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Exhibit 24
POWERS OF ATTORNEY
Each person whose signature appears below constitutes and appoints Ronald A. Brenneman, Ernest F.H. Roberts, Scott R. Miller, Michael C. Barkwell, Hugh L. Hooker and Wayne R. Pennington, and each of them, any of whom may act without the joinder of the other, as his or her true and lawful attorneys-in-fact and agents, with full power of substitution and resubstitution, for him or her and in his or her name, place and stead, in any and all capacities, to sign this Registration Statement on Form F-9 and any or all amendments (including post-effective amendments) thereto, and to file the same, with all exhibits thereto and other documents in connection therewith, with the U.S. Securities and Exchange Commission, granting unto said attorneys-in-fact and agents full power and authority to do and perform each and every act and thing requisite and necessary to be done, as fully to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents or their substitute or substitutes may lawfully do or cause to be done by virtue hereof.
Name
| | Title
| | Date
|
---|
| | | | |
/s/ RONALD A. BRENNEMAN Ronald A. Brenneman | | President and Chief Executive Officer and Director (Principal Executive Officer) | | March 24, 2008 |
/s/ ERNEST F. H. ROBERTS Ernest F. H. Roberts | | Executive Vice-President and Chief Financial Officer (Principal Financial Officer) | | March 24, 2008 |
/s/ MICHAEL C. BARKWELL Michael C. Barkwell | | Controller (Principal Accounting Officer) | | March 24, 2008 |
/s/ GAIL COOK-BENNETT Gail Cook-Bennett | | Director | | March 24, 2008 |
/s/ RICHARD J. CURRIE Richard J. Currie | | Director | | March 24, 2008 |
/s/ CLAUDE FONTAINE Claude Fontaine | | Director | | March 24, 2008 |
/s/ PAUL HASELDONCKX Paul Haseldonckx | | Director | | March 24, 2008 |
/s/ THOMAS E. KIERANS Thomas E. Kierans | | Director | | March 24, 2008 |
/s/ BRIAN F. MACNEILL Brian F. MacNeill | | Chairman of the Board of Directors | | March 24, 2008 |
/s/ MAUREEN MCCAW Maureen McCaw | | Director | | March 24, 2008 |
/s/ PAUL D. MELNUK Paul D. Melnuk | | Director | | March 24, 2008 |
/s/ GUYLAINE SAUCIER Guylaine Saucier | | Director | | March 24, 2008 |
/s/ JAMES W. SIMPSON James W. Simpson | | Director | | March 24, 2008 |
/s/ DANIEL L. VALOT Daniel L. Valot | | Director | | March 24, 2008 |
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POWERS OF ATTORNEY