Oroco Obtains Approval for Sale of Cerro Prieto to Goldgroup

June 24, 2013 NEWS RELEASE

FOR IMMEDIATE RELEASE:

OROCO OBTAINS APPROVAL FOR SALE OF

CERRO PRIETO TO GOLDGROUP

Vancouver, British Columbia (June 24, 2013) – Oroco Resource Corp. (“Oroco”) (TSXV: OCO, Frankfurt: OR6) is pleased to announce that the resolution to approve the indirect sale of the Cerro Prieto Project (the “Transaction”) by the Company to Goldgroup Mining Inc.

(“Goldgroup”) was passed by its shareholders at the Special General Meeting of Shareholders held on June 21, 2013, with over 99% of votes cast being in favour. Details of the transaction were announced in the Company’s news release of April 10, 2013.

For further information, please contact:

Mr. Craig Dalziel, President and CEO

Oroco Resource Corp.

Tel: 604-688-6200

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.

OROCO RESOURCE CORP.

789-999 West Hastings Street, Vancouver, BC V6C 2W2 T: 604.688.6200 F: 604.688.6260 www.orocoresourcecorp.com