Press Release

November 28, 2000

Research In Motion Signs Supply Agreement With BellSouth Wireless Data

BellSouth Wireless Data offers RIM 950 and RIM 957 Wireless Handhelds With Range Of Applications and Services Under BellSouth® MyBiz^SM Interactive Including Interactive Messaging PLUS and the BlackBerry Wireless Email Solution

Waterloo, Ontario - Research In Motion Limited (RIM) (Nasdaq: RIMM; TSE: RIM), a world leader in the mobile communications market, today announced a new agreement with BellSouth Wireless Data to supply a total of 150,000 RIM Wireless Handhelds™. Under the terms of the agreement, RIM will supply 75,000 RIM 950 Wireless Handhelds™ and 75,000 RIM 957 Wireless Handhelds™. Shipments of the RIM 957™ are scheduled to be delivered over the next ten months and shipments of the RIM 950™ are scheduled for delivery within a twelve-month period commencing March, 2001.

BellSouth Wireless Data is a longstanding strategic partner with RIM and already offers RIM Wireless Handhelds together with an expanding suite of applications and services for both individuals and enterprises under BellSouth MyBiz Interactive. In addition to the supply agreement for RIM Wireless Handhelds announced today, RIM and BellSouth Wireless Data have also signed a distribution agreement to allow BellSouth to directly offer the BlackBerry™ wireless email solution to its corporate customers. This agreement significantly expands RIM's distribution for the BlackBerry solution and allows BellSouth Wireless Data to offer its customers another leading enterprise solution.

"As an experienced leader in the wireless data business and a member of the Cingular Wireless family which is the nation's second-largest wireless company serving more than 19 million customers, BellSouth Wireless Data is well poised to offer RIM products and solutions to customers across the United States," said Jim Balsillie, Chairman and Co-CEO at Research In Motion. "RIM looks forward to working together with BellSouth to continue delivering innovative mobile solutions that allow people to tap the power of the wireless Internet."

"The RIM 957 Wireless Handheld represents yet another popular wireless device that will be enabled for our cutting edge services under BellSouth MyBiz Interactive," said Donald Kovalevich, President and CEO of BellSouth Wireless Data. "RIM is a market leader and we're pleased that its family of critically acclaimed wireless handhelds is part of our strategy to ensure that the marketplace has a number of devices to choose from that are enabled for the BellSouth Intelligent Wireless Network^SM, which is the power behind BellSouth MyBiz Interactive."

BellSouth MyBiz Interactive offers businesses and individuals the capability to customize their mobile world by selecting different combinations of wireless services for communications, accessing information, performing e-commerce and other applications, all on a single wireless handheld.

About RIM Wireless Handhelds:

RIM Wireless Handhelds deliver award-winning wireless technology in sleek, ergonomic devices with large, crisp displays and easy-to-use keyboards. Both the RIM 950 and RIM 957 operate on BellSouth Wireless Data's 900 MHz wireless data network.

Key features include:

• Integrated wireless email - support for the BlackBerry wireless email solution and the BellSouth Interactive Messaging PLUS service.
• 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.
• Wireless Internet / intranet - access to information on the Web and corporate intranets using microbrowser technology and portal services from various technology partners and content providers.
• Industry-leading performance - with 32-bit Intel 386 processor, up to 5 MB flash memory plus 512 KB SRAM, embedded wireless modem, optimized keyboard, thumb-operated trackwheel, large backlit screen, multiple notification alerts (tone, vibrate, and/or visual indicator), docking cradle, intuitive interface and integrated email / organizer software.
• Slim mobile design - extremely compact and lightweight despite providing completely embedded wireless technology, easy-to-use keyboard and high-quality screen.
• '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 and other important information such as paging and stock alerts.

About BellSouth Wireless Data

BellSouth Wireless Data, L.P., headquartered in Woodbridge, N.J., is an expert in providing proven wireless data communications solutions that eliminate the barriers between critical information and mobile users; it also provides telemetry and transactions applications. BellSouth Wireless Data operates its wireless data service throughout the United States, covering more than 93 percent of the urban business population located in 492 Metropolitan Statistical Areas (MSAs) and non-MSAs with a total population of 200 million people. Recognized as the industry leader, the company was the recipient of several major awards during 1999 from such entities as Microsoft, PC Computing, Frost & Sullivan, Wireless Week and Mobile Insights.

BellSouth Wireless Data is a member of the Cingular Wireless family. Cingular Wireless, a joint venture between SBC (NYSE:SBC) and BellSouth (NYSE: BLS), provides wireless voice and data service to more than 19 million customers in 38 states, the District of Columbia and two U.S. territories. SBC and BellSouth share control of Cingular Wireless. Cingular operates in 42 of the top 50 markets in the United States.

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, the RIM logo, the RIM Wireless Handheld family of marks, BlackBerry, the BlackBerry logo, the "envelope in motion" symbol 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.