Golden Star Resources Enhances Board of Directors With Addition of Mining Executive Tony A. Jensen

06.13.2012

DENVER, CO, Jun 13, 2012 (MARKETWIRE via COMTEX) --Golden Star Resources Ltd. (NYSE Amex: GSS) (NYSE MKT: GSS) (TSX: GSC) (GHANA: GSR) ("Golden Star" or the "Company") today announced that Tony A. Jensen, President and Chief Executive Officer of Royal Gold Inc., has joined the Company's board of directors. The addition of Mr. Jensen, 50, raises the number of Golden Star directors to eight, including seven who are independent.

Mr. Jensen joined Royal Gold, a leading mining royalty company, in 2003 as President and Chief Operating Officer, and was elected to the Board of Directors of the company in 2004. He assumed full responsibilities of President and Chief Executive Officer in 2006.

Prior to joining Royal Gold, Mr. Jensen held various positions of increasing responsibility with Placer Dome. His assignments there included engineering and management positions at the Golden Sunlight Mine in Montana; Assistant Mine General Manager of Operations at the La Coipa mine in Chile; Director, Finance and Strategic Growth for Placer Dome Latin America; and Mine General Manager of the Cortez Joint Venture.

Mr. Jensen is a mining engineering graduate of the South Dakota School of Mines and Technology and holds a Certificate of Finance from Golden Gate University in San Francisco. In addition to his Royal Gold board position, he is a member of the National Mining Association Board and Finance Committee, the Industrial Advisory Board of the South Dakota School of Mines and Technology, and the Advisory Council for the University of Colorado Business School's Center for Commodities.

"We are delighted to add Tony Jensen to Golden Star's board of directors," said Chris Thompson, Chairman of the Board. "He brings thirty years of mine operating experience that complements the expertise of our other directors. Tony has spent his career dedicated to continuously improving operations and building shareholder value and we look forward to his contribution."

COMPANY PROFILE

Golden Star Resources holds the largest land package in one of the world's largest and most prolific gold producing provinces. The Company holds a 90% equity interest in Golden Star (Bogoso/Prestea) Limited and Golden Star (Wassa) Limited, which respectively own the Bogoso/Prestea and Wassa/HBB open-pit gold mines in Ghana, West Africa. In addition, Golden Star has an 81% interest in the currently inactive Prestea Underground mine in Ghana, as well as gold exploration interests elsewhere in Ghana, in other parts of West Africa and in Brazil in South America. Golden Star has approximately 259 million shares outstanding. Additional information is available at www.gsr.com.

Statements Regarding Forward-Looking Information: Some statements contained in this news release are forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 and other applicable securities laws. Such statements include the Company's expectations to continuously improve operations and build shareholder value. Investors are cautioned that forward-looking statements are inherently uncertain and involve risks and uncertainties that could cause actual facts to differ materially. There can be no assurance that future developments affecting the Company will be those anticipated by management. Please refer to the discussion of these and other factors in our Form 10-K for 2011. The forecasts contained in this press release constitute management's current estimates, as of the date of this press release, with respect to the matters covered thereby. We expect that these estimates will change as new information is received. While we may elect to update these estimates at any time, we do not undertake any estimate at any particular time or in response to any particular event.

For further information, please contact:

GOLDEN STAR RESOURCES LTD.
+1-800-553-8436
Bruce Higson-Smith
Senior Vice President Finance and Corporate Development

INVESTOR RELATIONS
Jay Pfeiffer
Pfeiffer High Investor Relations, Inc.
303-393-7044


SOURCE: Golden Star Resources

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Non-GAAP Information

Golden Star also uses certain non-International Financial Reporting Standards (“IFRS”) financial measures as defined in applicable Canadian and United States securities laws ("non-GAAP measures"), including the terms “cash operating cost per ounce”, “all-in sustaining costs”, “cash generated from operations before working capital changes”, “adjusted net (loss)/income attributable to Golden Star shareholders and “adjusted net (loss)/income per share attributable to Golden Star shareholders”. Golden Star believes that these measures are similar to the measures of other gold mining companies, but may not be comparable to similarly titled measures in every instance. In addition, changes in numerous factors including, but not limited to, Golden Star’s share price, risk free interest rates, gold prices, mining rates, milling rates, ore grade, gold recovery, costs of labor, consumables and mine site general and administrative activities can cause these measures to increase or decrease.

Golden Star believes these measures are useful non-GAAP operating measures and supplement the IFRS disclosures made by the Company. These non-GAAP measures are not representative of all of Golden Star's cash expenditures and there are material limitations associated with the use of such non-GAAP measures. Since these non-GAAP measures do not incorporate all non-cash expense and income items, changes in working capital and non-operating cash costs, they are not necessarily indicative of operating profit or cash flow from operations as determined under IFRS.

The non-GAAP information is not prepared in accordance with IFRS and may not be comparable to non-GAAP information used by other companies. The non-GAAP information should not be viewed in isolation or as a substitute for, or superior to, other data prepared in accordance with IFRS. For an explanation of the Non-GAAP financial measures used by the Company, please refer to the heading “Non-GAAP Financial Measures” in the Company’s Management Discussion and Analysis of Financial Condition and Results of Operations for the Three Months ended March 31, 2014 and the Company’s Management Discussion and Analysis of Financial Condition and Results of Operations for the Year Ended December 31, 2013, available at www.sedar.com.

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