Orosur Mining Inc. Announces Change of Adviser

SANTIAGO, Chile, June 21, 2013. Orosur Mining Inc. (“Orosur” or the "Company") (TSX: OMI) (LSE: OMI) is pleased to announce the appointment of Cantor Fitzgerald Europe as Nominated Adviser and Corporate Broker to the Company, with immediate effect.

ENDS

For further information, please contact:

Orosur Mining Inc.

Ignacio Salazar, Interim Managing Director [email protected] Tel: + 562 2924 6800

Cantor Fitzgerald Europe

Tel: +44 (0) 20 7894 7000 Stewart Dickson Jeremy Stephenson

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: OMI) and London (AIM: OMI). For more information please visit www.orosur.ca

About Cantor Fitzgerald Europe

Cantor Fitzgerald Europe, is a leading global financial services firm at the forefront of financial and technological innovation. It is an unlimited liability company incorporated in the England with its head office at 17 Crosswall, London, E14 2LS. It also operates from branches in Milan, Paris and Tel Aviv. It is authorised and regulated in the United Kingdom by the Financial Services Authority (reference number 149380), and is a member of the London Stock Exchange. It provides an array of financial services to global clients including corporate finance, corporate broking, research, equity and fixed income execution, trading and market making, derivatives, fx, spread betting and CFDs. For more information please visit www.cantor.com