EXFO Investor/Media Advisory

    QUEBEC CITY, Sept. 17 /CNW Telbec/ - EXFO Electro-Optical Engineering
Inc. (NASDAQ: EXFO, TSX: EXF) announced today upcoming events on its investor
relations calendar.
    First, Pierre Plamondon, CA, Vice-President of Finance and Chief
Financial Officer, will make a presentation at the CIBC World Markets
Institutional Investor Conference at 1:30 p.m. (Eastern time) on September 23,
2008, in Montreal. He will outline EXFO's market opportunities, competitive
advantages and value proposition to institutional investors on-site. An audio
Webcast of the presentation will be available live at www.EXFO.com, under the
Investors section. It will also be archived for a limited period.
    Secondly, EXFO will release its fourth-quarter and year-end financial
results for fiscal 2008 after the close of stock markets on October 15, 2008.
The release will be followed by a conference call at 5 p.m. (Eastern time) to
review EXFO's results. To listen to the conference call and participate in the
question period via telephone, dial 1-416-620-5690.
    Germain Lamonde, Chairman, President and CEO, and Mr. Plamondon will
participate in the call. An audio replay will be available one hour after the
end of the conference call until 7 p.m. on October 22, 2008. The replay number
is 1-402-977-9141 and the reservation number is 21393109. The live audio
Webcast and replay of the conference call will also be available on EXFO's
Website at www.EXFO.com/investors.

    IR Calendar

    - CIBC World Markets Institutional Investor Conference, Sept. 23, 2008,
      1:30 p.m. (Eastern time), Montreal (Audio Webcast:
      www.EXFO.com/investors).

    - Fourth-Quarter and Year-End Financial Results for Fiscal 2008, Oct. 15,
      2008, 5:00 p.m. (Eastern time), Montreal (Audio Webcast:
      www.EXFO.com/investors).

    About EXFO

    EXFO is a leading provider of test and monitoring solutions for network
service providers and equipment manufacturers in the global telecommunications
industry. The Telecom Division offers a wide range of innovative solutions
extending across the full technology lifecycle -- from design to technology
deployment and onto service assurance -- and covering all layers on a network
infrastructure to enable triple-play services and next-generation, converged
IP networking. The Life Sciences and Industrial Division offers solutions in
medical device and opto-electronics assembly, fluorescence microscopy and
other life science sectors. For more information, visit www.EXFO.com.

For further information: Vance Oliver, Manager, Investor Relations,
(418) 683-0913, Ext. 3733, vance.oliver@exfo.com