Press Release

May 20, 2004

Epicad Announces SyncAgain™ For BlackBerry® and Mac OS X Synchronization

Wireless Enterprise Symposium – Chicago, IL - Epicad, a wireless application software developer and services provider, is pleased to announce the upcoming availability of SyncAgain™, the first solution to enable Macintosh synchronization with the BlackBerry® wireless platform from Research In Motion (RIM) (Nasdaq:RIMM; TSX:RIMM). SyncAgain™ operates wirelessly offering the synchronization of contacts, events and to-dos. SyncAgain™ also allows remote viewing and selection of Mac address books and calendar folders using the BlackBerry browser as well as installation of third-party applications on BlackBerry Wireless Handhelds™.

Julian Tuck, President of Epicad states, "The development of SyncAgain™ came from an increasing demand, largely in the communications, media and entertainment industries. After discussions with many executives and enterprises looking for a way to synchronize their Mac with BlackBerry, Epicad designed a unique software solution for this application gap." SyncAgain™ is flexible enough for single users or enterprises through a range of purchasing options such as a stand-alone user, enterprise or a hosted version for the individual user wanting the advantages of the enterprise solution.

Product Availability
Epicad is currently working with beta testers for the SyncAgain™ Stand-Alone version. Enterprise and Hosted versions are in coding. Enterprise clients can inquire about using multiple Stand-Alone licenses.

Epicad demonstrated SyncAgain™ at the Wireless Enterprise Symposium conference in Chicago May 18-19, 2004. Product availability will be announced on Epicad's website. To be put on Epicad's mailing list for SyncAgain™ news, please register online at http://www.epicad.com/syncagain/.

Mark Guibert, Vice President of Corporate Marketing at Research In Motion comments, "We welcome Epicad's development of SyncAgain which will help bring the benefits of BlackBerry to Mac users."

About Epicad
Founded in 1988, Epicad is a software and services company specializing in the development of wireless applications and products for enterprises, government agencies and software companies. Experienced programmers in Java, C++ and C# develop BlackBerry® and cross-platform solutions with the expertise to integrate enterprise applications and databases for a complete solution. For more information about Epicad, please visit www.epicad.com.

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.

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