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Osisko Metals Announces Receipt of Shareholder and Stock Exchange Approvals FOR Appian Joint Venture Transaction

Mergers & Acquisitions Partnerships & JV

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OSISKO METALS ANNOUNCES RECEIPT OF SHAREHOLDER AND

STOCK EXCHANGE APPROVALS FOR APPIAN JOINT VENTURE TRANSACTION

(Montreal, March 17, 2023) Osisko Metals Incorporated (the " Company" or " Osisko Metals")

(TSX-V: OM; OTCQX: OMZNF; FRANKFURT: 0B51) is pleased to announce that it expects to

close its previously-announced transaction with a subsidiary of Appian Natural Resources Fund

III LP ("Appian") in late March or early April 2023 , which will result in the formation of a joint

venture for the advancement of Osisko Metals' Pine Point Project (the " Transaction"). To that

end, the Company is pleased to announce that it has received the requisite shareholder

and stock exchange approvals to close the Transaction.

Pursuant to the policies of the TSX Venture Exchange (the " Exchange"), the Company is

permitted to obtain shareholder approval of the Transaction by way of a written consent of the

shareholders holding at least 50% of the outstanding common shares of the Company. As at

March 17, 2023, the Company received written consents in respect of the Transaction from

shareholders holding an aggregate of 122,018,186 Common Shares, representing approximately

54.1% of the outstanding common shares of the Company.

In addition, on March 16, 2023, the Company received the conditional approval of the Exchange

to complete the Transaction. The Transaction remains subject to final acceptance of the

Exchange.

Robert Wares, Chairman & CEO, commented : "We are very grateful for the support of our

shareholders regarding the joint venture transaction with Appian on the Pine Point Project. Having

expeditiously obtained the required shareholder and stock exchange approvals, we expect to be

able to close the joint venture transaction in late March or early April 2023. On behalf of the Board

of Directors of Osisko Metals, we thank our shareholders, management, and our advisors and

partners for their hard work and long-standing support, and we look forward to rapidly advancing

the Pine Point project with Appian."

Completion of the Transaction remains subject to, among other things, satisfaction of all

conditions precedent to the closing of the Transaction pursuant to the investment agreement

dated February 21, 2023 between the Company and Appian in respect of the Transaction (the

"Investment Agreement "). Assuming that all conditions precedent to the completion of the

Transaction are satisfied or waived, the Company anticipates the closing of the Transaction will

occur in late March or early April 2023.

For more details on the Transaction, please refer to the Company's news release on February

22, 2023, the material change report dated February 27, 2023 and the Investment Agreement,

copies of which are available on SEDAR (www.sedar.com) under the Company's issuer profile.

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Advisors

Maxit Capital LP is acting as financial advisor to Osisko Metals and Bennett Jones LLP is acting

as the Company's legal counsel.

McCarthy Tétrault LLP is acting as Appian's legal counsel.

About Osisko Metals

Osisko Metals Incorporated is a Canadian exploration and development company creating value

in the critical metals space, specifically copper and zinc. The Company controls one of Canada's

premier past-producing zinc mining camps, the Pine Point Project, located in the Northwest

Territories, for which the 2022 PEA has indicated an after-tax NPV of $602M and an IRR of 25%,

based on long-term zinc price of US$1.37/lb and the current Mineral Resource Estimates ("MRE")

that are amenable to open pit and shallow underground mining. The latest MRE consist of 15.7Mt

grading 5.55% ZnEq of Indicated Mineral Resources and 47.2Mt grading 5.94% ZnEq of Inferred

Mineral Resources. Please refer to the technical report entitled "Preliminary Economic

Assessment, Pine Point Project, Hay River, Northwest Territories, Canada" dated July 30, which

has been filed on SEDAR. The Pine Point Project is located on the south shore of Great Slave

Lake in the Northwest Territories, near infrastructure, paved highway access, and has an

electrical substation as well as 100 kilometres of viable haulage roads already in place.

The Company is also in the process of acquiring, from Glencore Canada, a 100% interest in the

past-producing Gaspé Copper Mine, located near Murdochville in the Gaspé peninsula of

Quebec. The Company is currently focused on resource evaluation of the Mount Copper

Expansion Project that hosts a NI 43-101 Inferred Resource of 456Mt grading 0.31% Cu (see

April 28, 2022 news release). Gaspé Copper hosts the largest undeveloped copper resource in

Eastern North America, strategically located near existing infrastructure in the mining-friendly

province of Quebec.

About Appian

Appian Capital Advisory LLP is a London-headquartered investment advisor to long-term value-

focused private equity funds that invest solely in mining and mining-related companies.

Appian is a leading investment advisor in the metals and mining industry, with global experience

across South America, North America, Europe, Australia and Africa and a successful track record

of supporting companies to achieve their devel opment targets, with a global operating portfolio

overseeing nearly 5,000 employees. Appian has a global team of 60 experienced professionals

with presences in London, Toronto, Montreal, Vancouver, Lima, Belo Horizonte and Perth. The

Appian team, through its private equity funds, has a long history of successfully bringing mines

through development and into production, having completed 8 mine builds in the last 5 years.

For more information, please visit www.appiancapitaladvisory.com, or find us on LinkedIn,

Instagram and Twitter.

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

Robert Wares, Chairman & CEO of Osisko Metals Incorporated

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Email: [email protected]

www.osiskometals.com

Cautionary Statement on Forward-Looking Information

This news release contains "forward-looking inform ation" 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 are not st atements of historical fact and constitute forward-

looking information. This news release may contain forward-looking information pertaining to the Pine Point

Project, including, among other things, the results of the PEA and the IRR, NPV and estimated costs,

production, production rate and mine life; the expect ation that the Pine Point Project will be a robust

operation and profitable at a variety of prices and assumptions; the abilit y to identify additional resources

and reserves (if any) and exploit such resources and reserves on an economic basis; the expected high

quality of the Pine Point concentrate s; the potential impact of the Pine Point Project in the Northwest

Territories, including but not limited to the potential generation of tax revenue and contribution of jobs; the

Pine Point Project having the potential for mineral resource expansion and new discoveries; the timing and

ability for the Pine Point Project to reach construction decision; the estimated costs to take the Pine Point

Project to construction decision; the timing and ab ility to complete the Transaction on the terms

contemplated (if at all); the ability of the Company to realize on the benefit of the Transaction; and the

impact to the Company of the disposition of ownership interest and control in the Pine Point Project, which

is a material property of the Co mpany. There can be no certainty on t he timing, costs and ability for the

joint-venture parties to take the Pine Point Project to reach construction decision or pursue planned

exploration and development as presently contemplated.

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 we ll as other factors that management believes to be

relevant and reasonable in the circumstances, including, without limitation, assumptions about: favourable

equity and debt capital markets; the ability and timing for the parties to fund cash calls to advance the

development of the Pine Point Project and pursue pl anned exploration and development; the ability to

complete the Transactions in the timing and terms contemplated (if at all); the ability to satisfy or waive on

satisfactory terms any conditions to the completion of the Transaction; future prices of zinc and lead; the

timing and results of exploration and drilling programs; the accuracy of mineral resource estimates;

production costs; operating conditions being favourabl e; political and regulatory stability; the receipt of

governmental and third party approvals; licenses and permits being received on favourable terms;

sustained labour stability; stability in financial and capital markets; availability of equipment; the economic

viability of the Pine Point Project; and positive relations with local groups. Forward-looking information

involves risks, uncertainties and other factors that could cause act ual events, results, performance,

prospects and opportunities to differ materially from those expressed or implied by such forward-looking

information. Factors that could cause actual result s to differ materially fr om such forward-looking

information are set out in the Company's public documents filed at www.sedar.com. Although the Company

believes that the assumptions and fa ctors used in preparing the forward-lo oking 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 in tention or obligation to update or revise any forward-

looking information, whether as a result of new inform ation, future events or otherwise, other than as

required by law.

Neither the Exchange nor its Regulation Services Provider (as that term is defined in the policies of

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the 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.