Osisko Provides Notice of Third Quarter Financial Results and Conference Call


MONTREAL, ONTARIO--(Marketwire - Nov. 4, 2011) - Osisko Mining Corporation (TSX:OSK) (FRANKFURT:EWX) announces that its third quarter 2011 results will be released on November 11, 2011 followed by a conference call on November 14, 2011 at 11:00 a.m. ET.

Q3 Conference Call Information

Those interested in participating in the conference call should dial in at 416-981-9000 (Toronto local and international), or 1-800-773-0519 (North American toll free). An operator will direct participants to the call. The call will be retransmitted for 14 days with the following dial in number: 416-626-4100 or Toll-free 1-800-558-5253, access code 21545826.

About Osisko

Founded in 1998, Osisko is headquartered in Montreal, Quebec. Devoted primarily to mineral exploration at the onset, the Company later transitioned into a producer, with the development of the Canadian Malartic Mine. Osisko continues exploration activities within Quebec in the Abitibi area, Canada and elsewhere in the world. Osisko employs more than 700 individuals.

Contact Information:

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

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