EXHIBIT 4.1
CUSIP No. 003687209
AGREEMENT CONCERNING JOINT FILING OF SCHEDULE 13D
The undersigned agree as follows:
(i) each of them is individually eligible to use Schedule 13D to which this Exhibit is attached, and such Schedule 13D is filed on behalf of each of them; and
(ii) each of them is responsible for the timely filing of such Schedule 13D and any amendments thereto, and for the completeness and accuracy of the information concerning such person contained therein; but none of them is responsible for the completeness or accuracy of the information concerning the other person making the filing, unless such person knows or has reason to believe that such information is inaccurate.
This Agreement may be executed in any number of counterparts, each of which shall be deemed to be an original, but all of which, taken together, shall constitute one and the same instrument.
Dated: January 14, 2011
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| V. PREM WATSA | ||||
| /s/ V. Prem Watsa | ||||
| 1109519 ONTARIO LIMITED | ||||
| By: | /s/ V. Prem Watsa | |||
| Name: | V. Prem Watsa | |||
| Title: | President | |||
| THE SIXTY TWO INVESTMENT COMPANY LIMITED | ||||
| By: | /s/ V. Prem Watsa | |||
| Name: | V. Prem Watsa | |||
| Title: | President | |||
| 810679 ONTARIO LIMITED | ||||
| By: | /s/ V. Prem Watsa | |||
| Name: | V. Prem Watsa | |||
| Title: | President | |||
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| FAIRFAX FINANCIAL HOLDINGS LIMITED | ||||
| By: | /s/ V. Prem Watsa | |||
| Name: | V. Prem Watsa | |||
| Title: | Chairman and Chief Executive Officer | |||
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| TIG INSURANCE COMPANY | ||||
| By: | /s/ John J. Bator | |||
| Name: | John J. Bator | |||
| Title: | Chief Financial Officer and Senior Vice President | |||
| FAIRMONT SPECIALTY INSURANCE COMPANY | ||||
| By: | /s/ John J. Bator | |||
| Name: | John J. Bator | |||
| Title: | Chief Financial Officer and Senior Vice President | |||
| GENERAL FIDELITY INSURANCE COMPANY | ||||
| By: | /s/ John J. Bator | |||
| Name: | John J. Bator | |||
| Title: | Chief Financial Officer and Senior Vice President | |||
| CLEARWATER INSURANCE COMPANY | ||||
| By: | /s/ Kirk M. Reische | |||
| Name: | Kirk M. Reische | |||
| Title: | Vice President | |||
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| THE NORTH RIVER INSURANCE COMPANY | ||||
| By: | /s/ Paul Bassaline | |||
| Name: | Paul Bassaline | |||
| Title: | Vice President Finance and Assistant Controller | |||
| SENECA INSURANCE COMPANY, INC. | ||||
| By: | /s/ Dennis J. Hammer | |||
| Name: | Dennis J. Hammer | |||
| Title: | Vice President | |||
| UNITED STATES FIRE INSURANCE COMPANY | ||||
| By: | /s/ Paul Bassaline | |||
| Name: | Paul Bassaline | |||
| Title: | Vice President Finance and Assistant Controller | |||
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| ODYSSEY AMERICA REINSURANCE CORPORATION | ||||
| By: | /s/ Kirk M. Reische | |||
| Name: | Kirk M. Reische | |||
| Title: | Vice President | |||
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| MARKEL INSURANCE COMPANY OF CANADA | ||||
| By: | /s/ Craig Pinnock | |||
| Name: | Craig Pinnock | |||
| Title: | Director | |||
| COMMONWEALTH INSURANCE COMPANY | ||||
| By: | /s/ Craig Pinnock | |||
| Name: | Craig Pinnock | |||
| Title: | Director | |||
| FEDERATED INSURANCE COMPANY OF CANADA | ||||
| By: | /s/ Craig Pinnock | |||
| Name: | Craig Pinnock | |||
| Title: | Director | |||
| LOMBARD GENERAL INSURANCE COMPANY OF CANADA | ||||
| By: | /s/ Craig Pinnock | |||
| Name: | Craig Pinnock | |||
| Title: | Director | |||
| LOMBARD INSURANCE COMPANY | ||||
| By: | /s/ Craig Pinnock | |||
| Name: | Craig Pinnock | |||
| Title: | Director | |||
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| ZENITH INSURANCE COMPANY | ||||
| By: | /s/ Michael Jansen | |||
| Name: | Michael Jansen | |||
| Title: | Executive Vice President and General Counsel | |||
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