Collaboration with Carl Zeiss produces latest addition to renowned series of Burleigh physiology platforms QUEBEC CITY, CANADA, July 23, 2008 - EXFO Electro-Optical Engineering Inc.'s Life Sciences and Industrial Division (NASDAQ: EXFO, TSX: EXF) announced today the release of the latest Burleigh Gibraltar® fixed-stage platform for the new Carl Zeiss Axio Examiner Microscope.

This latest Gibraltar, a result of collaboration between EXFO and Carl Zeiss, has been specifically designed for the new Carl Zeiss Axio Examiner Fixed-Stage Microscope to maximize ergonomics and provide an open, sturdy platform for the most demanding electrophysiological research. Available in both manual and motorized versions, the fully configurable Gibraltar offers a flexible mounting solution to meet the needs of discerning physiologists and microscope users.

"This Gibraltar upgrade demonstrates our continuous development of best-in-class research instrumentation," said Allan Firhoj, Vice-President and General Manager of EXFO's Life Sciences and Industrial Division. "We are committed to offering investigators high-value application solutions to meet and exceed their expectations."

Combined with the motorized Burleigh® PCS-6000 manipulators, the Gibraltar Platform and Carl Zeiss Axio Examiner upright microscope ensures fast and efficient, hands-free movement and vibration-free, ultra-stable productivity. This arrangement of products is ideal for:

• Slice electrophysiology;
• Multiple-patch experiments;
• Time-lapse photography of different areas;
• Flash photolysis and patch-clamp recording of areas not in the same field of view; and,
• Confidence that important positions of interest can be repeatedly accessed and imaged simply and efficiently

For more information about the Gibraltar® or Burleigh® product lines, please visit www.exfo-burleigh.com. For information about Carl Zeiss' Axio Examiner Fixed-Stage Microscope, please visit www.zeiss.com.

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 about EXFO's Telecom Division, visit www.EXFO.com, and for its Life Sciences and Industrial Division, visit www.EXFO-LSI.com.

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