Sierra Wireless to present at Lehman Brothers Worldwide Wireless and Wireline Conference

Vancouver (Canada)-May 27, 2008

Sierra Wireless (NASDAQ: SWIR – TSX:SW) today announced the company’s participation in the Lehman Brothers Worldwide Wireless and Wireline Conference, to be held May 28 to 29, in New York.

Jason Cohenour, President and Chief Executive Officer for Sierra Wireless, will be presenting on Thursday, May 29, at 3:00 PM Eastern Time.

The presentation will be available live by webcast over the Internet at http://cc.talkpoint.com/LEHM002/052808a_jw/default.asp?entity=Sierra. The archived webcast will remain available at the above link for 90 days following the presentation.

About Sierra Wireless
Sierra Wireless (NASDAQ: SWIR – TSX: SW) modems and software connect people and systems to mobile broadband networks around the world. The Company offers a diverse product portfolio addressing enterprise, consumer, original equipment manufacturer, specialized vertical industry, and machine-to-machine markets, and provides professional services to customers requiring expertise in wireless design, integration, and carrier certification. For more information about Sierra Wireless, visit www.sierrawireless.com.