MONTREAL, QUEBEC--(Marketwire - May 9, 2012) - Osisko Mining Corporation (TSX:OSK)(FRANKFURT:EWX) announces as a reminder that its first quarter 2012 results will be released after market close on May 10, 2012 followed by a conference call on Friday, May 11th at 8:00am EDT.

Q1 Conference Call Information

Those interested in participating in the conference call should dial in at 416-981-9012 (Toronto local and international), or 1-800-909-4792 (North American toll free). An operator will direct participants to the call.

The conference call replay will be available from 1:00 p.m. EDT on May 11, 2012 until 11:59 p.m. EDT on May 26, 2012 with the following dial in number: 416-626-4100 or Toll-free 1-800-558-5253, access code 21590364.

About Osisko Mining Corporation

Osisko Mining Corporation operates the Canadian Malartic Gold Mine in Malartic, Quebec and is pursuing exploration on a number of properties, including the Hammond Reef Gold Project in Northern Ontario.