10. per share amounts

Summary reconciliations of statutory rate income tax expense to provision for income taxes and analyses of future income tax asset and liability

Basic income per Common Share and Non-Voting Share is calculated by dividing Common Share and Non-Voting Share income by the total weighted average Common Shares and Non-Voting Shares outstanding during the period. Diluted income per Common Share and Non-Voting Share is calculated to give effect to share option awards and, in the comparative period, warrants.

The following table presents the reconciliations of the denominators of the basic and diluted per share computations. Net income equalled diluted Common Share and Non-Voting Share income for all periods presented.



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For the year ended December 31, 2006, certain outstanding share option awards, in the amount of 0.3 million (2005 – 1.1 million), were not included in the computation of diluted income per Common Share and Non-Voting Share because the share option awards' exercise prices were greater than the average market price of the Common Shares and Non-Voting Shares during the reported periods.