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LEXT.CN ·

Advisory Board and Stock Option Grant

Management Changes Share Capital & Compensation

929 Mainland Street

Vancouver, BC V6B 1S3

Phone

Email

Website

(604) 928-8913

[email protected]

www.lexston.ca

News Release

Lexston Announces Appointment of Buddy Doyle to Advisory Board

and Stock Option Grant

Vancouver, British Columbia, December 17, 2025 – Lexston Mining Corporation (“Lexston” or “the

Company”) (CSE: LEXT) (OTCQB: LEXTF) (Deutsche Börse Frankfurt: L75) is pleased to announce the

appointment of Buddy Doyle to its newly established Advisory Board. Mr. Doyle brings with him 40 years

of experience in mineral exploration. His career includes over 23 years at Rio Tinto PLC, where he most

recently served as Exploration Vice President of Kennecott Canada Exploration Inc., overseeing diamond

exploration activities across North America.

Mr. Doyle played a significant role in the Kennecott Exploration Australia team responsible for the

discovery of the multi-million ounce Minifie gold deposits at Lihir during 1987-1988. He also led the team

that discovered the Diavik diamond deposits in 1994-1995. Notably, few geologists have witnessed two

projects progress from discovery all the way through to a decision to mine. Mr. Doyle is recognized within

the mineral exploration industry as an expert in diamond exploration and kimberlite geology, and he has

authored or co-authored numerous papers on these subjects. In 2007, he received the Hugo Dummitt

Award for excellence in diamond exploration.

Since departing from Rio Tinto, Mr. Doyle has continued his involvement in the diamond sector through

consulting and directorships. As CEO of Amarillo Gold from 2004 to 2017, he oversaw a near-production

gold project in Brazil. He was also a founder and director of Western Potash from 2007 to 2017,

contributing to the discovery and development of the now-operational Milestone Potash Project in

Saskatchewan. Additionally, Mr. Doyle is a Fellow of AusIMM, a professional association.

Jag Bal, CEO of Lexston Mining Corporation, commented “the company has created an Advisory Board for

talented and accomplished individuals in the mining industry. We are very pleased to have Buddy Doyle

be our first member of the board. He is very accomplished in exploration and we look forward to his input

in our exploration portfolio.”

Stock Option Grant

The Company announces that it has granted incentive stock options to certain directors, officers, and

consultants to purchase up to an aggregate of 400,000 common shares in the Company pursuant to the

Company’s share option plan. The options are exercisable for a period of five years at a price of $0.115 per

share. The options, and any underlying common shares issued on exercise thereof, will have a hold period

expiring April 15, 2026, in accordance with the policies of the Canadian Securities Exchange and applicable

securities laws.

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About Lexston Mining Corporation

Lexston Mining Corporation is a Canadian mineral exploration company focused on acquiring and

developing mineral projects with the aim of enhancing value for all stakeholders. The Company currently

has mineral exploration projects located in British Columbia and Nevada.

Lexston (OTCQB: LEXTF) trades on the OTCQB Venture Market, which serves early-stage and developing

U.S. and international companies. Companies on this market are current in their reporting and undergo

annual verification and management certification processes. Investors can access real-time quotes and

market information for Lexston at www.otcmarkets.com.

On behalf of the Board of Directors

LEXSTON MINING CORPORATION

Jagdip Bal

Chief Executive Officer

Telephone: (604) 928-8913

Email: [email protected]

The Canadian Securities Exchange has not reviewed and does not accept responsibility for the adequacy

or accuracy of the content of this news release.

Forward-looking statements

This news release contains "forward-looking information" under applicable Canadian securities legislation.

Such forward-looking information reflects management's current beliefs and are based on a number of

estimates and/or assumptions made by and information currently available to the Company that, while

considered reasonable, are subject to known and unknown risks, uncertainties, and other factors that may

cause the actual results and future events to differ materially from those expressed or implied by such

forward-looking information. Readers are cautioned that such forward-looking information are neither

promises nor guarantees and are subject to known and unknown risks and uncertainties including, but not

limited to, general business, economic, competitive, political and social uncertainties, uncertain and

volatile equity and capital markets, lack of available capital, actual results of exploration activities,

environmental risks, future prices of base and other metals, operating risks, accidents, labour issues,

objections by aboriginal people, delays in obtaining governmental approvals and permits, obtaining

consents of aboriginal people and other risks in the mining industry.

These forward-looking statements include but are not limited to the Advisory Board, timing of the

exploration program, goals of the exploration program, obtaining financing, obtaining exploration

permits, exploration of properties for minerals, liquidity of the common shares of the Company and future

financings of the Company. These statements reflect management's current estimates, beliefs, intentions,

and expectations. They are not guarantees of future performance. The Company cautions that all forward-

looking statements are inherently uncertain and that actual performance may be affected by many

material factors, many of which are beyond the Company’s control. Such factors include, among other

things: risks and uncertainties relating to the acquisition of new properties, liquidity of the common shares

of the Company, financings, the market valuing the Company in a manner not anticipated by management

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of the Company. Accordingly, actual and future events, conditions and results may differ materially from

the estimates, beliefs, intentions and expectations expressed or implied in the forward-looking

information. Except as required under applicable securities legislation, the Company does not undertake

to publicly update or revise forward-looking information.

The Company is presently an exploration stage company. Exploration is highly speculative in nature,

involves many risks, requires substantial expenditures, and may not result in the discovery of mineral

deposits that can be mined profitably. Furthermore, the Company currently has no reserves on its

properties. Investment in the securities of the Company is risky. As a result, there can be no assurance

that such forward-looking statements will prove to be accurate, and actual results and future events could

differ materially from those anticipated in such statements.