Osisko Mining Corporation: Denis Cimon Receives the 2013 Mineral Processor of the Year Award

Editors' Note: There is a photo associated with this press release.

Osisko Mining Corporation (the "Company" or "Osisko") (TSX:OSK)(FRANKFURT:EWX)
is proud to announce that Denis Cimon, Vice-President, Technical Services, has
been awarded the 2013 Mineral Processor of the Year Award, by the Canadian
Mineral Processors Society ("CMP"), one of the branches of the Canadian
Institute of Mining, Metallurgy and Petroleum. 


Each year, the CMP emphasizes the remarkable achievements of one of its members
having risen to a major challenge in the field of mineral processing. Mr. Cimon
was presented this award at the end of January during a conference uniting major
industry contributors, for his leading role in the design, development,
commissioning and management of the largest gold processing plant in production
in Canada-the Canadian Malartic mine. In addition to his technical skills, the
award also highlights his leadership as General Manager of Canadian Malartic,
which is located in an urban context where social acceptance is essential. 


Denis Cimon holds a Bachelor of Mining Engineering, a Masters in Ore Processing
from Laval University, and has over 25 years experience in the mining industry.
Prior to joining Osisko-in September 2007 as Manager of Mineral Processing, and
in 2009, as General Manager of the Canadian Malartic mine and since January
2013, Vice President of Technical Services-Mr. Cimon held several functions in
Quebec, Canada and abroad, in areas ranging from the design to the operation of
large gold mining facilities. 


Luc Lessard, Osisko's Senior Vice-President and Chief Operating Officer
commented, "We are proud to see one of our own being recognized for their hard
work and expertise. Awards like these truly cement the fact that we have been
successful in establishing a solid operations team. We congratulate and thank
Denis for his continued commitment and hard work. His contribution will be
invaluable in the continued growth of Osisko."


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 and Upper Beaver projects in Northern Ontario.


To view the photo associated with this press release, please visit the following
link: http://www.marketwire.com/library/20130211-MPY_Award_800.jpg 


FOR FURTHER INFORMATION PLEASE CONTACT: 
Helene Thibault
Director of communications
Canadian Malartic Mine
[phone]


Sylvie Prud'homme
Director of Investor Relations
[phone]
Toll free: 1-888-674-7563