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LUCA.V ·

LUCA Announces Leadership Growth and Board Transition

Management Changes

Luca Mining Corp.

Suite 410, 1111 Melville Street

Vancouver, BC, V6E 3V6, Canada

NEWS RELEASE

LUCA ANNOUNCES LEADERSHIP GROWTH AND BOARD TRANSITION

Vancouver, British Columbia, June 12, 2025

Luca Mining Corp. (“Luca” or the “Company”) (TSX-V: LUCA; OTCQX: LUCMF; Frankfurt: Z68) is pleased to

report that Mr. Ramon Mendoza, currently Luca's interim Chief Operating Officer will assume the position

of permanent COO effective as of June 01, 2025. Mr. Mendoza will also continue to be the Company’s

Chief Technical Officer.

Mr. Mendoza has over 35 years of senior experience in the mining industry , with expertise in mine

development, process optimization, and a highly successful track record of managing both underground

and open-pit operations. He has played a pivotal role in the successful transformation of Luca’s operations

at the Campo Morado and Tahuehueto mines in Mexico into consistent producers of gold, silver and base

metals with significant growth potential. Prior to joining Luca, Mr. Mendoza worked as a mining consultant

and spent many years at First Majestic Silver Corp., where he was a member of the senior leadership team,

focusing on strategic management and project execution.

The Company also announces that Mr. David Rhodes will be stepping down as Chairman effective as of

June 10, 2025 but will remain a valued member of Luca’s Board of Directors. Well known in the financial

industry, including as the Managing Director of Endeavour Financial, Mr. Rhodes’ guidance and expertise

will continue to be of great benefit to the Company.

Mr. Peter Damouni will step into the role of Chairman of the Board . He brings over 20 years of global

corporate and investment banking experience with a focus on the natural resources sector. Mr Damouni

has served as an executive and director of several public companies listed on the TSX, TSXV, and LSE.

Throughout his career, he has played a key role in developing and executing corporate strategies ,

including equity and debt financings, restructurings, joint ventures, acquisitions and sale processes. Mr.

Damouni has been a Director of Luca since 2024 and has demonstrated outstanding leadership to the

Company, fostering a shared sense of purpose, initiative and positivity.

Mr. Dan Barnholden, CEO, commented, “ I believe that Luca has a team that is second to none. Ramon

Mendoza and Peter Damouni are highly effective, strong leaders who are focused on growing Luca in a

safe, sustainable way. Peter is very much welcomed as Chair as we continue to build and execute our

corporate strate gies. He is an excellent team -builder and his guidance will be critical as our grow th

accelerates. I would like to thank David Rhodes for his support and expertise during his time as Luca’s

Chair. Luca is fortunate that David will remain as a Director. Ramon has excelled on the operational front

since joining Luca and will build upon this success in his new position as COO. He is a role model to the

teams in Mexico and under his leadership Luca’s two mines have consistently performed well. His expertise

has facilitated successful optimizations at the Company’s operations leading to increased production, cash

flow and market performance.”

Luca Mining Corp.

Suite 410, 1111 Melville Street

Vancouver, BC, V6E 3V6, Canada

About Luca Mining Corp.

Luca Mining Corp. (TSX-V: LUCA, OTCQX: LUCMF, Frankfurt: Z68) is a Canadian mining company with two

wholly owned mines located in the prolific Sierra Madre mineralized belt in Mexico. These mines

produce gold, copper, zinc, silver, and lead and generate strong cash flow. Both mines have considerable

development and resource upside as well as significant exploration potential.

The Company's Campo Morado Mine hosts VMS-style, polymetallic mineralization within a large land

package comprising 121 sq km. It is an underground operation, producing gold, silver, copper, zinc, and

lead. The mine is located in Guerrero State.

The Tahuehueto Mine is a large property of over 75 sq km in Durango State. The project hosts

epithermal gold and silver vein-style mineralization. Tahuehueto is a newly constructed underground

mining operation producing primarily gold and silver. The Company has successfully commissioned its

mill and is now in commercial production.

For more information, please visit: www.lucamining.com

On Behalf of the Board of Directors

(signed) “Dan Barnholden”

Dan Barnholden, CEO

Cautionary Note Regarding Production Decisions and Forward-Looking Statements

Statements contained in this news release that are not historical facts are "forward-looking information"

or "forward -looking statements" (collectively, "Forward -Looking Information") within the meaning of

applicable Canadian securities laws. Forward Looking Information includes, but is not limited to, estimated

production guidelines for 2025 and other possible events, conditions or performance that are based on

assumptions about the proposed exploration program and its anticipated results; the timing and costs of

future activities on the Company's properties, such as production rates and increases and sustaining

capital expenditures; success of exploration, development, and metres to be drilled in exploration on the

Tahuehueto Mine site and the Campo Morado Mine site. In certain cases, Forward -Looking Information

can be identified using words and phrases such as "plans"," expects", "scheduled", "estimates",

"forecasts", "intends", "anticipates" or variations of such words and phrases. In preparing the Forward -

Looking Information in this news release, the Company has applied several material assumptions,

including, but not limited to, that the Company will be able to raise additional capital as necessary; the

current exploration, development, environmental and other objectives concerning the Tahuehueto Mine

can be achieved; that consistent and sustainable mill feed at Campo Morado Mine will be achieved; the

continuity of the price of gold and other metals and economic and political conditions. 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 implie d by the Forward -Looking Information. There

can be no assurance that Forward -Looking Information will prove to be accurate, as actual results and

future events could differ materially from those anticipated in such statements. Accordingly, readers

Luca Mining Corp.

Suite 410, 1111 Melville Street

Vancouver, BC, V6E 3V6, Canada

should not place undue reliance on Forward-Looking Information. Except as required by law, the Company

does not assume any obligation to release publicly any revisions to Forward -Looking Information

contained in this news release to reflect events or circu mstances after the date hereof or to reflect the

occurrence of unanticipated events.

Neither TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies

of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

For further information about Luca Mining Corp., please contact:

Sophia Shane

Director of Investor Relations

[email protected]

Tel: +1 (604) 306-6867

or

Glen Sandwell

Corporate Communications Manager

[email protected]

Tel: +1 (604) 684-8071