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Osisko Metals Signs Purchase Agreements to Acquire Strategic Claims Adjacent to the Mount Fronsac North Deposit

Mergers & Acquisitions Property Options & Staking

OSISKO METALS SIGNS PURCHASE AGREEMENTS TO ACQUIRE

STRATEGIC CLAIMS ADJACENT TO THE MOUNT FRONSAC NORTH DEPOSIT

(Montreal – November 27, 2017) Osisko Metals Incorporated (the “ Company” or “Osisko Metals”)

(TSX-V: OM; FRANKFURT: OB5) is pleased to announce that it has signed a formal Purchase Agreement

to acquire, from four vendors (The “Vendors”), a 100% interest in 4 claim groups (the “Properties”) in the

Mount Fronsac North area in the Bathurst Mining Camp (“BMC”). The Properties are comprised of a total

of 39 claim units that have an approximate surface area of 850 hectares. Three of these claim groups host

the northern extension and downdip potential of the Mount Fronsac North Deposit that was acquired by

Osisko Metals in July 2017 (see NR dated July 6, 2017).

A previous drill hole ( MF00-26) intersected several intervals Cu-Pb-Zn mineralization within a wide

envelope of strongly altered and pyritized mineralization that is the north plunging extension of the Mount

Fronsac North deposit. Hole MF00-26 intersected 7.0 metres grading 1.93% Zn (384.0-391.0 metres) as

well as 7.0 metres grading 1.84% Cu (399.0-406.0 metres). The mineralized envelope is comprised of a

22.5-metre-wide zone (379.0-401.5 metres) of semi -massive to massive sulphides . Only limited wide

spaced drilling was conducted to follow up on these results and the current Mount Fronsac North drill

program will test this area again very soon.

The fourth claim group that was acquired is a separate block and it is located 5 km east of the Mount

Fronsac North D eposit. This claim block hosts s imilar mineralized favourable stratigraphy that has had

limited drilling. However, one hole in this area intersected 29.9 metres of 1.5% Zn and 0.5% Pb. Untested

gravity anomalies and significant lead soil anomalies exist up- ice from this drilling. O sisko Metal s also

staked adjacent claims in the area to create a coherent land package covering similar stratigraphy.

Jeff Hussey, President and CEO of Osisko Metals, commented: “We are happy to announce another

acquisition in the western half of the BMC. The Mount Fronsac North Deposit is a relatively large sulphide

deposit that hosts high grade mineralization locally. The larger volume of sulphide mineralization is

evidence of a significant volcanogenic system that we will evaluate and explore.”

THE MOUNT FRONSAC NORTH EXTENSION TRANSACTION

Pursuant to the Purchase Agreement between the Vendors and Osisko Metals, the Company will acquire

100% interest and will have the exclusive rights to explore and develop the Property by ;

• Making a one-time payment by issuing 150,000 common shares of Osisko Metals to the Vendors

on the closing of the Purchase Agreement; and

Additional Performance Payment as follows:

• Issue to the Seller an additional maximum amount of $999,999 payable in the equivalent value of

Osisko Metals common shares valued at the 30- day VWAP prior to the event that the Purchaser

achieves commercial production on the Properties with the Sellers being entitled to such

percentage of this Performance Payment as is obtained by dividing the amount of Mineral Reserves

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existing on the Property (as set out in a Positive Feasi bility Study) by the total Mineral Reserves

contained within the adjacent claim blocks in which the Purchaser has an interest ;

The Vendors will retain a 0.6% Net Smelter Royalty (NSR) from the proceeds of any commercial production

from the Properties.

The transaction is subject to TSX Venture approval.

About Mount Fronsac North

The Mount Fronsac North deposit contains a historical, non 43-101 compliant, unclassified resource of

1.26 million tonnes grading 7.65 % Zn, 2.18 % Pb, 0.14% Cu, 40.3 g/t Ag, and 0.40 g/t Au. This high

grade zone is hosted within 14 million tonnes of low-grade, semi-massive (>60%) to locally massive

sulfides that occur in an envelope of quartz-sericite ± chlorite schist.

The high grade deposit has a north-south strike length of 525 metres and a down dip length of 600 metres.

Thickness varies between 2 to 20 metres. The alteration and disseminated mineralization halo has a

maximum thickness of 140 metres and contains up to 50 percent fine to coarse-grained disseminated pyrite.

The pyritic envelope is 900 metres long and extends down dip over 1,000 met res. Massive sulfides are

found throughout this alteration envelope, but preferentially occur at or near the upper contact.

Qualified Person

Gary Woods is a Professional Geologist registered in New Brunswick and the Senior Exploration Manager

for Osisko Metals Incorporated, he is the Qualified Person responsible for the technical data reported in

this news release.

About Osisko Metals

Osisko Metals is a Canadian exploration and development company creating value in the base metal

space with an emphasis on zinc. In 2017, the Company acquired over 50,000 hectares in t he Bathurst

Mining Camp (“BMC”). The objective is to develop a multi -deposit asset base that c ould feed a central

concentrator. In parallel, Osisko Metals is monitoring several base metal oriented peers for projects and

acquisition opportunities. In Québec, the Company acquired 42,000 hectares that cover 12 grass-root zinc

targets that will be selectively advanced through exploration. Osisko Gold Royalties Ltd. (TSX/NYSE: OR)

and Osisko Mining Inc. (TSX: OSK) are significant shareholders of the Company.

For further information on Osisko Metals, visit www.osiskometals.com or contact:

Jeff Hussey

President & CEO

Osisko Metals Incorporated

(514) 861-4441

Email: [email protected]

www.osiskometals.com

Christina Lalli

Director, Investor Relations

Osisko Metals Incorporated

(514) 861-4441

Email: [email protected]

www.osiskometals.com

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

of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

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Cautionary Note Regarding 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.

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. Forward- looking information in this news release includes, but is not

limited to, the use of proceeds of the Offering; the t iming and ability of the Corporation, if at all, to obtain

final approval of the Offering from the TSX Venture Exchange; an exemption being available under MI 61-

101 and Policy 5.9 of the TSX Venture Exchange from the minority shareholder approval and valuation

requirements for each related party transaction; objectives, goals or future plans; statements regarding

exploration results and exploration plans. Factors that could cause actual results to differ materially from

such forward- looking information inc lude, but are not limited to, capital and operating costs varying

significantly from estimates; the preliminary nature of metallurgical test results; delays in obtaining or

failures to obtain required governmental, environmental or other project approvals; uncertainties relating to

the availability and costs of financing needed in the future; changes in equity markets; inflation; fluctuations

in commodity prices; delays in the development of projects; the other risks involved in the mineral

exploration and development industry; and those risks set out in the Corporation's public documents filed

on SEDAR at www.sedar.com. Although the Corporation 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 Corporation 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 R egulation Services Provider (as that term is defined in the

policies of the TSX Venture Exchange) accepts 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.