Osisko Canadian Malartic Mine Produces Millionth Ounce

MONTREAL, QUEBEC--(Marketwired - Nov. 21, 2013) - Osisko Mining Corporation (the "Company" or "Osisko") (TSX:OSK)(FRANKFURT:EWX) is very proud to announce that the Company recently produced its 1,000,000th ounce of gold from its flagship Canadian Malartic Mine.

Osisko would like to thank and congratulate the operations management and all of the over 675 employees, contractors and suppliers at Canadian Malartic for the outstanding work they have done to bring this world-class deposit to this milestone, and would like to thank them for their continued commitment to making Canadian Malartic Quebec's largest gold producer. The Company would also like to express their gratitude to the citizens of Malartic, the Malartic town council and the Government of Quebec for their continued support of the Canadian Malartic project.

About Osisko Mining Corporation

Osisko Mining Corporation operates the Canadian Malartic Gold Mine in Malartic, Québec and is pursuing exploration on a number of properties in Ontario and Mexico.