Notice of Annual and Special Meeting

SANTIAGO, Chile, October 22, 2015. Orosur Mining Inc. (“Orosur” or the “Company”) (TSX/AIM:OMI), a South American-focused gold producer, developer and explorer announces announces that copies of the Notice of Annual and Special Meeting (“AGM”) have been sent to shareholders and a copy is also available from the Company’s website.

The AGM will be held on November 18, 2015 at 11:00 a.m. (GMT) at the offices of FTI Consulting, 200 Aldersgate, Aldersgate Street, London, UK, EC1A 4HD.

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 / Carrie Drummond / Philip Davies Tel: +44 (0) 20 7894 7000

FTI Consulting

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