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Bunker Hill Announces Election to Issue Shares in Satisfaction of Interest Payment Obligations

Share Capital & Compensation

Bunker Hill Announces Election to Issue Shares in Satisfaction of Interest

Payment Obligations

KELLOGG, Idaho and VANCOUVER, British Columbia, March 31, 2026 -- Bunker Hill Mining Corp. (“ Bunker Hill ” or the

“Company”) (TSX:BNKR | OTCQB:BHLL) announces that it has elected to issue an aggregate of 72,115 shares of common

stock of the Company (the “Interest Shares”) in full satisfaction of the interest payable as of March 31, 2026 under certain debt

instruments (collectively, the “Interest Payments”), including (i) an aggregate of 20,604 Interest Shares to certain holders of

5.0% Series 1 secured convertible debentures (the “Series 1 Debentures”) for the aggregate interest of US$75,000 owing

thereunder, (ii) an aggregate of 51,511 Interest Shares to certain holders of 5.0% Series 2 secured convertible debentures (the

“Series 2 Debentures”) for the aggregate interest of US$187,500 owing thereunder, together with the Series 1 Debentures and

the Series 2 Debentures, the “Debt Instruments”) for the aggregate interest of US$262,500 owing thereunder in connection with

advances to the Company. The Series 1 Debentures and Series 2 Debentures mature on March 31, 2028, and March 31,

2029, respectively.

In accordance with the terms of the Debt Instruments, the Company will issue the Interest Shares at a price of USD$3.64

(approximately C$5.05) per Interest Share based on 90% of the 10-day volume weighted average trading price of the shares of

common stock of the Company on the applicable stock exchange which the Company’s shares of common stock are trading

(the “Exchange”) on the trading days beginning on March 16, 2026 and ending on March 27, 2026 (the “Pricing Period ”).

In connection with the Interest Payments, the Company will issue an aggregate of 68,681 Interest Shares to certain managed

accounts of Sprott Private Resource Streaming and Royalty Corp. (“ Sprott”) and, accordingly, the issuance of such Interest

Shares to Sprott will constitute a “related party transaction” within the meaning of Multilateral Instrument 61-101 – Protection

of Minority Shareholder Approval (“MI 61-101”). The Company intends on relying on exemptions from the formal valuation and

minority shareholder approval requirements under MI 61-101 as neither the fair market value of the Interest Shares to be issued

to Sprott, nor the consideration received for such Interest Shares, will exceed 25% of the Company’s market capitalization.

The Company did not file a material change report more than 21 days prior to the election to issue the Interest Shares as the

Pricing Period only ended yesterday on March 26, 2026.

The issuance of the Interest Shares is subject to the terms and conditions of the Debt Instruments as well as the receipt of all

regulatory approvals, including, without limitation, the approval of the Exchange. Once issued, the Interest Shares will be

subject to a four-month-and-one-day hold period in accordance with applicable Canadian securities laws. The Interest Shares

have not been, and will not be, registered under the United States Securities Act of 1933, as amended (the “ U.S. Securities

Act”) or any U.S. state securities laws, and may not be offered or sold in the United States without registration under the U.S.

Securities Act and all applicable state securities laws or in compliance with the requirements of an applicable exemption

therefrom.

ABOUT BUNKER HILL MINING CORP.

Bunker Hill is an American mineral exploration and development company focused on revitalizing our historic mining asset: the

renowned zinc, lead, and silver deposit in northern Idaho’s prolific Coeur d’Alene mining district. This strategic initiative aims to

breathe new life into a once-productive mine, leveraging modern exploration techniques and sustainable development practices

to unlock the potential of this mineral-rich region. Bunker Hill Mining Corp. aims to maximize shareholder value by responsibly

harnessing the mineral wealth in the Silver Valley mining district, focusing our efforts on this single, high-potential asset.

Information about the Company is available on its website at www.bunkerhillmining.com or in the SEDAR+ and EDGAR

databases.

On behalf of Bunker Hill

Sam Ash

President, Chief Executive Officer and Director

For additional information, please contact:

Brenda Dayton

Vice President, Investor Relations

T: 604.417.7952

E: [email protected]

Cautionary Statements

Certain statements in this news release are forward-looking and involve a number of risks and uncertainties. Such forward-

looking statements are within the meaning of that term in Section 27A of the U.S. Securities Act and Section 21E of the U.S.

Securities Exchange Act of 1934, as amended, as well as within the meaning of the phrase ‘forward-looking information’ in the

Canadian Securities Administrators’ National Instrument 51-102 – Continuous Disclosure Obligations (collectively, “ forward-

looking statements”). Forward-looking statements are not comprised of historical facts. Forward-looking statements include

estimates and statements that describe the Company’s future plans, objectives or goals, including words to the effect that the

Company or management expects a stated condition or result to occur. Forward-looking statements may be identified by such

terms as “believes”, “anticipates”, “expects”, “estimates”, “may”, “could”, “would”, “will”, “plan” or variations of such words and

phrases.

Forward-looking statements in this news release include, but are not limited to, statements regarding: the Company’s

objectives, goals or future plans, including the restart and development of the Bunker Hill Mine; the achievement of future

short-term, medium-term and long-term operational strategies; and the terms and completion of the Interest Payments

described herein, including the number and deemed pricing of the Interest Shares issuable in connection therewith, and the

Company receiving all regulatory and stock exchange approvals for the Interest Payments. Forward-looking statements reflect

material expectations and assumptions, including, without limitation, expectations and assumptions relating to: Bunker Hill’s

ability to complete the Interest Payments on the terms described herein or at all; Bunker Hill’s ability to receive sufficient

project financing for the restart and ongoing development of the Bunker Hill Mine on acceptable terms or at all; the future price

of metals; and the stability of the financial and capital markets. Factors that could cause actual results to differ materially

from such forward-looking statements include, but are not limited to, those risks and uncertainties identified in public filings

made by Bunker Hill with the U.S. Securities and Exchange Commission (the “ SEC”) and with applicable Canadian securities

regulatory authorities, and the following: the Company’s inability to raise additional capital for project activities, including

through equity financings, concentrate offtake financings or otherwise; capital market conditions; restrictions on labor and its

effects on international travel and supply chains; failure to identify mineral resources; failure to convert estimated mineral

resources to reserves; the preliminary nature of metallurgical test results; the Company’s ability to restart and develop the

Bunker Hill Mine and the risks of not basing a production decision on a feasibility study of mineral reserves demonstrating

economic and technical viability, resulting in increased uncertainty due to multiple technical and economic risks of failure

which are associated with this production decision including, among others, areas that are analyzed in more detail in a

feasibility study, such as applying economic analysis to resources and reserves, more detailed metallurgy and a number of

specialized studies in areas such as mining and recovery methods, market analysis, and environmental and community

impacts and, as a result, there may be an increased uncertainty of achieving any particular level of recovery of minerals or the

cost of such recovery, including increased risks associated with developing a commercially mineable deposit, with no

guarantee that production will begin as anticipated or at all or that anticipated production costs will be achieved; failure to

commence production would have a material adverse impact on the Company's ability to generate revenue and cash flow to

fund operations; failure to achieve the anticipated production costs would have a material adverse impact on the Company's

cash flow and future profitability; delays in obtaining or failures to obtain required governmental, environmental or other project

approvals; political risks; changes in equity markets; uncertainties relating to the availability and costs of financing needed in

the future; the inability of the Company to budget and manage its liquidity in light of the failure to obtain additional financing,

including the ability of the Company to complete the payments pursuant to the terms of the agreement to acquire the Bunker

Hill Mine complex; inflation; changes in exchange rates; fluctuations in commodity prices; delays in the development of

projects; and capital, operating and reclamation costs varying significantly from estimates and the other risks involved in the

mineral exploration and development industry. Although the Company believes that the assumptions and factors used in

preparing the forward-looking statements in this news release are reasonable, undue reliance should not be placed on such

statements or 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, including as to whether or when the Company will achieve its project

finance initiatives, or as to the actual size or terms of those financing initiatives. 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. No stock exchange, securities commission or other regulatory authority has approved

or disapproved the information contained herein.

Readers are cautioned that the foregoing risks and uncertainties are not exhaustive. Additional information on these and other

risk factors that could affect the Company’s operations or financial results are included in the Company’s annual report and

may be accessed through the SEDAR+ website ( www.sedarplus.ca) or through EDGAR on the SEC website (www.sec.gov).