[Tom]

WATERLOO, Ontario--(BUSINESS WIRE)--Sept. 15, 2004--Research In Motion Limited (RIM) (Nasdaq:RIMM) (TSX:RIM) will be reporting results for the second quarter of fiscal 2005 on September 30, 2004 after the close of the market. A conference call and live webcast will be held beginning at 5 pm ET, which can be accessed by dialing 416-640-1907 or by logging on at www.rim.com/investors/events/index.shtml. A replay of the conference call will also be available at approximately 7 pm ET by dialing 416-640-1917 and entering passcode 21041224#. This replay will be available until midnight ET October 15, 2004.

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