ERCO & GENER selects Sierra Wireless embedded modules for mobile broadband connectivity

Sierra Wireless modules provide 3G connectivity within the GenPro 30e modem for M2M applications
Vancouver (Canada)-June 18, 2008

Sierra Wireless (NASDAQ: SWIR - TSX: SW) and ERCO & GENER today announced that ERCO & GENER has selected Sierra Wireless embedded modules to provide HSPA network connectivity for the GenPro 30e modem. ERCO & GENER designs, manufactures and markets communication systems for the French and export markets. The GenPro 30e modem is designed for M2M applications and is currently available in France and the European market.

“The growing availability of mobile broadband networks has made mobile broadband a practical option for many M2M applications,” said Charles Chaussonnier, Managing Director for ERCO & GENER. “Working with Sierra Wireless to provide high-speed mobile broadband data connectivity to the GenPro 30e modem enables us to offer a wireless alternative for our customers that can accommodate even large amounts of data efficiently and reliably.”

“Embedding a wireless module into a device like the GenPro 30e modem, which is then integrated into another piece of equipment, requires a high level of confidence in the performance and reliability of the module,” said Jim Lahey, Vice President, EMEA for Sierra Wireless. “Sierra Wireless is committed to providing OEM customers like ERCO & GENER with the high quality and reliability they need to be confident in their embedded wireless connection, regardless of the application.”

Sierra Wireless EMPOWERED™
Sierra Wireless 3G embedded modules are powerful, cost effective solutions that easily integrate into laptops, portable devices and fixed wireless terminals, offering complete wireless data solutions over HSPA and EV-DO Rev A networks. Sierra Wireless EMPOWERED™ devices deliver the same reliable, high-quality mobile broadband connectivity customers have come to expect from Sierra Wireless, embedded and optimized within the host device to offer the best possible performance.

For more information about Sierra Wireless embedded modules, please visit http://www.sierrawireless.com/product/oemmodules.aspx. To contact the Sierra Wireless Sales Desk, call +1 (604) 232-1488 or e-mail sales@sierrawireless.com.

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About ERCO & GENER
With a positioning in the Machine to Machine (M2M) market segment since its creation in 1981, ERCO & GENER is now the French leader in the industrial modem market. The company designs, manufactures, and markets communication systems for the French and export markets. These systems are designed to meet the robustness, reliability and endurance demands of these markets. The technical expertise of the engineering department also allows ERCO & GENER to provide customized solutions. For more information, please visit www.ercogener.com.

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.

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

Forward Looking Statements
This press release contains forward-looking statements that involve risks and uncertainties. These forward-looking statements relate to, among other things, plans and timing for the introduction or enhancement of our services and products, statements about future market conditions, supply conditions, channel and end customer demand conditions, revenues, gross margins, operating expenses, profits, and other expectations, intentions, and plans contained in this press release that are not historical fact. Our expectations regarding future revenues and earnings depend in part upon our ability to successfully develop, manufacture, and supply products that we do not produce today and that meet defined specifications. When used in this press release, the words "plan", "expect", "believe", and similar expressions generally identify forward-looking statements. These statements reflect our current expectations. They are subject to a number of risks and uncertainties, including, but not limited to, changes in technology and changes in the wireless data communications market. In light of the many risks and uncertainties surrounding the wireless data communications market, you should understand that we cannot assure you that the forward-looking statements contained in this press release will be realized.