Media Advisory: Sierra Wireless to present at Piper Jaffray Ninth Annual Semiconductor and Communications Conference

Vancouver, B.C.-May 07, 2007
Sierra Wireless (NASDAQ: SWIR - TSX: SW) today announced the company’s upcoming participation in the Piper Jaffray Ninth Annual Semiconductor and Communications Conference, to be held May 9 and 10 in New York.

Jason Cohenour, President and Chief Executive Officer for Sierra Wireless, will be presenting on Wednesday, May 9 at 10:50 A.M. Eastern time.

The presentation will be available live by webcast over the Internet at www.corporate-ir.net/ireye/conflobby.zhtml?ticker=SWIR&item_id=1530064. The archived webcast will be available approximately one hour after the live presentation and will remain available at the above link for 30 days following the presentation.

About Sierra Wireless
Sierra Wireless (NASDAQ: SWIR – TSX: SW) develops and markets wide area wireless solutions for mobile computing. The Sierra Wireless product portfolio includes the award-winning AirCard® line of wireless modems, embedded modules for original equipment manufacturers (OEMs), and the MP line of rugged, vehicle-mounted wireless modems. Sierra Wireless also offers professional services to OEM customers during product development, leveraging the company’s expertise in wireless design and integration to provide built-in wireless connectivity for notebook computers and other portable computing devices. Sierra Wireless is headquartered in Richmond, British Columbia, Canada, with additional offices in Carlsbad, California, London, and Hong Kong. For more information about Sierra Wireless, please visit www.sierrawireless.com.

“AirCard” is a registered trademark of Sierra Wireless. Other product or service names mentioned herein may be the trademarks of their respective owners.