UPDATED 09:21 EDT / DECEMBER 29 2011

Research In Motion Co-CEOs Balsillie and Lazaridis talk during the annual general meeting of shareholders in Waterloo

Research In Motion (RIM) Co-CEO Jim Balsillie (C) speaks with President and Co-CEO Mike Lazaridis (L) during the annual general meeting of shareholders in Waterloo July 12, 2011. REUTERS/ Mike Cassese