0B51 Osisko Metals Incorporated

Osisko Metals Incorporated (the "Company" or "Osisko Metals") (TSX-V: OM; OTCQX: OMZNF; FRANKFURT: OB51) announces that that it has granted (i) an aggregate 12,500,000 restricted share units of the Company ("RSUs") to certain executive directors and officers of the Company, and (ii) an aggregate of 1,750,000 deferred share units of the Company ("DSUs") to certain independent directors of the Company.

All RSUs are scheduled to vest on the third anniversary of the date of grant and all DSUs are scheduled to vest upon the applicable recipient ceasing to be a director or officer of the Company, in each case, subject to terms of a newly adopted omnibus incentive plan (the "Plan") and applicable award agreements and the policies of the TSX Venture Exchange (the "Exchange"). All RSUs and DSUs granted under the Plan may only be settled in cash until such time as the Plan and related grants have been approved by the shareholders of the Company and the Exchange.

About Osisko Metals

Osisko Metals Incorporated is a Canadian exploration and development company creating value in the critical metals sector, with a focus on copper and zinc. The Company acquired a 100% interest in the past-producing Gaspé Copper mine from Glencore Canada Corporation in July 2023. The Gaspé Copper mine is located near Murdochville in Québec's Gaspé Peninsula. The Company is currently focused on resource expansion of the Gaspé Copper system, with current Indicated Mineral Resources of 824 Mt grading 0.34% CuEq and Inferred Mineral Resources of 670 Mt grading 0.38% CuEq (in compliance with NI 43-101). For more information, see Osisko Metals' November 14, 2024 news release entitled "Osisko Metals Announces Significant Increase in Mineral Resource at Gaspé Copper". Gaspé Copper hosts the largest undeveloped copper resource in eastern North America, strategically located near existing infrastructure in the mining-friendly province of Québec.

In addition to the Gaspé Copper project, the Company is working with Appian Capital Advisory LLP through the Pine Point Mining Limited joint venture to advance one of Canada's largest past-producing zinc mining camps, the Pine Point project, located in the Northwest Territories. The current mineral resource estimate for the Pine Point project consists of Indicated Mineral Resources of 49.5 Mt at 5.52% ZnEq and Inferred Mineral Resources of 8.3 Mt at 5.64% ZnEq (in compliance with NI 43-101). For more information, see Osisko Metals' June 25, 2024 news release entitled "Osisko Metals releases Pine Point mineral resource estimate: 49.5 million tonnes of indicated resources at 5.52% ZnEq". The Pine Point project is located on the south shore of Great Slave Lake, Northwest Territories, close to infrastructure, with paved road access, an electrical substation and 100 kilometers of viable haul roads.

For further information on this news release, visit www.osiskometals.com or contact:

Robert Wares, Chief Executive Officer of Osisko Metals IncorporatedEmail: info@osiskometals.com

Follow Osisko Metals on Facebook at https://www.facebook.com/osiskometals, on LinkedIn at https://www.linkedin.com/company/osiskometals, and on X at https://twitter.com/osiskometals.

Cautionary Statement on Forward-Looking Information

This news release contains "forward-looking information" within the meaning of applicable Canadian securities legislation based on expectations, estimates and projections as at the date of this news release. Any statement that involves predictions, expectations, interpretations, beliefs, plans projections, objectives, assumptions, future events or performance (often, but not always, using phrases such as "expects", or "does not expect", "is expected", "interpreted", management's view", "anticipates" or "does not anticipate", "plans", "budget", "scheduled", "forecasts", "estimates", "potential", "feasibility", "believes" or "intends" or variations of such words and phrases or stating that certain actions, events or results "may" or "could", "would", "might" or "will" be taken, occur or be achieved) are not statements of historical fact and may be forward-looking information and are intended to identify forward-looking information. This news release contains forward-looking information pertaining to, among other things: the anticipated resource expansion of the Gaspé Copper system; Gaspé Copper hosting the largest undeveloped copper resource in eastern North America; and the advancement of the Pine Point project; and the ability of the Company to obtain the requisite shareholder and Exchange approval of the New Omnibus Plan.

Forward-looking information is not a guarantee of future performance and is based upon a number of estimates and assumptions of management, in light of management's experience and perception of trends, current conditions and expected developments, as well as other factors that management believes to be relevant and reasonable in the circumstances. Forward-looking information involves risks, uncertainties and other factors that could cause actual events, results, performance, prospects and opportunities to differ materially from those expressed or implied by such forward-looking information. Factors that could cause actual results to differ materially from such forward-looking information are set out in the Company's public disclosure record on SEDAR+ (www.sedarplus.ca) under Osisko Metals' issuer profile. Although the Company believes that the assumptions and factors used in preparing the forward-looking information in this news release are reasonable, undue reliance should not be placed on such information, which only applies as of the date of this news release, and no assurance can be given that such events will occur in the disclosed time frames or at all. The Company disclaims any intention or obligation to update or revise any forward- looking information, whether as a result of new information, future events or otherwise, other than as required by law.

Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accept responsibility for the adequacy or accuracy of this news release. No stock exchange, securities commission or other regulatory authority has approved or disapproved the information contained herein.