Oroco Announces Private Placement

July 21, 2011 NEWS RELEASE

FOR IMMEDIATE RELEASE:

OROCO ANNOUNCES PRIVATE PLACEMENT

VANCOUVER, British Columbia – (July 21, 2011) Oroco Resource Corp. (TSX-V: OCO) (“Oroco” or “the Company”) is pleased to announce that it intends to complete a non-brokered private placement (the “Private Placement”) of up to 4,250,000 units at a price of $0.28 cents per unit to raise gross proceeds of up to $1,190,000. Each unit consists of one common share and one half of one common share purchase warrant. Each whole share purchase warrant will be exercisable into one additional common share for a period of 15 months at a price of $0.42 per share. The private placement is subject to the acceptance of the TSX Venture Exchange.

The proceeds of the private placement will be used for the continuing development of Oroco’s Cerro Prieto Project in Sonora State, Mexico and for general working capital.

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, BV V6C 2W2 T: 604.688.6200 F: 604.688.6260 www.orocoresourcecorp.com