Robbins Geller Rudman & Dowd LLP (“Robbins Geller”) ( http://www.rgrdlaw.com/cases/rim/) today announced that a class action has been commenced in the United States District Court for the Southern District of New York on behalf of purchasers of Research In Motion Limited (“RIM” or the “Company”) (NASDAQ:RIMM) common stock between December 16, 2010 and April 28, 2011, inclusive (the “Class Period”), seeking to pursue remedies under the Securities Exchange Act of 1934 (the “Exchange Act”). On May 26, 2011, on behalf of a different client, Robbins Geller filed a similar class action against the Company. That action was voluntarily dismissed, without prejudice, on May 31, 2011. If you wish to serve as lead plaintiff, you must move the Court no later than 60 days from today. If you wish to discuss this action or have any questions concerning this notice or your rights or interests, please contact plaintiff’s counsel, Samuel H. Rudman or David A. Rosenfeld of Robbins Geller at 800/449-4900 or 619/231-1058, or via e-mail at firstname.lastname@example.org. If you are a member of this Class, you can view a copy of the complaint as filed or join this class action online at http://www.rgrdlaw.com/cases/rim/. Any member of the putative class may move the Court to serve as lead plaintiff through counsel of their choice, or may choose to do nothing and remain an absent class member. The complaint charges RIM and certain of its officers and directors with violations of the Exchange Act. RIM is a designer, manufacturer and marketer of wireless solutions for the worldwide mobile communications market. Through the development of integrated hardware, software and services that support wireless network standards, the Company provides platforms and solutions for access to time-sensitive information, including e-mail, phone, short message service, Internet and intranet-based applications. RIM’s primary revenue stream is generated by the BlackBerry wireless solution, comprised of wireless devices, software and services.