Press Release

February 26, 2001

Research In Motion And BT Cellnet Sign Supply Agreement For The BlackBerry Wireless Email Solution

Waterloo, ON - Research In Motion Limited (RIM) (Nasdaq: RIMM; TSE: RIM), a world leader in the mobile communications market, today announced its first major European supply agreement for the BlackBerry™ wireless email solution with UK mobile telecommunications operator BT Cellnet. Under the terms of the agreement, Research In Motion UK Limited will supply BT Cellnet with BlackBerry Enterprise Edition™ for distribution in the UK. The supply agreement includes a commitment to order 175,000 BlackBerry Wireless Handhelds™ with associated software and service.

Operating over BT Cellnet’s GPRS (General Packet Radio Service) network, BlackBerry will provide users with a seamless and secure link to their corporate email. BlackBerry Enterprise Edition is an end-to-end wireless email solution that features the industry's most advanced wireless handheld with support for Java 2 Micro Edition (J2ME) and integrated email/organizer software, a PC docking cradle, PC synchronization software, enterprise server software, end-to-end encryption technology and airtime on BT Cellnet's nationwide GPRS network.

"The BlackBerry wireless email solution has been a phenomenal success in North America since its launch in 1999. We are delighted to work with BT Cellnet to bring this proven solution to the UK market," said Charles Meyer, director and vice president for Research In Motion UK Limited.

Stuart Newstead, BT Cellnet's general manager of wireless data services said, "Mobile email connectivity and integration are vital for business users. The unique merits of BlackBerry demonstrate BT Cellnet's commitment to providing the best applications available to take advantage of the high speed 'always on' GPRS network."

About BlackBerry

Key Features of the BlackBerry Wireless Email Solution:

• Advanced wireless handhelds - slim and lightweight with large (16 or 20-line) screen, thumb-operated keyboard and trackwheel; embedded wireless modem (no external antenna needed), plus integrated email and organizer software.
• Single mailbox integration with corporate email systems - allows users to keep their existing email address and manage one single mailbox.
• Powerful email features - read, originate, forward, reply, delete or file messages using the wireless handheld (inbox and folders are synchronized between the wireless handheld and PC); user-selectable message filters allow user to control email flow.
• Full-featured connected organizer - includes calendar, address book, task list, memo pad, calculator and alarm; synchronizes with PC using docking cradle and Puma Technology's award-winning Intellisync™ software.
• 'Always On, Always Connected® - designed to operate 24 hours per day while remaining connected to the wireless network to allow easy notification of incoming email; uses "push model" of email delivery; email automatically finds the user; no dialling-in; no initiating connections; no effort required.
• End-to-end security - email is encrypted using Triple DES and remains encrypted at all points between the PC (or server) and wireless handheld; meets strict corporate security guidelines for company-confidential information.
• BlackBerry Enterprise Server - enterprise server software provides centralized management and control with a scalable architecture.
• End-to-end solution - customers receive easy-to-use wireless handhelds, productive desktop utilities, innovative server software and nationwide airtime on a leading network in one completely integrated solution.

About BT Cellnet

• Today BT Cellnet has 10.24 million customers using its voice services including over 1 million customers with Mobile Internet enabled phones
• BT Cellnet is a wholly owned subsidiary of BT plc
• www.btcellnet.net

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 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.

Research In Motion, RIM, BlackBerry, BlackBerry Wireless Handheld and 'Always On, Always Connected' are trademarks of Research In Motion Limited. Research In Motion, RIM and 'Always On, Always Connected' are registered with the U.S. Patent and Trademark Office and may be pending or registered in other countries. 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.