Press Release

April 10, 2002

Rogers AT&T Wireless First To Introduce New BlackBerry 5810 With Wireless Data And Voice Services In Canada

Integrated BlackBerry 5810 Available Across Canada on the Rogers AT&T Wireless GSM/GPRS Network

Toronto, ON and Waterloo, ON - Rogers AT&T Wireless and Research In Motion Limited (RIM) (Nasdaq: RIMM; TSE: RIM) today announced the arrival of the highly anticipated BlackBerry 5810 Wireless Handheld™ through Rogers AT&T Wireless in Canada. The Java™-based BlackBerry 5810™ operates on the extensive Rogers AT&T Wireless GSM/GPRS network.

Developed by RIM, the BlackBerry 5810 from Rogers AT&T Wireless integrates the functionality and convenience of a wireless phone with the popular features of the BlackBerry™ wireless corporate email solution as well as anytime, anywhere access to an integrated calendar, address book and task list. Mobile professionals can easily manage important information and communications by email, phone, two-way text messaging and personal organizer capabilities in a single, integrated handheld. The powerful handheld is also equipped with an earpiece and microphone for safe, convenient, hands-free wireless phone calls.

"This advanced wireless communications tool is a strong addition to our suite of leading-edge GSM/GPRS wireless data products and services," said Mansell Nelson, Vice President and General Manager, Interactive Mobile Services, Rogers AT&T Wireless. "The BlackBerry 5810 is a truly innovative wireless solution that enables anytime, anywhere access to corporate information while on the go."

Effective today, the Rogers AT&T Wireless GSM/GPRS network reaches over 90% of Canada's population, making it the largest integrated voice and data wireless network in Canada. By mid-2002, the Rogers AT&T Wireless GSM/GPRS network will match the Company's extensive analog coverage reaching 93% of the Canadian population. The Rogers AT&T Wireless GSM/GPRS network provides Canadian access to "always on" GPRS wireless packet data service, along with GSM digital voice service.

"The BlackBerry solution continues to lead the industry in terms of innovation, value and completeness for business and government customers," said Don Morrison, Chief Operating Officer at Research In Motion. "With our new BlackBerry 5810 and the Rogers AT&T Wireless GSM/GPRS network, you can now enjoy phone services as well as secure, wireless integration with your email account from a single, easy-to-use handheld."

The BlackBerry 5810 from Rogers AT&T Wireless costs $749 and is available across Canada through Rogers AT&T Wireless Corporate Sales channels. For information about additional BlackBerry solutions including the RIM 950™ and RIM 957™ handhelds from Rogers AT&T Wireless, running on the Mobitex network, visit the Rogers AT&T Wireless website at www.rogers.com.

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 solution, embedded radio-modems and software development tools. Founded in 1984 and based in Waterloo, Ontario RIM operates offices in Canada, the United States and Europe. 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.

About Rogers AT&T Wireless

Rogers Wireless Inc. Operates under the co-brand Rogers AT&T Wireless and has offices in Canadian cities from coast to coast. Rogers AT&T Wireless is Canada's leading wireless communications service provider, offering a complete range of wireless solutions including Digital PCS, cellular, advanced wireless data services, and one and two-way messaging services to a total of more than 3.4 million customers across the country. Rogers Wireless Communications Inc. (TSE: RCM.B; NYSE: RCN) is approximately 56% owned by Rogers Communications Inc., and approximately one-third owned by AT&T Wireless Services, Inc.

The BlackBerry and RIM families of related marks, images and symbols are the exclusive properties of Research In Motion Limited. All other brands, products and company names mentioned herein may be trademarks or registered trademarks of their respective holders. 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, 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.

™ Rogers Communications Inc. Used under License.
® AT&T Corp. Used under License.