Grant of Stock Options to Directors

SANTIAGO, Chile, December 10, 2014. Orosur Mining Inc. (TSX/AIM: OMI), announces that it has granted an aggregate of 4,180,000 stock options to directors, officers and employees.

Orosur officers and employees were granted a total of 2,080,000 stock options and the balance equivalent to 2,100,000 stock options were granted to the following Directors:

Director Number of options

Ignacio Salazar, CEO and director 700,000 John Walmsley, Chairman and independent director 400,000 Roger Davey, independent director 250,000 H.D. Lee, independent director 300,000 Pablo Marcet, Executive director 450,000

Total 2,100,000

All options are exercisable at a price of Cdn$0.185 per common share, on or before December 10, 2019. The options will vest in three equal parts: the first part immediately and the second and third parts on December 10, 2015 and December 10, 2016, respectively.

The total number of common shares currently issued and outstanding is 96,635,081 and the total number of options outstanding is 7,395,834 following this grant.

For more information please visit www.orosur.ca or contact:

Orosur Mining Inc.

Ignacio Salazar, Chief Executive Officer [email protected] Tel: + 562 2924 6800

Cantor Fitzgerald Europe

Stewart Dickson / Jeremy Stephenson Tel: +44 (0) 20 7894 7000

FTI Consulting

Ben Brewerton / Oliver Winters / Sara Powell Tel: +44 (0) 20 3727 1000