Osisko Development Files Ni 43-101 Feasibility Study Technical Report for the Cariboo Gold Project

Published: 2025-06-12 07:35:34 ET ODV.V

Published on 06/12/2025 at 07:35

Osisko Development Corp. announced the filing of a technical report prepared in accordance with National Instrument 43-101 ? Standards of Disclosure for Mineral Projects ("NI 43-101") in respect of the feasibility study ("2025 FS") for its permitted, 100%-owned Cariboo Gold Project (the "Cariboo Gold Project"), located in central British Columbia, Canada.

The Technical Report, titled "NI 43-101 Technical Report, Feasibility Study for the Cariboo Gold Project, District of Wells, British Columbia, Canada" and dated June 11, 2025 (with an effective date of April 25, 2025), was prepared in accordance with NI 43-101 by independent representatives of BBA Engineering Ltd., as lead independent consultant, and supported by other independent engineering firms, including InnovExplo Inc., Alius Mine Consulting Ltd., Falkirk Environmental Consultants Ltd., WSP Canada Inc., M.A. O'Kane Consultants Inc., Integrated Sustainability Consultants Ltd., Clean Energy Consulting Inc., and JDS Energy & Mining Inc., each of whom is a "qualified person" (within the meaning of NI 43-101) and independent of Osisko Development (within the meaning of Section 1.5 of NI 43-101). The Technical Report supports the disclosure made by the Company in its news release dated April 28, 2025 (titled "Osisko Development Announces Optimized Feasibility Study for Permitted Cariboo Gold Project with C$943 Million After-Tax NPV5% and 22.1% IRR at USD 2,400/oz Base Case Gold Price; at USD 3,300/oz Spot Gold CAD2.1 Billion After-Tax NPV5% and 38.0% IRR") announcing the results of the 2025 FS.