Thompson Creek Metals Company Announces Copper-Gold Concentrate Production at Mt. Milligan Mine

DENVER, CO--(Marketwired - Sep 24, 2013) - Thompson Creek Metals Company Inc. (NYSE: TC) (TSX: TCM) ("Thompson Creek" or the "Company") today announced that the Company's new Mt. Milligan mine commenced production of copper-gold concentrate in September 2013. Concentrate is being accumulated and stored at site until the Company commences transportation for off-site treatment and refinement. Transportation and sale of concentrate are expected to commence in the fourth quarter.

Since commencement of production, the mill has produced approximately 500 tonnes of saleable concentrate having a specification of approximately 25% copper and 30 grams per tonne gold. During the present phased start-up of the mill, the throughput rate is 1,500 to 2,000 tonnes per hour. The processing plant is currently operating with one of the two ball mills. The second ball mill, along with its primary related flotation circuit, and the pebble crusher are still in the commissioning and start-up phase. The full production design throughput rate for the mill is 2,750 tonnes per hour.

Kevin Loughrey, Chairman and Chief Executive Officer of Thompson Creek, said, "The production of copper-gold concentrate is another important milestone for Mt. Milligan and our Company. The phased start-up of the operation continues to be on schedule, and we expect to achieve commercial production in the fourth quarter."

About Thompson Creek Metals Company Inc.

Thompson Creek Metals Company Inc. is a growing, 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, its 100%-owned Mt. Milligan mine, an open-pit copper and gold mine and concentrator in British Columbia, 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'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 gold exploration project located in the Kivalliq District of Nunavut, Canada. The Company's principal executive office is located in Denver, Colorado. More information is available at www.thompsoncreekmetals.com.

Cautionary Note Regarding Forward-Looking Statements

This news release contains ''forward-looking statements'' within the meaning of the United States Private Securities Litigation Reform Act of 1995, Section 27A of the Securities Act of 1933, Section 21E of the Securities Exchange Act of 1934 and applicable Canadian securities legislation. These forward-looking statements generally are identified by the words "believe," "project," "expect," "anticipate," "estimate," "intend," "future," "plan," "may," "should," "will," "would," "will be," "will continue," "will likely result," and similar expressions. Where we express an expectation or belief as to future events or results, such expectation or belief is expressed in good faith and believed to have a reasonable basis. However, our forward-looking statements are based on current expectations and assumptions that are subject to risks and uncertainties which may cause actual results to differ materially from future results expressed, projected or implied by those forward-looking statements. Important factors that could cause actual results and events to differ from those described in such forward-looking statements include statements as to the projected development of Mt. Milligan, including expected production, transportation and sale commencement dates and the other risks described in the section entitled "Risk Factors" in our Annual Report on Form 10-K, Quarterly Reports on Form 10-Q and other documents filed on EDGAR at www.sec.gov and on SEDAR at www.sedar.com. Although we have attempted to identify those material factors that could cause actual results or events to differ from those described in such forward-looking statements, there may be other factors, currently unknown to us or deemed immaterial at the present time, that could cause results or events to differ from those anticipated, estimated or intended. Many of these factors are beyond our ability to control or predict. Given these uncertainties, the reader is cautioned not to place undue reliance on our forward-looking statements. We undertake no obligation to update or revise publicly any forward-looking statements, whether as a result of new information, future events, or otherwise.