Mr. Sean Roosen reports

OSISKO DEVELOPMENT AWARDS PROJECT AND CONSTRUCTION MANAGEMENT SERVICES CONTRACT FOR THE DEVELOPMENT OF THE CARIBOO GOLD PROJECT

Osisko Development Corp.'s wholly owned subsidiary, Barkerville Gold Mines Ltd., has entered into a definitive project and construction management services agreement with JDS Energy & Mining Inc. (JDS) for the development of the Cariboo gold project, located in British Columbia.

Sean Roosen, chairman and chief executive officer, commented: "Formalizing our partnership with JDS supports an integrated approach to project delivery, as we advance the next phase of work at the Cariboo gold project. JDS's project and construction management experience provides additional capacity and structure across planning and execution, supporting disciplined progress on the development of the Cariboo gold project."

About Osisko Development Corp.

Osisko Development is a continental North American gold development company focused on past-producing mining camps with district-scale potential. The company's objective is to become an intermediate gold producer through the development of its flagship, fully permitted, 100-per-cent-owned Cariboo gold project, located in central British Columbia, Canada. Its project pipeline is complemented by the Tintic project located in the historic East Tintic mining district in Utah, United States, a brownfield property with significant exploration potential, extensive historical mining data and access to established infrastructure. Osisko Development is focused on developing long-life mining assets in mining-friendly jurisdictions while maintaining a disciplined approach to capital allocation, development risk management and mineral inventory growth.

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