Press Release

April 14, 2008

Mobile Telephony of Serbia, Alcatel-Lucent and RIM Announce the Launch of the BlackBerry Solution in Serbia

Belgrade, Serbia, Paris, France and Waterloo, ON - Mobile Telephony of Serbia (mt:s), Alcatel-Lucent (Euronext Paris and NYSE: ALU) and Research In Motion (RIM) (NASDAQ: RIMM; TSX: RIM) today announced the launch of the BlackBerry® wireless solution in Serbia. mt:s customers will now be able to enjoy the benefits of enhanced communications and increased productivity by using a Blackberry® smartphone to access email, browse the web, make phone calls, send and receive text and picture messages, as well as access a wide variety of business and leisure applications on the move.

At launch mt:s will offer customers the BlackBerry® Pearl™ 8100, BlackBerry® Curve™ 8300 and BlackBerry® 8800 smartphones, as well as service on BlackBerry® Enterprise Server and BlackBerry® Internet Service. 

“Customers will be able to use the BlackBerry Pearl 8100, BlackBerry Curve 8300 and BlackBerry 8800 smartphones in Serbia as well as in more than 60 countries through our over 120 global roaming relationships,” said Vladimir Lučić, executive manager, Mobile Telephony of Serbia, “We have already seen great interest for the BlackBerry solution among various companies and professionals and we are pleased to be working with Alcatel-Lucent to deliver the BlackBerry solution to our customers. Coordination between our team and the Alcatel-Lucent team has ensured the seamless integration of the BlackBerry solution into our mobile network.”

Based on its distribution agreement with RIM, Alcatel-Lucent is leveraging its strong local presence in the region to provide Mobile Telephony of Serbia with the end-to-end implementation, integration, launch and support services for delivering the BlackBerry® solution to the Serbian market. With Alcatel-Lucent managing integration and deployment, Mobile Telephony of Serbia can focus on delivering customer facing services, enabling the operator to quickly meet market demand.

“This contract further reinforces Alcatel-Lucent’s ability to leverage our global strengths and local presence to deliver enterprise managed communications and value-added services, enabling the operator to quickly meet market demand. As a result, Mobile Telephony of Serbia customers will enjoy the freedom and flexibility of the BlackBerry solution for staying connected to communications and information whenever they wish,” said Frederic Rose, president of Alcatel-Lucent’s activities Europe, Africa and Asia.

“Together with Alcatel-Lucent, we are pleased to extend the availability of the BlackBerry solution to  Mobile Telephony of Serbia customers,” said Charmaine Eggberry, Vice President and Managing Director of RIM, EMEA. “The BlackBerry solution is a great choice for organizations and individuals that strive to be more productive, flexible, and ultimately more successful in work and life.”
BlackBerry smartphones available from Mobile Telephony of Serbia

The BlackBerry Curve 8300 is the smallest and lightest full-QWERTY BlackBerry smartphone, and offers a unique blend of powerful communications, web and multimedia  features (including camera) to provide users with an exceptional mobile companion for both work and leisure.

The slim and stylish BlackBerry 8800 smartphone is packed with powerful communications capabilities and includes built-in GPS, a media player, expandable memory slot, and intuitive trackball navigation system.

The BlackBerry Pearl 8100 is the smallest BlackBerry smartphone yet at a mere 107mm x 50mm x 14.5mm and weighing just 89 grams. In addition to supporting phone, email, messaging, organiser, web browser and other mobile applications, the BlackBerry Pearl also incorporates a digital camera, media player and an expandable memory slot.

About Telekom Srbija and Mobile Telephony of Serbia
Joint Stock Telecommunications Company „Telekom Srbija“ a.d. with its head office in Belgrade, Takovska 2, was incorporated as a joint stock company in June 1997.  Since 2003, Telekom Srbija a.d. has been owned by two shareholders: PE PTT Traffic „Srbija“ and OTE Greece.

Under the GSM licence agreement of June 9, 1997, the Government of the Republic of Serbia authorized the Joint Stock Telecommunications Company Telekom Srbija a.d., as a licence holder, to establish, manage and provide the services of the public digital celular mobile telephony in the entire territory of the Republic of Serbia, according to GSM standards.

On August 1, 2006, the Republic Telecommunication Agency assigned to The Mobile Telephony of Serbia for the period of validity of licence for introducing UMTS system.

The Mobile Telephony of Serbia has a market share of 62% and over 5.3 million customers; The Mobile Telephony of Serbia covers 92% of the territory and population coverage is 97%; Roaming services are provided in 122 countries, in 270 networks of the foreign mobile operators.
 
About Alcatel-Lucent
Alcatel-Lucent (Euronext Paris and NYSE: ALU) provides solutions that enable service providers, enterprise and governments worldwide, to deliver voice, data and video communication services to end-users. As a leader in fixed, mobile and converged broadband networking, IP technologies, applications and services, Alcatel-Lucent offers the end-to-end solutions that enable compelling communications services for people at home, at work and on the move. With operations in more than 130 countries, Alcatel-Lucent is a local partner with global reach. The company has the most experienced global services team in the industry, and one of the largest research, technology and innovation organizations in the telecommunications industry. Alcatel-Lucent achieved revenues of Euro 17.8 billion in 2007 and is incorporated in France, with executive offices located in Paris. For more information, visit Alcatel-Lucent on the Internet: http://www.alcatel-lucent.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.

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. RIM 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. RIM assumes no obligations or liability and makes no representation, warranty, endorsement or guarantee in relation to any aspect of any third party products or services.