Press Release

March 15, 2000

Research In Motion Signs Agreement With Rogers AT&T Wireless To Supply BlackBerry Wireless Email Solution

Rogers AT&T Wireless To Distribute BlackBerry Internet Edition In Canada

Waterloo, ON - Research In Motion Limited (Nasdaq: RIMM; TSE: RIM) today announced it signed an agreement with Canada's largest wireless provider - Rogers AT&T Wireless - to distribute BlackBerry™ Internet Edition in Canada. As part of the agreement, Rogers AT&T Wireless placed an initial order for ten thousand BlackBerry Handhelds.

"Rogers AT&T Wireless customers have been enjoying the benefits of two-way email communications since we first launched our Interactive Messaging service in January 1999," said David Neale, Vice President, Product Development, Rogers AT&T Wireless. "BlackBerry adds further functionality, including full integration with Microsoft Outlook's calendar, tasks and address book to this already robust communications device."

BlackBerry Internet Edition offers customers a singlemailbox, mobile solution with both wireless and Web-based access to email. Rogers AT&T Wireless will supply customers with a single email address and single mailbox that can be accessed through their BlackBerry Wireless Handheld and through a PC using a password-protected Rogers Web site. This dual approach provides customers with the flexibility to manage their email when and where it's convenient. The BlackBerry Wireless Handheld allows easy mobile access while Web-access allows the added flexibility to easily retrieve, create, forward, print and archive email including attachments from any Web-enabled PC.

"Working with Rogers AT&T Wireless allows us to reach an important market of mobile professionals in Canada and satisfy the growing demand for wireless email," said David Werezak, VP Marketing, Research In Motion. "The upgrade and expansion of the Rogers AT&T wireless data network together with RIM's leading BlackBerry solution delivers a highly competitive offering for the mobile consumer."

The Rogers AT&T Mobitex wireless network was built by Ericsson Canada. Mobitex provides a secure, reliable, two-way digital wireless packet data transmission service ideal for a variety of data communication solutions. Mobitex is recognized as an international data transmission standard and operates in over 40 countries worldwide.

Key Features of BlackBerry Internet Edition:

• Powerful RIM Wireless Handheld - with Intel386™ processor, 2 MB Intel Flash memory, embedded wireless modem, optimized keyboard, thumb-operated trackwheel, easy-to-read backlit screen and integrated email/organizer software; wearable size - 3.5" x 2.5" x 0.93"; operates on one AA alkaline battery.
• Single mailbox integration with Internet mailbox - only one mailbox to manage; user-selectable message filters.
• Read, originate, forward and reply to email using handheld.
• Full-featured, connected organizer - includes calendar, address book, task list and alarm; synchronizes with PC using docking cradle and Puma Technology's award-winning Intellisync™ Software (included).
• Always On, Always Connected™ - "push model" of email delivery; no dialing in; no raising antenna or initiating connections; email finds the user; no effort required.
• Nationwide coverage and affordable pricing.
• End-to-end solution.

About Rogers AT&T Wireless

Rogers Wireless Inc. operates under the co-brand Rogers™ AT&T® Wireless and is Canada's largest wireless provider serving over 2.6 million customers from coast to coast. Rogers AT&T Wireless provides a complete range of wireless solutions including cellular, paging and Interactive Messaging, Digital PCS and wireless data services. Rogers AT&T Wireless is 51% owned by Rogers Communications Inc. and 33.3% owned equally by AT&T Corp. and British Telecommunications plc.

About Research In Motion

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 in North America and around the world to enhance their products and services with wireless connectivity. RIM's portfolio of award-winning products includes the RIM Inter@ctive™Pager 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 is listed on the Nasdaq Stock Market (Nasdaq: RIMM) and the Toronto Stock Exchange (TSE: RIM). Investors may contact investor_relations@rim.net. Customers may contact info@rim.net. Web site: www.rim.net.

Research In Motion, RIM, the RIM logo, Inter@ctive, Inter@ctive Pager, BlackBerry, the BlackBerry logo, BlackBerry Wireless Handheld and 'Always On, Always Connected' 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.