Oroco Completes Shares For Debt Transaction

VANCOUVER, British Columbia – (June 4, 2010) Oroco Resource Corp. (TSX-V:
OCO) (“Oroco” or “the Company”) wishes to report the TSX Venture Exchange has
accepted for filing the Company’s proposal to issue 70,000 shares at a deemed
price of 25 cents per share to settle $17,500 of outstanding debt with Thorsen
Consulting Ltd., and the Company has now issued the shares in satisfaction of the
debt. Thorsen Consulting Ltd. is a company controlled by Ken Thorsen, Chairman of

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.