Orosur Mining Inc. – Employees Exercise Options

Orosur Mining Inc. (“Orosur” or “the Company”) (TSX/AIM: OMI), the South American-focused gold producer, developer and explorer announces that it has issued 553,332 common shares of no par value ("Common Shares") following the exercise of options on February 2, 2017 by a number of its employees as follows:

Application has been made for the 553,332 Common Shares, which rank pari passu with the existing Common Shares in issue, to be admitted to trading on AIM and admission is expected to occur at 8:00am UK time on or around February 9, 2017 ("Admission").

Following Admission, the Company will have in issue 100,846,403 Common Shares and 7,289,093 options outstanding.

The information contained within this announcement is deemed by the Company to constitute inside information as stipulated under the Market Abuse Regulations (EU) No. 596/2014 ('MAR'). Upon the publication of this announcement via Regulatory Information Service ('RIS'), this inside information is now considered to be in the public domain.

About Orosur Mining Inc.

Orosur Mining Inc. is a fully integrated gold producer, developer and exploration company focused on identifying and advancing gold projects in South 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, Chile and Colombia. The Company is quoted in Canada (TSX:OMI) and London (AIM:OMI).

For more information please visit www.orosur.ca

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