Press Release

November 30, 2005

Telefónica Móviles and Research In Motion To Launch BlackBerry Across Latin America

BlackBerry will be available in Argentina, Brazil, Chile, Colombia, Ecuador, Guatemala, El Salvador, Nicaragua, Panama, Peru, Mexico, Uruguay and Venezuela

Madrid, Spain and Waterloo, Ontario - Telefónica Móviles and Research In Motion (RIM) (Nasdaq: RIMM; TSX: RIM) today announced plans to launch BlackBerry® in 13 Latin American countries beginning in early 2006.    BlackBerry is a leading wireless communications platform that keeps mobile professionals connected to people and information with integrated support for voice, email and data applications.

“The combination of the most advanced handsets with the best networks and global offers for the whole of Latin America means that Telefónica Móviles can provide the best BlackBerry services in the region.  This continent-wide strategic alliance shows the potential of our Group and marks a step forward in our strategy of providing  the most advanced services to all our clients, based on our leadership position in the development of mobile solutions around the world,” said Antonio Viana-Baptista, Chairman and CEO of Telefónica Móviles.

“BlackBerry is a proven and popular wireless solution that offers the best mobile experience for users that want access to voice, email and data services from a single wireless device,” said Jim Balsillie, Chairman and Co-CEO, Research In Motion. “Telefónica Móviles is a leading multinational operator and we are very pleased to broaden our relationship with Telefónica Móviles to extend the reach of BlackBerry in Latin America.”

Telefónica Móviles plans to offer BlackBerry services on its advanced wireless networks. Telefónica Móviles operates GSM/GPRS/EDGE networks in Argentina, Chile, Colombia, Ecuador, Guatemala, El Salvador, Nicaragua, Panama, Peru, Mexico and Uruguay and CDMA 1XRTT and CDMA EV-DO networks in Brazil and Venezuela.

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

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 e-mail accounts) from a single device.

About Research In Motion (RIM)

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, RIM provides platforms and solutions for seamless access to time-sensitive information including email, phone, SMS messaging, Internet and intranet-based applications. RIM technology also enables a broad array of third party developers and manufacturers to enhance their products and services with wireless connectivity to data. RIM'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 RIM Wireless Handheld™ product line, software development tools, radio-modems and software/hardware licensing agreements. Founded in 1984 and based in Waterloo, Ontario, RIM operates offices in North America, Europe and Asia Pacific. RIM 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.

About Telefónica Móviles S.A.

Telefónica Móviles, a Telefónica Group company, is the world’s second-largest mobile telephony multinational and the leading cellular company in the Spanish-and Portuguese- speaking markets. The company has operations in 15 countries across three continents and a customer base that exceeded 89 million at September 30, 2005.  During 2004, Telefónica Móviles obtained revenues of 11.828 billion euros. EBITDA rose 5.3% in the year, to 4.701 billion euros, while net profit totalled 1.634 billion euros. Telefónica Móviles is a founding member of the FreeMove alliance of European mobile operators. The company’s shares trade on the Spanish stock exchanges and the New York Stock Exchange under the ticker symbol TEM. For more information visit our website: www.telefonicamoviles.com

About Telefónica S.A.

Telefónica is one of the world’s largest telecommunications operators in terms of market capitalisation. Its activities are centred mainly on the fixed and mobile telephony businesses, with broadband as the key tool for the development of both of these. It operates in 17 countries and its customer base exceeds 145 million subscribers globally.  Telefónica has a strong presence in Latin America, where the company is focusing a large part of its growth strategy.  Telefónica is a 100% publicly-traded company, with more than 1.5 million direct shareholders. Its share capital currently comprises 4,921,130,397 ordinary shares traded on the continuous market on the Spanish Stock Exchanges (Madrid, Barcelona, Bilbao and Valencia) and on those of London, Paris, Frankfurt, Tokyo, New York, Lima, Buenos Aires and São Paulo.

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.

The BlackBerry and RIM families of related marks, images and symbols are the exclusive properties and trademarks of Research In Motion Limited. RIM, Research In Motion and BlackBerry are registered with the U.S. Patent and Trademark Office and may be pending or registered in other countries. All other brands, product names, company names, trademarks and service marks are the properties of their respective owners.