Press Release

October 30, 2001

Research In Motion and VoiceStream Sign Supply Agreement For BlackBerry Wireless Email Solution

Waterloo, ON - Research In Motion Limited (RIM) (Nasdaq: RIMM; TSE: RIM), a world leader in the mobile communications market, today announced a supply agreement to provide the BlackBerry™ wireless email solution to VoiceStream Wireless Corporation, a leading provider of personal communications services in the United States. Under the terms of the agreement, VoiceStream has committed to purchase BlackBerry Wireless Handhelds™ with associated software and service for distribution throughout their nationwide service area. The handhelds will operate on VoiceStream's GSM/GPRS network.

BlackBerry is an end-to-end solution that quickly became the corporate standard for wireless email in North America. Over 12,000 organizations across North America already use BlackBerry, and RIM recently began marketing BlackBerry to customers in Europe. VoiceStream operates the largest digital wireless network in North America based on the GSM (Global System for Mobile) communications technology platform. GPRS (General Packet Radio Service) is an extension of the GSM network architecture that converts wireless data into standard Internet packets, enabling interoperability between the Internet and the GSM network.

Details of the transaction were not disclosed. Further information regarding the availability of BlackBerry for VoiceStream's GPRS network will be announced at a later date.

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, 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.

About VoiceStream Wireless

Based in Bellevue, Wash., VoiceStream is a leading provider of wireless communications services in the U.S. operating and using the globally dominant Global System for Mobile (GSM) communications technology platform. VoiceStream's committed to providing the best value in wireless service through it's 'GET MORE' promise to provide customers with more minutes, more features and more service than any other wireless provider in the markets they serve. VoiceStream is a member of the T-Mobile International group, the mobile telecommunications subsidiary of Deutsche Telekom (NYSE:DT). Through its subsidiaries and other investments, Deutsche Telekom today serves more than 62 million mobile telephony subscribers worldwide. For more information, visit the company web site at voicestream.com.

Research In Motion, RIM and BlackBerry are trademarks of Research In Motion Limited. Research In Motion and RIM are registered with the U.S. Patent and Trademark Office and may be pending or registered in other countries. 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.