COMPANY NEWS

Sierra Wireless and TELUS Mobility Announce the Availability of High-Speed Wireless PC Cards Across Canada

AirCard® 555 Wireless Network Card Connects Mobile Users on TELUS Mobility's New National 1X Network

Vancouver, British Columbia - June 3, 2002 - Sierra Wireless (NASDAQ: SWIR - TSE: SW) announced today the commercial availability of the AirCard® 555 as part of TELUS Mobility's Velocity Wireless service now operating on the new TELUS Mobility CDMA2000 1X network. When inserted into a laptop or handheld device, the AirCard 555 wireless network card allows mobile users to work as if they never left the office with fast, always-on access to the Internet, e-mail, and other personal or corporate information, in addition to sending and receiving voice calls. TELUS Mobility clients can now experience a faster wireless connection and higher performance WAN (wide area network) solution on the new TELUS Mobility 1X network along with the Sierra Wireless AirCard 555.

TELUS Mobility's new network is the first to offer 1X service in major urban centers across Canada. The company will continue to expand its 1X service to smaller population centres and rural communities, and to the United States through a roaming agreement with partner Verizon, later in 2002.

"The launch of our new, national 1X network has opened the door for data products like the AirCard 555, one of the most innovative wireless products on the market today," said Robert Blumenthal, Vice President of Products and Services for TELUS Mobility. "Our clients can now design their own wireless workplace with quick and reliable access to information, providing a convenient computing solution to mobile professionals who need to stay connected anywhere, anytime."

The AirCard 555 wireless network card is the first dual band CDMA2000 1X PC card in North America. It has been recognized for numerous awards including a Best of Show award at Fall Internet World and most recently an Editor's Choice award by PC Magazine, for its attention to high-speed wireless voice and data access and low power consumption. The AirCard 555 will also enable users to add voice and short messaging service capabilities to their laptops, PDAs, and other computing devices while experiencing superior power management.

"Sierra Wireless and TELUS Mobility continue their long-standing partnership to deliver cutting edge wireless solutions to mobile users that demand real time access to information," said Jason Cohenour, Senior Vice President Distribution. "Designed for users in the field or on the road, the AirCard 555 combined with the services offered by TELUS Mobility will provide wireless freedom and mobility with high-speed connectivity. As the need for high performance wireless products continues to grow, we remain committed to delivering solutions that will ensure Canadian mobile users have all the necessary tools that will enable them to stay connected in a growing mobile world."

The AirCard 555 offers reliable mobile wireless connectivity on the TELUS Mobility network at data speeds between 40-60 kbps, which is comparable to what PC users get when using a dial-up Internet service, and up to 144 kbps in optimal conditions. The unique dual band design (800MHz Cellular and 1900MHz PCS band operation) also offers maximum coverage and access to the entire TELUS Mobility CDMA networks, including existing IS95A networks, and the new CDMA2000 1X high-speed network - ensuring a reliable wireless connection while on the road or away from the office. For more information about the AirCard 555 please visit http://www.sierrawireless.com/ProductsOrdering/AC5551xRTT.html.

The AirCard 555 is currently available as part of TELUS Mobility's Velocity Wireless offering, a one-box wireless computing solution for mobile professionals, and is sold and supported by more than 200 certified TELUS Mobility data dealers across Canada. For more information about purchasing the AirCard 555 please visit www.telusmobility.com/velocitywireless.

Sierra Wireless and TELUS Mobility have a history of delivering wireless products to mobile users including the AirCard 300, the first Type II PC Card Cellular Digital Packet Data (CDPD) modem for Handheld PCs announced in April 2001. Both Sierra Wireless and TELUS Mobility are members of the WirelessReady™ Alliance, a program founded by Sierra Wireless that unites wireless industry-leading members in the development of complete and compelling wireless data solutions.