Media Advisory - Sierra Wireless to report first quarter results on May 4, 2011

VANCOUVER, April 28 /PRNewswire-FirstCall/ - Sierra Wireless (NASDAQ: SWIR) (TSX: SW) will release financial results for the quarter ended March 31, 2011 after market close on Wednesday, May 4, 2011. 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

To participate in this conference call, please dial the following number approximately 10 minutes prior to the starting time:

• Toll-free (Canada and U.S.): 1-888-231-8191
• Alternate number: 1-647-427-7450

For those unable to participate in the live call, a replay will be available for seven business days following. Dial 1-800-642-1687 or 1-416-849-0833 (outside the toll-free area or within Toronto area) and enter passcode 45205838 followed by the pound (#) 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.

Sierra Wireless Q1 2011 Financial Results Webcast
(If the above link does not work please copy and paste the following into your browser: http://event.on24.com/r.htm?e=288251&s=1&k=FBF41962C96C836695287538BA3CBF9B.)

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

About Sierra Wireless

Sierra Wireless (NASDAQ: SWIR) (TSX: SW) offers industry-leading mobile computing and machine-to-machine (M2M) communications products and solutions that connect people, devices, and applications over cellular networks. Wireless service providers, equipment manufacturers, enterprises and government organizations around the world depend on us for reliable wireless technology. We offer 2G, 3G and 4G wireless modems, routers and gateways as well as a comprehensive suite of software, tools, and services that ensure our customers can successfully bring wireless applications to market.  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.

SOURCE Sierra Wireless, Inc.