Corporate Announcement by EXFO January 6th, 2005 8:30 a.m. ET

Windows Media Audio      System Test

Speakers Germain Lamonde, Chairman of the Board, President and CEO About EXFO EXFO is a leading vendor of fiber-optic test, measurement and monitoring solutions for the global telecommunications industry. EXFO is listed on the NASDAQ Stock Exchange (NASDAQ: EXFO) and the Toronto Stock Exchange (TSX: EXF).

For more information on EXFO visit the web site at www.exfo.com.