Exhibit 99.1

JOINT FILING AGREEMENT

In accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended, the persons named below agree to the joint filing on behalf of each of them of a statement on Schedule 13G (including amendments thereto) with respect to the common stock of Thompson Creek Metals Company Inc. and further agree that this Joint Filing Agreement be included as an Exhibit to such joint filings. In evidence thereof, the undersigned, being duly authorized, have executed this Joint Filing Agreement this 10th day of February 2011.

Les Mines Opinaca Ltee
By:	/s/ Anna Tudela
Name:	Anna Tudela
Title:	Corporate Secretary
Goldcorp Inc.
By:	/s/ Anna Tudela
Name:	Anna Tudela
Title:	VP, Regulatory Affairs and Corporate Secretary