vanier, Quebec and on September 1, 2004, we were released from our obligations under this lease with a final payment of $194,000. In addition, in September 2002, we acquired from G. Lamonde Investissements financiers inc. the building located at 436 Nolin Street. The purchase price paid was based on an independent third party valuation and the transaction was approved by our audit committee and board of directors with Mr. Lamonde abstaining.

ITEM 16C. PRINCIPAL ACCOUNTANT FEES AND SERVICES

AUDIT FEES

During the financial years ended August 31, 2003 and August 31, 2004, our principal accountant, PricewaterhouseCoopers LLP, billed us aggregate amounts of $202,459 and $189,000 respectively for the audit of our annual financial statements and services in connection with statutory and regulatory filings.

AUDIT-RELATED FEES

Not applicable.

TAX FEES

During the financial years ended August 31, 2003 and August 31, 2004, our principal accountant, PricewaterhouseCoopers LLP, billed us aggregate amounts of $233,660 and $301,000 respectively for services related to tax compliance, tax advice and tax planning.

ALL OTHER FEES

Not applicable.

AUDIT COMMITTEE PRE-APPROVAL POLICIES AND PROCEDURES

On September 25, 2002, our audit committee adopted a policy requiring prior approval by the audit committee of the annual audit plan and fees. In the event any adjustments to audit fees may be required during the course of a financial year, such adjustments shall be approved by the chairman of the audit committee, acting alone, and shall be reported to the full audit committee at its next meeting.

In the case of non-audit fees (excluding tax matters), the policy provides that proposals shall be submitted to the chairman of the audit committee and our chief financial officer at the same time and the chairman of the audit committee will be responsible for approval of such proposal, subject to any modifications that he may require. The chairman will make a report to the full audit committee at its next meeting.

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As concerns tax services to be provided by our principal accountant, our policy provides that the principal accountant will present to the audit committee for pre-approval, on or before the beginning of each financial year, an engagement for tax matters that are foreseeable for the upcoming year and the audit committee shall be responsible for pre-approval thereof, subject to any modifications it may make to such proposals. In the event tax services are required that were not pre-approved by the audit committee, the procedure set forth in the previous paragraph will apply.

During the financial year ended on August 31, 2004, 100% of tax fees were approved by the audit committee pursuant to this policy. During the financial year ended on August 31, 2004, only full-time permanent employees of our principal accountant, PricewaterhouseCoopers LLP, performed work to audit our financial statements.

ITEM 16D. EXEMPTIONS FROM THE LISTING STANDARDS FOR AUDIT COMMITTEES

Not Applicable.

ITEM 16E. PURCHASES OF EQUITY SECURITIES BY THE ISSUER AND AFFILIATED
PURCHASERS

Not Applicable.

PART III.

ITEM 17. FINANCIAL STATEMENTS

Not Applicable.

ITEM 18. FINANCIAL STATEMENTS

See pages F-2 to F-46.

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ITEM 19.          EXHIBITS

NUMBER                             EXHIBIT
------   -----------------------------------------------------------------------
 1.1     Amended Articles of Incorporation of EXFO (incorporated by reference to
         Exhibit 3.1 of EXFO's Registration Statement on Form F-1, File No.
         333-38956).

 1.2     Amended By-laws of EXFO (incorporated by reference to Exhibit 1.2 of
         EXFO's annual report on Form-20F dated January 15, 2003).

 1.3     Amended and Restated Articles of Incorporation of EXFO (incorporated by
         reference to Exhibit 1.3 of EXFO's annual report on Form 20-F dated
         January 18, 2001).

 2.1     Form of Subordinate Voting Share Certificate (incorporated by reference
         to Exhibit 4.1 of EXFO's Registration Statement on Form F-1, File No.
         333-38956).

 2.2     Form of Registration Rights Agreement between EXFO and Germain Lamonde
         dated July 6, 2000 ) (incorporated by reference to Exhibit 10.13 of
         EXFO's Registration Statement on Form F-1, File No. 333-38956).

 3.1     Form of Trust Agreement among EXFO, Germain Lamonde, GEXFO
         Investissements Technologiques inc., Fiducie Germain Lamonde and G.
         Lamonde Investissements Financiers inc. (incorporated by reference to
         Exhibit 4.2 of EXFO's Registration Statement on Form F-1, File No.
         333-38956).

 4.1     Agreement of Merger and Plan of Reorganization, dated as of November 4,
         2000, by and among EXFO, EXFO Sub, Inc., EXFO Burleigh Instruments,
         Inc., Robert G. Klimasewki, William G. May, Jr., David J. Farrell and
         William S. Gornall (incorporated by reference to Exhibit 4.1 of EXFO's
         annual report on Form 20-F dated January 18, 2001)

 4.2     Amendment No. 1 to Agreement of Merger and Plan of Agreement, dated as
         of December 20, 2000, by and among EXFO, EXFO Sub, Inc., EXFO Burleigh
         Instruments, Inc., Robert G. Klimasewski, William G. May, Jr., David J.
         Farrell and William S. Gornall (incorporated by reference to Exhibit
         4.2 of EXFO's annual report on Form 20-F dated January 18, 2001).

 4.3     Agreement of Merger, dated as of August 20, 2001, by and among EXFO,
         Buyer Sub, and Avantas Networks Corporation and Shareholders of Avantas
         Networks corporation (incorporated by reference to Exhibit 4.3 of
         EXFO's annual report on Form 20-F dated January 18, 2002).

 4.4     Amendment No. 1 dated as of November 1, 2002 to Agreement of Merger,
         dated as of August 20, 2001, by and among EXFO, 3905268 Canada Inc.,
         Avantas Networks Corporation and Shareholders of Avantas Networks
         (incorporated by reference to Exhibit 4.4 of EXFO's annual report on
         Form 20-F dated January 18, 2002).

 4.5     Offer to purchase shares of Nortech Fibronic Inc., dated February 6,
         2000 among EXFO, Claude Adrien Noel, 9086-9314 Quebec inc., Michel
         Bedard, Christine Bergeron and Societe en Commandite Capidem Quebec
         Enr. and Certificate of Closing, dated February 7, 2000 among the same
         parties (including summary in English) (incorporated by reference to
         Exhibit 10.2 of EXFO's Registration Statement on Form F-1, File No.
         333-38956).

 4.6     Share Purchase Agreement, dated as of March 5, 2001, among EXFO
         Electro-Optical Engineering, Inc., John Kennedy, Glenn Harvey and EFOS
         Corporation (incorporated by reference to Exhibit 4.1 of EXFO's
         Registration Statement on Form F-3, File No. 333-65122).

 4.7     Amendment Number One, dated as of March 15, 2001, to Share Purchase
         Agreement, dated as of March 5, 2001, among EXFO Electro-Optical
         Engineering, Inc., John Kennedy, Glenn Harvey and EFOS Corporation.
         (incorporated by reference to Exhibit 4.2 of EXFO's Registration
         Statement on Form F-3, File No. 333-65122).

 4.8     Share Purchase Agreement, dated as of November 2, 2001 between JDS
         Uniphase Inc. and 3905268 Canada Inc. (incorporated by reference to
         Exhibit 4.8 of EXFO's annual report on Form 20-F dated January 18,
         2002).

 4.9     Intellectual Property Assignment and Sale Agreement between EFOS Inc.,
         EXFO Electro-Optical Engineering, Inc., John Kennedy, Glenn Harvey and
         EFOS Corporation. (incorporated by reference to Exhibit 4.3 of EXFO's
         Registration Statement on Form F-3, File No. 333-65122).

 4.10    Offer to acquire a building, dated February 23, 2000, between EXFO and
         Groupe Mirabau inc. and as accepted by Groupe Mirabau inc. on February
         24, 2000 (including summary in English) (incorporated by reference to
         Exhibit 10.3 of EXFO's Registration Statement on Form F-1, File No.
         333-38956).

 4.11    Lease Agreement, dated December 1, 1996, between EXFO and GEXFO
         Investissements Technologiques inc., as assigned to 9080-9823 Quebec
         inc. on September 1, 1999 (including summary in English) (incorporated
         by reference to Exhibit 10.4 of EXFO's Registration Statement on Form
         F-1, File No. 333-38956).

 4.12    Lease Agreement, dated March 1, 1996, between EXFO and GEXFO
         Investissements Technologiques inc., as assigned to 9080-9823 Quebec
         inc. on September 1, 1999 (including summary in English) (incorporated
         by reference to Exhibit10.5 of EXFO's Registration Statement on Form
         F-1, File No. 333-38956).

 4.13    Lease renewal of the existing leases between 9080-9823 Quebec inc. and
         EXFO, dated November 30,

103

NUMBER                             EXHIBIT
------   -----------------------------------------------------------------------
         2001(incorporated by reference to Exhibit 4.13 of EXFO's annual report
         on Form 20-F dated January 18, 2002).

 4.14    Loan Agreement between EXFO and GEXFO Investissements Technologiques
         inc., dated May 11, 1993, as assigned to 9080-9823 Quebec inc. on
         September 1, 1999 (including summary in English) (incorporated by
         reference to Exhibit 10.9 of EXFO's Registration Statement on Form F-1,
         File No. 333-38956).

 4.15    Resolution of the board of directors of EXFO, dated September 1, 1999,
         authorizing EXFO to acquire GEXFO Distribution Internationale inc. from
         GEXFO Investissements Technologiques inc. (including summary in
         English) (incorporated by reference to Exhibit 10.10 of EXFO's
         Registration Statement on Form F-1, File No. 333-38956).

 4.16    Form of Promissory Note of EXFO issued to GEXFO Investissements
         Technologiques inc. dated June 27, 2000 ) (incorporated by reference to
         Exhibit 10.12 of EXFO's Registration Statement on Form F-1, File No.
         333-38956).

 4.17    Term Loan Offer, dated March 28, 2000, among EXFO and National Bank of
         Canada as accepted by EXFO on April 3, 2000 (including summary in
         English) (incorporated by reference to Exhibit 10.11 of EXFO's
         Registration Statement on Form F-1, File No. 333-38956).

 4.18    Employment Agreement of Germain Lamonde dated May 29, 2000
         (incorporated by reference to Exhibit 10.15 of EXFO's Registration
         Statement on Form F-1, File No. 333-38956).

 4.19    Employment Agreement of Bruce Bonini dated as of September 1, 2000
         (incorporated by reference to Exhibit 4.24 of EXFO's annual report on
         Form 20-F dated January 18, 2002).

 4.20    Employment Agreement of Juan-Felipe Gonzalez dated as of September 1,
         2000 (incorporated by reference to Exhibit 4.25 of EXFO's annual report
         on Form 20-F dated January 18, 2002).

 4.21    Employment Agreement of David J. Farrell dated as of December 20, 2000
         (incorporated by reference to Exhibit 4.26 of EXFO's annual report on
         Form 20-F dated January 18, 2002).

 4.22    Deferred Profit Sharing Plan, dated September 1, 1998 (incorporated by
         reference to Exhibit 10.6 of EXFO's Registration Statement on Form F-1,
         File No. 333-38956).

 4.23    Stock Option Plan, dated May 25, 2000 (incorporated by Reference to
         Exhibit 10.7 of EXFO's Registration Statement on Form F-1, File No.
         333-38956).

 4.24    Share Plan, dated April 3, 2000 (incorporated by reference to Exhibit
         10.8 of EXFO's Registration Statement on Form F-1, File No. 333-38956).

 4.25    Directors' Compensation Plan (incorporated by reference to Exhibit
         10.17 of EXFO's Registration Statement on Form F-1, File No.
         333-38956).

 4.26    Restricted Stock Award Plan, dated December 20, 2000 (incorporated by
         reference to Exhibit 4.21 of EXFO's annual report on Form 20-F dated
         January 18, 2001).

 4.27    Asset Purchase Agreement by and Among EXFO Electro-Optical Engineering
         Inc., EXFO Gnubi Products Group Inc., gnubi communications, L.P., gnubi
         communications General Partner, LLC, gnubi communications Limited
         Partner, LLC, gnubi communications, Inc., Voting Trust created by The
         Irrevocable Voting Trust Agreement Among Carol Abraham Bolton, Paul
         Abraham and James Ray Stevens, James Ray Stevens and Daniel J. Ernst
         dated September 5, 2002 (incorporated by reference to Exhibit 4.30 of
         EXFO's annual report on Form 20-F dated January 15, 2003).

 4.28    EXFO Protocol Inc. Executive Employment Agreement with Sami Yazdi
         signed November 2, 2001 (incorporated by reference to Exhibit 4.28 of
         EXFO's annual report on Form 20-F dated January 15, 2003).

 4.29    Second Amending Agreement to the Employment Agreement of Bruce Bonini
         dated as of September 1, 2002, (incorporated by reference to Exhibit
         4.29 of EXFO's annual report on Form 20-F dated January 15, 2004).

 4.30    Severance and General Release Agreement with Bruce Bonini dated August
         8, 2003, (incorporated by reference to Exhibit 4.30 of EXFO's annual
         report on Form 20-F dated January 15, 2004)..

 4.31    Separation Agreement and General Release with Sami Yazdi dated April 1,
         2003, (incorporated by reference to Exhibit 4.31 of EXFO's annual
         report on Form 20-F dated January 15, 2004).

 4.32    Executive Employment Agreement of James Stevens dated as of October 4,
         2003, (incorporated by reference to Exhibit 4.32 of EXFO's annual
         report on Form 20-F dated January 15, 2004).

 4.33    Termination Terms for John Holloran Jr. dated May 28, 2003,
         (incorporated by reference to Exhibit 4.33 of EXFO's annual report on
         Form 20-F dated January 15, 2004).

 4.34    Employment Agreement of Pierre Plamondon dated as of September 1, 2002,
         (incorporated by reference to Exhibit 4.34 of EXFO's annual report on
         Form 20-F dated January 15, 2004).

 8.1     Subsidiaries of EXFO (list included in Item 4C of this annual report).

 11.1    Code of Ethics for senior financial officers, (incorporated by
         reference to Exhibit 11.1 of EXFO's annual report on Form 20-F dated
         January 15, 2004).

 12.1    Certification of the Chief Executive Officer Pursuant to Section 302 of
         the Sarbanes-Oxley Act of 2002.

 12.2    Certification of the Chief Executive Officer Pursuant to Section 906 of
         the Sarbanes-Oxley Act of 2002.

 13.1    Certification of the Chief Financial Officer Pursuant to Section 302 of
         the Sarbanes-Oxley Act of 2002.

 13.2    Certification of the Chief Financial Officer Pursuant to Section 906 of
         the Sarbanes-Oxley Act of 2002.

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SIGNATURES

The registrant hereby certifies that it meets all of the requirements for filing on Form 20 -F and that it has duly caused and authorized the undersigned to sign this annual report on its behalf.

EXFO ELECTRO-OPTICAL ENGINEERING INC.

By: /s/ Germain Lamonde
    ---------------------------------
Name:    Germain Lamonde
Title:   Chairman of the Board, President
         and Chief Executive Officer

Date:   January 13, 2005.

105

CERTIFICATIONS

I, Germain Lamonde, Chairman of the Board, President and Chief Executive Officer, certify that:

1. I have reviewed this annual report on Form 20-F of EXFO Electro-Optical Engineering Inc. ("EXFO");

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statement made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of EXFO as of, and for, the periods presented in this report;

4. EXFO's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) for EXFO and have:

a. Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to EXFO, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b. Evaluated the effectiveness of EXFO's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation;and

c. Disclosed in this report any change in EXFO's internal control over financial reporting that occurred during the period covered by the annual report that has materially affected, or is reasonably likely to materially affect, EXFO's internal control over financial reporting.

5. EXFO's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to EXFO's auditors and the audit committee of EXFO's board of directors (or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonable likely to adversely affect EXFO's ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in EXFO's internal control over financial reporting.

106

Date:    January 13, 2005.


/s/  Germain Lamonde
-------------------------------------
Germain Lamonde
Chairman of the Board,
President and Chief Executive Officer

Pursuant to section 906 of the Sarbanes-Oxley Act of 2002 (subsections (a) and
(b) of section 1350, chapter 63 of title 18, United States Code), the undersigned officer of EXFO, hereby certifies, to such officer's knowledge, that:

1. The annual report of Form 20-F for the year ended August 31, 2004 of EXFO fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2. The information contained in this annual report fairly presents, in all material respects, the financial condition and results of operations of EXFO.

Date:    January 13, 2005.



/s/  Germain Lamonde
-------------------------------------
Germain Lamonde
Chairman of the Board,
President and Chief Executive Officer

The foregoing certification is being furnished solely pursuant to section 906 of the Sarbanes-Oxley Act of 2002 (subsections (a) and (b) of section 1350, chapter 63 of title 18, United States Code) and is not being filed as part of the Report or as separate disclosure document.

107

I, Pierre Plamondon, Vice-President Finance and Chief Financial Officer, certify that:

1. I have reviewed this annual report on Form 20-F of EXFO Electro-Optical Engineering Inc. ("EXFO");

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statement made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of EXFO as of, and for, the periods presented in this report;

4. EXFO's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) for EXFO and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to EXFO, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Evaluated the effectiveness of EXFO's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation;

c) Disclosed in this report any change in EXFO's internal control over financial reporting that occurred during the period covered by the annual report that has materially affected, or is reasonably likely to materially affect, EXFO's internal control over financial reporting.

5. EXFO's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to EXFO's auditors and the audit committee of EXFO's board of directors (or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonable likely to adversely affect EXFO's ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in EXFO's internal control over financial reporting.

Date:    January 13, 2005.


/s/ Pierre Plamondon
---------------------------
Pierre Plamondon, CA
Vice-President Finance
and Chief Financial Officer

108

Pursuant to section 906 of the Sarbanes-Oxley Act of 2002 (subsections (a) and
(b) of section 1350, chapter 63 of title 18, United States Code), the undersigned officer of EXFO, hereby certifies, to such officer's knowledge, that:

1. The annual report of Form 20-F for the year ended August 31, 2004 of EXFO fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2. The information contained in this annual report fairly presents, in all material respects, the financial condition and results of operations of EXFO.

Date:    January 13, 2005.



/s/ Pierre Plamondon
---------------------------
Pierre Plamondon, CA
Vice-President Finance
and Chief Financial Officer

The foregoing certification is being furnished solely pursuant to section 906 of the Sarbanes-Oxley Act of 2002 (subsections (a) and (b) of section 1350, chapter 63 of title 18, United States Code) and is not being filed as part of the Report or as separate disclosure document.

109

REPORT OF INDEPENDENT AUDITORS

TO THE SHAREHOLDERS OF
EXFO ELECTRO-OPTICAL ENGINEERING INC.

We have audited the balance sheets of EXFO ELECTRO-OPTICAL ENGINEERING INC. as at August 31, 2004 and 2003 and the consolidated statements of earnings, deficits and contributed surplus and cash flows for each of the three years in the period ended August 31, 2004. These financial statements are the responsibility of the Company's management. Our responsibility is to express an opinion on these financial statements based on our audits.

We conducted our audits in accordance with Canadian generally accepted auditing standards and the standards of the Public Company Accounting Oversight Board (United States). Those standards require that we plan and perform an audit to obtain reasonable assurance whether the financial statements are free of material misstatement. An audit includes examining, on a test basis, evidence supporting the amounts and disclosures in the financial statements. An audit also includes assessing the accounting principles used and significant estimates made by management, as well as evaluating the overall financial statement presentation.

In our opinion, these consolidated financial statements present fairly, in all material respects, the financial position of the Company as at August 31, 2004 and 2003 and the results of its operations and its cash flows for each of the three years in the period ended August 31, 2004 in accordance with Canadian generally accepted accounting principles. Furthermore, in our opinion, the financial statement schedules on the changes in the allowance for doubtful accounts, in the warranty provision and in the valuation allowance of future income tax assets included in Form 20-F present fairly, in all material respects, the information set forth therein when read in conjunction with the related consolidated financial statements.

/s/ PricewaterhouseCoopers LLP

CHARTERED ACCOUNTANTS

Quebec, Quebec, Canada
September 30, 2004

COMMENTS BY AUDITORS FOR U.S. READERS ON CANADA-U.S. REPORTING DIFFERENCES

In the United States of America, reporting standards for auditors require the addition of an explanatory paragraph (following the opinion paragraph) when there are changes in accounting principles that have a material effect on the comparability of the Company's financial statements, such as the changes described in note 2 to the consolidated financial statements. Our report to the Shareholders dated September 30, 2004 is expressed in accordance with Canadian reporting standards which do not require a reference to such changes in accounting principles in the auditors' report when the changes are properly accounted for and adequately disclosed in the financial statements.

/s/ PricewaterhouseCoopers LLP

CHARTERED ACCOUNTANTS

Quebec, Quebec, Canada
September 30, 2004

FOR DISCUSSION WITH MANAGEMENT ONLY - SUBJECT TO AMENDMENT
NOT TO BE FURTHER COMMUNICATED

F-1

EXFO ELECTRO-OPTICAL ENGINEERING INC.
CONSOLIDATED BALANCE SHEETS

(in thousands of US dollars)

                                                                   AS AT AUGUST 31,
------------------------------------------------------------------------------------
                                                                   2004         2003
                                                              ---------    ---------
ASSETS

CURRENT ASSETS
Cash                                                          $   5,159    $   5,366
Short-term investments (notes 8 and 17)                          83,969       52,010
Accounts receivable (notes 8 and 17)
      Trade                                                      12,080        9,639
      Other                                                       1,532          834
Income taxes and tax credits recoverable (notes 4 and 8)          7,836        6,003
Inventories (notes 4, 5 and 8)                                   15,371       15,602
Prepaid expenses                                                  1,513        2,041
                                                              ---------    ---------

                                                                127,460       91,495

INCOME TAXES AND TAX CREDITS RECOVERABLE (notes 4 and 8)            449        1,377

PROPERTY, PLANT AND EQUIPMENT (notes 4, 6 and 8)                 15,442       21,862

LONG-LIVED ASSET HELD FOR SALE (note 4)                           1,600           --

INTANGIBLE ASSETS (notes 4, 7 and 8)                              9,447       13,847

GOODWILL (notes 4 and 7)                                         18,393       17,673
                                                              ---------    ---------

                                                              $ 172,791    $ 146,254
                                                              ---------    ---------

LIABILITIES

CURRENT LIABILITIES
Accounts payable and accrued liabilities (note 9)             $  11,393    $  12,026
Income taxes payable                                                 --        1,803
Deferred revenue                                                    805          148
Current portion of long-term debt                                   121          110
                                                              ---------    ---------

                                                                 12,319       14,087

DEFERRED REVENUE                                                  1,123          352

DEFERRED GRANTS (note 14)                                         1,690        1,536

LONG-TERM DEBT (note 10)                                            332          453
                                                              ---------    ---------

                                                                 15,464       16,428
                                                              ---------    ---------

COMMITMENTS (note 11)

CONTINGENCIES (note 12)

SHAREHOLDERS' EQUITY

Share capital (note 13)                                         521,733      492,452

Contributed surplus                                               1,986        1,519

Cumulative translation adjustment                                13,820        7,643

Deficit                                                        (380,212)    (371,788)
                                                              ---------    ---------

                                                                157,327      129,826
                                                              ---------    ---------

                                                              $ 172,791    $ 146,254
                                                              =========    =========

THE ACCOMPANYING NOTES ARE AN INTEGRAL PART OF THESE CONSOLIDATED FINANCIAL

STATEMENTS.

F-2

EXFO ELECTRO-OPTICAL ENGINEERING INC.
CONSOLIDATED STATEMENTS OF EARNINGS

(in thousands of US dollars, except share and per share data)

                                                                           YEARS ENDED AUGUST 31,
                                                                    -----------------------------------
                                                                         2004         2003         2002
                                                                    ---------    ---------    ---------
    SALES (note 18)                                                 $  74,630    $  61,930    $  68,330

    COST OF SALES(1,2)                                                 34,556       36,197       52,366
                                                                    ---------    ---------    ---------

    GROSS MARGIN                                                       40,074       25,733       15,964
                                                                    ---------    ---------    ---------

    OPERATING EXPENSES
    Selling and administrative(1)                                      25,890       26,991       33,881
    Net research and development(1)(notes 4 and 14)                    12,390       15,879       12,782
    Amortization of property, plant and equipment                       4,935        5,210        5,096
    Amortization of intangible assets                                   5,080        5,676       12,451
    Impairment of long-lived assets and goodwill (note 4)                 620        7,427       23,657
    Restructuring and other charges (note 4)                            1,729        4,134        2,880
                                                                    ---------    ---------    ---------

    TOTAL OPERATING EXPENSES                                           50,644       65,317       90,747
                                                                    ---------    ---------    ---------

    LOSS FROM OPERATIONS                                              (10,570)     (39,584)     (74,783)

    Interest and other income                                           1,438        1,245        1,456
    Foreign exchange loss                                                (278)      (1,552)        (458)
                                                                    ---------    ---------    ---------

    LOSS BEFORE INCOME TAXES AND AMORTIZATION
    AND WRITE-DOWN OF GOODWILL (note 15)                               (9,410)     (39,891)     (73,785)

    INCOME TAXES (note 15)                                               (986)      15,059      (25,451)
                                                                    ---------    ---------    ---------

    LOSS BEFORE AMORTIZATION AND WRITE-DOWN OF GOODWILL                (8,424)     (54,950)     (48,334)

    AMORTIZATION OF GOODWILL (note 2)                                      --           --       38,021

    WRITE-DOWN OF GOODWILL (note 4)                                        --           --      222,169
                                                                    ---------    ---------    ---------

    NET LOSS FOR THE YEAR                                           $  (8,424)   $ (54,950)   $(308,524)
                                                                    ---------    ---------    ---------

    BASIC AND DILUTED LOSS PER SHARE
    Loss before amortization and write-down of goodwill             $   (0.13)   $   (0.87)   $   (0.80)
    Net loss                                                        $   (0.13)   $   (0.87)   $   (5.09)

    BASIC WEIGHTED AVERAGE NUMBER OF SHARES OUTSTANDING (000's)        66,020       62,852       60,666

    DILUTED WEIGHTED AVERAGE NUMBER OF SHARES OUTSTANDING (000's)
    (note 16)                                                          66,615       63,317       60,966

(1) STOCK-BASED COMPENSATION COSTS INCLUDED IN: (note 2)

    Cost of sales

                                                                    $      62    $      --    $      --
    Selling and administrative                                            265           --           --
    Net research and development                                          122           --           --
                                                                    ---------    ---------    ---------
                                                                    $     449    $      --    $      --
                                                                    =========    =========    =========

(2) Including inventory write-offs of nil, $4,121 and $18,463 for the years ended August 31, 2004, 2003
    and 2002, respectively (note 4). The cost of sales is exclusive of amortization, shown separately.

THE ACCOMPANYING NOTES ARE AN INTEGRAL PART OF THESE CONSOLIDATED FINANCIAL

STATEMENTS.

F-3

EXFO ELECTRO-OPTICAL ENGINEERING INC.
CONSOLIDATED STATEMENTS OF DEFICIT AND CONTRIBUTED SURPLUS

(in thousands of US dollars)

DEFICIT

                                                               YEARS ENDED AUGUST 31,
                                                         -----------------------------------
                                                              2004         2003         2002
                                                         ---------    ---------    ---------
BALANCE - BEGINNING OF YEAR                              $(371,788)   $(316,838)   $  (8,314)

ADD
Net loss for the year                                       (8,424)     (54,950)    (308,524)
                                                         ---------    ---------    ----------

BALANCE - END OF YEAR                                    $(380,212)   $(371,788)   $(316,838)
                                                         =========    =========    =========


CONTRIBUTED SURPLUS
                                                                YEARS ENDED AUGUST 31,
                                                         -----------------------------------
                                                              2004         2003         2002
                                                         ---------    ---------    ---------

BALANCE - BEGINNING OF YEAR                              $   1,519    $   1,487    $   1,457

ADD
Premium on resale of share capital                              18           32           30
Stock-based compensation costs (note 2)                        449           --           --
                                                         ---------    ---------    ---------

BALANCE - END OF YEAR                                    $   1,986    $   1,519    $   1,487
                                                         =========    =========    =========

THE ACCOMPANYING NOTES ARE AN INTEGRAL PART OF THESE CONSOLIDATED FINANCIAL

STATEMENTS.

F-4

EXFO ELECTRO-OPTICAL ENGINEERING INC.
CONSOLIDATED STATEMENTS OF CASH FLOWS

(in thousands of US dollars)

                                                                           YEARS ENDED AUGUST 31,
                                                                   -----------------------------------
                                                                        2004         2003         2002
                                                                   ---------    ---------    ---------
CASH FLOWS FROM OPERATING ACTIVITIES
Net loss for the year                                              $  (8,424)   $ (54,950)   $(308,524)
Add (deduct) items not affecting cash
     Discount on short-term investments                                  197          (96)         197
     Stock-based compensation costs                                      449           --           --
     Inventory and tax credit write-offs                                  --        6,418       18,463
     Amortization                                                     10,015       10,886       55,568
     Impairment of long-lived assets and goodwill                        620        7,427      245,826
     Restructuring and other charges                                   1,261          512          741
     Future income taxes                                                  --       10,138      (13,397)
     Deferred revenue                                                  1,404          (24)        (106)
     Deferred grants                                                     154          817         (335)
                                                                   ---------    ---------    ---------

                                                                       5,676      (18,872)      (1,567)
Change in non-cash operating items
     Accounts receivable                                              (2,677)       3,957       15,406
     Income taxes and tax credits                                     (2,464)      13,489      (19,736)
     Inventories                                                       1,016        7,925        4,332
     Prepaid expenses                                                   (449)        (569)         356
     Accounts payable and accrued liabilities                           (351)        (349)      (7,470)
                                                                   ---------    ---------    ---------

                                                                         751        5,581       (8,679)
                                                                   ---------    ---------    ---------
CASH FLOWS FROM INVESTING ACTIVITIES
Additions to short-term investments                                 (653,348)    (401,105)    (506,228)
Proceeds from disposal of short-term investments                     624,722      395,699      531,733
Additions to property, plant and equipment and intangible assets        (851)      (2,652)      (5,245)
Business combinations                                                   (241)      (1,867)      (9,756)
                                                                   ---------    ---------    ---------

                                                                     (29,718)      (9,925)      10,504
                                                                   ---------    ---------    ---------
CASH FLOWS FROM FINANCING ACTIVITIES
Repayment of long-term debt                                             (109)        (133)        (106)
Net proceeds of offering (note 13)                                    29,164           --           --
Share issue expenses                                                    (137)          --          (14)
Exercise of stock options                                                254           45           --
Redemption of share capital                                               (5)         (16)          (6)
Resale of share capital                                                   23           48           36
                                                                   ---------    ---------    ---------

                                                                      29,190          (56)         (90)

EFFECT OF FOREIGN EXCHANGE RATE CHANGES ON CASH                         (430)         638         (336)
                                                                   ---------    ---------    ---------

CHANGE IN CASH                                                          (207)      (3,762)       1,399

CASH - BEGINNING OF YEAR                                               5,366        9,128        7,729
                                                                   ---------    ---------    ---------

CASH - END OF YEAR                                                 $   5,159    $   5,366    $   9,128
                                                                   =========    =========    =========

SUPPLEMENTARY INFORMATION
Interest paid                                                      $     408    $     417    $     269
Income taxes paid (recovered)                                      $     120    $ (10,351)   $   4,172

THE ACCOMPANYING NOTES ARE AN INTEGRAL PART OF THESE CONSOLIDATED FINANCIAL STATEMENTS.

F-5

EXFO ELECTRO-OPTICAL ENGINEERING INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(tabular amounts in thousands of US dollars, except share and per share data and as otherwise noted)

1 NATURE OF ACTIVITIES

EXFO Electro-Optical Engineering Inc. ("EXFO") designs, manufactures and markets a comprehensive suite of test and measurement solutions for the global telecommunications industry. The Telecom Division, which represents the company's main business activity, offers integrated test solutions to network service providers, system vendors and optical component manufacturers. The Photonics and Life Sciences Division mainly leverages core telecom technologies to offer value-added solutions in high-tech industrial manufacturing and research sectors. EXFO sells its products in approximately 70 countries around the world.

2 SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

BASIS OF PRESENTATION

These consolidated financial statements have been prepared in accordance with generally accepted accounting principles ("GAAP") in Canada and significant differences in measurement and disclosure from U.S. GAAP are set out in note 20. These consolidated financial statements include the accounts of the company and its domestic and international subsidiaries. All significant intercompany accounts and transactions have been eliminated.

ACCOUNTING ESTIMATES

The preparation of financial statements in accordance with generally accepted accounting principles requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosures of contingent assets and liabilities at the date of the financial statements, as well as the reported amounts of revenues and expenses during the reporting years. Actual results could differ from those estimates.

REPORTING CURRENCY

The company has adopted the US dollar as its reporting currency. The financial statements are translated into the reporting currency using the current rate method. Under this method, the financial statements are translated into the reporting currency as follows: assets and liabilities are translated at the exchange rate in effect at the date of the balance sheet, while revenues and expenses are translated at the monthly average exchange rate. All gains and losses resulting from the translation of the financial statements into the reporting currency are included in the cumulative translation adjustment in shareholders' equity.

In the event that management decides to declare dividends, such dividends would be declared in Canadian dollars.

F-6

EXFO ELECTRO-OPTICAL ENGINEERING INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(tabular amounts in thousands of US dollars, except share and per share data and as otherwise noted)

FOREIGN CURRENCY TRANSLATION

FOREIGN CURRENCY TRANSACTIONS

Transactions denominated in currencies other than the functional currency are translated into the functional currency as follows: monetary assets and liabilities are translated at the exchange rate in effect at the balance sheet date, while revenues and expenses are translated at the exchange rate in effect on the date of the transaction. Non-monetary assets and liabilities are translated at historical rates. Gains and losses arising from such translation are reflected in the statements of earnings.

FOREIGN SUBSIDIARIES

The financial statements of integrated foreign operations are remeasured into the functional currency using the temporal method. Under this method, monetary assets and liabilities are remeasured at the exchange rate in effect at the balance sheet date. Non-monetary assets and liabilities are remeasured at historical rates. Revenues and expenses are remeasured at the monthly average exchange rate. Gains and losses resulting from such remeasurement are reflected in the statements of earnings.

FORWARD EXCHANGE CONTRACTS

Forward exchange contracts are utilized by the company in the management of its foreign currency exposure. The company's policy is not to utilize those derivative financial instruments for trading or speculative purposes.

The company's forward exchange contracts, which are used to hedge anticipated US-dollar-denominated sales qualify for hedge accounting and foreign exchange translation gains and losses on these contracts, are recognized as an adjustment of the revenues when the corresponding sales are recorded.

Realized and unrealized gains or losses associated with forward exchange contracts, which have been terminated or cease to be effective prior to maturity, are deferred in the balance sheet and recognized in the earnings of the period in which the underlying hedged transaction is recognized.

SHORT-TERM INVESTMENTS

Short-term investments are valued at the lower of cost and market value. Cost consists of acquisition cost plus amortization of discount or less amortization of premium. All investments with original maturity of three months or less that are not required for the purposes of meeting short-term cash commitments are classified as short-term investments.

INVENTORIES

Inventories are valued on an average cost basis at the lower of cost and replacement cost for raw materials and at the lower of cost and net realizable value for work in progress and finished goods.

F-7

EXFO ELECTRO-OPTICAL ENGINEERING INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(tabular amounts in thousands of US dollars, except share and per share data and as otherwise noted)

On September 1, 2002, the company changed its accounting policy for determining the cost of raw materials and work in progress from the first-in, first-out method to the average cost method. This change in accounting policy had no significant impact on the company's financial statements.

PROPERTY, PLANT AND EQUIPMENT AND AMORTIZATION

Property, plant and equipment are recorded at cost less related government grants and research and development tax credits. Amortization is provided on a straight-line basis over the estimated useful lives as follows:

TERM

Land improvements                              5 years
Buildings                                      25 years
Equipment                                      2 to 10 years
Leasehold improvements                         Remaining lease term

INTANGIBLE ASSETS, GOODWILL AND AMORTIZATION

Intangible assets primarily include the cost of core technology and software, net of accumulated amortization. Core technology represents the existing technology acquired in business combinations that has reached technological feasibility. Intangible assets are amortized on a straight-line basis over their estimated useful lives of five years for core technology and four and ten years for software.

Goodwill represents the excess of the purchase price of acquired businesses over the estimated fair value of net identifiable assets acquired. Goodwill related to business combinations with a date of acquisition prior to July 1, 2001, was amortized on a straight-line basis over the estimated useful life of five years until August 31, 2002. Goodwill related to business combinations with a date of acquisition after June 30, 2001, is not amortized.

Goodwill must be tested for impairment on an annual basis or more frequently if events or circumstances occur that more likely than not reduce the fair value of a reporting unit below its carrying value. Goodwill impairment exists when the carrying value of the reporting unit exceeds its fair value. The fair value of a reporting unit is determined based on a combination of discounted future cash flows and a market approach. The amount of impairment loss, if any, represents the excess of the carrying value of goodwill over its fair value and this loss is charged to earnings in the period in which it is incurred. The company elected to perform its annual impairment test in May of each fiscal year for all its existing reporting units and recorded impairment charges for goodwill in fiscal 2002 and 2003 (note 4).

IMPAIRMENT OF LONG-LIVED ASSETS

Long-lived assets are reviewed for impairment when events and circumstances indicate that cost may not be recoverable. Impairment exists when the carrying value of the asset is greater than the undiscounted future cash flows expected to be provided by the asset. The amount of impairment loss, if any, is the excess of the carrying value over its fair value. The company assesses fair value of intangible assets based on discountinued future cash flows. The company recorded impairment charges for long-lived assets in fiscal 2002, 2003 and 2004 (note 4).

F-8

EXFO ELECTRO-OPTICAL ENGINEERING INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(tabular amounts in thousands of US dollars, except share and per share data and as otherwise noted)

WARRANTY

The company offers its customers warranties of one to three years, depending on the specific products and terms of the purchase agreement. The company's typical warranties require it to repair or replace defective products during the warranty period at no cost to the customer. Costs related to original warranties are accrued at the time of shipment, based upon estimates of expected rework and warranty costs to be incurred. Costs associated with extended warranties are charged to expense as incurred.

REVENUE RECOGNITION

For products in which software is incidental, the company recognizes revenue when persuasive evidence of an arrangement exists, the product has been delivered, the price is fixed and determinable, and collection of the resulting receivable is reasonably assured. In addition, provisions are made for estimated returns, warranties and support obligations.

For products in which software is not incidental, revenues are separated into two categories: product and post-contract customer support (PCS) revenues, based upon vendor-specific objective evidence of fair value. Product revenues for these sales are recognized as described above. PCS revenues are deferred and recognized ratably over the years of the support arrangement. PCS revenues are recognized at the time the product is delivered when provided within one year of delivery; the costs of providing this support are insignificant (and accrued at the time of delivery) and no software upgrades are provided.

For all sales, the company uses a binding purchase order as evidence that a sales arrangement exists.

Delivery generally occurs when the product is handed over to a transporter for shipment.

At the time of the transaction, the company assesses whether the price associated with its revenue transaction is fixed and determinable and whether or not collection is reasonably assured. The company assesses whether the price is fixed and determinable based on the payment terms associated with the transaction. The company assesses collection based on a number of factors, including past transaction history and the creditworthiness of the customer. Generally, collateral or other security is not requested from customers.

Most sales arrangements do not generally include acceptance clauses. However, if a sales arrangement includes an acceptance provision, acceptance occurs upon the earliest of receipt of a written customer acceptance or expiration of the acceptance period. For these sales arrangements, the sale is recognized when acceptance occurs.

Revenue for extended warranties is recognized on a straight-line basis over the warranty period.

ADVERTISING COSTS

Advertising costs are expensed as incurred.

F-9

EXFO ELECTRO-OPTICAL ENGINEERING INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(tabular amounts in thousands of US dollars, except share and per share data and as otherwise noted)

GOVERNMENT GRANTS

Government grants are accrued as a receivable when there is reasonable assurance that the company has complied and will continue to comply with all the conditions related to the grant. Grants related to operating expenses are included in earnings when the related expenses are incurred. Grants related to capital expenditures are deducted from the related assets. Grants related to job creation and training programs for extended periods are deferred and amortized on a straight-line basis over the minimum period for which the created job must be maintained or training provided.

RESEARCH AND DEVELOPMENT EXPENSES

All expenses related to development activities, which do not meet generally accepted criteria for deferral, and research are expensed as incurred, net of related tax credits and government grants. Development expenses that meet generally accepted criteria for deferral are capitalized, net of related tax credits and government grants, and amortized against earnings over the estimated benefit period. Research and development expenses are mainly comprised of salaries and related expenses, material costs as well as fees paid to third-party consultants.

As at August 31, 2004, the company had not deferred any development costs.

INCOME TAXES

The company provides for income taxes using the liability method of tax allocation. Under this method, future income tax assets and liabilities are determined based on deductible or taxable temporary differences between financial statement values and tax values of assets and liabilities, using enacted income tax rates for the years in which the differences are expected to reverse.

The company establishes a valuation allowance against future income tax assets if, based on available information, it is more likely than not that some or all of the future income tax assets will not be realized. Since 2003, the company has recorded a full valuation allowance against future income tax assets (notes 4 and 15).

EARNINGS PER SHARE

Basic earnings per share are determined using the weighted average number of common shares outstanding during the year.

Diluted earnings per share are determined using the weighted average number of common shares outstanding during the year, plus the effect of dilutive potential common shares outstanding during the year such as the company's stock options and restricted stock awards. This method requires that diluted earnings per share be calculated, using the treasury stock method, as if all dilutive potential common shares had been exercised at the latest at the beginning of the year or on the date of issuance, as the case may be, and that the funds obtained thereby be used to purchase common shares of the company at the average fair value of the common shares during the year.

F-10

EXFO ELECTRO-OPTICAL ENGINEERING INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(tabular amounts in thousands of US dollars, except share and per share data and as otherwise noted)

NEW ACCOUNTING STANDARDS AND PRONOUNCEMENTS

On September 1, 2003, the company implemented the documentation required by Accounting Guideline 13 of the Canadian Institute of Chartered Accountants (CICA) handbook, "Hedging Relationship", which establishes new rules for designating, documenting and assessing the effectiveness of hedging relationships, such as the company's forward exchange contracts. Hedge accounting can only be applied if these new rules are met. Consequently, the company's forward exchange contracts, which are used to hedge anticipated US-dollar-denominated sales, continue to qualify for hedge accounting; foreign exchange translation gains and losses on these contracts continue to be recognized as an adjustment of revenue when the corresponding sales are recorded.

On September 1, 2003, the company prospectively adopted the amendments made to handbook section 3870, "Stock-Based Compensation and Other Stock-Based Payments". These amendments require an expense to be recognized in the financial statements for all forms of employee stock-based compensation using a fair value-based method. In fiscal 2004, the company granted 536,500 stock options to its employees with a weighted average exercise price of $3.94. The weighted average fair value of these stock options amounted to $2.73. The corresponding stock-based compensation costs were amortized using the graded vesting method, resulting in stock-based compensation costs of $449,000 in fiscal 2004.

The company is required to disclose pro forma information with respect to net loss and net loss per share as if stock-based compensation costs were recognized in the financial statements using the fair value-based method for options granted in fiscal 2003. However, if the fair value-based method had been used to account for these costs, there would have been no impact on the net loss per share in fiscal 2004 and the pro forma net loss per share would have been $0.01 higher than the net loss per share in 2003.

The fair value of options granted in fiscal 2004 was estimated using the Black-Scholes options valuation model with the following weighted average assumptions:

YEAR ENDED
AUGUST 31, 2004

Risk-free interest rate                                                2.7%
Expected volatility                                                    100%
Dividend yield                                                          Nil
Expected life                                                     49 months

In July 2003, the CICA issued handbook sections 1100 and 1400, "Generally Accepted Accounting Principles" and "General Standards of Financial Statements Presentation", which are effective for fiscal years beginning on or after October 1, 2003. Among other things, these new sections define generally accepted accounting principles (GAAP), establish the relative authority of various types of CICA Accounting Standards Board pronouncements and clarify the role of "industry practice" in applying GAAP. The company will adopt these new standards on September 1, 2004 and it does not expect any significant impact on its financial statements.

F-11

EXFO ELECTRO-OPTICAL ENGINEERING INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(tabular amounts in thousands of US dollars, except share and per share data and as otherwise noted)

COMPARATIVE FIGURES

Certain comparative figures were reclassified to conform to the current-year presentation.

3 BUSINESS COMBINATIONS

In fiscal 2002 and 2003, the company completed business combinations in which it acquired significant intangible assets. The fair value allocated to these assets was based upon valuations performed in conjunction with these business combinations. Acquired goodwill, except the one from GNUBI COMMUNICATIONS L.P., is not deductible for income tax purposes.

BUSINESS COMBINATION DURING 2003

GNUBI COMMUNICATIONS, L.P.

On October 7, 2002, a newly created wholly-owned subsidiary of the company, EXFO Gnubi Products Group Inc. ("EXFO Gnubi"), acquired substantially all the assets of GNUBI COMMUNICATIONS, L.P., a U.S. company supplying multi-channel telecom and datacom testing solutions for optical transport equipment manufacturers as well as research and development laboratories.

This acquisition was settled for a total consideration valued at $4,904,000 including acquisition-related costs of $162,000. The consideration paid consisted in $2,108,000 in cash (including a cash contingent consideration of $241,000, paid in fiscal 2004, based on EXFO Gnubi sales volume for the twelve months following the acquisition) and in the issuance of 1,479,290 subordinate voting shares, valued at $2,796,000.

The cash contingent consideration was accounted for as an additional acquisition cost and was recognized as an additional cost of acquired core technology.

The fair value of the subordinate voting shares issued was determined based on the market price of the shares beginning three days before and ending three days after the number of shares became fixed based on a formula, being September 10, 2002

This acquisition was accounted for using the purchase method and, consequently, the results of operations of the acquired business were included in the consolidated statement of earnings of the company since October 7, 2002, being the date of acquisition.

During fiscal 2004, EXFO Gnubi's operations were consolidated with the parent company's operations in Montreal, Canada.

F-12

EXFO ELECTRO-OPTICAL ENGINEERING INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(tabular amounts in thousands of US dollars, except share and per share data and as otherwise noted)

The purchase price, including acquisition-related costs, was allocated based on the estimated fair value of net assets at the date of acquisition as follows:

Assets acquired
    Current assets                                          $          755
    Property, plant and equipment                                      334
    Core technology                                                    750
Current liabilities assumed                                           (134)
                                                            --------------

Net identifiable assets acquired                                     1,705

Goodwill                                                             2,958
                                                            --------------

Purchase price                                                       4,663

Less: Subordinate voting shares issued                               2,796
                                                            --------------

Cash paid on the date of acquisition                        $        1,867
                                                            ==============

BUSINESS COMBINATION DURING 2002

AVANTAS NETWORKS CORPORATION (RENAMED EXFO PROTOCOL INC.)

On November 2, 2001, the company acquired a 100% interest in EXFO Protocol Inc. ("EXFO Protocol"), a Canadian company specializing in protocol-layer testing, in exchange for a total consideration valued at $94,952,000 or $69,381,000 net of $25,571,000 of cash and cash equivalents acquired. The total consideration includes acquisition-related costs of $1,272,000.

The consideration paid consisted of $9,756,000 in cash, net of cash and cash equivalents acquired of $25,571,000 and the issuance of 4,374,573 subordinate voting shares valued at $59,625,000. The fair value of the subordinate voting shares issued was determined based on the market price of the shares beginning three days before and ending three days after the terms of the acquisition were agreed upon and announced, being August 20, 2001.

This acquisition was accounted for using the purchase method and, consequently, the results of operations of EXFO Protocol were included in the consolidated statement of earnings of the company since November 2, 2001, being the date of acquisition.

As at September 1, 2003, EXFO Protocol was merged with the parent company.

F-13

EXFO ELECTRO-OPTICAL ENGINEERING INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(tabular amounts in thousands of US dollars, except share and per share data and as otherwise noted)

The purchase price, including acquisition-related costs, was allocated based on the estimated fair value of net assets at the date of acquisition as follows:

      Assets acquired
          Current assets                                          $       6,040
          Property, plant and equipment                                   2,003
          In-process research and development                             1,400
          Core technology                                                 5,050
          Future income tax assets (note 4)                                 476
      Current liabilities assumed                                        (3,575)
                                                                  -------------

      Net identifiable assets acquired                                   11,394

      Goodwill (note 4)                                                  57,987
                                                                  -------------

      Purchase price                                                     69,381

      Less: Subordinate voting shares issued                             59,625
                                                                  -------------

      Cash paid, net of cash and cash equivalents acquired        $       9,756
                                                                  =============


4     SPECIAL CHARGES

      IMPAIRMENT OF LONG-LIVED ASSETS AND GOODWILL

      2002

In May 2002, as part of its review of financial results, the company performed an assessment of the carrying value of goodwill and intangible assets recorded in conjunction with the acquisitions of EXFO Burleigh Products Group Inc. ("EXFO Burleigh"), EXFO Photonic Solutions Inc. ("EXFO Photonic Solutions") and EXFO Protocol Inc. ("EXFO Protocol"). The assessment was performed because of the severe and continued downturn in the telecommunications industry, the persisting unfavorable market conditions affecting the subsidiaries' industries and the decline in technology valuations. The growth prospects for those subsidiaries were significantly lower than previously expected and less than those of historical periods, and the decline in market conditions affecting the subsidiaries was significant and other than temporary. As a result, the company concluded that the carrying value of goodwill and certain acquired intangible assets was impaired and it recorded a charge of $222,169,000 to write down a significant portion of goodwill and a pre-tax charge of $23,657,000 to write down a significant portion of acquired core technology. Of the total impairment loss of $245,826,000, $125,017,000 was related to EXFO Burleigh for goodwill and acquired core technology, $71,508,000 was related to EXFO Photonic Solutions for goodwill and acquired core technology, and $49,301,000 was related to EXFO Protocol for goodwill.

The impairment loss was calculated based upon the then-existing accounting rules and represented the excess of the carrying value of the assets over the pre-tax undiscounted future cash flows. The pre-tax undiscounted future cash flows were estimated at the subsidiaries' level since the company had distinct cash flows for each of them and because they were not fully integrated into the

F-14

EXFO ELECTRO-OPTICAL ENGINEERING INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(tabular amounts in thousands of US dollars, except share and per share data and as otherwise noted)

company's activities. The cash flow periods used ranged from three to five years, using annual growth rates between 15% and 30%.

2003

In May 2003, the company performed its annual impairment test on goodwill for all its reporting units, except for newly acquired EXFO Gnubi. Also, considering market conditions in the telecommunications industry and the persisting unfavorable conditions affecting the subsidiaries' industries, the company reviewed the carrying value of intangible assets related to these reporting units, consisting primarily of acquired core technology.

As a result of this assessment, the company concluded that the carrying value of goodwill related to EXFO Burleigh and the carrying value of intangible assets related to EXFO Burleigh and EXFO Photonic Solutions was impaired and it recorded a charge of $4,505,000 to write down goodwill and a pre-tax charge of $2,922,000 to write down acquired core technology. Of the total impairment loss of $7,427,000, $6,872,000 was related to EXFO Burleigh for goodwill and acquired core technology, and $555,000 was related to EXFO Photonic Solutions for acquired core technology.

For the purposes of estimating the fair values, the company used a combination of discounted future cash flows and a market approach (sales multiples). The discounted future cash flows were estimated using periods ranging between eight and ten years, discount rates ranging between 15% and 20% and annual growth rates ranging between nil and 35%. The sales multiples used in the market approach ranged between 0.7 and 2.3.

The assumptions supporting the estimated fair values and undiscounted future cash flows, including industry conditions, reflected management's best estimates.

2004

In fiscal 2004, the company reviewed the carrying value of one of its buildings that was put up for sale and it concluded that the building was impaired. The company recorded an impairment charge of $620,000, representing the excess of the net carrying value of the building over its expected selling price. The building did not meet the criteria of CICA handbook section 3475, "Disposal of Long-Lived Assets and Discontinued Operations" because it was not available for immediate sale in its existing condition. Consequently, it was not shown as a long-lived asset held for sale in the balance sheet as at August 31, 2004. This building reports to the Telecom Division.

RESTRUCTURING AND OTHER CHARGES AND INVENTORY WRITE-OFFS

During fiscal 2002, the company implemented restructuring plans to reduce its costs. Under these plans, the company recorded charges of $2,880,000, including $2,012,000 in severance expenses for the 350 employees who were terminated throughout the company and $868,000 for impaired long-lived assets. These charges are included in the restructuring and other charges in the statement of earnings for the year ended August 31, 2002. Furthermore, the company recorded $18,463,000 in inventory write-offs for excess and obsolete inventories, which are included in the cost of sales in the statement of earnings for that same year.

F-15

EXFO ELECTRO-OPTICAL ENGINEERING INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(tabular amounts in thousands of US dollars, except share and per share data and as otherwise noted)

During fiscal 2003, the company implemented an additional restructuring plan to realign its cost structure to market conditions. Under that plan, the company recorded additional charges of $4,134,000, including $2,767,000 in severance expenses for the 172 employees who were terminated throughout the company, $512,000 for impaired long-lived assets and $855,000 for future payments on exited leased facilities. Those charges are included in the restructuring and other charges in the statement of earnings for the year ended August 31, 2003. In addition, the company recorded $4,121,000 in inventory write-offs for excess and obsolete inventories, which are included in the cost of sales in the statement of earnings for that same year.

During fiscal 2004, the company approved a restructuring plan to consolidate EXFO Burleigh's operations, transferring them mainly to EXFO Photonic Solutions facilities in Toronto. The consolidation process started in August 2004 and should extend into the first two quarters of fiscal 2005. EXFO Burleigh's operations and assets reported to the Photonics and Life Sciences Division and all expenses related to this consolidation process also report to this division.

Management estimates that the overall costs to be incurred under this plan should amount to $2,700,000. From this amount, $772,000, representing severance expenses, was recorded in fiscal 2004 for the layoff of all employees of EXFO Burleigh. In addition, in fiscal 2004, the company recorded an impairment charge of $1,261,000, mainly for the building. Management expects to incur most of the remaining $667,000 during the first two quarters of fiscal 2005 for different types of consolidation expenses such as training, recruiting and other special termination benefits.

The EXFO Burleigh building is for sale in its present condition and management expects to sell the property within the next twelve months. Consequently, in accordance with section 3475 of the handbook, it was shown in the balance sheet as a long-lived asset held for sale. The fair value used to determine the impairment charge for the building represents the company's best estimate of its selling price based upon the municipal valuation. Starting September 1, 2004, the building will cease to be amortized.

In fiscal 2004, we incurred expenses totaling $2,033,000 in relation to this plan. This amount was recorded in the restructuring and other charges in the statement of earnings for the year ended August 31, 2004.

F-16

EXFO ELECTRO-OPTICAL ENGINEERING INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(tabular amounts in thousands of US dollars, except share and per share data and as otherwise noted)

The following table summarizes the restructuring charges payable activity since August 31, 2001:

YEAR ENDED AUGUST 31, 2004

                                    BALANCE AS AT                                             BALANCE AS AT
                                      AUGUST 31,                                                AUGUST 31,
                                        2003         ADDITIONS     PAYMENTS  ADJUSTMENTS          2004
                                     ------------    ---------     --------  -----------      -------------
      FISCAL 2004 PLAN
      Severance expenses             $    --          $   772      $  (305)      $    --       $   467
                                     -------          -------      -------       -------       -------
                                          --              772         (305)           --           467
                                     -------          -------      -------       -------       -------

      FISCAL 2003 PLAN
      Severance expenses               1,233               --         (870)         (254)          109
      Exited leased facilities           748               --         (362)           --           386
      Other                              295               --          (90)           (8)          197
                                     -------          -------      -------       -------       -------
                                       2,276               --       (1,322)         (262)          692
                                     -------          -------      -------       -------       -------

      FISCAL 2002 PLANS
      Other                               68               --          (68)           --            --
                                     -------          -------      -------       -------       -------
                                          68               --          (68)           --            --
                                     -------          -------      -------       -------       -------

      Fiscal 2001 plan
      Exited leased facilities           124               --          (72)          (42)           10
                                     -------          -------      -------       -------       -------
                                         124               --          (72)          (42)           10
                                     -------          -------      -------       -------       -------

      Total for all plans (note 9)   $ 2,468          $   772      $(1,767)      $  (304)      $ 1,169
                                     =======          =======      =======       =======       =======


      YEAR ENDED AUGUST 31, 2003

                                     BALANCE AS AT                                           BALANCE AS AT
                                       AUGUST 31,                                              AUGUST 31,
                                        2002          ADDITIONS    PAYMENTS    ADJUSTMENTS        2003
                                     -------------   ----------    --------    -----------   ------------
      FISCAL 2003 PLAN
      Severance expenses             $    --          $ 2,767      $(1,534)      $    --       $ 1,233
      Exited leased facilities            --              855         (107)           --           748
      Other                               --              512         (217)           --           295
                                     -------          -------      -------       -------       -------
                                          --            4,134       (1,858)           --         2,276
                                     -------          -------      -------       -------       -------

      FISCAL 2002 PLANS
      Severance expenses                 231               --         (231)           --            --
      Other                               68               --           --            --            68
                                     -------          -------      -------       -------       -------
                                         299               --         (231)           --            68
                                     -------          -------      -------       -------       -------

      FISCAL 2001 PLAN
      Exited leased facilities           483               --         (359)           --           124
                                     -------          -------      -------       -------       -------
                                         483               --         (359)           --           124
                                     -------          -------      -------       -------       -------

      Total for all plans (note 9)   $   782          $ 4,134      $(2,448)      $    --       $ 2,468
                                     =======          =======      =======       =======       =======

F-17

EXFO ELECTRO-OPTICAL ENGINEERING INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(tabular amounts in thousands of US dollars, except share and per share data and as otherwise noted)

YEAR ENDED AUGUST 31, 2002

                           BALANCE AS AT                                            BALANCE AS AT
                             AUGUST 31,                                               AUGUST 31,
                              2001        ADDITIONS     PAYMENTS      ADJUSTMENTS         2002
                           -------------  ---------     --------      -----------   -------------
FISCAL 2002 PLANS
Severance expenses         $    --          $ 2,012      $(1,781)        $    --       $   231
Other                           --              868         (800)             --            68
                           -------          -------      -------         -------       -------
                                --            2,880       (2,581)             --           299
                           -------          -------      -------         -------       -------

FISCAL 2001 PLAN
Severance expenses             372               --         (372)             --            --
Exited leased facilities       858               --         (375)             --           483
                           -------          -------      -------         -------       -------
                             1,230               --         (747)             --           483
                           -------          -------      -------         -------       -------

Total for all plans        $ 1,230          $ 2,880      $(3,328)        $    --       $   782
                           =======          =======      =======         =======       =======

FUTURE INCOME TAX ASSETS AND RESEARCH AND DEVELOPMENT TAX CREDITS

During fiscal 2003, the company reviewed the carrying value of its future income tax assets and its research and development tax credits. Considering market conditions and because the company recorded losses in fiscal 2002 and 2003, it concluded that it was more likely than not that its future income tax assets and some of its non-refundable research and development tax credits were not recoverable and that a full valuation allowance and a write-off were required. Accordingly, the company recorded a full valuation allowance of $28,385,000 against its future income tax assets, mainly related to the parent company, EXFO Protocol and EXFO Burleigh and wrote off $2,297,000 in non-refundable research and development tax credits related to EXFO Protocol. The valuation allowance was included in the income taxes in the statement of earnings for the year ended August 31, 2003 (note 15). Research and development tax credit write-offs were included in the net research and development expenses in the statement of earnings for that same year (note 14).

5 INVENTORIES

AS AT AUGUST 31,

                                                    2004             2003
                                            -------------    -------------

Raw materials                               $      7,244     $      8,188
Work in progress                                   1,370            1,022
Finished goods                                     6,757            6,392
                                            -------------    -------------

                                            $     15,371     $     15,602
                                            ============     ============

F-18

EXFO ELECTRO-OPTICAL ENGINEERING INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(tabular amounts in thousands of US dollars, except share and per share data and as otherwise noted)

6     PROPERTY, PLANT AND EQUIPMENT

                                                                                AS AT AUGUST 31,
                                                 --------------------------------------------------------------------------------
                                                                 2004                                      2003
                                                 --------------------------------------    --------------------------------------
                                                                           ACCUMULATED                               ACCUMULATED
                                                           COST           AMORTIZATION               COST           AMORTIZATION
                                                 ---------------    -------------------    ---------------    -------------------
      Land and land improvements                 $        2,868     $              558     $        3,323     $              350
      Buildings                                           8,311                  1,699             11,177                  1,784
      Equipment                                          29,110                 23,422             27,800                 19,099
      Leasehold improvements                              2,110                  1,278              1,837                  1,042
                                                 ---------------    -------------------    ---------------    -------------------
                                                         42,399     $           26,957             44,137     $           22,275
                                                                    ===================                       ===================
      Less:
          Accumulated amortization                       26,957                                    22,275
                                                 ---------------                           ---------------
                                                 $       15,442                            $       21,862
                                                 ===============                           ===============

As at August 31, 2003 and 2004, unpaid purchases of property, plant and equipment amounted to $156,000 and $358,000, respectively.

The net carrying value of property, plant and equipment as at August 31, 2003 included $2,867,000 for the EXFO Burleigh building shown as a long-lived asset held for sale as at August 31, 2004 (note 4).

7 INTANGIBLE ASSETS AND GOODWILL

The net carrying value of intangible assets is comprised of the following:

                                                                AS AT AUGUST 31,
                                                            ---------------------------
                                                                 2004            2003
                                                            -----------    ------------
Software, net of accumulated amortization of $3,482
($2,691 in 2003)                                            $   2,365      $    3,069
Core technology, net of accumulated amortization of
$25,733 ($20,986 in 2003)                                       7,082          10,778
                                                            -----------    ------------
                                                            $   9,447      $   13,847
                                                            ===========    ============

Amortization expenses for intangible assets in each of the next five fiscal years will be $4,550,200 in 2005, $2,825,600 in 2006, $735,600 in 2007, $315,900 in 2008 and $296,200 in 2009.

F-19

EXFO ELECTRO-OPTICAL ENGINEERING INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(tabular amounts in thousands of US dollars, except share and per share data and as otherwise noted)

Changes in the net carrying value of goodwill are as follows:

AS AT AUGUST 31,

                                                         2004            2003
                                                    -----------    ------------
      Balance - Beginning of year                   $  17,673      $   17,576
      Business combination (note 3)                        --           2,958
      Write-down (note 4)                                  --          (4,505)
      Foreign currency translation adjustment             720           1,644
                                                    -----------    ------------
      Balance - End of year                         $  18,393      $   17,673
                                                    ===========    ============


8     CREDIT FACILITIES

The company has a line of credit which provides for advances of up to Cdn$10,000,000 (US$7,595,000). This line of credit, which is renewable annually, bears interest at prime rate (prime rate in 2003). Short-term investments, accounts receivable, inventories and all tangible and intangible assets of the company were pledged as collateral against this line of credit. As at August 31, 2004, an amount of Cdn$3,737,000 (US$2,838,000) is reserved from this line of credit for letters of guarantee and forward exchange contracts.

9 ACCOUNTS PAYABLE AND ACCRUED LIABILITIES

AS AT AUGUST 31,

                                                   2004            2003
                                              -----------    ------------

Trade                                         $   4,484      $    4,227
Salaries and social benefits                      3,932           3,462
Warranty                                            390             687
Restructuring charges (notes 4 and 19)            1,169           2,468
Other                                             1,418           1,182
                                              -----------    ------------
                                              $  11,393      $   12,026
                                              ===========    ============

F-20

EXFO ELECTRO-OPTICAL ENGINEERING INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(tabular amounts in thousands of US dollars, except share and per share data and as otherwise noted)

Changes in the warranty provision are as follows:

AS AT AUGUST 31,

                                                         2004            2003
                                                    -----------    ------------
      Balance - Beginning of year                   $     687      $      849
      Provision                                           564             520
      Settlement                                         (889)           (749)
      Foreign currency translation adjustment              28              67
                                                    -----------    ------------
      Balance - End of year                         $     390      $      687
                                                    ===========    ============


10    LONG-TERM DEBT

AS AT AUGUST 31,

                                                   2004            2003
                                              -----------    ------------

Loans collateralized by equipment, bearing
    interest at 9.6%, repayable in monthly
    instalments of $13,000 including
    principal and interest, maturing in 2008  $     453      $      563

Less: Current portion                               121             110
                                              -----------    ------------
                                              $     332      $      453
                                              ===========    ============

As at August 31, 2004, minimum principal repayments required in each of the next four years will amount to $121,000 in 2005, $135,000 in 2006, $146,000 in 2007 and $51,000 in 2008.

11 COMMITMENTS

The company entered into operating leases for certain of its premises and equipment, which expire at various dates through May 2011. As at August 31, 2004, minimum rentals payable under these operating leases in each of the next five years will amount to $938,000 in 2005, $875,000 in 2006, $780,000 in 2007, $484,000 in 2008 and $467,000 in 2009. As at August 31, 2004, the total commitment under these operating leases amounts to $4,382,000.

For the years ended August 31, 2002, 2003 and 2004, rental expenses amounted to $1,936,000, $1,718,000 and $1,219,000, respectively (note 19).

F-21

EXFO ELECTRO-OPTICAL ENGINEERING INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(tabular amounts in thousands of US dollars, except share and per share data and as otherwise noted)

12 CONTINGENCIES

On November 27, 2001, a class action suit was filed in the United States District Court for the Southern District of New York against the company, four of the underwriters of its Initial Public Offering and some of its executive officers pursuant to the Securities Exchange Act of 1934 and Rule 10b-5 promulgated thereunder and sections 11, 12 and 16 of the Securities Act of 1933. Approximately 300 other issuers and their underwriters have had similar suits filed against them, all of which are included in a single coordinated proceeding in the Southern District of New York (the "IPO Litigations"). This class action alleges that the company's registration statement and prospectus filed with the Securities and Exchange Commission on June 29, 2000, contained material misrepresentations and/or omissions resulting from (i) the underwriters allegedly soliciting and receiving additional, excessive and undisclosed commissions from certain investors in exchange for which they allocated material portions of the shares issued in connection with the company's Initial Public Offering; and (ii) the underwriters allegedly entering into agreements with customers whereby shares issued in connection with the company's Initial Public Offering would be allocated to those customers in exchange for which customers agreed to purchase additional amounts of shares in the after-market at pre-determined prices.

On April 19, 2002, the plaintiffs filed two amended complaints: one containing master allegations against all of the underwriters in the IPO Litigations, and the other containing allegations specific to four of the company's underwriters, the company and two of its executive officers. In addition to the allegations mentioned above, the amended complaint alleges that the underwriters (i) used their analysts to manipulate the stock market; and (ii) implemented schemes that allowed issuer insiders to sell their shares rapidly after an initial public offering and benefit from high market prices. As concerns the company and its two executive officers in particular, the amended complaint alleges that (i) the company's registration statement was materially false and misleading because it failed to disclose the additional commissions and compensation to be received by underwriters; (ii) the two named executive officers learned of or recklessly disregarded the alleged misconduct of the underwriters;
(iii) the two named executive officers had motive and opportunity to engage in alleged wrongful conduct due to personal holdings of the company's stock and the fact that an alleged artificially inflated stock price could be used as currency for acquisitions; and (iv) the two named executive officers, by virtue of their positions with the company, controlled the company and the contents of the registration statement and had the ability to prevent its issuance or cause it to be corrected. The plaintiffs in this suit seek an unspecified amount for damages suffered.

In July 2002, the issuers filed a motion to dismiss the plaintiffs' amended complaint and judgment was rendered on February 19, 2003. The Court granted the company's motion to dismiss the claims against it under
Section 11 of the Securities Act. The Court denied the company's motion to dismiss the claims against it under Rule 10b-5. In October 2002, the claims against its officers were dismissed without prejudice pursuant to the terms of the Reservation of Rights and Tolling Agreements entered into with the plaintiffs.

In June 2003, a committee of the company's Board of Directors conditionally approved a proposed settlement between the issuer defendants, the individual defendants, and the plaintiffs. On June 25, 2004, the Plaintiffs moved for Preliminary Approval of the settlement, and the Underwriter defendants have opposed that motion. If approved, the settlement would provide, among other things, a release of the company and of the individual defendants for the conduct alleged in the action to be wrongful in the amended complaint. The company would agree to undertake other responsibilities under the

F-22

EXFO ELECTRO-OPTICAL ENGINEERING INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(tabular amounts in thousands of US dollars, except share and per share data and as otherwise noted)

settlement, including agreeing to assign away, not assert, or release certain potential claims the company may have against its underwriters. Any direct financial impact of the proposed settlement is expected to be borne by the company's insurance carriers.

Since the settlement process is subject to a fairness hearing and final court approval, it is possible that it could fail. Therefore, it is not possible to predict the final outcome of the case, nor determine the amount of any possible losses. If the settlement process fails, the company will continue to defend its position in this litigation that the claims against it, and its officers, are without merit. Accordingly, no provision for this case has been made in the consolidated financial statements as at August 31, 2004.

As at August 31, 2004, the company has outstanding letters of guarantee of Cdn$1,273,000 (US$967,000), which expire at various dates through fiscal 2008 and that were reserved from the line of credit.

13 SHARE CAPITAL

Authorized - unlimited as to number, without par value Subordinate voting and participating, bearing a non-cumulative dividend to be determined by the Board of Directors, ranking pari passu with multiple voting shares Multiple voting and participating, entitling to ten votes each, bearing a non-cumulative dividend to be determined by the Board of Directors, convertible at the holder's option into subordinate voting shares on a one-for-one basis, ranking pari passu with subordinate voting shares

F-23

EXFO ELECTRO-OPTICAL ENGINEERING INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(tabular amounts in thousands of US dollars, except share and per share data and as otherwise noted)

The following table summarizes the share capital activity since August 31, 2001:

                                              MULTIPLE VOTING SHARES          SUBORDINATE VOTING SHARES
                                        ---------------------------------  -------------------------------
                                                 NUMBER          AMOUNT           NUMBER          AMOUNT     TOTAL AMOUNT
                                        ---------------------------------  -------------------------------  --------------
Balance as at August 31, 2001                37,900,000   $           1       19,046,080   $     429,994    $     429,995

   Business combination (note 3)                     --              --        4,374,573          59,625           59,625
   Exercise of stock awards                          --              --          144,532              --               --
   Redemption                                        --              --           (7,022)             (6)              (6)
   Resale                                            --              --            7,022               6                6
   Share issue expenses                              --              --               --              (9)              (9)
                                        ----------------  ---------------  --------------- ---------------  --------------
Balance as at August 31, 2002                37,900,000               1       23,565,185         489,610          489,611

   Business combination (note 3)                     --              --        1,479,290           2,796            2,796
   Exercise of stock options                         --              --           25,498              45               45
   Exercise of stock awards                          --              --           69,935              --               --
   Redemption                                        --              --          (21,515)            (16)             (16)
   Resale                                            --              --           21,515              16               16
                                        ----------------  ---------------  --------------- ---------------  --------------
Balance as at August 31, 2003                37,900,000               1       25,139,908         492,451          492,452

   Public offering (1)                               --              --        5,200,000          29,164           29,164
   Exercise of stock options                         --              --          111,071             254              254
   Exercise of stock awards                          --              --           89,504              --               --
   Redemption                                        --              --           (5,340)             (5)              (5)
   Resale                                            --              --            5,340               5                5
   Share issue expenses                              --              --               --            (137)            (137)
                                        ----------------  ---------------  --------------- ---------------  --------------
Balance as at August 31, 2004                37,900,000   $           1       30,540,483   $     521,732    $     521,733
                                        ================  ===============  =============== ===============  ==============

(1) On February 12, 2004, pursuant to a Canadian public offering, the company issued 5,200,000 subordinate voting shares for net proceeds of $29,164,000 (Cdn$38,438,400), after deduction of underwriting commission of $1,215,000 (Cdn$1,601,000). The net proceeds of this offering were invested in commercial paper that is presented in the short-term investments in the balance sheet (note 17).

STOCK PURCHASE PLAN

The company's stock purchase plan terminated at the time of the initial public offering, being June 29, 2000. In accordance with that plan, officers, directors and key employees could purchase Class F shares up to a maximum of 5% of all participating, issued and outstanding shares of the company. The purchase price of shares under that plan was determined as a multiple of the company's equity as at the end of the preceding fiscal year. All 707,264 shares issued under that plan, which were restricted as to sale and transferability for a period of at least five years from the date of acquisition, were released in fiscal 2004.

F-24

EXFO ELECTRO-OPTICAL ENGINEERING INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(tabular amounts in thousands of US dollars, except share and per share data and as otherwise noted)

STOCK OPTION PLAN

In May 2000, the company established a stock option plan for directors, executive officers, employees and consultants and those of the company's subsidiaries, as determined by the Board of Directors.

The maximum number of subordinate voting shares issuable under the plan cannot exceed 6,306,153 shares. The maximum number of subordinate voting shares that may be granted to any individual cannot exceed 5% of the number of outstanding subordinate voting shares. The exercise price is the market price of the common shares on the date of grant. Options granted under the plan generally expire ten years from the date of grant. Options granted under the plan generally vest over a four-year period, with 25% vesting on an annual basis commencing on the first anniversary of the date of grant. The Board of Directors may accelerate the vesting of any or all outstanding options upon the occurrence of a change of control.

The following table summarizes stock option activity since August 31, 2001:

                                                                   YEARS ENDED AUGUST 31,
                                  -------------------------------------------------------------------------------------------
                                              2004                           2003                          2002
                                  -----------------------------  ----------------------------- ------------------------------
                                                     WEIGHTED                       WEIGHTED                      WEIGHTED
                                                      AVERAGE                        AVERAGE                       AVERAGE
                                                     EXERCISE                       EXERCISE                      EXERCISE
                                        NUMBER          PRICE          NUMBER          PRICE         NUMBER          PRICE

Outstanding - Beginning of year      3,176,613    $        15       2,597,574    $        22      2,414,231   $         28
    Granted                            536,500              4       1,268,450              2      1,039,805             10
    Exercised                         (111,071)            (2)        (25,498)            (2)            --             --
    Forfeited                         (667,524)           (15)       (663,913)           (17)      (856,462)           (25)
                                  -------------   -------------  -------------   ------------- -------------  ---------------
Outstanding - End of year            2,934,518    $        14       3,176,613    $        15      2,597,574   $         22
                                  -------------   -------------  -------------   ------------- -------------  ---------------
Exercisable - End of year            1,331,707    $        21       1,068,595    $        22        512,161   $         28
                                  =============   =============  =============   ============= =============  ===============

F-25

EXFO ELECTRO-OPTICAL ENGINEERING INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(tabular amounts in thousands of US dollars, except share and per share data and as otherwise noted)

The following table summarizes information about stock options as at August 31, 2004:

                               STOCK OPTIONS OUTSTANDING                                STOCKS OPTIONS EXERCISABLE
                    --------------------------------------------------            ----------------------------------
                                                             WEIGHTED
                                          WEIGHTED            AVERAGE                                      WEIGHTED
                                           AVERAGE          REMAINING                                       AVERAGE
EXERCISE PRICE             NUMBER   EXERCISE PRICE   CONTRACTUAL LIFE                    NUMBER      EXERCISE PRICE

$1.58 to $2.16            653,254     $       1.58          8.1 years                   118,900     $          1.58
$2.59 to $3.63            436,250             3.44          9.0 years                    63,208                3.39
$4.65 to $5.65            223,979             4.77          9.3 years                    13,240                5.65
$9.13 to $12.69           567,396            10.10          7.2 years                   283,698               10.10
$19.19 to $27.80          785,608            24.05          6.2 years                   651,629               24.24
$34.07 to $45.94          216,601            44.38          6.0 years                   162,459               44.38
$56.74                     51,430            56.74          6.0 years                    38,573               56.74
                      ------------    -------------  -----------------              ------------    ----------------
                        2,934,518     $      13.89          7.5 years                 1,331,707     $         21.43
                      ============    =============  =================              ============    ================

RESTRICTED STOCK AWARD PLAN

On December 20, 2000, the company established a restricted stock award plan for employees of EXFO Burleigh. Each stock award entitles employees to receive one subordinate voting share at a purchase price of nil. Stock awards granted under the plan vest over a four-year period, with 25% vesting on an annual basis commencing on the first anniversary of the date of grant. According to the plan, upon the involuntary termination of a member of the defined management team, all outstanding restricted stock awards granted to such an employee automatically vest. The plan will expire on December 20, 2004.

The following table summarizes restricted stock awards activity since August 31, 2001:

                                                        YEARS ENDED AUGUST 31,
                                             ------------------------------------------
                                                  2004           2003            2002
                                             -----------    -----------    ------------
Outstanding - Beginning of year                 143,096        215,249         359,781
    Granted                                          --             --              --
    Exercised                                   (89,504)       (69,935)       (144,532)
    Forfeited                                        --         (2,218)             --
                                             -----------    -----------    ------------
Outstanding - End of year                        53,592        143,096         215,249
                                             ===========    ===========    ============
Exercisable - End of year                            --             --              --
                                             ===========    ===========    ============

As at August 31, 2004, the weighted average remaining contractual life of the outstanding restricted stock awards was four months.

F-26

EXFO ELECTRO-OPTICAL ENGINEERING INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(tabular amounts in thousands of US dollars, except share and per share data and as otherwise noted)

STOCK APPRECIATION RIGHTS PLAN

On August 4, 2001, the company established a stock appreciation rights plan for certain employees. Under that plan, eligible employees are entitled to receive a cash amount equivalent to the difference between the market price of the common shares on the date of exercise and the exercise price determined on the date of grant. Stock appreciation rights granted under the plan generally expire ten years from the date of grant. Stock appreciation rights vest over a four-year period, with 25% vesting on an annual basis commencing on the first anniversary of the date of grant.

Considering the market price of the common shares of $4.36 as at August 31, 2004, compensation cost for those stock appreciation rights was nominal as at August 31, 2004.

The following table summarizes stock appreciation rights activity since August 31, 2001:

                                                                    YEARS ENDED AUGUST 31,
                                 ----------------------------------------------------------------------------------------
                                             2004                           2003                          2002
                                 --------------------------    ---------------------------    ---------------------------
                                                  WEIGHTED                       WEIGHTED                       WEIGHTED
                                                   AVERAGE                        AVERAGE                        AVERAGE
                                                  EXERCISE                       EXERCISE                       EXERCISE
                                      NUMBER         PRICE          NUMBER          PRICE          NUMBER          PRICE
Outstanding - Beginning of year        9,000   $        24          10,000    $        26          22,400    $        30
    Granted                            6,000             5           5,000              2           1,000             12
    Forfeited                         (2,000)           19          (6,000)            (9)        (13,400)           (31)
                                 ------------  ------------    ------------   ------------    ------------   ------------
Outstanding - End of year             13,000   $        16           9,000    $        24          10,000    $        26
                                 ============  ============    ============   ============    ============   ============
Exercisable - End of year              4,250   $        30           3,500    $        30           2,250    $        27
                                 ============  ============    ============   ============    ============   ============

The following table summarizes information about stock appreciation rights as at August 31, 2004:

                                                 STOCK APPRECIATION                       STOCK APPRECIATION
                                                 RIGHTS OUTSTANDING                       RIGHTS EXERCISABLE
                                           -----------------------------------          ---------------------
                                                             WEIGHTED AVERAGE
                                                                    REMAINING
EXERCISE PRICE                                   NUMBER      CONTRACTUAL LIFE                    NUMBER
$2.10                                             2,000             8.6 years                       500
$4.65                                             6,000             9.6 years                        --
$22.25                                            2,500             6.4 years                     1,875
$45.94                                            2,500             6.0 years                     1,875
                                           -------------     -----------------          ---------------------
                                                 13,000             8.1 years                     4,250
                                           =============     =================          =====================

F-27

EXFO ELECTRO-OPTICAL ENGINEERING INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(tabular amounts in thousands of US dollars, except share and per share data and as otherwise noted)

14 OTHER DISCLOSURES

NET RESEARCH AND DEVELOPMENT EXPENSES

Net research and development expenses comprise the following:

                                                         YEARS ENDED AUGUST 31,
                                                -------------------------------------
                                                     2004         2003          2002
                                                ----------  -----------  ------------
Gross research and development expenses         $  15,668   $   17,133   $    17,005
Research and development tax credits and grants    (3,278)      (3,551)       (4,223)
Research and development tax credit write-offs
(note 4)                                               --        2,297            --
                                                ----------  -----------  ------------
                                                $  12,390   $   15,879   $    12,782
                                                ==========  ===========  ============

All tax credits written off can be carried forward against future years' income taxes payable over the next nine years.

OTHER GRANTS AND TAX CREDITS

During 1998, the company entered into an agreement with the Quebec Minister of Industry, Commerce, Science and Technology (the "Minister"). Pursuant to this agreement, the Minister agreed to contribute, in the form of grants, up to a maximum of Cdn$600,000 (US$456,000) towards interest costs incurred over the period from January 1, 1998, through December 31, 2002. In addition, the Minister agreed to provide grants up to a maximum of Cdn$2,220,000 (US$1,686,000) over the period from January 1, 1998, through December 31, 2002, payable based on the number of full-time jobs created during the period.

The above grants are subject to the condition that jobs created pursuant to the agreement be maintained for a period of at least five years from the date of creation. Should this condition not be met by the company, the Minister may enforce various recourse options, which include suspension or cancellation of the agreement or repayment of amounts received by the company. Since the beginning of this program, the company has received the maximum amount of Cdn$2,820,000 (US$2,142,000), of which Cdn$1,370,000 (US$1,040,000) was credited to earnings, the balance of Cdn$1,450,000 (US$1,102,000) was included in deferred grants in the balance sheet.

Furthermore, since 2000, companies operating in the Quebec City area are eligible for a refundable tax credit granted by the Quebec provincial government. This credit is earned based on the increase of eligible production and marketing salaries incurred in the Quebec City area at a rate of 40%. Since 2000, the company has received a total of Cdn$5,679,000
(US$4,313,000) under this program, of which Cdn$4,905,000 (US$3,725,000)
was credited to earnings, the balance of Cdn$774,000 (US$588,000) was included in deferred grants in the balance sheet. The deferred grants will be recognized in the statement of earnings upon the final approval of eligible salaries by the sponsor of the program.

F-28

EXFO ELECTRO-OPTICAL ENGINEERING INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(tabular amounts in thousands of US dollars, except share and per share data and as otherwise noted)

Should repayments of any amounts received pursuant to these agreements be required, such repayments, less related deferred revenue, if any, will be charged to earnings as the amount of any repayment becomes known.

Following is a summary of the classification of these and certain other grants and tax credits (government grants) in the statements of earnings of the reporting years.

Cost of sales for the years ended August 31, 2002, 2003 and 2004, is net of government grants of $546,000, $518,000 and $3,000, respectively.

Selling and administrative expenses for the years ended August 31, 2002, 2003 and 2004, are net of government grants of $213,000, $286,000 and $5,000, respectively.

Research and development expenses for the years ended August 31, 2002, 2003 and 2004, are net of government grants of $333,000, $45,000 and $80,000, respectively.

DEFINED CONTRIBUTION PLANS

The company maintains separate defined contribution plans for certain eligible employees. These plans, which are accounted for on an accrual basis, are summarized as follows:

o Deferred profit-sharing plan

The company maintains a plan for certain eligible Canadian resident employees, under which the company may elect to contribute an amount equal to 1% of an employee's gross salary, provided that the employee has contributed at least 2% of his/her gross salary to a tax-deferred registered retirement savings plan. From June 2002 to December 2002, the company suspended its contributions to the plan as part of its cost-reduction efforts. Contributions to this plan for the years ended August 31, 2002, 2003 and 2004, amounted to Cdn$136,000 (US$86,000), Cdn$93,000 (US$63,000) and Cdn$141,000 (US$106,000), respectively.

o 401K plan

The company maintains a 401K plan for eligible U.S. resident employees. Under this plan, the company must contribute an amount equal to 3% of an employee's current compensation. During the years ended August 31, 2002, 2003 and 2004, the company recorded contributions totaling $317,000, $253,000 and $187,000, respectively.

F-29

EXFO ELECTRO-OPTICAL ENGINEERING INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(tabular amounts in thousands of US dollars, except share and per share data and as otherwise noted)

15 INCOME TAXES

The reconciliation of the income tax provision calculated using the combined Canadian federal and provincial statutory income tax rate with the income tax provision in the financial statements is as follows:

                                                                               YEARS ENDED AUGUST 31,
                                                                     ------------------------------------------
                                                                         2004             2003            2002
                                                                     --------         --------         --------
Income tax provision at combined Canadian federal and provincial
    statutory tax rate (32% in 2004, 34% in 2003 and 36% in 2002)    $ (3,011)        $(13,563)        $(26,563)

Increase (decrease) due to:
Manufacturing and processing deduction                                      6              307              525
Foreign income taxed at different rates                                  (767)            (999)          (1,101)
Non-taxable income                                                       (128)            (298)            (143)
Non-deductible expenses                                                 1,205            1,609              334
Tax deductions                                                           (169)             (80)            (518)
Reduction of Canadian federal statutory tax rate                          274               92              168
Effect of consolidation of subsidiaries                                (1,384)             184            1,325
Previous year tax recovery upon a tax assessment                       (1,406)            (645)              --
Other                                                                     440               67              522
Change in valuation allowance                                           3,954           28,385               --
                                                                     --------         --------         --------
                                                                     $   (986)        $ 15,059         $(25,451)
                                                                     ========         ========         ========
The income tax provision consists of the following:
Current
    Canadian                                                         $   (577)        $  4,829         $(10,816)
    United States                                                          --             (247)          (1,232)
    Other                                                                (409)             339               (6)
                                                                     --------         --------         --------
                                                                         (986)           4,921          (12,054)
Future
    Canadian                                                           (1,104)         (13,553)          (4,475)
    United States                                                      (2,448)          (4,307)          (8,694)
    Other                                                                (402)            (387)            (228)
                                                                     --------         --------         --------
                                                                       (3,954)         (18,247)         (13,397)
Valuation allowance
    Canadian                                                            1,104           20,359               --
    United States                                                       2,448            7,374               --
    Other                                                                 402              652               --
                                                                     --------         --------         --------
                                                                        3,954           28,385               --
                                                                     --------         --------         --------
                                                                     $   (986)        $ 15,059         $(25,451)
                                                                     ========         ========         ========
Details of the company's income taxes:
    Loss before income taxes and amortization and write-down of
        goodwill
        Canadian                                                     $ (7,740)        $(20,449)        $(47,431)
        United States                                                  (5,879)         (13,116)         (28,228)
        Other                                                           4,209           (6,326)           1,874
                                                                     --------         --------         --------
                                                                     $ (9,410)        $(39,891)        $(73,785)
                                                                     ========         ========         ========

F-30

EXFO ELECTRO-OPTICAL ENGINEERING INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(tabular amounts in thousands of US dollars, except share and per share data and as otherwise noted)

Significant components of the company's future income tax assets and liabilities are as follows:

AS AT AUGUST 31,

                                                   2004           2003
                                             -----------   ------------
Future income tax assets
    Long-lived assets                        $    3,291    $     2,053
    Provisions and accruals                       8,755          9,786
    Government grants                               188            185
    Deferred revenue                                336            140
    Share issue expenses                            657          1,434
    Research and development expenses             5,064          3,621
    Losses carried forward                       15,110         13,770
                                             -----------   ------------
                                                 33,401         30,989
Valuation allowance                             (32,613)       (28,846)
                                             -----------   ------------
                                             $      788    $     2,143
                                             ===========   ============
Future income tax liabilities
    Long-lived assets                        $        -    $    (1,614)
    Research and development tax credits           (788)          (497)
    Provisions and accruals                           -            (32)
                                             -----------   ------------
                                                   (788)        (2,143)
                                             -----------   ------------
Future income tax assets, net                $       --    $        --
                                             ===========   ============

As at August 31, 2004, the company had available operating losses in several tax jurisdictions, against which a full valuation allowance was established. The following table summarizes the year of expiry of these operating losses by tax jurisdiction:

                               CANADA                       UNITED STATES
YEAR OF EXPIRY         FEDERAL          PROVINCIAL              AND OTHER
                 --------------       -------------       ----------------

2005             $     643,000        $    955,000        $             -
2006                   199,000             199,000                      -
2007                 1,544,000           1,609,000                207,000
2008                 4,278,000           4,313,000              1,916,000
2009                 5,346,000           3,256,000                575,000
2010                 3,802,000           1,996,000                      -
2014                   182,000                   -                      -
2022                         -                   -              9,044,000
2023                         -                   -             11,943,000
2024                         -                   -              6,225,000
Indefinite             631,000                   -              1,651,000
                 --------------       -------------       ----------------
                 $  16,625,000        $ 12,328,000        $    31,561,000
                 ==============       =============       ================

Also, as at August 31, 2004, the company had available research and development expenses in Canada amounting to $16,110,000 at the federal level and $16,600,000 at the provincial level,

F-31

EXFO ELECTRO-OPTICAL ENGINEERING INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(tabular amounts in thousands of US dollars, except share and per share data and as otherwise noted)

against which a full valuation allowance was established. These expenses can be carried forward indefinitely against future years' taxable income in their respective tax jurisdiction.

16 LOSS PER SHARE

The following table summarizes the reconciliation of the basic weighted average number of shares outstanding and the diluted weighted average number of shares outstanding:

                                                                               YEARS ENDED AUGUST 31,
                                                                   ---------------------------------------------
                                                                           2004            2003            2002
                                                                   -------------   -------------   -------------
Basic weighted average number of shares outstanding (000's)              66,020          62,852          60,666
Dilutive effect of stock options (000's)                                    502             301              31
Dilutive effect of restricted stock awards (000's)                           93             164             269
                                                                   -------------   -------------   -------------

Diluted weighted average number of shares outstanding (000's)            66,615          63,317          60,966
                                                                   =============   =============   =============

Stock options excluded from the calculation of the diluted
    weighted average number of shares because their exercise
    price was greater than the average market price of the
    common shares (000's)                                                 2,128           2,533           2,734
                                                                   =============   =============   =============

The diluted loss per share for the years ended August 31, 2002, 2003 and 2004, was the same as the basic loss per share since the dilutive effect of stock options and restricted stock awards should not be included in the calculation; otherwise, the effect would be anti-dilutive. Accordingly, diluted loss per share for those years was calculated using the basic weighted average number of shares outstanding.

F-32

EXFO ELECTRO-OPTICAL ENGINEERING INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(tabular amounts in thousands of US dollars, except share and per share data and as otherwise noted)

17 FINANCIAL INSTRUMENTS

SHORT-TERM INVESTMENTS

Short-term investments consist of the following:

                                                                                         AS AT AUGUST 31,
                                                                                  ------------------------------
                                                                                         2004              2003
                                                                                  ------------      ------------
 Commercial paper denominated in Canadian dollars, bearing interest at
      annual rates of 2.00% to 2.14% in 2004 and 2.65% to 3.10% in
      2003, maturing on different dates between October 2004 and
      January 2005 in fiscal 2004, and October 2003 and January 2004
      in fiscal 2003                                                              $     65,359      $    52,010
 Mutual funds denominated in Canadian dollars                                           18,610                -
                                                                                  ------------      ------------
                                                                                  $     83,969      $    52,010
                                                                                  ============      ============

F-33

EXFO ELECTRO-OPTICAL ENGINEERING INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(tabular amounts in thousands of US dollars, except share and per share data and as otherwise noted)

FAIR VALUE

Cash, accounts receivable, accounts payable and accrued liabilities and long-term debt are financial instruments whose carrying values approximate their fair values.

The fair value of short-term investments, based on market value, amounted to $52,010,000 and $83,969,000 as at August 31, 2003 and 2004, respectively.

The fair value of forward exchange contracts, based on the current trading value, amounted to Cdn$18,550,000 and Cdn$20,371,000 as at August 31, 2003 and 2004, respectively.

CREDIT RISK

Financial instruments that potentially subject the company to credit risk consist primarily of cash, short-term investments, accounts receivable and forward exchange contracts. The company's short-term investments consist of debt instruments issued by high-credit quality corporations and trusts. The company's cash and forward exchange contracts are held with or issued by high-credit quality financial institutions; therefore, the company considers the risk of non-performance on these instruments to be remote.

Due to the geographic distribution of the company's customers, there is no particular concentration of credit risk. Generally, the company does not require collateral or other security from customers for trade accounts receivable; however, credit is extended to customers following an evaluation of creditworthiness. In addition, the company performs ongoing credit reviews of all its customers and establishes an allowance for doubtful accounts receivable when accounts are determined to be uncollectible. Allowance for doubtful accounts amounted to $568,000 and $510,000 as at August 31, 2003 and 2004, respectively.

INTEREST RATE RISK

As at August 31, 2004, the company's exposure to interest rate risk is summarized as follows:

Cash                                               Non-interest bearing
Short-term investments                               As described above
Accounts receivable                                Non-interest bearing
Accounts payable and accrued liabilities           Non-interest bearing
Long-term debt                                  As described in note 10

F-34

EXFO ELECTRO-OPTICAL ENGINEERING INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(tabular amounts in thousands of US dollars, except share and per share data and as otherwise noted)

FORWARD EXCHANGE CONTRACTS

The company is exposed to currency risks as a result of its export sales of products manufactured in Canada, substantially all of which are denominated in US dollars. These risks are partially hedged by forward exchange contracts and certain operating expenses. As at August 31, 2003 and 2004, the company held contracts to sell US dollars at various forward rates, which are summarized as follows:

                                            CONTRACTUAL              WEIGHTED AVERAGE
                                                AMOUNTS     CONTRACTUAL FORWARD RATES
                                          --------------    -------------------------
As at August 31, 2003
    September 2003 to August 2004         $       6,470                        1.5869
    September 2004 to August 2005                 6,680                        1.5647
As at August 31, 2004
    September 2004 to August 2005         $       7,480                        1.5427
    September 2005 to March 2007                  8,400                        1.3622

As at August 31, 2003 and 2004, these forward exchange contracts generated deferred unrealized gains of US$1,800,000 and US$1,500,000, respectively. Deferred unrealized gains were calculated using year-end exchange rates of Cdn$1.3851 = US$1.00 and Cdn$1.3167 = US$1.00 in fiscal 2003 and 2004, respectively.

18 SEGMENT INFORMATION

In September 2003, the company reorganized its business under two reportable segments: the Telecom Division and the Photonics and Life Sciences Division. The Telecom Division offers integrated test solutions to network service providers, system vendors and component manufacturers throughout the global telecommunications industry. The Photonics and Life Sciences Division mainly leverages developed and acquired core telecom technologies for high-tech industrial manufacturing and research markets.

EXFO's President and Chief Executive Officer ("CEO"), as the chief operating decision-maker, assesses the performance of the two segments and allocates resources to the segments. Each reportable segment is managed separately. Earnings (loss) from operations represent the primary measure used by the CEO in assessing performance of the reportable segments. The accounting policies of the reportable segments are the same as those applied in the consolidated financial statements.

Until August 31, 2003, the company was organized under one reportable segment, being the development, manufacturing and marketing of fiber-optic test, measurement and monitoring solutions for the global telecommunications industry.

F-35

EXFO ELECTRO-OPTICAL ENGINEERING INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(tabular amounts in thousands of US dollars, except share and per share data and as otherwise noted)

The following tables present information by segment:

                                                                 YEAR ENDED AUGUST 31, 2004
                                       --------------------------------------------------------------------------------
                                                                        PHOTONICS AND LIFE
                                            TELECOM DIVISION             SCIENCES DIVISION               TOTAL
                                       ---------------------------    ------------------------    ---------------------
Sales                                  $               58,882         $             15,748        $        74,630
Loss from operations                   $               (5,557)        $             (5,013)       $       (10,570)
Unallocated items:
Interest and other income                                                                                   1,438
Foreign exchange loss                                                                                        (278)
                                                                                                  ---------------------

Loss before income taxes                                                                                   (9,410)
Income taxes                                                                                                 (986)
                                                                                                  ---------------------

Net loss for the year                                                                             $        (8,424)
                                                                                                  =====================

Amortization of capital assets         $                6,643         $              3,372        $        10,015
                                       ===========================    ========================    =====================

Stock-based compensation costs         $                  417         $                 32        $           449
                                       ===========================    ========================    =====================

Capital expenditures                   $                  607         $                244        $           851
                                       ===========================    ========================    =====================


                                                                 YEAR ENDED AUGUST 31, 2003
                                       --------------------------------------------------------------------------------
                                                                        PHOTONICS AND LIFE
                                            TELECOM DIVISION             SCIENCES DIVISION               TOTAL
                                       ---------------------------    ------------------------    ---------------------

Sales                                  $               48,753         $             13,177        $        61,930

                                                                 YEAR ENDED AUGUST 31, 2002
                                       --------------------------------------------------------------------------------
                                                                        PHOTONICS AND LIFE
                                            TELECOM DIVISION             SCIENCES DIVISION               TOTAL
                                       ---------------------------    ------------------------    ---------------------

Sales                                  $               54,452         $             13,878        $        68,330

Comparative information for the loss from operations and related information as well as capital expenditures is not provided for each reportable segment because this information is not available and is impracticable to determine.

                                                                                         AS AT AUGUST 31,
                                                                            ----------------------------------------------
                                                                                   2004                    2003
                                                                            ----------------------  ----------------------
TOTAL ASSETS
    Telecom Division                                                        $           59,463      $           59,466
    Photonics and Life Sciences Division                                                15,915                  22,032
    Unallocated assets                                                                  97,413                  64,756
                                                                            ----------------------  ----------------------

                                                                            $          172,791      $          146,254
                                                                            ======================  ======================

Unallocated assets are comprised of cash, short-term investments and income taxes and tax credits recoverable.

As at August 31, 2004, the net carrying value of goodwill that reported to the Telecomunication test Division and the Photonics and Life Sciences Division amounted to $14,530,000 and $3,863,000, respectively.

F-36

EXFO ELECTRO-OPTICAL ENGINEERING INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(tabular amounts in thousands of US dollars, except share and per share data and as otherwise noted)

Sales to external customers by geographic region are detailed as follows:

                                                                                  YEARS ENDED AUGUST 31,
                                                                   -------------------------------------------------------
                                                                             2004               2003               2002
                                                                   -----------------  -----------------  -----------------
United States                                                      $        40,019    $        31,561    $        35,129
Canada                                                                       5,818              4,806              3,971
Latin America                                                                3,547              4,467              2,581
                                                                   -----------------  -----------------  -----------------

                                                                            49,384             40,834             41,681
Europe, Middle East and Africa                                              13,706             11,092             13,678
Asia-Pacific                                                                11,540             10,004             12,971
                                                                   -----------------  -----------------  -----------------

                                                                   $        74,630    $        61,930    $        68,330
                                                                   =================  =================  =================

Sales were allocated to geographic regions based on the country of residence of the related customers. In fiscal 2002 and 2004, one customer represented more than 10% of sales with 10.2% of sales ($6,965,000) in fiscal 2002 and 13.8% of sales ($10,325,000) in fiscal 2004. In fiscal 2003, no single customer accounted for 10% of sales or more. For fiscal 2004, the most important customer reported to the Telecom Division.

Long-lived assets by geographic region are detailed as follows:

                                                                                            AS AT AUGUST 31,
                                                                                 -----------------------------------------
                                                                                            2004                   2003
                                                                                 ------------------    -------------------
Canada                                                                           $         37,948      $         43,402
United States                                                                               6,934                 9,980
                                                                                 ------------------    -------------------

                                                                                 $         44,882      $         53,382
                                                                                 ==================    ===================

Long-lived assets consist of property, plant and equipment, the long-lived asset held for sale, intangible assets and goodwill.

19 RELATED PARTY TRANSACTIONS

In fiscal 2003, the company acquired a building from a company owned by the President of EXFO for a cash consideration of $930,000. This transaction was measured at the fair market value since it was not conducted during the normal course of operations, the change in ownership interest in the building was substantive and the fair market value was supported by an independent appraisal.

F-37

EXFO ELECTRO-OPTICAL ENGINEERING INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(tabular amounts in thousands of US dollars, except share and per share data and as otherwise noted)

For the years ended August 31, 2002 and 2003 and 2004, the company leased facilities from the company owned by the President of EXFO. The annual rental expense amounted to $234,000, $331,000 and nil, respectively. The rental expense for fiscal 2003 included $234,000 for future payments on an exited leased facility; this expense was recorded in the restructuring and other charges in the statement of earnings for that year (notes 4 and 9). As at August 31, 2004, restructuring charges payable included $194,000 due to the company owned by the President of the EXFO in connection with this exited leased facility. In September 2004, EXFO was released from its obligations under that lease, and it paid the full amount due to the related company. These rental expenses were measured at the fair market value since they were incurred during the normal course of operations.

20 UNITED STATES GENERALLY ACCEPTED ACCOUNTING PRINCIPLES

As a registrant with the Securities and Exchange Commission in the United States (SEC), the company is required to reconcile its financial statements for significant differences between generally accepted accounting principles as applied in Canada (Canadian GAAP) and those applied in the United States (U.S. GAAP). Furthermore, additional significant disclosures required under U.S. GAAP and Regulation S-X of the SEC are also provided in the accompanying financial statements and notes. The following summarizes the significant quantitative differences between Canadian and U.S. GAAP, as well as other significant disclosures required under U.S. GAAP and Regulation S-X not already provided in the accompanying financial statements.

F-39

EXFO ELECTRO-OPTICAL ENGINEERING INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(tabular amounts in thousands of US dollars, except share and per share data and as otherwise noted)

RECONCILIATION OF NET LOSS TO CONFORM TO U.S. GAAP

The following summary sets out the significant differences between the company's reported net loss and net loss per share under Canadian GAAP as compared to U.S. GAAP. Please see corresponding explanatory notes in the Reconciliation Items section.

                                                                                  YEARS ENDED AUGUST 31,
                                                                    ------------------------------------------------------

                                                                             2004              2003               2002
                                                                    ----------------- -----------------  -----------------
Net loss for the year in accordance with Canadian GAAP              $      (8,424)    $     (54,950)     $    (308,524)
Stock-based compensation costs related to stock option plan      a)           146               216                 49
Stock-based compensation costs related to stock purchase
    plan                                                         a)          (611)              (61)              (661)
Stock-based compensation costs related to restricted stock
    award plan                                                   a)          (402)             (987)            (3,038)
Unrealized gains (losses) on forward exchange contracts          b)          (280)            1,645                444
Future income taxes on forward exchange contracts                b)            --              (543)              (212)
Future income taxes on acquired in-process research and
    development                                                  d)            --                --               (444)
Amortization of intangible assets                                e)            --               832                239
Future income taxes on amortization of intangible assets         e)            --              (279)               (80)
Amortization of goodwill                                     d), e)            --                --             (9,263)
Write-down of goodwill and intangible assets                     e)            --             6,178            (62,557)
Future income taxes on write-down of intangible assets           e)            --                --              1,154
Valuation allowance on future income tax assets                  f)            --              (252)                --
                                                                    ----------------- -----------------  -----------------

Net loss for the year in accordance with
    U.S. GAAP                                                              (9,571)          (48,201)          (382,893)

Other comprehensive loss

Foreign currency translation adjustment                                     5,969            15,089               (521)
Unrealized gains on forward exchange contracts                   b)           689                --                 --
                                                                    ----------------- -----------------  -----------------

Comprehensive loss                                                  $      (2,913)    $     (33,112)     $    (383,414)
                                                                    ================= =================  =================

Basic and diluted net loss per share in accordance with
    U.S. GAAP                                                    h) $       (0.14)    $       (0.77)     $       (6.31)

F-39

EXFO ELECTRO-OPTICAL ENGINEERING INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(tabular amounts in thousands of US dollars, except share and per share data and as otherwise noted)

SHAREHOLDERS' EQUITY

As a result of the aforementioned adjustments to net loss and other comprehensive loss, significant differences with respect to shareholders' equity under U.S. GAAP are as follows:

SHARE CAPITAL

                                                                                       AS AT AUGUST 31,
                                                                    -------------------------------------------------------
                                                                              2004               2003               2002
                                                                    -----------------  -----------------  -----------------
 Share capital in accordance with Canadian GAAP                     $       521,733    $       492,452    $       489,611
 Stock-based compensation costs related to stock
     purchase plan                                        a), g)
     Current year                                                               (47)               (75)               (64)
     Cumulative effect of prior years                                         2,403              2,478              2,542
 Reclassification from other capital upon exercise of
     restricted stock awards
     Current year                                                             1,784              1,582              3,270
     Cumulative effect of prior years                                         4,852              3,270                  -
 Shares issued upon business combinations                     d)
     Cumulative effect of prior years                                        65,584             65,584             65,584
                                                                    -----------------  -----------------  -----------------

 Share capital in accordance with U.S. GAAP                         $       596,309    $       565,291    $       560,943
                                                                    =================  =================  =================

DEFERRED STOCK-BASED COMPENSATION COSTS

                                                                                      AS AT AUGUST 31,
                                                                    -------------------------------------------------------
                                                                              2004               2003               2002
                                                                    -----------------  -----------------  -----------------
 Deferred stock-based compensation costs in accordance
     with Canadian GAAP                                             $            --    $            --    $            --
 Stock-based compensation costs related to stock-based
     compensation plans                                   a), g)
     Current year                                                            (1,463)                --                 --
     Cumulative effect of prior years                                       (29,576)           (29,576)           (29,576)
 Amortization
     Current year                                                             1,718              1,483              4,698
     Cumulative effect of prior years                                        13,095             11,612              6,914
 Reduction of stock-based compensation costs
     Current year                                                                84                106                403
     Cumulative effect of prior years                                        15,203             15,097             14,694
                                                                    -----------------  -----------------  -----------------

 Deferred stock-based compensation costs in accordance
     with U.S. GAAP                                                 $          (939)   $        (1,278)   $        (2,867)
                                                                    =================  =================  =================

F-40

EXFO ELECTRO-OPTICAL ENGINEERING INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(tabular amounts in thousands of US dollars, except share and per share data and as otherwise noted)

OTHER CAPITAL

                                                                                      AS AT AUGUST 31,
                                                                   -------------------------------------------------------
                                                                             2004               2003               2002
                                                                   -----------------  -----------------  -----------------
Other capital in accordance with Canadian GAAP                     $            --    $            --    $            --
Stock-based compensation costs related to stock-based
    compensation plans                                   a), g)
    Current year                                                             1,463                 --                 --
    Cumulative effect of prior years                                        26,894             26,894             26,894
Reduction of stock-based compensation costs
    Current year                                                              (439)              (682)            (1,387)
    Cumulative effect of prior years                                       (16,613)           (15,931)           (14,544)
Reclassification to share capital upon exercise of
    restricted stock awards
    Current year                                                            (1,784)            (1,582)            (3,270)
    Cumulative effect of prior years                                        (4,852)            (3,270)                 -
                                                                   -----------------  -----------------  -----------------

Other capital in accordance with U.S. GAAP                         $         4,669    $         5,429    $         7,693
                                                                   =================  =================  =================

F-41

EXFO ELECTRO-OPTICAL ENGINEERING INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(tabular amounts in thousands of US dollars, except share and per share data and as otherwise noted)

DEFICIT

                                                                                     AS AT AUGUST 31,
                                                                   -------------------------------------------------------
                                                                             2004               2003               2002
                                                                   -----------------  -----------------  -----------------
Deficit in accordance with Canadian GAAP                           $      (380,212)   $      (371,788)   $      (316,838)
Stock-based compensation costs                               a)
    Current year                                                              (867)              (832)            (3,650)
    Cumulative effect of prior years                                       (11,406)           (10,574)            (6,924)
Unrealized gains (losses) on forward exchange
    contracts, net of income taxes                           b)
    Current year                                                              (280)             1,102                232
    Cumulative effect of prior years                                         1,451                349                117
Change in reporting currency                                 c)
    Cumulative effect of prior years                                         1,016              1,016              1,016
Future income taxes on acquired in-process research
    and development                                          d)
    Current year                                                                --                 --               (444)
    Cumulative effect of prior years                                        (1,380)            (1,380)              (936)
Amortization of intangible assets, net of income taxes       e)
    Current year                                                                --                553                159
    Cumulative effect of prior years                                           712                159                 --
Write-down of goodwill and intangible assets, net of         e)
    incomes taxes
    Current year                                                                --              6,178            (61,403)
    Cumulative effect of prior years                                       (55,225)           (61,403)                --
Valuation allowance on future income tax assets              f)
    Current year                                                                --               (252)                --
    Cumulative effect of prior years                                          (252)                --                 --
Amortization of goodwill                                 d), e)
    Current year                                                                --                 --             (9,263)
    Cumulative effect of prior years                                       (17,716)           (17,716)            (8,453)
                                                                   -----------------  -----------------  -----------------

Deficit in accordance with U.S. GAAP                               $      (464,159)   $      (454,588)   $      (406,387)
                                                                   =================  =================  =================

F-42

EXFO ELECTRO-OPTICAL ENGINEERING INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(tabular amounts in thousands of US dollars, except share and per share data and as otherwise noted)

ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)

                                                                                     AS AT AUGUST 31,
                                                                   -------------------------------------------------------
                                                                             2004               2003                2002
                                                                   -----------------  -----------------  -----------------
Accumulated other comprehensive income in accordance
    with Canadian GAAP                                             $             -    $ -                $            --
Foreign currency translation adjustment
    Current year                                                             5,969             15,089               (521)
    Cumulative effect of prior years                                         5,219             (9,870)            (9,349)
Unrealized gains on forward exchange contracts
    Current year                                             b)                689                 --                 --
                                                                   -----------------  -----------------  -----------------

Accumulated other comprehensive income (loss) in
    accordance with U.S. GAAP                                      $        11,877    $         5,219    $        (9,870)
                                                                   =================  =================  =================

BALANCE SHEETS

The following table summarizes the significant differences in balance sheet items between Canadian GAAP and U.S. GAAP:

                                                  AS AT AUGUST 31, 2004                     AS AT AUGUST 31, 2003
                                          --------------------------------------- ----------------------------------------
                                             AS REPORTED             U.S. GAAP        AS REPORTED             U.S. GAAP
Goodwill                           d), e)
    Cost                                 $          93,967    $        102,138    $          91,982     $        100,512
    Accumulated amortization                       (75,574)            (93,753)             (74,309)             (92,610)
                                         -------------------- ------------------- --------------------  ------------------

                                         $          18,393    $          8,385    $          17,673     $          7,902
                                         ==================== =================== ====================  ==================

Shareholders' equity
    Share capital                  a), d)
                                       g)$         521,733    $        596,309    $         492,452     $        565,291
    Contributed surplus                              1,986               1,537                1,519                1,519
    Cumulative translation
        adjustment                     c)           13,820                  --                7,643                   --
    Deficit                        a),
                                   b),
                                   c),
                                   d),
                                   e), f)         (380,212)           (464,159)            (371,788)            (454,588)
    Deferred stock-based
        compensation costs         a), g)               --                (939)                  --               (1,278)
    Other capital                      a)               --               4,669                   --                5,429
    Accumulated other
        comprehensive income           c)               --              11,877                   --                5,219
                                         -------------------- ------------------- --------------------  ------------------

                                         $         157,327    $        149,294    $         129,826     $        121,592
                                         ==================== =================== ====================  ==================

F-43

EXFO ELECTRO-OPTICAL ENGINEERING INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(tabular amounts in thousands of US dollars, except share and per share data and as otherwise noted)

STATEMENTS OF CASH FLOWS

For the years ended August 31, 2002, 2003 and 2004, there were no significant differences between the statements of cash flows under Canadian GAAP as compared to U.S. GAAP.

RECONCILIATION ITEMS

a) ACCOUNTING FOR STOCK-BASED COMPENSATION PLANS

Until August 31, 2003, and to conform to U.S. GAAP, the company measured stock-based compensation costs using the intrinsic value method (APB 25, "Accounting for Stock Issued to Employees"). However, since September 1, 2003, and as described in item j) below, the company accounts for stock-based compensation costs for awards granted after that date, using the fair-value based method to conform to Statement of Financial Accounting Standard (SFAS) 123, "Accounting for Stock-Based Compensation". As at August 31, 2004, deferred stock-based compensation costs related to awards accounted for under SFAS 123 amounted to $939,000.

STOCK PURCHASE PLAN

Under APB 25, compensation costs related to the stock purchase plan were measured as the difference between the fair value of the purchased stock and the purchase price paid by plan participants. Compensation costs were amortized to expense over a period of five years, being the restriction period. This plan terminated at the time of the Initial Public Offering on June 29, 2000. As at August 31, 2004, compensation costs related to this plan were fully amortized.

STOCK OPTION PLAN

Until August 31, 2003, and under APB 25, compensation costs related to the stock option plan were measured as the difference between the fair value of the underlying stock at the date of grant and the exercise price of the option. These compensation costs were amortized to expense over the estimated vesting period up to a maximum of four years. As at August 31, 2004, compensation costs related to stock options granted prior to September 1, 2003, and accounted for under APB 25 were fully amortized.

RESTRICTED STOCK AWARD PLAN

Under APB 25, compensation costs related to the restricted stock award plan were measured as the difference between the fair value of the underlying stock at the date of grant and the exercise price, which is nil. These compensation costs were amortized to expense over the estimated vesting period up to a maximum of four years, being the acquisition period. As at August 31, 2004, compensation costs related to this plan were fully amortized.

Until August 31, 2003, no compensation costs were recognized for these stock-based compensation plans under Canadian GAAP.

F-44

EXFO ELECTRO-OPTICAL ENGINEERING INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(tabular amounts in thousands of US dollars, except share and per share data and as otherwise noted)

b) FORWARD EXCHANGE CONTRACTS

On September 1, 2000, the company prospectively adopted SFAS 133, "Accounting for Derivative Instruments and Hedging Activities", and its amendments (SFAS 138), which require all derivatives to be carried onto the balance sheet at fair value. The forward exchange contracts used by the company did not qualify for hedge accounting treatment during the years ended August 31, 2002 and 2003 under U.S. GAAP; accordingly, changes in the fair value of the derivatives were charged to earnings during these years.

However, on September 1, 2003, the company implemented the documentation required by Accounting Guideline 13 of the CICA handbook, "Hedging Relationship", for the designation, documentation and assessment of the effectiveness of its forward exchange contracts, for the purposes of applying hedge accounting, as described in note 2.

With this documentation in place, the forward exchange contracts entered into by the company after September 1, 2003, qualify for hedge accounting treatment under U.S. GAAP. Consequently, under U.S. GAAP, changes in the fair value of these contracts are charged to other comprehensive loss. Upon settlement of the forward exchange contracts, changes in fair value are reclassified in the statement of earnings.

Under Canadian GAAP, foreign exchange translation gains and losses on contracts are recognized as an adjustment of the revenue when the corresponding sales are recorded, regardless of whether the contracts were entered into before or after September 1, 2003.

c) CHANGE IN REPORTING CURRENCY

On September 1, 1999, the company adopted the US dollar as its reporting currency. Under U.S. GAAP, the financial statements, including those of prior years, are translated according to the current rate method.

Under Canadian GAAP, at the time of change in reporting currency, the historical financial statements are presented using a translation of convenience. This difference between U.S. GAAP and Canadian GAAP created a permanent difference of $1,016,000 affecting the cumulative translation adjustment and the retained earnings.

d) BUSINESS COMBINATIONS

Under Canadian GAAP, until June 30, 2001, the value of shares issued upon a business combination was determined based on the market price of the shares over a reasonable period of time before and after the date of acquisition. Under U.S. GAAP, the value of shares was determined based on the market price of the shares over a reasonable period of time before and after the companies had reached an agreement on the purchase price; the significant terms of the agreement were known and the proposed transaction was announced.

Consequently, the measurement dates of the acquisitions of EXFO Burleigh and EXFO Photonic Solutions for U.S. GAAP purposes occurred on December 14, 2000, and on March 6, 2001, respectively; that is, the dates on which all significant terms of the agreements were known. The average market price of the shares a few days before and after those dates was $31.09 and

F-45

EXFO ELECTRO-OPTICAL ENGINEERING INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(tabular amounts in thousands of US dollars, except share and per share data and as otherwise noted)

$25.84, respectively. Considering the number of shares issued upon those acquisitions, the total consideration for U.S. GAAP purposes amounts to $244,198,000 ($189,270,000 under Canadian GAAP) for EXFO Burleigh and $120,802,000 ($110,146,000 under Canadian GAAP) for EXFO Photonic Solutions, thus increasing share capital and goodwill under U.S. GAAP.

However, since July 1, 2001, the shares issued upon a business combination are valued under Canadian GAAP using the same method as used under U.S. GAAP.

Furthermore, under U.S. GAAP, in-process research and development acquired in a business combination is written off at the time of acquisition and no future income taxes are recognized on this asset in the purchase price allocation process. Under Canadian GAAP, in-process research and development acquired in a business combination is capitalized and amortized over the estimated useful life. In the purchase price allocation process, future income taxes are recognized for that asset on the acquisition date. As at August 31, 2002, 2003 and 2004, in-process research and development recorded under Canadian GAAP was fully amortized.

e) WRITE-DOWN OF GOODWILL AND INTANGIBLE ASSETS

2002

Under U.S. GAAP, until the adoption of SFAS 142, "Goodwill and Other Intangible Assets", when assets being tested for recoverability were acquired in business combinations accounted for by the purchase method, the goodwill that arose in that transaction had to be included as part of the assets grouping in determining recoverability. The intangible assets tested for recoverability in fiscal 2002 were acquired in business combinations that were accounted for using the purchase method and, consequently, the company allocated goodwill to those assets on a pro rata basis using the relative fair values of the long-lived assets and identifiable intangible assets acquired as determined at the date of acquisition. The carrying value of goodwill identified with the impaired intangible assets was written down before any reduction was made to the intangible assets. Intangible assets were then written down to their fair value.

The fair value of intangible assets was determined based on discounted future cash flows. The cash flow periods used were ten and eleven years, using annual growth rates ranging between 10% and 30% and discount rates between 15% and 18%. The assumptions supporting discounted cash flows, including the cash flow periods, the annual growth rates and the discount rates reflected management's best estimates. The discount rates were based upon the company's weighted average cost of capital as adjusted for the risks associated with operations.

The unallocated portion of goodwill was tested for recoverability at the subsidiaries' level based on the related pre-tax undiscounted future cash flows using the same assumptions and methodology used for Canadian GAAP purposes.

Under U.S. GAAP, the company recorded a charge of $281,278,000 to write down a significant portion of goodwill and a pre-tax charge of $27,105,000 to write down a significant portion of acquired core technology. Of the total charge of $308,383,000, $170,079,000 was related to EXFO Burleigh for goodwill and acquired core technology, $83,637,000 was related to EXFO Photonic Solutions for goodwill and acquired core technology and $54,667,000 was related to EXFO Protocol for goodwill.

F-46

EXFO ELECTRO-OPTICAL ENGINEERING INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(tabular amounts in thousands of US dollars, except share and per share data and as otherwise noted)

Under Canadian GAAP, no allocation of goodwill was required and each asset was tested for recoverability separately based on its pre-tax undiscounted future cash flows over its expected period of use.

Also, under Canadian GAAP, the impairment loss for intangible assets was measured as the difference between the carrying value and the pre-tax undiscounted future cash flows.

Finally, under U.S. GAAP, the carrying value of goodwill reviewed for impairment was $46,380,000 higher than the carrying value of the same goodwill tested under Canadian GAAP because the measurement dates used to account for the business combinations were different between Canadian GAAP and U.S. GAAP as explained in item d).

2003

In fiscal 2003, Canadian and U.S. GAAP were harmonized to eliminate the existing differences in the assessment and measurement of impairment loss for goodwill and intangible assets. Thus, in fiscal 2003, goodwill and intangible assets were tested for impairment using similar methodologies. However, considering that the existing carrying value of goodwill and intangible assets was lower under U.S. GAAP than under Canadian GAAP, the required impairment loss under U.S. GAAP was lower.

Consequently, under U.S. GAAP, the company recorded a charge of $872,000 to write down the goodwill of EXFO Burleigh and a pre-tax charge of $377,000 to write down the acquired core technology of EXFO Burleigh, compared to a write-down of $4,505,000 for goodwill and a write-down of $2,922,000 for intangible assets under Canadian GAAP, creating a reconciliation item of $6,178,000 in the statement of earnings for the year ended August 31, 2003.

Furthermore, considering differences in the carrying value of intangible assets between Canadian GAAP and U.S. GAAP due to impairment losses, adjustments to the amortization of such assets and related future income taxes were also required in fiscal 2002 and 2003.

f) INCOME TAXES

In fiscal 2003, considering the tax effects of the adjustments discussed in items b), d) and e), the valuation allowance required under U.S. GAAP was $252,000 higher than under Canadian GAAP.

g) SHARE CAPITAL

Under Canadian GAAP, restricted shares reacquired from employees under the stock purchase plan are treated as arm's length repurchases of shares, whereas under U.S. GAAP, the reacquisition of shares would be accounted for as a forfeiture by the employee, which means that any difference between the amount originally credited to share capital and the remaining deferred compensation cost will be credited to compensation expense in the current period. The subsequent resale of the shares would be treated as an issuance of shares for the proceeds received.

F-47

h) LOSS PER SHARE

Under U.S. GAAP, the presentation of per share figures for loss before amortization and write-down of goodwill is not permitted.

i) RESEARCH AND DEVELOPMENT TAX CREDITS

Under Canadian GAAP, all research and development tax credits are recorded as a reduction of research and development expenses. Under U.S. GAAP, tax credits that are refundable against taxable income are recorded in the income taxes. These tax credits amounted to $1,761,000 and $2,599,000 for fiscal 2004 and 2002, respectively. In fiscal 2003, we had a net expense of $176,000 following the write-off of tax credits. This difference had no impact on the net loss and the net loss per share figures for the reporting years.

j) NEW ACCOUNTING STANDARD

On September 1, 2003, the company prospectively adopted SFAS 123, "Accounting for Stock-Based Compensation", under the revised transition provisions of SFAS 148, "Accounting for Stock-Based Compensation - Transition and Disclosure". Upon the adoption of SFAS 123 and SFAS 148, the company recognized stock-based compensation costs for stock options granted to employees since September 1, 2003, using the fair value-based method. The company adopted this Statement in order to conform to the newly adopted rules under Canadian GAAP, as described in note 2. As a result of the adoption of the fair value-based method, the accounting for stock-based compensation under Canadian GAAP and U.S. GAAP is the same for awards granted after September 1, 2003.

ACCOUNTING FOR STOCK-BASED COMPENSATION

Under U.S. GAAP, until August 31, 2003, the company elected to measure compensation costs related to grants of stock options and stock awards using the intrinsic value method of accounting. In this instance, however, under SFAS 123, the company is required to make pro forma disclosures of net loss, and net loss per share as if the fair value-based method of accounting had been applied. If the fair value based method had been applied, the pro forma net loss per share would have been lower than the net loss per share by $0.02 in fiscal 2004 and higher by $0.01 and $0.08 in 2003 and 2002, respectively.

The fair value of options or awards granted was estimated using the Black-Scholes options pricing model with the following weighted average assumptions:

F-48

EXFO ELECTRO-OPTICAL ENGINEERING INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(tabular amounts in thousands of US dollars, except share and per share data and as otherwise noted)

YEARS ENDED AUGUST 31,

                                      2004         2003          2002
                                 ------------ ------------ --------------
Risk-free interest rate                2.7%         4.8%          4.5%
Expected volatility                    100%          80%           80%
Dividend yield                          Nil          Nil           Nil
Expected life                     49 months    36 months     40 months

F-49

                                TABLE OF CONTENTS

PART I.........................................................................2
   ITEM 1.      IDENTITY OF DIRECTORS, SENIOR MANAGEMENT AND ADVISORS..........2

   ITEM 2.      OFFER STATISTICS AND EXPECTED TIMETABLE........................2

   ITEM 3.      KEY INFORMATION................................................2

     A.         SELECTED FINANCIAL DATA........................................2
     B.         CAPITALIZATION AND INDEBTEDNESS................................4
     C.         REASONS FOR THE OFFER AND USE OF PROCEEDS......................4
     D.         RISK FACTORS...................................................4

   ITEM 4.      INFORMATION ON THE COMPANY....................................18

     A.         HISTORY AND DEVELOPMENT OF THE COMPANY........................18
     B.         BUSINESS OVERVIEW.............................................20
     C.         ORGANIZATIONAL STRUCTURE......................................41
     D.         PROPERTY, PLANT AND EQUIPMENT.................................41

   ITEM 6.      DIRECTORS, SENIOR MANAGEMENT AND EMPLOYEES....................67

     A.         DIRECTORS AND SENIOR MANAGEMENT...............................67
     B.         COMPENSATION..................................................71
     C.         BOARD PRACTICES...............................................80
     D.         EMPLOYEES.....................................................81
     E.         SHARE OWNERSHIP...............................................82

   ITEM 7.      MAJOR SHAREHOLDERS AND RELATED PARTY TRANSACTIONS.............84

     A.         MAJOR SHAREHOLDERS............................................84
     B.         RELATED PARTY TRANSACTIONS....................................84

   ITEM 8.      FINANCIAL INFORMATION.........................................85

     A.         CONSOLIDATED STATEMENTS AND OTHER FINANCIAL INFORMATION.......85
     B.         SIGNIFICANT CHANGES...........................................87

   ITEM 10.     ADDITIONAL INFORMATION........................................90

   ITEM 10.     ADDITIONAL INFORMATION........................................90

     A.         SHARE CAPITAL.................................................90
     B.         MEMORANDUM AND ARTICLES OF ASSOCIATION........................90
     C.         MATERIAL CONTRACTS............................................90
     D.         EXCHANGE CONTROLS.............................................90
     E.         TAXATION......................................................90
     F.         DIVIDENDS AND PAYING AGENTS...................................98
     G.         STATEMENT BY EXPERTS..........................................98
     H.         DOCUMENTS ON DISPLAY..........................................98
     I.         SUBSIDIARY INFORMATION........................................98
   ITEM 11.     QUALITATIVE AND QUANTITATIVE DISCLOSURES ABOUT MARKET RISK....99

   ITEM 12.     DESCRIPTION OF SECURITIES OTHER THAN EQUITY SECURITIES.......100

PART II......................................................................100

   ITEM 13.     DEFAULTS, DIVIDENDS ARREARAGES AND DELINQUENCIES.............100

   ITEM 14.     MATERIAL MODIFICATIONS TO THE RIGHTS OF SECURITY HOLDERS
                AND USE OF PROCEEDS..........................................100

   ITEM 15.     CONTROLS AND PROCEDURES......................................100

   ITEM 16.     [RESERVED]...................................................100

PART III.....................................................................102
   ITEM 17.     FINANCIAL STATEMENTS.........................................102

   ITEM 18.     FINANCIAL STATEMENTS.........................................102

   ITEM 19.     EXHIBITS.....................................................103

IMPAIRMENT OF LONG-LIVED ASSETS................................................8


                                  EXHIBIT INDEX

NUMBER                             EXHIBIT
------   -----------------------------------------------------------------------
 1.1     Amended Articles of Incorporation of EXFO (incorporated by reference to
         Exhibit 3.1 of EXFO's Registration Statement on Form F-1, File No.
         333-38956).

 1.2     Amended By-laws of EXFO (incorporated by reference to Exhibit 1.2 of
         EXFO's annual report on Form-20F dated January 15, 2003).

 1.3     Amended and Restated Articles of Incorporation of EXFO (incorporated by
         reference to Exhibit 1.3 of EXFO's annual report on Form 20-F dated
         January 18, 2001).

 2.1     Form of Subordinate Voting Share Certificate (incorporated by reference
         to Exhibit 4.1 of EXFO's Registration Statement on Form F-1, File No.
         333-38956).

 2.2     Form of Registration Rights Agreement between EXFO and Germain Lamonde
         dated July 6, 2000 ) (incorporated by reference to Exhibit 10.13 of
         EXFO's Registration Statement on Form F-1, File No. 333-38956).

 3.1     Form of Trust Agreement among EXFO, Germain Lamonde, GEXFO
         Investissements Technologiques inc., Fiducie Germain Lamonde and G.
         Lamonde Investissements Financiers inc. (incorporated by reference to
         Exhibit 4.2 of EXFO's Registration Statement on Form F-1, File No.
         333-38956).

 4.1     Agreement of Merger and Plan of Reorganization, dated as of November 4,
         2000, by and among EXFO, EXFO Sub, Inc., EXFO Burleigh Instruments,
         Inc., Robert G. Klimasewki, William G. May, Jr., David J. Farrell and
         William S. Gornall (incorporated by reference to Exhibit 4.1 of EXFO's
         annual report on Form 20-F dated January 18, 2001)

 4.2     Amendment No. 1 to Agreement of Merger and Plan of Agreement, dated as
         of December 20, 2000, by and among EXFO, EXFO Sub, Inc., EXFO Burleigh
         Instruments, Inc., Robert G. Klimasewski, William G. May, Jr., David J.
         Farrell and William S. Gornall (incorporated by reference to Exhibit
         4.2 of EXFO's annual report on Form 20-F dated January 18, 2001).

 4.3     Agreement of Merger, dated as of August 20, 2001, by and among EXFO,
         Buyer Sub, and Avantas Networks Corporation and Shareholders of Avantas
         Networks corporation (incorporated by reference to Exhibit 4.3 of
         EXFO's annual report on Form 20-F dated January 18, 2002).

 4.4     Amendment No. 1 dated as of November 1, 2002 to Agreement of Merger,
         dated as of August 20, 2001, by and among EXFO, 3905268 Canada Inc.,
         Avantas Networks Corporation and Shareholders of Avantas Networks
         (incorporated by reference to Exhibit 4.4 of EXFO's annual report on
         Form 20-F dated January 18, 2002).

 4.5     Offer to purchase shares of Nortech Fibronic Inc., dated February 6,
         2000 among EXFO, Claude Adrien Noel, 9086-9314 Quebec inc., Michel
         Bedard, Christine Bergeron and Societe en Commandite Capidem Quebec
         Enr. and Certificate of Closing, dated February 7, 2000 among the same
         parties (including summary in English) (incorporated by reference to
         Exhibit 10.2 of EXFO's Registration Statement on Form F-1, File No.
         333-38956).

 4.6     Share Purchase Agreement, dated as of March 5, 2001, among EXFO
         Electro-Optical Engineering, Inc., John Kennedy, Glenn Harvey and EFOS
         Corporation (incorporated by reference to Exhibit 4.1 of EXFO's
         Registration Statement on Form F-3, File No. 333-65122).

 4.7     Amendment Number One, dated as of March 15, 2001, to Share Purchase
         Agreement, dated as of March 5, 2001, among EXFO Electro-Optical
         Engineering, Inc., John Kennedy, Glenn Harvey and EFOS Corporation.
         (incorporated by reference to Exhibit 4.2 of EXFO's Registration
         Statement on Form F-3, File No. 333-65122).

 4.8     Share Purchase Agreement, dated as of November 2, 2001 between JDS
         Uniphase Inc. and 3905268 Canada Inc. (incorporated by reference to
         Exhibit 4.8 of EXFO's annual report on Form 20-F dated January 18,
         2002).

 4.9     Intellectual Property Assignment and Sale Agreement between EFOS Inc.,
         EXFO Electro-Optical Engineering, Inc., John Kennedy, Glenn Harvey and
         EFOS Corporation. (incorporated by reference to Exhibit 4.3 of EXFO's
         Registration Statement on Form F-3, File No. 333-65122).

 4.10    Offer to acquire a building, dated February 23, 2000, between EXFO and
         Groupe Mirabau inc. and as accepted by Groupe Mirabau inc. on February
         24, 2000 (including summary in English) (incorporated by reference to
         Exhibit 10.3 of EXFO's Registration Statement on Form F-1, File No.
         333-38956).

 4.11    Lease Agreement, dated December 1, 1996, between EXFO and GEXFO
         Investissements Technologiques inc., as assigned to 9080-9823 Quebec
         inc. on September 1, 1999 (including summary in English) (incorporated
         by reference to Exhibit 10.4 of EXFO's Registration Statement on Form
         F-1, File No. 333-38956).

 4.12    Lease Agreement, dated March 1, 1996, between EXFO and GEXFO
         Investissements Technologiques inc., as assigned to 9080-9823 Quebec
         inc. on September 1, 1999 (including summary in English) (incorporated
         by reference to Exhibit10.5 of EXFO's Registration Statement on Form
         F-1, File No. 333-38956).

 4.13    Lease renewal of the existing leases between 9080-9823 Quebec inc. and
         EXFO, dated November 30, 2001(incorporated by reference to Exhibit 4.13
         of EXFO's annual report on Form 20-F dated January 18, 2002).

NUMBER                             EXHIBIT
------   -----------------------------------------------------------------------

 4.14    Loan Agreement between EXFO and GEXFO Investissements Technologiques
         inc., dated May 11, 1993, as assigned to 9080-9823 Quebec inc. on
         September 1, 1999 (including summary in English) (incorporated by
         reference to Exhibit 10.9 of EXFO's Registration Statement on Form F-1,
         File No. 333-38956).

 4.15    Resolution of the board of directors of EXFO, dated September 1, 1999,
         authorizing EXFO to acquire GEXFO Distribution Internationale inc. from
         GEXFO Investissements Technologiques inc. (including summary in
         English) (incorporated by reference to Exhibit 10.10 of EXFO's
         Registration Statement on Form F-1, File No. 333-38956).

 4.16    Form of Promissory Note of EXFO issued to GEXFO Investissements
         Technologiques inc. dated June 27, 2000 ) (incorporated by reference to
         Exhibit 10.12 of EXFO's Registration Statement on Form F-1, File No.
         333-38956).

 4.17    Term Loan Offer, dated March 28, 2000, among EXFO and National Bank of
         Canada as accepted by EXFO on April 3, 2000 (including summary in
         English) (incorporated by reference to Exhibit 10.11 of EXFO's
         Registration Statement on Form F-1, File No. 333-38956).

 4.18    Employment Agreement of Germain Lamonde dated May 29, 2000
         (incorporated by reference to Exhibit 10.15 of EXFO's Registration
         Statement on Form F-1, File No. 333-38956).

 4.19    Employment Agreement of Bruce Bonini dated as of September 1, 2000
         (incorporated by reference to Exhibit 4.24 of EXFO's annual report on
         Form 20-F dated January 18, 2002).

 4.20    Employment Agreement of Juan-Felipe Gonzalez dated as of September 1,
         2000 (incorporated by reference to Exhibit 4.25 of EXFO's annual report
         on Form 20-F dated January 18, 2002).

 4.21    Employment Agreement of David J. Farrell dated as of December 20, 2000
         (incorporated by reference to Exhibit 4.26 of EXFO's annual report on
         Form 20-F dated January 18, 2002).

 4.22    Deferred Profit Sharing Plan, dated September 1, 1998 (incorporated by
         reference to Exhibit 10.6 of EXFO's Registration Statement on Form F-1,
         File No. 333-38956).

 4.23    Stock Option Plan, dated May 25, 2000 (incorporated by Reference to
         Exhibit 10.7 of EXFO's Registration Statement on Form F-1, File No.
         333-38956).

 4.24    Share Plan, dated April 3, 2000 (incorporated by reference to Exhibit
         10.8 of EXFO's Registration Statement on Form F-1, File No. 333-38956).

 4.25    Directors' Compensation Plan (incorporated by reference to Exhibit
         10.17 of EXFO's Registration Statement on Form F-1, File No.
         333-38956).

 4.26    Restricted Stock Award Plan, dated December 20, 2000 (incorporated by
         reference to Exhibit 4.21 of EXFO's annual report on Form 20-F dated
         January 18, 2001).

 4.27    Asset Purchase Agreement by and Among EXFO Electro-Optical Engineering
         Inc., EXFO Gnubi Products Group Inc., gnubi communications, L.P., gnubi
         communications General Partner, LLC, gnubi communications Limited
         Partner, LLC, gnubi communications, Inc., Voting Trust created by The
         Irrevocable Voting Trust Agreement Among Carol Abraham Bolton, Paul
         Abraham and James Ray Stevens, James Ray Stevens and Daniel J. Ernst
         dated September 5, 2002 (incorporated by reference to Exhibit 4.30 of
         EXFO's annual report on Form 20-F dated January 15, 2003).

 4.28    EXFO Protocol Inc. Executive Employment Agreement with Sami Yazdi
         signed November 2, 2001 (incorporated by reference to Exhibit 4.28 of
         EXFO's annual report on Form 20-F dated January 15, 2003).

 4.29    Second Amending Agreement to the Employment Agreement of Bruce Bonini
         dated as of September 1, 2002, (incorporated by reference to Exhibit
         4.29 of EXFO's annual report on Form 20-F dated January 15, 2004).

 4.30    Severance and General Release Agreement with Bruce Bonini dated August
         8, 2003, (incorporated by reference to Exhibit 4.30 of EXFO's annual
         report on Form 20-F dated January 15, 2004)..

 4.31    Separation Agreement and General Release with Sami Yazdi dated April 1,
         2003, (incorporated by reference to Exhibit 4.31 of EXFO's annual
         report on Form 20-F dated January 15, 2004).

 4.32    Executive Employment Agreement of James Stevens dated as of October 4,
         2003, (incorporated by reference to Exhibit 4.32 of EXFO's annual
         report on Form 20-F dated January 15, 2004).

 4.33    Termination Terms for John Holloran Jr. dated May 28, 2003,
         (incorporated by reference to Exhibit 4.33 of EXFO's annual report on
         Form 20-F dated January 15, 2004).

 4.34    Employment Agreement of Pierre Plamondon dated as of September 1, 2002,
         (incorporated by reference to Exhibit 4.34 of EXFO's annual report on
         Form 20-F dated January 15, 2004).

 8.1     Subsidiaries of EXFO (list included in Item 4C of this annual report).

 11.1    Code of Ethics for senior financial officers, (incorporated by
         reference to Exhibit 11.1 of EXFO's annual report on Form 20-F dated
         January 15, 2004).

 12.1    Certification of the Chief Executive Officer Pursuant to Section 302 of
         the Sarbanes-Oxley Act of 2002.

 12.2    Certification of the Chief Executive Officer Pursuant to Section 906 of
         the Sarbanes-Oxley Act of 2002.

 13.1    Certification of the Chief Financial Officer Pursuant to Section 302 of
         the Sarbanes-Oxley Act of 2002.

 13.2    Certification of the Chief Financial Officer Pursuant to Section 906 of
         the Sarbanes-Oxley Act of 2002.

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