Amendment No. 2 to Second Amended and Restated Promissory Note of Canadian Forest Oil Ltd.

Exhibit 10.11

Amendment No. 2 to

Second Amended and Restated Promissory Note

of

Canadian Forest Oil Ltd.

WHEREAS, Canadian Forest Oil Ltd. (the “Corporation”) previously has executed and delivered a Second Amended and Restated Promissory Note (the “Promissory Note”), payable to Forest Oil Corporation, as the Holder (“Forest”), in the maximum principal amount of US$200,000,000;

WHEREAS, effective as of May 13, 2010, the Corporation and Forest agreed to amend the Promissory Note to increase the maximum principal amount thereof to US$250,000,000; and

WHEREAS, the Corporation and Forest have agreed to again amend the Promissory Note to increase the maximum principal amount thereof to US$500,000,000.

NOW, THEREFORE, the Promissory Note shall be amended as follows:

1.                                      Effective as of June 15, 2010, all references to the aggregate principal amount that may be outstanding under the Promissory Note shall be increased to $500,000,000.

2.                                      The Promissory Note, as amended hereby, is ratified and reaffirmed in all respects.

IN WITNESS WHEREOF, the Corporation has hereunto set its hand effective for all purposes.

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