Press Release

September 19, 2000

Bell Mobility To Offer BlackBerry Wireless Email Solution

Service Enables Bell Mobility Customers to Access Email and the Internet from the Palm of Their Hand

Waterloo and Toronto, Ontario - Research In Motion Limited (Nasdaq: RIMM; TSE: RIM) (RIM) and Bell Mobility today announced that Bell Mobility will offer the award-winning BlackBerry™ wireless email solution for use on its leading ARDIS wireless data network. Bell Mobility will offer both BlackBerry Exchange Edition™ and BlackBerry Internet Edition™ to customers in Canada.

BlackBerry is an end-to-end wireless email solution designed to allow mobile users to access their email wherever they go. BlackBerry features an integrated package of powerful wireless handhelds with integrated email/organizer software, PC docking cradle, PC synchronization software, optional enterprise server software and affordable airtime on Bell Mobility's ARDIS network, which offers national coverage.

In addition, Bell Mobility has teamed with Neomar, Inc. to offer Neomar's WAP microbrowser for BlackBerry Wireless Handhelds™ enabling access to more than 40 wireless-enabled sites on Bell Mobility's Mobile Browser™ service.

"For more than a year Bell Mobility has brought the best of the web to Canadian consumers via the wireless Internet," said Charlotte Burke, Vice President Services Development at Bell Mobility. "Combining our Mobile Browser™ service with the popular BlackBerry wireless email solution and the Neomar microbrowser now enables us to deliver the same functionality and choice to Canadian businesses."

"RIM has a long history of developing leading wireless technology for ARDIS networks," said David Werezak, Vice President, Marketing at Research In Motion. "We look forward to extending our relationship with Bell Mobility and delivering BlackBerry to its broad base of Canadian customers."

RIM's BlackBerry Exchange Edition is available through Bell Mobility today. Blackberry Internet Edition is expected to be available in October 2000.

Bell Mobility

The Bell Mobility Inc. family of companies provides a complete range of wireless communications solutions - cellular, paging, data, PCS and airline passenger communications services - to 2.7 million Canadian customers. Bell Mobility Radio provides two-way voice and wireless data services to public safety and emergency services agencies. Bell Mobility Inc. is a wholly-owned subsidiary of Bell Canada. For more information on Bell Mobility, visit the website at http://www.bellmobility.ca

RIM

Research In Motion Limited is a leading designer, manufacturer and marketer of innovative wireless solutions for the mobile communications market. Through development and integration of hardware, software and services, RIM provides solutions for seamless access to time-sensitive information including email, messaging, Internet and intranet-based applications. RIM technology also enables a broad array of third party developers and manufacturers around the world to enhance their products and services with wireless connectivity. RIM's portfolio of award-winning products includes the RIM Wireless Handheld™ product line, the BlackBerry™ wireless email solution, wireless personal computer card adapters, embedded radio-modems and software development tools. Founded in 1984 and based in Waterloo, Ontario RIM operates offices in Canada, the United States and England. RIM is listed on the Nasdaq Stock Market (Nasdaq: RIMM) and the Toronto Stock Exchange (TSE: RIM). For more information, visit www.rim.net. Investors may contact investor_relations@rim.net. Customers may contact info@rim.net. Web site: www.rim.net.

Neomar

Neomar is the leading provider of Wireless Application Protocol (WAP)-based wireless services for PDAs (personal digital assistants). Enterprises and business executives who depend on the Internet for information and business-critical applications can now access those services with any Neomar powered PDA. Based on WAP, the global standard for wireless Internet connectivity, Neomar's microbrowser is the first commercially available for wireless PDAs. In addition, Neomar is working with premier Internet content, services and technology partners to bring a full suite of wireless services to business and enterprise customers. Neomar, a privately-held start-up company based in San Francisco, California, was founded in June 1999. For more information, please call 415-403-7300 or visit Neomar's web site at www.neomar.com.

Research In Motion, RIM, RIM Wireless Handheld, the RIM logo, BlackBerry, BlackBerry Wireless Handheld, BlackBerry Exchange Edition, BlackBerry Internet Edition and the BlackBerry logo are trademarks of Research In Motion Limited. Research In Motion and RIM are registered with the U.S. Patent and Trademark Office. All other brands, products and company names mentioned herein may be trademarks or registered trademarks of their respective holders. Forward-looking statements in this news release are made pursuant to the "safe harbor" provisions of the United States Private Securities Litigation Reform Act of 1995. Investors are cautioned that such forward-looking statements involve risks and uncertainties, including, without limitation, risks relating to possible product defects and product liability, risks related to international sales and potential foreign currency exchange fluctuations, risks related to the year 2000 issue, continued acceptance of RIM's products, increased levels of competition, technological changes, dependence on intellectual property rights and other risks detailed from time to time in RIM's periodic reports filed with the United States Securities and Exchange Commission and other regulatory authorities.