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Bunker Hill Announces Amendment of Outstanding RSUs

Share Capital & Compensation

Bunker Hill Announces Amendment of Outstanding RSUs

KELLOGG, Idaho and VANCOUVER, British Columbia, March 13, 2025 -- Bunker Hill Mining Corp . (“Bunker Hill ” or the

“Company”) (TSX-V: BNKR |OTCQB: BHLL) announces that its board of directors (the “Board”) has approved an amendment

to the vesting schedule of certain restricted stock units of the Company (“ RSUs”) previously granted to certain directors and

officers of the Company under the Company’s amended and restated restricted stock unit incentive plan (the “ RSU Plan”) on

November 2, 2022, July 4, 2023 and March 13, 2024 (collectively, the “ Prior Grants”), such that an aggregate of 3,891,096

RSUs granted to such directors and officers will now vest on May 1, 2025 rather than on March 13, 2025 or March 31, 2025,

as applicable. All other terms of such RSUs remain the same.

An aggregate of 11,673,293 RSUs were granted to such directors and officers in the Prior Grants, with the RSUs vesting

equally over three years based on the grant date. Each vested RSU entitles the holder to receive one share of common stock

of the Company.

A copy of the RSU Plan is available under the Company’s profile on SEDAR+.

ABOUT BUNKER HILL MINING CORP.

Bunker Hill Mining Corp. 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 while responsibly harnessing the mineral wealth in the Silver Valley mining district by

concentrating our efforts on this single, high-potential asset. Information about the Company is available on its website,

www.bunkerhillmining.com, or within 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

Neither the TSX Venture Exchange (the “TSX-V ”) nor its Regulation Services Provider (as that term is defined in the

policies of the TSX-V) accepts responsibility for the adequacy or accuracy of this release.

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 of 1933, as amended, 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, and the achievement of future

short-term, medium-term and long-term operational strategies.

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; the fluctuating price of commodities; 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 information

form or annual report and may be accessed through the SEDAR+ website ( www.sedarplus.ca) or through EDGAR on the SEC

website (www.sec.gov), respectively.