Total Voting Rights

May 24, 2011


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 further to the announcement on 13 April 2011 regarding the restructuring of the assets of African Aura Mining Inc. (the “Arrangement”), Aureus has bought 444 Common Shares of nil par value in the Company from dissenting shareholders and these shares have subsequently been cancelled (the “Cancellation”) pursuant to the Arrangement.

As a result of the Cancellation and the completion of the prospectus offering on 19 May 2011, on 24 May 2011 the Company’s capital consisted of 113,252,148 common shares with voting rights. On that date, no shares were held in treasury. The total number of voting rights in the Company is, therefore, 113,252,148.

The above figure (113,252,148) may be used by shareholders as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change to their interest in, Aureus Mining Inc.

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 Communications Limited

Bobby Morse / Katharine Sutton

Tel: +44 (0) 20 7466 5000

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, which is advancing the highly diamondiferous Druzhba kimberlite pipe.

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 and Metallurgy. 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.