Bruce Wright

Thompson Creek Metals Company Inc. – SUPPLEMENT TO THE COMMON SHARE PURCHASE WARRANT INDENTURE DATED APRIL 16, 2010 TERRANE METALS CORP. -AND- THOMPSON CREEK METALS COMPANY INC. -AND- COMPUTERSHARE TRUST COMPANY OF CANADA October 20, 2010 (October 29th, 2010)

COMPUTERSHARE TRUST COMPANY OF CANADA, a trust company incorporated under the laws of British Columbia and duly authorized to carry on business in the Province of British Columbia

Thompson Creek Metals Company Inc. – SUPPLEMENT TO THE COMMON SHARE PURCHASE WARRANT INDENTURE DATED JUNE 21, 2007 TERRANE METALS CORP. -AND- THOMPSON CREEK METALS COMPANY INC. -AND- COMPUTERSHARE TRUST COMPANY OF CANADA October 20, 2010 (October 29th, 2010)

COMPUTERSHARE TRUST COMPANY OF CANADA, a trust company incorporated under the laws of British Columbia and duly authorized to carry on business in the Province of British Columbia, and legal successor in interest to Pacific Corporate Trust Company