Canadian Oil Sands Files Certain Annual Disclosure Documents

CALGARY, ALBERTA--(Marketwired - Feb 21, 2014) - Canadian Oil Sands Ltd. (the "Corporation") (TSX:COS)(OTCQX:COSWF) today filed with Canadian securities regulatory authorities the Corporation's audited consolidated annual financial statements for the year ended December 31, 2013 and related management's discussion and analysis. The Corporation also filed its Annual Information Form dated February 20, 2014, which includes disclosure and reports relating to reserves data and other oil and gas information pursuant to National Instrument 51-101. The Corporation's 2013 Annual Report and Management Proxy Circular will be filed in March. Copies of the filed documents may be obtained through the Corporation's profile on www.sedar.com, the Corporation's website at www.cdnoilsands.com, or by emailing the Corporation at invest@cdnoilsands.com.

Canadian Oil Sands Limited

Canadian Oil Sands is a pure investment opportunity in light, sweet crude oil. Through our 36.74% interest in the Syncrude project, we offer a solid, robust production stream of fully upgraded crude oil, potential growth through high-quality oil sands leases and an attractive dividend.

For more information please visit our web site at www.cdnoilsands.com.

Canadian Oil Sands Ltd.

Ryan Kubik, President & Chief Executive Officer