Sierra Wireless and Certicom to Showcase Secure Wireless VPN for the Enterprise at CTIA Wireless I.T. & Internet 2001 

WirelessReady™ Alliance Member Conference, SAN DIEGO, Calif., September 10, 2001 - Sierra Wireless (NASDAQ: SWIR; TSE: SW) today announced the addition of Certicom, (NASDAQ: CERT; TSE: CIC), a leading provider of mobile e-business security, to the WirelessReady Alliance. The companies have also reached an agreement to bundle the Sierra Wireless AirCard® 300 wireless network card with Certicom's movianVPN™, that will extend enterprise applications by providing mobile workers with secure wireless network access to enterprise data and e-mail without information being intercepted by unauthorized users. 

Sierra Wireless and Certicom's bundled solution consists of Certicom's movianVPN, the industry's first broadly interoperable IPSec wireless virtual private network (VPN) client for handheld devices, and the always-on Sierra Wireless AirCard 300 wireless network card that can be used on handhelds and laptops. Certicom's movianVPN software works on Palm 3.5 and Windows CE 3.0 handheld devices and can communicate with leading VPN gateways from Alcatel, Check Point Software, Cisco, Intel, Nortel Networks, Radguard and Symantec. 

"By working with Certicom, Sierra Wireless is strengthening its commitment to develop comprehensive wireless solutions that meet the exact needs of the enterprise," said Andrew Harries, senior vice president, corporate development for Sierra Wireless. "Certicom's expertise in providing information security software and services for mobile e-business makes them a valuable addition to the WirelessReady Alliance, and ensures that the Alliance continues to bring wireless partners together to increase the rate of wireless adoption." 

Founded in 1998 by Sierra Wireless, the WirelessReady Alliance continues to grow in prominence in the wireless industry as world leaders in wireless devices and applications work together to deliver superior wireless data solutions to the growing mobile computing market. 

The WirelessReady Alliance is composed of 50 wireless device manufacturers, software application vendors, and wireless and value-added enterprise service providers, all of whom provide products or services that help to enable the delivery of wireless data. WirelessReady Alliance members work together to bring to market complete and compelling wireless data solutions that accelerate the rate of mobile computing and wireless data adoption. 

"Wireless connectivity is a key driver for the adoption of enterprise-level wireless data strategies and we believe the combination of movianVPN with Sierra Wireless' leading products will further drive the wide-scale deployment of applications for the fast growing number of mobile workers," said Prakash Panjwani, senior vice president, business development for Certicom. "Joining the WirelessReady Alliance gives Certicom the opportunity to meet with industry peers, share valuable knowledge and develop strong partnerships that will help ensure that we continue to provide secure network access to mobile workers." 

Both Sierra Wireless and Certicom are exhibiting at CTIA Wireless I.T., being held from September 12-13, 2001 at the San Diego Convention Center in San Diego. Demonstrations of Sierra Wireless and Certicom's bundled solution as well as Sierra Wireless' award-winning line of AirCard wireless network cards and Certicom's information security software and services will take place at the Sierra Wireless booth, #2031. 

About Certicom
Certicom is a leading provider of information security software and services, specializing in solutions for mobile e-business. The company's products and services are specifically designed to address the challenges imposed by a wireless data environment. Certicom's solutions incorporate its efficient encryption technology and are based on industry standards for information security that utilize public-key cryptography. Certicom's products are currently licensed to more than 200 customers including Cisco Systems, Inc., Handspring Inc., Motorola, Inc., Nortel Networks, Openwave Systems, Inc., Palm, Inc., QUALCOMM, Inc., Research In Motion Ltd., Sony International (Europe) GmbH and Verizon Communications Inc. Certicom's headquarters and worldwide sales and marketing operations are based in the Silicon Valley in Hayward. For more information, visit Certicom's Web site at

About Sierra Wireless
Sierra Wireless, Inc. is a leading provider of wireless data communications products. Sierra Wireless delivers wireless PC Cards for portable computers, wireless adapters for PDA's, OEM modules for embedded applications and rugged vehicle-mounted wireless systems. Sierra Wireless is the founding member of the WirelessReady Alliance, an alliance of industry-leading hardware, software and service companies committed to the delivery of complete and compelling wireless data solutions. For more information on Sierra Wireless, visit its Web site at

About WirelessReady Alliance
Sierra Wireless founded the WirelessReady Alliance in December 1998 with a mission to accelerate the rate of mobile computing adoption through the delivery of complete and compelling wireless data solutions. Each member of the WirelessReady Alliance brings unique knowledge of their markets as well as a credible and established reputation for delivery of best-in-class products. WirelessReady Alliance members also receive wireless-related marketing, sales, technology and product support from the Alliance's knowledge base. WirelessReady Alliance administration is the responsibility of Sierra Wireless. The WRA has its own Web site that includes comprehensive wireless data information and complete solutions offered by some of its members. The site also features, among other things, 10 steps to making your Web site wireless ready, and links to wireless news. Visit the site at

For more information on the WirelessReady Alliance, please contact the program manager, Leslie Cannon, at (604) 233-6302 or via email at

"AirCard" is a registered trademark of Sierra Wireless, Inc. "WirelessReady" is a trademark of Sierra Wireless, Inc. Certicom, movian and movianVPN are trademarks of Certicom Corp. All other trademarks or service marks in this news release are the trademarks or service marks of their respective owners. 

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 and demand conditions, and other expectations, intentions and plans contained in this press release that are not historical fact. Our expectations regarding future revenues depend upon our ability to manufacture and supply products which 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. 

Except for historical information contained herein, this press release contains forward-looking statements that involve risks and uncertainties. Actual results may differ materially. Factors that might cause a difference include, but are not limited to, those relating to the acceptance of mobile and wireless devices and the continued growth of e-commerce and m-commerce, the increase of the demand for mutual authentication in m-commerce transactions, the acceptance of Elliptic Curve Cryptography (ECC) technology as an industry standard, the market acceptance of our principal products and sales of our customer's products, the impact of competitive products and technologies, the possibility of our products infringing patents and other intellectual property of fourth parties, and costs of product development. Certicom will not update these forward-looking statements to reflect events or circumstances after the date hereof. More detailed information about potential factors that could affect Certicom's financial results is included in the documents Certicom files from time to time with the Securities and Exchange Commission and Canadian securities regulatory authorities. 

For further information, please contact: 

Kathleen Gallagher Hugh Scholey
Sierra Wireless, Inc. High Road Communications (for Sierra Wireless)
(604) 233-6309 (416) 368-8348  
Lorraine Kauffman Carol Paterson
Corporate Communications Lois Paul & Partners (for Certicom)
Certicom Corp. (415) 262-1908
(510) 780-5417