Sierra Wireless to deliver AirCard 775 wireless network cards to the South African market

Leaf Wireless to distribute AirCard 775 and AirCard 750 products in South Africa and surrounding regions
Vancouver, Canada and Johannesburg, South Africa -March 01, 2005

Sierra Wireless (NASDAQ: SWIR - TSX: SW) and Leaf Wireless (Pty) Ltd. today announced an agreement to distribute the Sierra Wireless AirCard® 775 EDGE wireless wide area network card and the AirCard 750 GPRS/GSM wireless wide area network card through Leaf Wireless in South Africa and surrounding regions. The products are expected to be commercially available in the region in the coming weeks.

“AirCard wireless network cards allow mobile professionals worldwide to reliably connect to the information they need to work effectively from wherever they might be,” said Derek Evans, Sierra Wireless Vice President and Managing Director for Europe, Middle East, and Africa. “We are pleased to work with Leaf Wireless to offer customers the productivity benefits that Sierra Wireless AirCard wireless network cards can provide.”

Quinton Leigh, Managing Director of Leaf Wireless, stated: “There is a huge base of potential mobile data users waiting for the right enabling technology. The market for wireless data in South Africa is growing, and combining our well-established mobile services and infrastructure with the highly regarded AirCard line from an industry leader like Sierra Wireless allows us to offer our customers some of the best solutions available for mobile connectivity.”

AirCard 775
About the size of a credit card, the Sierra Wireless AirCard 775, a quad-band, multi-slot Class 12 EDGE PC Card, is the newest addition to Sierra Wireless’ award-winning AirCard line of wireless network cards. Ideal for mobile professionals who are heavy data users, the AirCard 775 allows users to transfer data at speeds averaging between 100 and 130 kbps (kilobits per second), with bursts up to 200 kbps. The quad-band operation (850/900/1800/1900 MHz) also enables worldwide roaming on EDGE and GSM/GPRS networks.

AirCard 750
The Sierra Wireless AirCard 750 is a tri-band wireless network card operating on GSM/GPRS networks. It enables mobile customers using a notebook computer or handheld device to wirelessly connect to the Internet, email, and corporate applications with LAN-like connectivity when away from the office. The GPRS multi-slot Class 12 capabilities provide the highest GPRS throughput on the market today and superior power management minimizes power consumption. A true Type II PC Card, the AirCard 750 integrates into the Windows notebook or handheld device and supports Windows 95 (OSR 2 and higher), 98, NT 4.0, 2000, Me, XP, PPC 2000, PPC 2002 and HPC2000.

To purchase the Sierra Wireless AirCard 775 or AirCard 750 wireless network cards from Leaf Wireless, please call +27 11 326 1844 or email sales@leafwireless.com.

For more information about the Sierra Wireless AirCard 775 and 750 products, please visit www.sierrawireless.com/product/pccard.aspx. To contact the Sierra Wireless Sales Desk, call +1 604-232-1488 or e-mail sales@sierrawireless.com.

Note to editors:
To view and download images of Sierra Wireless products, please visit http://www.sierrawireless.com/product/photos.aspx.

About Leaf Wireless
Leaf Wireless, based in Johannesburg, South Africa, is a global convergence technology company. The company currently develops and maintains fully integrated end-to-end mobile solutions and services which include context-based applications; platform design; hosting; and mobile media content creation. Leaf Wireless is a company which leads through innovation and it is with this that it is able to deliver solutions which provide key customer retention strategies, excellent return on investment - while at the same time enhancing the lives of the client's extended customer community.

Founded in 1999, Leaf Wireless continues to deliver products, solutions and strategies and its client base extends all vertical markets as well as some of SA's most respected corporate, media and entertainment organisations.

The Leaf Wireless platform touches over one million people each and every day.

About Sierra Wireless
Sierra Wireless is a leader in delivering highly differentiated wireless solutions that enable our customers to improve their productivity and lifestyle. Sierra Wireless develops and markets the AirCard, the industry-leading wireless PC card line for portable computers; embedded modules for OEM wireless applications; the MP line of rugged vehicle-mounted connectivity solutions; and Voq Professional Phone, a line of mobile phones with easy-to-use, secure software solutions for mobile professionals. For more information about Sierra Wireless please visit www.sierrawireless.com.

"AirCard" is a registered trademark of Sierra Wireless. "Voq Professional Phone" is a trademark of Sierra Wireless, Inc. 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.


For Further Information Contact:

Sharlene Myers
Sierra Wireless
Phone: (604) 232 1445
Email: smyers@sierrawireless.com

Janine Botes
Livewired Communications
Phone: +27 011 504-9850
Email: janinebotes@livewired.co.za

Craig Cottrell
Leaf Wireless
Phone: 011 326 1844
Mobile: 082 884 1539