Principal Project: Cu-Ag-Au Porphyry-Skarn in Northern New Brunswick
Defined Target Area Has Alteration Footprint Larger than Gaspé Copper Project
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Area → define → Project
Spin-Out Osisko Critical Minerals Corporation to Commence Exploration Following Completion of the Transaction
TORONTO, Sept. 15, 2026 (GLOBE NEWSWIRE) — Osisko Metals Incorporated (the “Company” or “Osisko Metals”) (TSX: OM; OTCQX: OMZNF; FRANKFURT: 0B51) is pleased to announce its intentions to create a new mineral exploration company to be named “Osisko Critical Minerals Corporation” (“OCMC”), which will be led by John Burzynski as Chief Executive Officer.
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which → spin → Officer
OCMC is designed to unlock the value of Osisko Metals non-core projects by transferring a portfolio of mineral exploration properties located in New Brunswick (the “Properties”) into OCMC, a dedicated, standalone vehicle.
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OCMC → design → OCMC
Incoming CEO John Burzynski commented: “We are excited by the prospect of this new copper and critical minerals exploration company and the assets it brings forward.
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it → comment → company
New Brunswick has been home to major metal deposits in the past, and we believe there is excellent potential for defining a significant mineralized bulk-tonnage porphyry-skarn deposit on OCMC’s assets.
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we → believe → assets
Much as the Osisko companies redefined gold exploration in Québec with our past work at Canadian Malartic and at Windfall, we believe there is significant untested potential on the assets that will be transferred to OCMC, which could lead to the discovery of new copper deposits in New Brunswick.
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which → redefine → Brunswick
Plans for OCMC will include an aggressive exploration program and drilling, planned to start following the conclusion and financing of the transaction.
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Plans → include → transaction
In connection with its creation, the Company intends to explore financing alternatives, with Osisko Metals to retain a minority interest in OCMC following completion of any such financing.
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Metals → intend → financing
An overview of the Properties is included below.
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overview → include → Properties
Additional details will be provided as matters progress.
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matters → provide → ?
The completion of the transaction and the exact form and consideration of vending the Properties into OCMC are subject to a number of conditions, including the completion of legal and tax structuring analyses; completion of financial analysis; determination of the structure and amount of funding of OCMC; determination of final details of the transaction; settlement of the board of directors and management team for OCMC; and required regulatory approvals.
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completion → vend → OCMC
There can be no assurance that any securities of OCMC will be listed on any stock exchange.
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securities → list → exchange
Benefits of the Transaction
The transaction will provide shareholders of Osisko Metals with an indirect interest in OCMC through the Company’s retained ownership interest in OCMC, which will allow the capital markets to ascribe value to the Properties independently of Osisko Metals core property assets.
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markets → provide → assets
The proposed transaction will enable Osisko Metals to focus on advancing its flagship project, the past-producing Gaspé Copper mine located near Murdochville in Québec’s Gaspé Peninsula.
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transaction → propose → Peninsula
The Company is currently completing resource expansion work on the Gaspé Copper Project, which hosts current pit-constrained Measured and Indicated Mineral Resources of 1.83 Bt averaging 0.32% CuEq and Inferred Mineral Resources of 239 Mt averaging 0.46% CuEq.
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which → complete → CuEq
The Properties comprise an aggregate of 2,972 mineral claim units (approximately 645 square kilometres) staked by the Company and claims which Osisko Metals has an option to acquire pursuant to three separate option agreements (the “Option Agreements”, entered into on January 9, 2026; April 20, 2026; and September 9, 2026 respectively).
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Metals → comprise → January
In connection with the transaction, the Option Agreements will be assigned to OCMC in exchange for shares of OCMC.
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Agreements → assign → OCMC
The Properties include several large-scale mineral exploration targets prospective for copper, silver and gold, underlain by highly prospective geology similar in context to the nearby Gaspé Copper Project.
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Properties → include → Project
The NB Copper Project located in northern New Brunswick represents a compelling new copper exploration opportunity in a proven mining jurisdiction and is readily accessible via paved highways and gravel roads.
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Project → locate → highways
The project area is situated on Crown land facilitating cost-effective exploration and permitting activities.
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area → situate → activities
Geologically, the project lies within the Popelogan–Victoria Arc, immediately south of the Gaspé Belt.
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project → lie → Belt
Multiple Devonian porphyritic intrusive phases of granodiorite characterize this regional tectonic setting, and porphyry emplaced into sedimentary, felsic volcanic, and mafic volcanic host rocks - geological conditions analogous to those observed at the Gaspé Copper Project.
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phases → characterize → Project
Historical exploration efforts in the area focused primarily on identifying high-grade skarn-style mineralization and were generally limited in scale, with only sparse shallow drilling.
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efforts → focus → drilling
No comprehensive, modern exploration program has been conducted to assess the potential for large-scale, low-grade bulk-tonnage copper systems like the mineralization model currently being advanced at the Gaspé Copper Project.
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program → conduct → Project
Past drilling intersected multiple copper-bearing zones and skarn mineralization, however, exploration and drilling were largely confined to near-surface showings.
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exploration → intersect → showings
Mineralization and skarn/porcellanite alteration has been identified across multiple geological units, extending over an interpreted area of nominally 5 kilometres x 2 kilometres, similar to the Copper Brook alteration aureole which characterizes the Gaspé Copper deposit.
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which → identify → deposit
The property also hosts 21 additional porphyry intrusions that have never been evaluated for their bulk-tonnage copper potential.
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that → host → potential
Highlights
- The NB Copper Project presents a large exploration target that has not been systematically drill-tested and hosts significant potential for bulk tonnage deposits similar to the Gaspé Copper Project;
- Large land package (430 square kilometres);
- Devonian calc-alkaline porphyries intruded into Siluro-Devonian calcareous pelites and limestones (analogue to Gaspé Copper Project setting);
- Previous work has defined a large (minimum 5 kilometre x 2 kilometre) near-surface porcellanite/skarn alteration zone: a hydrothermal system larger in scale than the Gaspé Copper Project (3.5 kilometre x 2.5 kilometre), with local near-surface and surface copper mineralization;
- Sparse historical drilling focused on exploring for near-surface high-grade copper skarn mineralization (less than 200 metres deep).
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drilling → present → mineralization
Only two deeper (500 metres – 600 metres) holes have been drilled, both showing skarn/porcellanite alteration from top to bottom, similar to that found at Gaspé Copper, with anomalous copper-gold mineralization near surface where analyses were made.
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analyses → drill → surface
The main assets within the Bathurst Mining Camp (“BMC”) holdings include the Key Anacon and Gilmour South Mineral Resource (Table 1) as well as the Mount Fronsac occurrence.
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assets → include → Resource
The Key Anacon mineral resource estimate was completed in 2019 and hosts indicated mineral resources of 1.96 Mt averaging 5.77% zinc, 2.38% lead, 0.22% copper and 68.9 g/t silver (9.00% ZnEq) and inferred mineral resources of 3.85 Mt averaging 5.34% zinc, 1.49% lead, 0.32% copper and 47.7 g/t silver (7.96% ZnEq).
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estimate → complete → lead
The Mount Fronsac deposit contains an historical, non-NI 43-101 compliant, unclassified mineral resource estimate of 1.26 million tonnes averaging 7.65 % Zn, 2.18 % Pb, 0.14% Cu, 40.3 g/t Ag, and 0.40 g/t Au.
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deposit → contain → Zn
There is no certainty that the transaction will be completed on the terms proposed or at all.
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transaction → be → terms
The board of directors of Osisko Metals may determine not to proceed with the transaction should there be a change in market conditions or investor interest or should another opportunity arise that would similarly enhance value for Osisko Metals’ shareholders.
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that → determine → shareholders
Osisko Metals will provide updates when further details of the proposed transaction are determined.
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details → provide → transaction
The scientific and technical information within this news release was reviewed and approved by Jared Hansen, P.Geo. (APEGNB M9393) a “qualified person” within the meaning of NI 43-101 – Standards of Disclosure for Mineral Projects (“NI 43-101”) who is not independent of the Company for purposes of Section 1.5 of NI 43-101.
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who → review → NI
The historical mineral resource estimate for the Mount Fronsac deposit disclosed herein is based on historical data and reports.
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estimate → disclose → data
A qualified person has not done sufficient work to classify the historical estimate as a current mineral resource.
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person → do → resource
The Company is not treating the historical estimate as a current mineral resource as defined in NI 43-101.
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Company → treat → NI
The historical estimate should not be relied upon.
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estimate → rely → ?
…and 22 more, not listed.
The Aporia
