SunCom Adds BlackBerry 8700g to Business Solutions Line-Up

New model offers enhanced performance and faster Internet browsing

April 19, 2006, Charolette, NC and Waterloo, ON - SunCom Wireless and Research In Motion (RIM) (Nasdaq: RIMM; TSX: RIM) today announced the availability of the BlackBerry® 8700g Wireless Handheld™ at all SunCom Wireless stores.

Operating on the SunCom Wireless GSM/GPRS network, the new BlackBerry 8700g™ builds upon the many attributes that have distinguished BlackBerry in the wireless market and includes:

* A re-engineered device platform with an Intel® XScale® processor, 64MB flash memory and 16 MB SDRAM that provides faster performance when browsing the Web, viewing attachments and running applications.
* A high-quality phone with built-in speakerphone, dedicated “send,” “end” and “mute” keys, and other intuitive call management features including smart dialing, conference calling, speed dialing and call forwarding.
* Quad-Band GSM/GPRS and EDGE support that allows widespread domestic and international connectivity.*
* A bright, landscape QVGA (320 x 240) LCD screen that supports more than 65,000 colors and delivers exceptionally vivid graphics.
* An intelligent light-sensing technology that automatically adjusts the screen and keyboard lighting for optimal viewing in outdoor, indoor and dark environments.
* Bluetooth® support for hands-free headsets and car kits.
* Polyphonic and MP3 ring tones that can also be assigned to different contacts.

“We are thrilled to supply the latest in communications technology to our customers,” said Emilio Echave, senior vice president of operations for SunCom Wireless. “RIM continues to innovate in the way that people use wireless services, and SunCom is proud to offer this device among our diverse product portfolio. We’re confident that this will be a popular choice in our line-up as we expand our Business Solutions offerings and connect our customers to the largest GSM network in the country.”

“The BlackBerry 8700g is a major innovation in device technology that dramatically enhances the mobile experience and provides a great choice for people that want premium phone features together with a full QWERTY keyboard and all the benefits of BlackBerry on SunCom’s EDGE network,” said Mark Guibert, vice president of corporate marketing at RIM. “SunCom is an experienced BlackBerry provider, and we are pleased to jointly introduce the BlackBerry 8700g to SunCom customers.”

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

For individuals and smaller businesses, BlackBerry Internet Service™ allows users to access up to 10 corporate and personal e-mail accounts (including Microsoft Exchange, IBM Lotus Domino and most popular ISP e-mail accounts) from a single device.

About SunCom Wireless

SunCom Wireless is a leader in offering digital wireless communications services to consumers in the Southeastern United States, Puerto Rico and the U.S. Virgin Islands. SunCom is committed to delivering Truth in Wireless by treating customers with respect, offering simple, straightforward plans and by providing access to the largest GSM network and the latest technology choices. For more information about SunCom products and services, visit www.suncom.com or call 877-CALL-SUN (1-877-225-5786).

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 e-mail, 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.

* EDGE support where available; please contact SunCom regarding roaming coverage

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.

Contact Information

Marisa Conway

Brodeur Worldwide (for RIM)

Research In Motion (RIM)

Contact via E-mail