Memorandum of Understanding Regarding Option to Acquire Garfield Hills Property in Nevada

(TheNewswire)

Vancouver, British Columbia – TheNewswire - November 12, 2025 -Lexston Mining Corporation (the “Company” or “Lexston” ) (CSE:LEXT) (OTCQB: LEXTF) (Frankfurt: W5G) announces the memorandum of understanding regarding an optionto acquire 128 mineral claims located inMineral County, Nevada, USA, known as the Garfield Hills Property (the “Garfield Property” ).

The Company signed the memorandum of understanding with 2730573 Alberta Ltd. , an Alberta corporation, and Imperium Mine SupplyCorp . (a Nevada companyand a subsidiary of 2730573 Alberta Ltd.) with respect to a proposedassignment of the Option To Acquire the GarfieldHills Property Term Sheet between 2730573 Alberta Ltd. and three individual optionors dated August 31,2025 (the “TermSheet” ) and the Definitive OptionAgreement between Imperium Mine Supply Corp. andthree individual optionors effective as of October 22, 2025 (the “OptionAgreement” ).

“The northern and eastern flank of the GarfieldProperty subject to the MOU, is contiguous with the Garfield Propertyowned by Guardian Metals Resources Plc. ( “Guardian” ). Guardian has reported (news release dated November 3, 2025)high-grade gold, silver and copper mineralization on its GarfieldProperty.  Subject to entering into a binding option assignmentagreement, the Company plans on investigating the projected extensionsof all the zones reported by Guardian”, states Jag Bal, CEO of theCompany.

Pursuant to the memorandum of understanding (the “MOU” ), the parties agreed to work towards finalizing and enteringinto a definitive assignment agreement (the “Assignment Agreement” ).  Pursuant to the MOU the Company has until November 30,2025, to complete due diligence with respect to the Garfield Property. If satisfied with the due diligence, the Company will enter into theAssignment Agreement and as consideration for the assignment, will pay$45,000 and will issue 1,600,000 shares to 2730573 Alberta Ltd.  TheCompany will assume the rights and obligations of 2730573 Alberta Ltd.under the Term Sheet and of Imperium Mine SupplyCorp. under the Option Agreement.

To earn 100% interest in the Garfield Property, theOption Agreement requires making cash payments in the amount of$130,000 and issuance of shares valued at $90,000 for the totalconsideration of $220,000 to three optionors as follows:

1) within sixmonths from August 31, 2025, $10,000 payable in cash and $15,000 inshares;

2) within 12 monthsfrom August 31, 2025, $25,000 payable in cash and $20,000 inshares;

3) within 24 monthsfrom August 31, 2025, $40,000 payable in cash and $25,000 in shares;and

4) within 36 monthsfrom August 31, 2025, $55,000 payable in cash and $30,000 inshares.

Pursuant to the Option Agreement, the optionors have aright to receive 1.5% of net smelter returns on all mineral productsproduced from all claims comprising the Garfield Property.  TheCompany will have the right to repurchase 1.0% of the 1.5% net smelterreturns for a one-time payment of $150,000.

The Assignment Agreement will be subject to theacceptance by the Canadian Securities Exchange.

About Lexston MiningCorporation

The Company is a Canadian mineral exploration company,focused on the acquisition and development of mineral projects, withthe objective to enhance value to all its stakeholders.  The Companyhas a mineral exploration project in British Columbia.

The Company (OTCQB: LEXTF) trades on the OTCQB VentureMarket for early stage and developing U.S. and internationalcompanies. Companies are current in their reporting and undergo anannual verification and management certification process. Investorscan find Real-Time quotes and market information for the company on www.otcmarkets.com .

On Behalf of the Board ofDirectors

LEXSTON MINING CORPORATION

Jagdip Bal

Chief Executive Officer

Telephone: (604) 928-8913

Email: [email protected]

The Canadian Securities Exchange hasnot reviewed and does not accept responsibility for the adequacy oraccuracy of the content of this news release.

Forward-lookingstatements

This news release contains"forward-looking information" under applicable Canadiansecurities legislation. Such forward-looking information reflectsmanagement's current beliefs and are based on a number ofestimates and/or assumptions made by and information currentlyavailable to the Company that, while considered reasonable, aresubject to known and unknown risks, uncertainties, and other factorsthat may cause the actual results and future events to differmaterially from those expressed or implied by such forward-lookinginformation. Readers are cautioned that such forward-lookinginformation are neither promises nor guarantees and are subject toknown and unknown risks and uncertainties including, but not limitedto, general business, economic, competitive, political and socialuncertainties, uncertain and volatile equity and capital markets, lackof available capital, actual results of exploration activities,environmental risks, future prices of base and other metals, operatingrisks, accidents, labour issues, objections by aboriginal people,delays in obtaining governmental approvals and permits, obtainingconsents of aboriginal people and other risks in the miningindustry.

These forward-looking statementsinclude but are not limited to the definitive assignment agreementregarding the Garfield Property, quality and mineralization of theGarfield Property,  timing of the exploration program, goals of theexploration program, obtaining financing, obtaining explorationpermits, exploration of properties for minerals, liquidity of thecommon 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 futureperformance. The Company cautions that all forward-looking statementsare inherently uncertain and that actual performance may be affectedby many material factors, many of which are beyond the Company’scontrol.  Such factors include, among other things: risks anduncertainties relating to the acquisition of new properties, liquidityof the common shares of the Company, financings, the market valuingthe Company in a manner not anticipated by management of the Company. Accordingly, actual and future events, conditions and results maydiffer materially from the estimates, beliefs, intentions andexpectations expressed or implied in the forward-looking information.Except as required under applicable securities legislation, theCompany does not undertake to publicly update or reviseforward-looking information.

The Company is presently anexploration stage company. Exploration is highly speculative innature, involves many risks, requires substantial expenditures, andmay not result in the discovery of mineral deposits that can be minedprofitably. Furthermore, the Company currently has no reserves on itsproperties.  Investment in the securities of the Company is risky. As a result, there can be no assurance that such forward-lookingstatements will prove to be accurate, and actual results and futureevents could differ materially from those anticipated in suchstatements.

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