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Excelsior Mining Announces Extension of Nebari Loan and US$3,000,000 Financing

Financings Debt & Credit Facilities

NEWS RELEASE

Excelsior Mining Announces Extension of Nebari Loan and US$3,000,000 Financing

January 30, 2023

Excelsior Mining Corp. (TSX: MIN) (FSE: 3XS) (OTCQB: EXMGF) ("Excelsior" or the “Company”)

is pleased to announce that it and its wholly-owned subsidiary Excelsior Mining Arizona, Inc. (“Excelsior

Arizona”) has agreed with Nebari Natural Resources Credit Fund I LP (“Nebari”) to extend the maturity

date of its existing US$15 million credit facility to March 31, 2025. In addition, the Company has entered

into agreements for a US$3 million private placement of unsecured convertible debentures (the

“Debenture Offering ”) with Greenstone Resources L.P. (“ Greenstone”) and TF R&S Canada Ltd.

(“Triple Flag Canada”) a wholly-owned subsidiary of Triple Flag Precious Metals Corp. and affiliate of

Triple Flag International Ltd. (“ Triple Flag International ”) which holds the stream on the Gunnison

Copper Project.

Credit Agreement Extension

The Company, Excelsior Arizona and Nebari have entered into a Second Amendment to the Amended

and Restated Credit Agreement (the “Second Amended ARCA”). The Second Amended ARCA provides

for the extension of the maturity date of the existing US$15 million credit facility to March 31, 2025 (the

“Extension”).

The Extension is subject to certain conditions including completion of the Debenture Offering by February

17, 2023 and conclusion of certain agreements with Triple Flag International.

As consideration for the Second Amended ARCA, subject to Toronto Stock Exchange approval, the

Company is required to issue common shares of the Company (“ Common Shares”) to nominees of

Nebari in a number equal to US$450,000.00, converted to Canadian dollars at an exchange rate equal

to the average market rate posted by the Bank of Canada for the 5 days preceding the issuance, divided

by the lower of (i) the conversion price of the Debenture Offering and (ii) the volume weighted adjusted

price of the Common Shares for the 5 trading days immediately preceding the issuance. In addition,

commencing January 31, 2024 the Company will begin amortizing US$5 million of the principal amount

of the facility in monthly instalments of US$333,333.33.

Debenture Offering

Pursuant to the Debenture Offering, Triple Flag Canada and Greenstone will subscribe for a total of US$3

million principal amount of convertible debentures (the “ Debentures”). The terms of the Debentures

include:

• a maturity date of three years from the date of closing (the “ Maturity Date”) and the principal

amount, together with any accrued and unpaid interest, will be payable on the Maturity Date,

unless earlier converted in accordance with their terms;

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• the Debentures bear interest (the “ Interest”) at the rate of 10% per annum, which Interest will

be payable on April 1, 2025 and on the Maturity Date, unless earlier converted into Common

Shares;

• the principal amount of the Debenture is convertible into Common Shares at the option of the

holder at a conversion price of US$0.19 per Common Share;

• the accrued and unpaid Interest is convertible into Common Shares at a conversion price

equal to the volume weighted average trading price on the Toronto Stock Exchange for the

five trading days prior to the date of conversion; and

• the Debentures are unsecured.

The Company intends to use the proceeds of the Debenture Offering for project development expenses

and working capital. The closing of the Debenture Offering is subject to customary conditions, including

the approval of the Toronto Stock Exchange.

Additional Information

Nebari and Triple Flag are at arm's length to the Company. There are no commissions or finders' fees

payable in connection with the transactions discussed in this news release. There is no assurance that

the conditions to the Second Amended ARCA or closing of the Debenture Offering will be satisfied.

Greenstone and its affiliated entities currently hold 116,028,937 Common Shares (representing 42.22%

of the Company's current issued and outstanding Common Shares). Greenstone also owns and controls

1,250,000 options to acquire Common Shares. Upon closing of the Debenture Offering and conversion

of the Debentures held by Greenstone (assuming conversion of all interest payments on the maturity

date, using a conversion price of US$0.19), Greenstone would acquire ownership and control over an

additional 10,263,158 Common Shares, representing approximately 3.7% of the Company’s current

issued and outstanding Common Shares. As a result, together with the Common Shares it currently

owns and controls, Greenstone would hold a total of 126,292,095 Common Shares, which will represent,

in aggregate approximately 44.3% of the issued and outstanding Common Shares (assuming conversion

of only the Debentures held by Greenstone and assuming the conversion of all interest to maturity at

US$0.19).

Pursuant to Multilateral Instrument 61-101 - Protection of Minority Security Holders in Special

Transactions ("MI 61-101"), Greenstone's participation in the Debenture Offering constitutes a "related

party transaction" as Greenstone is a related party of the Company. The Company is relying on an

exemption from the formal valuation and minority shareholder approval requirements of MI 61-101

pursuant to exemptions contained in sections 5.5(a) and 5.7(1)(a) of MI 61-101 on the basis that at the

time Greenstone's participation in the Debenture Offering was agreed to, neither the fair market value of

the securities to be distributed in the Debenture Offering nor the consideration to be received for those

securities, insofar as the Debenture Offering involved the related party, exceeds 25% of the Company's

market capitalization. The Company will not file a material change report related to this financing more

than 21 days before the expected closing of the Debenture Offering as required by MI 61-101 since the

details of the participation by the related parties of the Company were not settled until just prior to closing

and the Company wished to close on an expedited basis for sound business reasons. The Common

Shares that will be acquired by Greenstone will be acquired pursuant to an exemption from the

prospectus requirement in section 2.3 of National Instrument 45-106.

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ABOUT EXCELSIOR MINING

Excelsior “The Copper Solution Company ” is a mineral exploration and production company that owns

and operates the Gunnison Copper Project in Cochise County, Arizona. The project is a low cost,

environmentally friendly in-situ recovery copper extraction project that is permitted to 125 million pounds

per year of copper cathode production. Excelsior also owns the past producing Johnson Camp Mine and

a portfolio of exploration projects, including the Peabody Sill and the Strong and Harris deposits.

For more information on Excelsior, please visit our website at www.excelsiormining.com.

For further information regarding this press release, please contact:

Excelsior Mining Corp.

Concord Place, Suite 300, 2999 North 44th Street, Phoenix, AZ, 85018.

Shawn Westcott

T: 604.365.6681

E: [email protected]

www.excelsiormining.com

Cautionary Note Regarding Forward-Looking Information

This news release contains "forward-looking information" concerning anticipated developments and events that may

occur in the future. Forward looking information contained in this news release includes, but is not limited to,

statements with respect to: (i) the completion of the conditions to the Second Amended ARCA; (ii) the closing of the

Debenture Offering; (iii) the use of proceeds of the Debenture Offering; and (iv) future production and production

capacity from the Company’s mineral projects.

In certain cases, forward-looking information can be identified by the use of words such as "plans", "expects" or

"does not expect", "budget", "scheduled", "estimates", "forecasts", "intends", "anticipates" or "does not anticipate",

or "believes", or variations of such words and phrases or state that certain actions, events or results "may", "could",

"would", "might", "occur" or "be achieved" suggesting future outcomes, or other expectations, beliefs, plans,

objectives, assumptions, intentions or statements about future events or performance. Forward-looking information

contained in this news release is based on certain factors and assumptions regarding, among other things, the

availability of financing to implement the Company’s operational plans, the estimation of mineral resources and

mineral reserves, the realization of resource and reserve estimates, expectations and anticipated impact of the

COVID-19 outbreak, copper and other metal prices, the timing and amount of future development expenditures, the

estimation of initial and sustaining capital requirements, the estimation of labour and operating costs (including the

price of acid), the availability of labour, material and acid supply, receipt of and compliance with necessary

regulatory approvals and permits, the estimation of insurance coverage, and assumptions with respect to currency

fluctuations, environmental risks, title disputes or claims, and other similar matters. While the Company considers

these assumptions to be reasonable based on information currently available to it, they may prove to be incorrect.

Forward looking information involves known and unknown risks, uncertainties and other factors which may cause

the actual results, performance or achievements of the Company to be materially different from any future results,

performance or achievements expressed or implied by the forward-looking information. Such factors include risks

inherent in the construction and operation of mineral deposits, including risks relating to changes in project

parameters as plans continue to be redefined including the possibility that mining operations may not be sustained

at the Gunnison Copper Project, risks relating to variations in mineral resources and reserves, grade or recovery

rates, risks relating to the ability to access infrastructure, risks relating to changes in copper and other commodity

prices and the worldwide demand for and supply of copper and related products, risks related to increased

competition in the market for copper and related products, risks related to current global financial conditions, risks

related to current global financial conditions and the impact of COVID-19 on the Company’s business, uncertainties

inherent in the estimation of mineral resources, access and supply risks, risks related to the ability to access acid

supply on commercially reasonable terms, reliance on key personnel, operational risks inherent in the conduct of

mining activities, including the risk of accidents, labour disputes, increases in capital and operating costs and the

risk of delays or increased costs that might be encountered during the construction or mining process, regulatory

risks including the risk that permits may not be obtained in a timely fashion or at all, financing, capitalization and

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liquidity risks, risks related to disputes concerning property titles and interests, environmental risks and the

additional risks identified in the “Risk Factors” section of the Company’s reports and filings with applicable Canadian

securities regulators.

Although the Company has attempted to identify important factors that could cause actual actions, events or results

to differ materially from those described in forward-looking information, there may be other factors that cause

actions, events or results not to be as anticipated, estimated or intended. Accordingly, readers should not place

undue reliance on forward-looking information. The forward-looking information is made as of the date of this news

release. Except as required by applicable securities laws, the Company does not undertake any obligation to

publicly update or revise any forward-looking information.