Osisko Mining Announces Shareholder Meeting And Mailing Of Materials

(Toronto, May 15th, 2017)  Osisko Mining Inc. (OSK:TSX, “Osisko” or the “Corporation”) is pleased to announce that it has mailed materials relating to its Annual and Special Meeting of shareholders (the “Meeting”) being held on June 8, 2017 at 10 a.m. (Toronto Time).

Shareholders of Osisko are being asked to vote on the election of Directors, reappoint PricewaterhouseCoopers LLP as auditors and approve the Corporation’s incentive plans. The Board of Directors recommends a vote in favour of all proposed resolutions.

Materials for the Meeting, including Osiskos management proxy circular (the “Proxy Circular”), have been filed under the Corporations profile on SEDAR at www.sedar.com and are also available on the Corporations website at www.osiskomining.com. Shareholders of Osisko are encouraged to read the Proxy Circular in detail and vote well in advance of the proxy cut-off time on June 6, 2017 at 10 a.m. (Toronto Time).

Shareholder Questions

Shareholders who have any questions or require assistance with voting may contact Osiskos Proxy Solicitation Agent:

Laurel Hill Advisory Group
Toll Free: 1-877-452-7184
International: +1 416-304-0211 outside Canada and the US
By Email: assistance@laurelhill.com