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Osisko Metals Announces Conversion of Glencore Canada'S US$25 Million Convertible Debenture

Financings Debt & Credit Facilities

OSISKO METALS ANNOUNCES CONVERSION OF GLENCORE

CANADA'S US$25 MILLION CONVERTIBLE DEBENTURE

(Toronto, July 13, 2026) Osisko Metals Incorporated (the "Company" or "Osisko Metals") (TSX:

OM; OTCQX: OMZNF; FRANKFURT: OB51) announces that Glencore Canada Corporation

("Glencore Canada"), the holder of the Company 's US$25,000,000 senior secured convertible

debenture dated July 14, 2023 (the "Convertible Debenture"), has exercised its right to convert

the Convertible Debenture into securities of the Company in accordance with its terms, as more

particularly described below. Conversion of the Convertible Debenture remains subject to the final

approval of the Toronto Stock Exchange (the "TSX").

Pursuant to a conversion notice delivered by Glencore Canada on June 25, 2026 (the

"Conversion Notice"), the initial principal amount of US$25,000,000 under the Convertible

Debenture, together with all capitalized and uncapitalized, unpaid and accrued interest

thereunder (the "Interest"), have been converted into units of the Company (the "Units"). Each

Unit consists of one common share of the Company (a "Common Share") and one-half of one

common share purchase warrant of the Company (each whole warrant, a "Warrant").

• Conversion of Initial Principal: The conversion of the initial principal amount of the

Convertible Debenture (US$25,000,000) resulted in the issuance of 88,962,500 Units ,

consisting of 88,962,500 Common Shares and 44,481,250 Warrants, at a conversion price

of C$0.40 per Unit. Each Warrant issued in respect of the conversion of the initial principal

had an exercise price of C$0.46 per Common Share.

• Conversion of Interest: The conversion of the Interest (US$7,617,438.72 ) resulted in the

issuance of 6,862,444 Units , consisting of 6,862,444 Common Shares and 3,431,222

Warrants, at a conversion price of C$1.58 per Unit, being the closing price of the Common

Shares on the TSX on June 24 , 2026 (the date preceding the date of the Conversion

Notice) in accordance with the terms of the Convertible Debenture. Each Warrant issued

in respect of the conversion of Interest has an exercise price of C$1.68 per Common

Share.

Glencore Canada has elected to exercise, on a cashless basis, all 44,481,250 Warrants issued

pursuant to the conversion of the initial principal amount of the Convertible Debenture, at an

exercise price of C$0.46 per Common Share, resulting in the issuance of an aggregate of

32,301,860 Common Shares to Glencore Canada (the "Warrant Exercise").

Glencore Canada continues to hold the 3,431,222 Warrants issued pursuant to the conversion of

the Interest. These Warrants expire on August 7, 2026.

After giving effect to the transactions described above, Glencore Canad a beneficially owns or

controls, directly or indirectly, 128,126,804 Common Shares and 3,431,222 Warrants,

representing approximately (i) 14.4% of the issued and outstanding Common Shares on a non -

diluted basis, and (ii) 14.7% of the Common Shares on a partially-diluted basis (assuming for this

purpose only the exercise of the 3,431,222 Warrants held by Glencore Canada).

Early Warning Disclosure

Immediately prior to the conversion of the Convertible Debenture, Glencore Canada did not

beneficially own or control, directly or indirectly, any securities of the Company other than the

Convertible Debenture. If the Convertible Debenture had been converted in full (including the

principal and unpaid Interest thereon) immediately prior to the conversion, Glencore Canada

would have beneficially owned an aggregate of 95,824,944 Common Shares and 47,912,472

Warrants, representing (i) approximately 11.2% of th e Common Shares that would then have

been issued and outstanding on a non-diluted basis, and (ii) approximately 15.9% of the Common

Shares on a partially-diluted basis (assuming, for this purpose, only the exercise of the 47,912,472

Warrants held by Glencore Canada).

After giving effect to the conversion of the Convertible Debenture and the Warrant Exercise,

Glencore Canada beneficially own s or controls, directly or indirectly, 128,126,804 Common

Shares and 3,431,222 Warrants, representing (i) approximately 14.4% of the issued and

outstanding Common Shares on a non-diluted basis, and (ii) approximately 14.7% of the Common

Shares on a partially-diluted basis (assuming, for this purpose, only the exercise of the 3,431,222

Warrants held by Glencore Canada).

Glencore Canada acquired the Common Shares and Warrants for investment purposes and will

continue to monitor the business, prospects, financial condition and potential capital requirements

of the Company. Depending on its evaluation of these and other factors, Glencore Canada may

from time to time in the future decrease or increase its direct or indirect ownership, control or

direction over securities of the Company through market transactions, private agreements,

subscriptions from treasury or otherwise, or may in the future develop plans or intentions relating

to any of the other actions listed in (a) through (k) of Form 62-103F1 – Required Disclosure Under

the Early Warning Requirements . Glencore Canada may also in the future exercise its rights

under the investor rights agreement between Glencore Canada and the Company dated July 14,

2023.

For the purposes of this news release and the early warning disclosure herein, the number and

percentages of Common Shares beneficially owned or controlled by Glencore Canada are

calculated based on the Company having issued and outstanding : (i) 762,559,657 Common

Shares immediately prior to the conversion of the Convertible Debenture ; and (ii) 890,686,461

Common Shares immediately following completion of the conversion of the Convertible

Debenture and the Warrant Exercise.

This portion of this news release is being issued pursuant to National Instrument 62- 103 – The

Early Warning System and Related Take-Over Bid and Insider Reporting Issues. An early warning

report will be filed on SEDAR+ (www.sedarplus.ca) under the Company's issuer profile. Persons

who wish to obtain a copy of the early warning report to be filed by Glencore Canada may obtain

a copy of such report (i) from SEDAR+ (www.sedarplus.ca) under the Company's issuer profile,

or (ii) by contacting Peter Fuchs by telephone (a t +1 416-305-9273) or by email (at

[email protected]).

Glencore Canada's address is 100 King Street West, Suite 6900, P.O. Box 403, Toronto, Ontario,

Canada, M5X 1E3. Glencore Canada is incorporated under the laws of Ontario and is a wholly

owned indirect subsidiary of Glencore plc.

The Company's head office is located at 155 University Avenue, Suite 1440, Toronto, Ontario,

Canada, M5H 3B7.

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 site is located near Murdochville in Québec 's Gaspé Peninsula.

The Company is currently focused on resource expansion of the Gaspé Copper deposits, with

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 (in compliance

with NI 43-101). For more information, see Osisko Metals ' April 14, 2026 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 averaging 5.52% ZnEq and Inferred Mineral Resources of 8.3 Mt

averaging 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, NWT, close to infrastructure, with paved road

access, an electrical substation and 100 kilometres of viable haul roads.

For Further Information

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

Don Njegovan, President

Email: [email protected]

Phone: (416) 500-4129

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. 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: receipt of the final

approval of the TSX.

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, including, without

limitation, assumptions about: the ability of expl oration results, including drilling, to accurately

predict mineralization; errors in geologic al modelling; insufficient data; equity and debt capital

markets; future spot prices of copper, molybdenum and silver; the timing and results of exploration

and drilling programs; the accuracy of mineral resource estimates; production costs; 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 mining equipment and positive relations with local communities and

groups. 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.