Officer's Dealing

Officer's Dealing

Orosur Mining Inc.

Orosur Mining Inc.

Chief Operating Officer’s Dealing

MONTEVIDEO, Uruguay, November 10, 2010. Orosur Mining Inc. ("OMI" or the "Company") (TSX-V: OMI) (LSE: OMI) announces that on 8 and 9 November 2010, Mr. Luis Tondo, Chief Operating Officer of the Company has purchased in the market 22,500 Common Shares of the Company (“Common Shares”) at an exercise price of CAD $ 1.30 each. Following this purchase Mr. Tondo has an interest in 61,500 Common Shares representing 0.09% of the Company’s issued share capital.

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, please contact:

Orosur Mining Inc
David Fowler, CEODavid Fowler, CEO
Ignacio Salazar, CFO + 598 2601 6354; [e-mail] Ignacio Salazar, CFO + 598 2601 6354; [e-mail]

Matrix Corporate Capital LLP
Louis Castro, [phone]Louis Castro, [phone]
Tim Graham, [phone]Tim Graham, [phone]

Blythe Weigh Communications
Tim Blythe: [phone]Tim Blythe: [phone]
Ana Ribeiro: [phone]Ana Ribeiro: [phone]
Matthew Neal: [phone]Matthew Neal: [phone]