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Osisko Metals Announces Uplisting to Toronto Stock Exchange

Listings & Exchange

OSISKO METALS ANNOUNCES UPLISTING TO

TORONTO STOCK EXCHANGE

(Toronto, Ontario — August 20, 2025) Osisko Metals Incorporated (the " Company" or "Osisko

Metals") (TSX: OM; OTCQX: OMZNF; FRANKFURT: OB51) is pleased to announce that it will

be uplisting to the Toronto Stock Exchange (the "TSX") effective at market open on Friday, August

22, 2025. The common shares of the Company ( the "Common Shares") will continue to trade

under its current stock symbol, "OM", following the uplisting from the TSX Venture Exchange (the

"TSXV") to the TSX.

Following the uplisting to the TSX, the Common Shares will no longer trade on the TSXV and will

be voluntarily delisted from the TSXV , effective as of close of market on Thursday, August 21,

2025. Shareholders are not required to exchange their direct registration system advices or share

certificates, or take any other action in connection with the TSX uplisting.

The Company will remain a "reporting issuer" under applicable Canadian securities laws through

the listing transition process from the TSXV to the TSX. The Common Shares will continue to be

listed on the OTCQX Best Market under the symbol "OMZNF" and the Frankfurt Stock Exchange

under the symbol "OB51".

Graduating to the TSX represents a significant milestone that is expected to enhance the

Company's visibility and improve access to a broader investor base.

John Burzynski , Executive Chair of Osisko Metals, commented : "Graduating to the TSX is a

natural evolution to our continued growth following our significant capital raise and management

transition to Osisko Metals in December 2024, and the continued overwhelmingly positive results

of our new drilling program. The Gaspé Copper Project has large -scale potential, and I believe

we have only scratched the surface. Aligning with our business plan, this listing is set to enhance

our visibility in the capital marke ts, enabling us to continue to attract significant institutional and

retail investors to our story as the Gaspé Copper Project advances."

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

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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 inform ation, 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 Incorporated

Email: [email protected]

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 "do es 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.

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.se darplus.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.