Notes to Consolidated Financial Statements [in thousands of Canadian dollars, except per share amounts] December 31, 2012 and 2011 A summary of the changes in the Share Option Plan is as follows:  (*) Weighted-average share price of options exercised was $22.15 during the year 2012 [2011 – $21.68] The equity-based compensation expense under the Share Option Plan for the year ended December 31, 2012 of $3,886  [2011 - $7,000] has been included in selling, general and administrative expenses. 70 Weighted average Number of options  exercise price [in thousands] $ Options outstanding, December 31, 2010  6,270  15.50 Options exercisable, December 31, 2010  727  13.52 Options granted  1,577 21.76 Options exercised (*)  (1,665)  12.90 Options cancelled  (164) 18.02 Options outstanding, December 31, 2011  6,018  17.80 Options exercisable, December 31, 2011  1,585  15.96 Options granted  2,232 21.95 Options exercised (*)  (1,777)  13.32 Options cancelled  (109) 21.05 Options outstanding, December 31, 2012  6,364  20.45 Options exercisable, December 31, 2012  2,418  18.34