Press Release

November 1, 2000

Research In Motion Closes Offering of 6,000,000 Common Shares

Waterloo, Ontario - Research In Motion Limited (NASDAQ: RIMM, TSE: RIM) today announced it has closed its previously announced public offering of 6,000,000 common shares. The common shares were sold in the United States at US $102.00 per share and in Canada at CDN $154.90 per share. Total proceeds to the Company, net of underwriting fees, were approximately CDN $893,911,000 (US $585,288,000).

The offering was managed by Merrill Lynch & Co., Credit Suisse First Boston Corporation, Goldman, Sachs & Co., Banc of America Securities LLC, CIBC World Markets Inc., Griffiths McBurney & Partners, U.S. Bancorp Piper Jaffray Inc. and Wit SoundView Corporation.

Net proceeds of the offering will be used primarily for general corporate purposes, including research and development of new products and technologies, expansion of RIM's manufacturing capacity, expansion of RIM's sales and marketing organization and activities, and for working capital.

This news release shall not constitute an offer to sell or the solicitation of an offer to buy nor shall there be any sale of the common shares in any state in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such state.

Copies of the U.S. final prospectus relating to the offering may be obtained from Merrill Lynch & Co., New York. Copies of the Canadian final prospectus relating to the offering may be obtained from Merrill Lynch Canada Inc., Toronto.