Timing of Sierra Wireless Second Quarter 2009 Financial Results

Vancouver, Canada-July 28, 2009

Sierra Wireless (NASDAQ: SWIR - TSX: SW) will release its financial results for the quarter ended June 30, 2009  after the market closes on Thursday, July 30, 2009. Sierra Wireless President and CEO, Jason Cohenour, and CFO, David McLennan, will hold a conference call with analysts and investors to discuss the results at 6:00 PM Eastern time the same day.  A live slide presentation will also be available for viewing from the webcast link below.

Conference Call and Webcast:

Date and Time:  Thursday, July 30, 2009 at 6:00 PM Eastern time

Conference call number: 1-800-732-9303 or 1-416-644-3414.



To access the web broadcast and presentation for the call, please enter http://w.on24.com/r.htm?e=157054&s=1&k=3EE3CB5BDE24423F291AFC57228B5251. Microsoft Windows Media Player software is required. To download the software, go to: www.microsoft.com/windows/windowsmedia/download.

To participate in this conference call or webcast, please connect approximately ten minutes prior to the commencement of the call.

For those unable to participate in the live call, an instant replay will be available for seven business days. Dial 1-877-289-8525 or 1-416-640-1917 and enter passcode 21309445 plus the pound key to access the instant replay. 

The webcast will remain available at the above link for 90 days following the call.
This information and the above links are also available from the Investors section of the Sierra Wireless website, at www.sierrawireless.com/corporate/conferencecall.aspx.

About Sierra Wireless

Sierra Wireless (NASDAQ: SWIR – TSX: SW) products connect people and machines to wireless networks around the world. We offer an advanced, comprehensive product line, addressing consumer, enterprise, original equipment manufacturer, and specialized vertical industry markets. We also offer a wide range of professional and operated services. Our solutions are used for mobile computing, transportation, industrial M2M (machine-to-machine), enterprise, residential and consumer communications applications. For more information about Sierra Wireless, visit www.sierrawireless.com.

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.