AMENDMENT NO. 1 COPPER CONCENTRATES SALES AGREEMENT AMONG GLENCORE LTD. (“Buyer”) AND TERRANE METALS CORP. (“Seller”) AND THOMPSON CREEK METALS COMPANY INC. (“Guarantor”) Amendment dated as of July 10, 2013Copper Concentrates Sales Agreement • August 7th, 2013 • Thompson Creek Metals Co Inc. • Metal mining
