DENVER, CO--(Marketwired - Aug 16, 2013) - Thompson Creek Metals Company Inc. (NYSE: TC) (TSX: TCM) ("Thompson Creek" or the "Company") announced today that on August 15, 2013, 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 within the next several weeks. The Company expects to reach commercial production in the fourth quarter of this year.