Yahoo! and RIM Expand Global Relationship to Offer Yahoo! Services to BlackBerry Users

Sunnyvale, CA and Waterloo, ON - Yahoo!® Inc. (Nasdaq: YHOO), the most used mobile Internet brand,* and Research In Motion (RIM) (Nasdaq: RIMM; TSX: RIM), a leader in wireless innovation, have expanded their strategic global alliance to bring Yahoo! services to BlackBerry® users around the world, including Yahoo! Go™ for Mobile, Yahoo! Search, Yahoo! Mail and Yahoo! Messenger.

“Our Yahoo! users want to access our services from all of their connected devices. Together with RIM, we can make it easy for the millions of BlackBerry users to have access to their favorite Yahoo! products and services while on the go,” said Marco Boerries, senior vice president, connected life, Yahoo!. “By combining Yahoo!’s services, which are some of the most used mobile products in the US, with the truly compelling BlackBerry platform, we are giving consumers a powerful and fun mobile Internet experience.”

“We are pleased to expand our relationship with Yahoo! to provide BlackBerry customers with new and enhanced access to Yahoo! services around the world,” said Jim Balsillie, Chairman and co-CEO at Research In Motion. “Our collaboration with Yahoo! will deliver increasingly rich content and services, including enhanced support for Yahoo! Mail, to BlackBerry customers in over sixty countries.”

Yahoo! Go

Yahoo! and RIM are working together to introduce Yahoo! Go for Mobile to the BlackBerry platform. Yahoo! Go for Mobile will integrate a full range of Yahoo!’s leading products into a single, comprehensive experience for BlackBerry users. With a single click on a Yahoo! Go for Mobile icon, BlackBerry users will have direct access to a full suite of Yahoo! services, including real-time access to Yahoo!’s community, information and content services.

Yahoo! Mail

Yahoo! and RIM are supporting enhanced integration with Yahoo! Mail accounts for BlackBerry users worldwide. BlackBerry users will be able to experience real-time delivery of e-mail messages sent to their Yahoo! Mail accounts and enhanced wireless synchronization of sent and deleted items as well as read/unread message status, providing users with more flexibility to manage their email accounts while on the go. Future development plans will also allow Yahoo! users to wirelessly import, modify and synchronize their Yahoo! Address Book and Yahoo! Calendar entries using their BlackBerry devices.

Yahoo! Search

With Yahoo! Search on BlackBerry, users will be able to enjoy the convenience of direct, one-click access to Yahoo!’s leading Search services through an icon located directly on the BlackBerry main screen.

Yahoo! Messenger

Yahoo! and RIM are also working together to expand the reach of Yahoo! Messenger to all BlackBerry users worldwide. Yahoo! Messenger allows consumers to access and manage their friends list, see which friends are online, send and receive instant messages, have multiple conversations at once, participate in online conferences and even send and view emoticons. Yahoo! Messenger on BlackBerry delivers a familiar interface and a premier instant messaging experience for mobile users.

Upcoming details on availability will be posted at www.blackberry.com or at http://mobile.yahoo.com/blackberry .

About Yahoo!

Yahoo! Inc. is a leading global internet brand and one of the most trafficked Internet destinations worldwide. Yahoo! seeks to provide online products and services essential to users’ lives, and offers a full range of tools and marketing solutions for businesses to connect with Internet users around the world. Yahoo! is headquartered in Sunnyvale, California.

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.

*According to M:Metrics, the mobile market authority, more people use Yahoo! Mobile services than any other mobile media brand.

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. RIM assumes no liability and makes no representation, warranty or guarantee in relation to third party products or services.

Yahoo! and the Yahoo! logo are trademarks and/or registered trademarks of Yahoo! Inc. All other names are trademarks and/or registered trademarks of their respective owners.

Contact Information

Marisa Conway

Brodeur Worldwide (for RIM)

Research In Motion (RIM)

Contact via E-mail