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APPOINTMENT OF NON-EXECUTIVE DIRECTOR

April 20, 2011

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April 20, 2011

Aureus Mining Inc.

TSX: AUE

AIM: AUE

Appointment of Non-Executive Director

Aureus Mining Inc. (“Aureus” or the “Company”), the TSX (AUE) and AIM (AUE) listed Exploration and Development company focused on gold in Sub-Saharan Africa, announces that David Allan Knight (56) has been appointed as a Non-Executive Director of the Company. David is a Partner at Macleod Dixon LLP and practices principally in the areas of securities and mining law. David is a Member of the Canadian Institute of Mining and the Prospectors and Developers Association of Canada.

As a result of Mr Knight’s appointment Marvin Singer’s resignation is now effective.

Disclosure of Directorships under Schedule 2(g) of the AIM Rules

There is no other information that is required to be disclosed with regards to the above mentioned appointment pursuant to Schedule 2 paragraph (g) of the AIM Rules, save as set out below:

Current Directorships Past Directorships within last 5 years
Freegold Ventures Limited
Fortune Minerals Limited

Mr Knight resigned from Armstrong Corporation in September 2002. In January 2003 Deloitte & Touche were appointed by a secured creditor of Armstrong as receiver manager of the assets of Armstrong and on March 13, 2003, Armstrong was petitioned into bankruptcy by such creditors.

About Aureus Mining Inc.

Aureus is a TSX and AIM listed gold mining company (AUE). Its assets include the New Liberty gold deposit in western Liberia (the “New Liberty Gold Project”), which has an estimated Indicated Mineral Resource of 751,000 ounces of gold grading 4.17 g/t (contained in 5,599,000 tonnes) and an estimated Inferred Mineral Resource of 762,000 ounces of gold grading 3.40 g/t (contained in 7,040,000 tonnes). The New Liberty Gold Project is being advanced through a bankable feasibility study, and the proximal Ndablama, Weaju, Silver Hills and Gondoja gold projects are all within the Company’s Bea Mountain 25 year renewable Mineral Development Agreement.

In addition, the Aureus Mining has an approximate 14% interest in AIM-listed diamond producer Stellar Diamonds Plc (AIM: STEL, www.stellar-diamonds.com) which is advancing the highly diamondiferous Druzhba Kimberlite pipe.

Contact Information

Aureus Mining Inc.

David Reading, CEO

Tel: +44 (0) 20 7257 2930

Evolution Securities Limited RBC Capital Markets

Jeremy Ellis/ Neil Elliot/ Tim Redfern Martin Eales

Tel: +44 (0) 20 7071 4300 Tel: 44 (0)207 653 4000

Buchanan

Bobby Morse / Katharine Sutton

Tel: +44 (0) 20 7466 5000

Qualified Person

The Company’s Qualified Person responsible for preparing this release is David Reading, who holds a MSc in Economic Geology from University of Waterloo, Canada and is a Fellow of the Institute of Materials, Minerals and Mining. David Reading is the President and CEO of Aureus Mining Inc. and consents to the inclusion in the announcement of the matters based on their information in the form and context in which it appears and confirms that this information is accurate and not false or misleading.

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