Annual and Special Meeting of Shareholders of Osisko Mining Corporation


MONTREAL, QUEBEC--(Marketwire - May 11, 2011) - The Annual and Special Meeting of Shareholders of Osisko Mining Corporation (TSX:OSK)(FRANKFURT:EWX) will be held Thursday, May 12, 2011, at 4:00 p.m., at:

Windsor Salon
1170, Peel Street
Montreal (Quebec)

About Osisko Mining Corporation

Osisko Mining Corporation is currently commissioning the Canadian Malartic Gold Mine, evaluating adjacent areas for a large-scale open pit, bulk-tonnage mining operation and pursuing exploration of the Hammond Reef Gold Project in Northern Ontario.

Contact Information:

John Burzynski
Vice-President Corporate Development
(416) 363-8653

Sylvie Prud'homme
Investor Relations
(514) 735-7131
Toll free : 1-888-674-7563
www.osisko.com