NEW YORK, Nov. 15, 2011 /PRNewswire/ -- OTC Markets Group Inc. (OTCQX: OTCM), the company that operates the world's largest electronic marketplace for broker-dealers to trade unlisted stocks, today announced that Canadian Oil Sands Limited ("Canadian Oil Sands") (OTCQX: COSWF; TSX: COS), a Canadian company with a current market capitalization of approximately $11 billion, is now trading on the OTC market's highest tier, OTCQX®. (Logo: http://photos.prnewswire.com/prnh/20110118/MM31963LOGO ) Canadian Oil Sands began trading today on the OTC market's premier tier, OTCQX International. Investors can find current financial disclosure and Real-Time Level 2 quotes for the company on www.otcmarkets.com. Canadian Oil Sands' shares will continue to trade on the Toronto Stock Exchange under the symbol "COS". "We are pleased to welcome Canadian Oil Sands, a leading Canadian energy company, to the highest tier of our marketplace," stated R. Cromwell Coulson, President and Chief Executive Officer of OTC Markets Group. "Investors prefer the quality-controlled admission process on OTCQX which identifies the segment of OTC companies focused on valuation and transparency." Dorsey & Whitney LLP will serve as Canadian Oil Sands' Principal American Liaison ("PAL") on OTCQX, responsible for providing guidance on OTCQX requirements. About Canadian Oil Sands LimitedCanadian Oil Sands Limited (OTCQX: COSWF; TSX: COS), a non-SEC registrant, trades in the United States on OTCQX under the symbol "COSWF" and on the Toronto Stock Exchange under the symbol "COS". Canadian Oil Sands provides a pure investment opportunity in the oil sands through its 36.74 per cent interest in the Syncrude Project. Syncrude is a leader in Canada's oil sands industry, operating since 1978 with a productive capability of 350,000 barrels per day of light, high-quality crude oil and a demonstrated commitment to responsible development of this valuable resource. In 2011, Canadian Oil Sands Limited was named to the Dow Jones Sustainability Index (DJSI) North America for the second consecutive year. Companies are selected for the DJSI based on an annual assessment of their economic performance, environmental strategy, corporate governance, stakeholder engagement and community investment. About OTC Markets Group Inc.OTC Markets Group Inc. (OTCQX: OTCM) operates the world's largest electronic marketplace for broker-dealers to trade unlisted stocks. Our OTC Link™ platform supports an open network of competing broker-dealers that provide investors with the best prices in over 10,000 OTC securities. We categorize the wide spectrum of OTC companies into three tiers - OTCQX (the quality-controlled marketplace for investor friendly companies), OTCQB® (the U.S. reporting company marketplace for development stage companies), and OTC Pink™ (the speculative trading marketplace) - so investors can identify the level and quality of information companies provide. To learn more about how OTC Markets Group makes the unlisted markets more transparent, informed, and efficient, visit www.otcmarkets.com. Subscribe to the OTCQX RSS Feed SOURCE OTC Markets Group Inc.