Thompson Creek Metals Company Inc. (TCM) is a mining company. TCM has two operating molybdenum mines, a copper-gold mine under construction, a stand-alone metals roasting facility, and a range of metals properties in various stages of exploration. All operations are located in the United States or Canada. As of December 31, 2010, TCM's producing properties include the Thompson Creek producing open-pit molybdenum mine and concentrator (TC Mine) in Idaho, a 75% joint venture interest in the Endako producing open-pit molybdenum mine, concentrator and roaster (Endako Mine) in British Columbia, and the Langeloth metallurgical facility (Langeloth Facility) in Pennsylvania. The Company operates in three segments: US Operations Molybdenum, Canadian Operations Molybdenum, and Copper-Gold (Development). On October 20, 2010, TCM completed the acquisition of Terrane Metals Corp. (Terrane).