News

Total Voting Rights

February 29, 2012

Back

NOT FOR DISTRIBUTION IN THE UNITED STATES OR FOR DISSEMINATION TO US NEWS WIRE SERVICES.

29 February 2012

Aureus Mining Inc.

TSX: AUE

AIM: AUE

Aureus Mining Inc.

Total Voting Rights

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, confirms that, on 29 February 2012, its capital consisted of 117,951,476 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, 117,951,476.

The above figure (117,951,476) 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. under the FSA’s Disclosure and Transparency Rules.

Contact Information

Aureus Mining Inc.

David Reading / Jeremy Cave

Tel: +44 (0) 20 7257 2930

RBC Capital Markets

Nominated Advisor and Joint Broker: Martin Eales / Richard Hughes / Jonathan Hardy

Tel: +44 (0) 20 7653 4000

GMP Securities Europe LLP

Joint Broker: Richard Greenfield / Alexandra Carse

Tel: +44 (0) 20 7647 2800

Buchanan

Bobby Morse / James Strong

Tel: +44 (0) 20 7466 5000

About Aureus Mining Inc.

The Company’s assets include the New Liberty gold deposit in Liberia (the “New Liberty Gold Project”), which has an estimated Reserve of 873,000 ounces of gold grading 3.1 g/t and an estimated Measured and Indicated Mineral Resource of 1,086,000 ounces of gold grading 3.6 g/t and an estimated Inferred Mineral Resource of 483,000 ounces of gold grading 3.5 g/t. A technical update for the New Liberty gold project was released in February 2012, de-risking and building on the robust preliminary economic assessment (“PEA”), filed in December 2010. This update outlined an improved pre-tax NPV of US$ 260 million based on a US$ 1,350/oz. average gold price and a discount rate of 8 %, with an 8 year mine life and an average production of 123,000 ounces per year modelled for the first four years.

The New Liberty Gold Project is located within the Bea Mountain mining license which covers 457 km2 and has a 25 year, renewable, mineral development agreement. The Bea Mountain mining license also hosts the proximal gold targets of Ndablama, Gondoja and Weaju, which are the focus of exploration programs during 2012 along with the Company’s Archaean Gold exploration license contiguous with and immediately south of the Bea Mountain mining license and containing the Leopard Rock target.

The Company also has gold assets within exploration properties in Cameroon.

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.

Assay and sampling information are taken from the Company’s database as prepared on New Liberty site by the project geologists. Drill core is split on site and sent under custody to the Alex Stewart-OMAC sample preparation facility in Monrovia where pulps are prepared and dispatched to the OMAC laboratory in Ireland for analysis by fire assay with an atomic absorption finish.

Quality control and quality assurance procedures include the regular and methodical implementation of field duplicates, blank samples, standards and laboratory repeats as well as regular and specific programmes of re-assaying and umpire laboratory assaying.

Ends