EXHIBIT 9.1
CUSIP No. 45928H106
AGREEMENT CONCERNING JOINT FILING
OF SCHEDULE 13D
The undersigned agree as follows:
(i) each of them is individually eligible to use the 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: June 14, 2011
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| | V. PREM WATSA
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| | /s/ V. Prem Watsa | |
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| | 1109519 ONTARIO LIMITED
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| | By: | /s/ V. Prem Watsa | |
| | | Name: | V. Prem Watsa | |
| | | Title: | President | |
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| | THE SIXTY TWO INVESTMENT COMPANY LIMITED
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| | By: | /s/ V. Prem Watsa | |
| | | Name: | V. Prem Watsa | |
| | | Title: | President | |
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| | 810679 ONTARIO LIMITED
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| | By: | /s/ V. Prem Watsa | |
| | | Name: | V. Prem Watsa | |
| | | Title: | President | |
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| | FAIRFAX FINANCIAL HOLDINGS LIMITED
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| | By: | /s/ Bradley P. Martin | |
| | | Name: | Bradley P. Martin | |
| | | Title: | Vice President and Chief Operating Officer | |
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| | ODYSSEY REINSURANCE COMPANY
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| | By: | /s/ Kirk M. Reische | |
| | | Name: | Kirk M. Reische | |
| | | Title: | Vice President | |
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| | CLEARWATER INSURANCE COMPANY
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| | By: | /s/ Kirk M. Reische | |
| | | Name: | Kirk M. Reische | |
| | | Title: | Vice President | |
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| | | | | |
| | TIG INSURANCE COMPANY
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| | By: | /s/ John J. Bator | |
| | | Name: | John J. Bator | |
| | | Title: | Senior Vice President & Chief Financial Officer | |
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| | WENTWORTH INSURANCE COMPANY LTD.
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| | By: | /s/ Janice Burke | |
| | | Name: | Janice Burke | |
| | | Title: | Vice President and General Manager | |
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| | NSPIRE RE LIMITED
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| | By: | /s/ John Casey | |
| | | Name: | John Casey | |
| | | Title: | President and Chief Operating Officer | |
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