NEW YORK, Aug. 23, 2012 /PRNewswire/ -- OTC Markets Group Inc. (OTCQX: OTCM), the financial information and technology services company that operates the world's largest Open, Transparent and Connected marketplace platform, today announced that Yellowhead Mining Inc. (OTCQX: YHMGF; TSX: YMI), a copper, gold, and silver mining company, is now trading on the highest OTC marketplace, OTCQX ®. (Logo: http://photos.prnewswire.com/prnh/20110118/MM31963LOGO ) Yellowhead Mining began trading today on the OTC market's prestigious tier, OTCQX International. Investors can find current financial disclosures and Real-Time Level 2 quotes for the Company on www.otcmarkets.com. "The OTCQX platform offers investor-focused companies a winning combination of quality control, transparency, and broader visibility to U.S. investors," said R. Cromwell Coulson, President and Chief Executive Officer of OTC Markets Group. "We are pleased to welcome Yellowhead Mining to OTCQX." Stifel, Nicolaus & Company, Inc. will serve as Yellowhead Mining's Principal American Liaison ("PAL") on OTCQX, responsible for providing guidance on OTCQX requirements and U.S. securities laws. About Yellowhead Mining Inc.Yellowhead Mining Inc. (OTCQX: YHMGF; TSX: YMI) trades in the United States on OTCQX under the symbol "YHMGF". Yellowhead's 100% owned Harper Creek Project is a copper-gold-silver project located in south-central British Columbia, approximately 150 kilometers by highway north of Kamloops. The project is expected to produce a total of 3.63 billion pounds of copper, 372,000 ounces of gold and 14 million ounces of silver contained in concentrate. About OTC Markets Group Inc.OTC Markets Group Inc. (OTCQX: OTCM) operates Open, Transparent and Connected financial marketplaces for investors to easily trade almost 10,000 equity and debt securities through the broker of their choice. Our OTC Link ® ATS directly links a diverse network of broker-dealers that provide liquidity and execution services for a wide spectrum of securities. We organize these securities into tiered marketplaces to inform investors of opportunities and risks - OTCQX ® - The Intelligent Marketplace for the Best OTC Companies; OTCQB ® - The Venture Marketplace; and OTC Pink ® - The Open Marketplace. Our data-driven platform enables efficient trading through any broker at the best possible price and empowers a broad range of companies to improve the quality and availability of information for their investors. To learn more about how we create smarter financial marketplaces, visit www.otcmarkets.com. OTC Link ATS is operated by OTC Link LLC, member FINRA/SIPC and SEC registered ATS.