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LUCA.V ·

Luca Mining Announces Grant of Stock Options and Restricted Share Units

Share Capital & Compensation

Luca Mining Corp.

` Suite 410, 1111 Melville Street

Vancouver, BC, V6E 3V6, Canada

News Release

Luca Mining Announces Grant of Stock Options and

Restricted Share Units

Vancouver, British Columbia, September 18, 2025 – Luca Mining Corp. (“Luca” or the

“Company”) (TSX-V: LUCA; OTCQX: LUCMF; Frankfurt: Z68) announces that it has granted an

aggregate of 3,200,000 incentive stock options (“Options”) and 875,000 Restricted Share

Units (“RSUs”) to certain officers and directors in accordance with Luca’s omnibus equity

incentive plan. The Options are exercisable at a price of C $1.76 and will expire five years

from the date of their issuance. The Options will vest as follows: (i) 33% on September 18,

2025; (ii) 33% March 18, 2026; and (iii) the balance on September 18, 2026. The RSU’s will

vest on September 18, 2026. In connection with the Options granted to the Directors of the

Company, each Director shall have the option to elect to receive RSUs in lieu of such Options,

at a conversion ratio of 1.5 RSUs for every 3 Options granted . The grant of the Options and

RSUs is subject to approval by the TSX Venture Exchange.

On Behalf of the Board of Directors

(signed) “Dan Barnholden”

Dan Barnholden, Chief Executive Officer

Contact Information:

Sophia Shane

Director of Corporate Development

[email protected]

+1 604 306 6867

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

Cautionary Note Regarding Forward-Looking Statements

It should be noted that Luca declared commercial production at Campo Morado prior to

completing a feasibility study of mineral reserves demonstrating economic and technical

viability. Accordingly, readers should be cautioned that Luca’s production decision has been

made without a comprehensive feasibility study of established reserves such that there is

greater risk and uncertainty as to future economic results from the Campo Morado mine and

a higher technical risk of failure than would be the case if a feasibility study were completed

and relied upon to make a production decision. Luca has completed a preliminary economic

assessment (“PEA”) mining study on the Campo Morado mine that provides a conceptual life

of mine plan and a preliminary economic analysis based on the previously identified mineral

resources (see news releases dated November 8, 2017, and April 4, 2018).

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, disclosure regarding the Financings, the anticipated timing of

closing thereof and the expected use of proceeds therefrom; and other possible events,

conditions or financial performance that are based on assu mptions about future economic

conditions and courses of action; the timing and costs of future activities on the Company’s

properties, such as production rates and increases; success of exploration, development and

bulk sample processing activities, and ti ming for processing at its own mineral processing

facility on the Tahuehueto project 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 all requisite approvals in respect of the

Financings will be received, and all conditions precedent to completion of the Financings will

be satisfied, in a timely manner; the Company will be able to raise additional capital as

necessary; the current exploration, development, environmental and other objectives

concerning the Campo Morado Mine and the Tahuehueto Project can be achieved; the

program to improve mining operations at Campo Morado will proceed as planned; the

continuity of the price of gold and other metals, economic and political conditio ns, and

operations. 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, performanc e or achievements

expressed or implied 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 stat ements. Accordingly, readers

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 relea se to reflect events or circumstances 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.