EXFO Investor Advisory Third-Quarter Financial Results for Fiscal 2011

EXFO Investor Advisory Third-Quarter Financial Results for Fiscal 2011

QUEBEC CITY, June 6, 2011 (GLOBE NEWSWIRE) — EXFO Inc. (Nasdaq:EXFO) (TSX:EXF) announced today that it will release its third-quarter financial results for fiscal 2011 after the close of stock markets on Tuesday, June 28, 2011. 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 1-416-981-9017.

Germain Lamonde, EXFO’s Chairman, President and CEO, and Pierre Plamondon, CA, Vice-President of Finance and Chief Financial Officer, 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 July 5, 2011. The replay number is 1-402-977-9141 and the reservation number is 21525391. The live audio Webcast and replay of the conference call will also be available on EXFO’s website at www.EXFO.com/investors.

About EXFO

Listed on the NASDAQ and TSX stock exchanges, EXFO is among the leading providers of next-generation test and service assurance solutions for wireless and wireline network operators and equipment manufacturers in the global telecommunications industry. The company offers innovative solutions for the development, installation, management and maintenance of converged, IP fixed and mobile networks — from the core to the edge. Key technologies supported include 3G, 4G/LTE, IMS, Ethernet, OTN, FTTx, and various optical technologies (accounting for an estimated 35% of the portable fiber-optic test market). EXFO has a staff of approximately 1700 people in 25 countries, supporting more than 2000 telecom customers worldwide. For more information, visit www.EXFO.com.

EXFO Brand Name

The corporate name of the company is EXFO Inc. The company requests that all media outlets and publications use the corporate name (“EXFO Inc.”) or abbreviated name (“EXFO”) in capital letters for branding purposes. EXFO would like to thank all parties in advance for their cooperation.

CONTACT: Vance Oliver

         Manager, Investor Relations

         (418) 683-0913, Ext. 3733

         vance.oliver@exfo.com