Press Release

November 29, 2005

RIM and Movilnet Venezuela To Introduce BlackBerry Solution for EV-DO Network

Caracas, Venezuela and Waterloo, Ontario - Telecomunicaciones Movilnet CA (Movilnet Venezuela) and Research In Motion (RIM) (Nasdaq: RIMM; TSX: RIM) today announced plans to introduce the BlackBerry® wireless solution to mobile professionals in Venezuela. Movilnet Venezuela will offer BlackBerry services on its EV-DO and CDMA1X networks with support for both BlackBerry Enterprise Server™ and BlackBerry Internet Service™.

Movilnet will become the first wireless operator to offer the innovative BlackBerry wireless solution in Venezuela. Commercial launch of the BlackBerry solution is expected in the coming weeks.

For corporate customers, BlackBerry Enterprise Server™ tightly integrates with Microsoft® Exchange, IBM Lotus® Domino™ and Novell GroupWise™ enterprise systems to enable secure, push-based, wireless access to e-mail and other corporate data.

BlackBerry Enterprise Server v4.0 sets the standard for secure wireless data access with advanced encryption features, including support for Triple DES, AES and content protection on the handheld device.

For individuals and smaller businesses, BlackBerry Internet Service™ allows users to access up to ten corporate and/or personal email accounts (including Microsoft Exchange, IBM Lotus Domino and most popular ISP email accounts) from a single device.

About Movilnet Venezuela

TELECOMUNICACIONES MOVILNET is the leading Digital Wireless Communications provider in Venezuela. It is wholly owned by Compañía Anónima Nacional Telefónos de Venezuela (CANTV), the leading telecommunications services provider in Venezuela with over 3 million fixed access lines in service, over 4 million mobile subscribers and almost 262 thousand broadband subscribers as of September 30, 2005. Cantv’s principal strategic stockholder is a wholly-owned subsidiary of Verizon Communications Inc. with 28.5% of the capital stock. Other major stockholders include the Venezuelan Government with 6.6% of the capital stock (Class B Shares), employees, retirees and employee trusts which own 6.8% (Class C Shares) and the remaining 58.1% of the capital stock is held by public and other stockholders.

Cantv’s stock is traded in the Caracas Stock exchange and has an ADR program in the NYSE (NYSE: VNT). In 2005, Movilnet became the first operator in Venezuela and the second operator in Latin America to launch an Ev-DO network, which currently offers the broadest 3G coverage in Venezuela. For more information, visit www.movilnet.com.ve or www.cantv.com.ve.

About Research In Motion

Research In Motion is a leading designer, manufacturer and marketer of innovative wireless solutions for the worldwide mobile communications market. Through the development of integrated hardware, software and services that support multiple wireless network standards, Research In Motion provides platforms and solutions for seamless access to time-sensitive information including email, phone, SMS messaging, Internet and intranet-based applications. Research In Motion technology also enables a broad array of third party developers and manufacturers to enhance their products and services with wireless connectivity to data. Research In Motion's portfolio of award-winning products, services and embedded technologies are used by thousands of organizations around the world and include the BlackBerry® wireless platform, the Research In Motion Wireless Handheld™ product line, software development tools, radio-modems and software/hardware licensing agreements. Founded in 1984 and based in Waterloo, Ontario, Research In Motion operates offices in North America, Europe and Asia Pacific. Research In Motion is listed on the Nasdaq Stock Market (Nasdaq: RIMM) and the Toronto Stock Exchange (TSX: RIM). For more information, visit www.rim.com or www.blackberry.com.

 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. When used herein, words such as "intend" and similar expressions are intended to identify forward-looking statements. Forward-looking statements are based on assumptions made by and information available to Research In Motion Limited. Investors are cautioned that such forward-looking statements involve risks and uncertainties. Important factors that could cause actual results to differ materially from those expressed or implied by such forward looking statements include, without limitation, possible product defects and product liability, risks related to international sales and potential foreign currency exchange fluctuations, the initiation or outcome of litigation, acts or potential acts of terrorism, international conflicts, significant fluctuations of quarterly operating results, changes in Canadian and foreign laws and regulations, continued acceptance of RIM's products, increased levels of competition, technological changes and the successful development of new products, dependence on third-party networks to provide services, dependence on intellectual property rights and other risks and factors detailed from time to time in RIM's periodic reports filed with the United States Securities and Exchange Commission, and other regulatory authorities. The Company has no intention or obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise.

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