First Feed Processed At Mt. Milligan Copper and Gold Mine

DENVER, CO - Thompson Creek Metals Company Inc. reported that the phased start-up at Mt. Milligan commenced with the first feed to the concentrator. Routine testing and commissioning of all equipment and process circuits will continue through the start-up period, with concentrate production expected this month. The Company expects to reach commercial production in the fourth quarter of this year.

Kevin Loughery, Chairman and Chief Executive Officer said, "We are pleased to report that we have processed the first feed material through the concentrator as scheduled and that everything went as planned. All of us at Thompson Creek are proud of this achievement and look forward to the initial production of copper and gold concentrate at Mt. Milligan in the third quarter."

Thompson Creek Metals Company Inc. is a diversified North American mining company. The Company's principal operating properties are its 100%-owned Thompson Creek Mine, an open-pit molybdenum mine and concentrator in Idaho, a 75% joint venture interest in the Endako Mine, an open-pit molybdenum mine, concentrator and roaster in British Columbia, and the Langeloth Metallurgical Facility in Pennsylvania. The Company is also in the process of constructing the Mt. Milligan Mine in British Columbia.  Mt. Milligan is designed to be a conventional truck-shovel open-pit copper-gold mine. Mt. Milligan is expected to commence production in 2013. The Company's development projects include the Berg property, a copper, molybdenum, and silver exploration property located in British Columbia, the Davidson property, an underground molybdenum exploration property located in British Columbia, and the Maze Lake property, a joint venture gold exploration project located in the Kivalliq District of Nunavut, Canada.