Orosur Mining Inc. Stock Options Grant

Orosur Mining Inc. Stock Options Grant

Orosur Mining Inc.

Orosur Mining Inc. ("OMI" or the "Company") (TSX VENTURE:OMI) (LSE: OMI) announces that it has granted an aggregate of 50,000 stock options to employees exercisable at a price of CDN$ 1.20 per Common Share on or before December 11, 2015.

The stock options were granted on December 11, 2010 fixing the exercise price as of the close price of OMI Common Shares at the TSX-V on December 10, 2010. The options will vest in three equal parts: the first part immediately and the second and third parts on December 11, 2011 and December 11, 2012.

ENDS

Neither TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

About Orosur Mining Inc.

Orosur Mining Inc. is a fully integrated gold producer and exploration company focused on identifying and developing gold projects in Latin America. The Company operates the only producing gold mine in Uruguay (San Gregorio), and has assembled an exploration portfolio of high quality assets in Uruguay and Chile. The Company is quoted in Canada (TSX-Venture Exchange: OMI) and London (AIM: OMI).

For further information:

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Orosur Mining Inc

David Fowler, CEO

Ignacio Salazar, CFO, [phone]

[e-mail]

or

Matrix Corporate Capital LLP (Nominated Adviser & Broker)

Louis Castro, [phone]

Tim Graham, [phone]

or

Blythe Weigh Communications

Tim Blythe, [phone]

Ana Ribeiro, [phone]

Matthew Neal, [phone]