Orosur Mining Inc. Director’s Dealing and Iss...

Orosur Mining Inc. Director’s Dealing and Issue of Ordinary Shares upon Exercise of Stock Options

Orosur Mining Inc.

Orosur Mining Inc. ("OMI" or the "Company") (TSX-V: OMI) (LSE: OMI) announces that on 27 October 2010, Mr. Julio C. Porteiro, Non Executive Director of the Company, exercised 25,000 options to purchase 25,000 Common Shares of the Company (“Common Shares”) at an exercise price of CAD $ 0.60 each. Following this purchase Mr. Porteiro has an interest in 40,000 Common Shares representing 0.06% of the Company’s issued share capital.

In addition, following the exercise of options by employees, the Company has issued a further 41,666 Common Shares at an exercise price of CAD $ 0.395 per share and 10,500 Common Shares at an exercise price of CAD $ 0.60 per share.

Application has been made for 77,166 new Common Shares to be admitted to trading on AIM (“Admission”). It is expected that Admission will become effective and that dealings will commence on 2 November 2010 in respect of those Common Shares. On Admission, the Company will have 64,919,592 Ordinary Shares in issue.

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).

Orosur Mining Inc
David Fowler, CEODavid Fowler, CEO
Ignacio Salazar, CFOIgnacio Salazar, CFO
+ 598 2601 6354+ 598 2601 6354
[e-mail]
oror
Matrix Corporate Capital LLP
Louis Castro, [phone]Louis Castro, [phone]
Tim Graham, [phone]Tim Graham, [phone]
oror
Blythe Weigh Communications
Tim Blythe, [phone]Tim Blythe, [phone]
Ana Ribeiro, [phone]Ana Ribeiro, [phone]
Matthew Neal, [phone] Matthew Neal, [phone]