Ressources Minieres Pro-Or Inc. (TSX VENTURE: POI) announces that it has closed its Private Placement on May 31st, 2011 for an amount of $ 1,720,000. This placement was completed with "Accredited Investors" and was offered in units of $2,000 each. The units were made up of i) ten thousand common Class "A" treasury shares at a price of $0.20 per share, and: ii) 10,000 common class "A" share purchase warrants with an exercise price of $0.40 per share good for a period of twelve months following the closing of the placement. The warrants will be subject to an Accelerator Clause by which the warrant expiry date can be shortened at the choice of the Corporation if the share price closes on the Exchange at $0.65 or more for a period of more than twenty (20) consecutive trading days. In such a case, the new expiry date will be presumed to be the thirtieth days following the formal written notification by the Corporation. This notice cannot be issued during the first four (4) months following the placement close which corresponds to the regulatory hold period that affects all Private Placements.

The Private Placement proceeds will be for the Corporation working capital requirements.

The shares issued under the terms of this placement are subject to a regulatory hold period of four (4) months.

There were fees payables under this placement to: FIN-XO VALEURS MOBILIERES INC. 800, Rene-Levesque Ouest in Montreal ( Qc ) H3B 1X9 for an amount of $ 9,840. The placement is subject to regulatory approvals.

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.

Contacts: Pierre Gevry, President st-jacques@qc.aira.com (514) 849-7336 (514) 849-9260 (FAX) www.pro-or.com