WATERLOO, ONTARIO -- (Marketwire) -- 10/01/08 -- Research In Motion Limited ("RIM" or the "Company") (NASDAQ: RIMM)(TSX: RIM) today issued a correction to the segment disclosure in note 16 on page 20 of the notes to the Company's interim consolidated financial statements for the six months ended August 30, 2008, which details a geographic breakdown of revenue. For the three months ended August 30, 2008, the disclosure should indicate United States revenue of $1,777,699, or 69.0%, and Other revenue of $461,752, or 17.9%. For the six months ended August 30, 2008, the disclosure should indicate United States revenue of $3,173,012, or 65.8%, and Other revenue $995,038, or 20.6%. This correction does not impact the total revenue reported or have any other impact on the Company's interim consolidated financial statements. Please see the revised table below.

All figures are in thousands of U.S. dollars and U.S. GAAP.

                     For the three months ended    For the six months ended
                   ---------------------------------------------------------
                       August 30,   September 1,   August 30,   September 1,
Revenue                     2008           2007         2008           2007
                   ---------------------------------------------------------
                                (in thousands of U.S. dollars)
 Canada              $   202,837    $   107,739  $   378,400    $   174,379
 United States         1,777,699        790,560    3,173,012      1,398,401
 United Kingdom          135,042        107,851      273,445        212,066
 Other                   461,752        366,100      995,038        669,315
                   ---------------------------------------------------------
                     $ 2,577,330    $ 1,372,250  $ 4,819,895    $ 2,454,161
                   ---------------------------------------------------------
                   ---------------------------------------------------------
Revenue
 Canada                      7.9%           7.9%         7.9%           7.1%
 United States              69.0%          57.6%        65.8%          57.0%
 United Kingdom              5.2%           7.8%         5.7%           8.6%
 Other                      17.9%          26.7%        20.6%          27.3%
                   ---------------------------------------------------------
                           100.0%         100.0%       100.0%         100.0%
                   ---------------------------------------------------------
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