Media Advisory - Sierra Wireless to release second quarter results July 29,
2010

VANCOUVER, July 26 /CNW/ - Sierra Wireless (NASDAQ: SWIR; TSX: SW) will release financial results for the quarter ended June 30, 2010 after the market closes on Thursday, July 29, 2010. Sierra Wireless President and CEO, Jason Cohenour, and CFO, David McLennan, will host a conference call and webcast with analysts and investors to review the results at 5:30 PM Eastern daylight time the same day. A live slide presentation will be available for viewing during the call from the link provided below.

Conference Call

    
    Date / Time:  July 29, 2010 at 5:30 PM Eastern time

    Dial:         1-888-231-8191 (Toll free in Canada and U.S.)
                  [phone] (Alternate number)
    

For those unable to participate in the live call, an instant replay will be available for seven business days following. Dial 1-800-642-1687 (Canada and U.S.) or [phone] (outside toll-free area) and enter passcode 79283474 followed by the pound (No.) key to access the replay.

Webcast

A webcast presentation will also be available for viewing in conjunction with the conference call. To access the webcast, please follow the link below and choose one of the following options:

    
    -  If you are following the conference call on the phone, please choose
       the "Non-Streaming" version.

    -  If you would prefer to follow online only, with streaming audio,
       select any of the other options according to your preferred format.
    

Link: http://event.on24.com/r.htm?e=218669&s=1&k=CA8CF12C48755ABFF6F27C77C947A4FC (If the above link is broken, please copy and paste into your web browser.)

The webcast will remain available at the above link for at least 90 days following the call.

About Sierra Wireless

Sierra Wireless (NASDAQ: SWIR -TSX: SW) is expanding the wireless world with a comprehensive offering of hardware, software, and connected services for mobile lifestyles and machine-to-machine communications. Our customers count on us to help them succeed with early access to new wireless technologies and innovative, reliable, high-performing solutions for a broad range of 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.

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For further information: Sharlene Myers, Sierra Wireless, [phone], [email protected]