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[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: 

<img src='content_image/142534.jpg'>

(*) 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. 

