(via TheNewswire)

Vancouver, British Columbia – September 16, 2026 - TheNewswire – Bighorn Metals Corp. (CSE: HRNY) (the “Company”) announces that its board of directors has approved a subdivision of the Company's issued and outstanding common shares on a two-for-one basis (the "Stock Split"), subject to any shareholder approval required under the Company's articles or applicable law. Each shareholder will receive one additional common share for each common share held. The Company believes that the Stock Split may enhance the liquidity and marketability of its common shares and make them more accessible to a broader range of investors. However, there can be no assurance that the Stock Split will achieve these objectives.

The record date for the Stock Split will be September 23, 2026 (the "Record Date"). The common shares are expected to commence trading on the Canadian Securities Exchange (the "CSE") on a split-adjusted basis at the opening of trading on the Record Date. Shareholders of record as of the close of trading on the Record Date will be entitled to receive the additional common shares. The Stock Split remains subject to acceptance by the CSE.

The Company currently has 22,713,635 common shares issued and outstanding. Following completion of the Stock Split, the Company will have 45,427,270 common shares issued and outstanding.

The number of common shares issuable upon exercise of the Company's outstanding warrants and stock options, and the applicable exercise prices, will be proportionately adjusted to reflect the Stock Split in accordance with their respective terms and applicable CSE requirements.

The Stock Split will be completed using the "push-out" method. Shareholders are not required to surrender their existing share certificates or take any other action. The Company's transfer agent, Endeavor Trust Corporation, will distribute DRS advices representing the additional common shares to registered shareholders. Beneficial shareholders who hold their common shares through an intermediary will have their accounts updated by their intermediary. The Company expects its CUSIP number and ISIN to remain unchanged, subject to confirmation from the applicable clearing agencies.

The Company also announces that it has engaged the services of DS Market Solutions Inc. (“DS Market”) to provide equity trading advisory and liquidity provider services in accordance with the policies of the Canadian Securities Exchange (“CSE”). DS Market will trade common shares of the Company on the CSE and other trading venues with the objective of maintaining a reasonable market and improving the liquidity of the Company’s common shares.

Under the terms of the engagement, DS Market will receive compensation of CAD$6,000 per month, payable monthly in advance. The engagement is effective September 4, 2026, on a month-to-month basis and may be terminated by either party upon thirty (30) days’ notice. There are no performance factors contained in the engagement and DS Market will not receive shares or options as compensation. DS Market and the Company are unrelated and unaffiliated entities, and at the time of the engagement, neither DS Market nor its principals have any interest, directly or indirectly, in the securities of the Company.

The Company and DS Market are unrelated and unaffiliated entities and DS Market has no interest, directly or indirectly in the Company or its securities. DS Market will not receive shares or options as compensation, nor have they indicated any immediate intent to acquire shares of the Company through the open market or otherwise. The capital used for market making will be provided by DS Market.

On September 8, 2026, the Company terminated the previously announced market maker agreement with Independent Trading Group, with 30 days’ notice, in accordance with the agreement.

About DS Market Solutions Inc.

DS Market is an equity trading advisor to issuers looking to enhance liquidity in their publicly traded securities. DS Market was incorporated in Mississauga, Ontario in April 2024 and the offices of DS Market are located in Mississauga, Ontario. Mr. David Sears is the sole owner of DS Market and will be providing the services on behalf of DS Market. DS Market's contact is davidsears@dsmarketsolutions.com .

About Bighorn Metals Corp.

The Company is an exploration-stage natural resource company engaged in the evaluation, acquisition, and exploration of mineral properties, with a view to advancing prospective mineral properties through exploration and evaluation.

The Company holds an option to acquire the Loljuh Property (the “Property”), which is located in the Omineca Mining Division of British Columbia.  The Property consists of one claim covering a surface area of 1,656.73 hectares in the Omineca Mining Division of central British Columbia, Canada, 40 km south of the community of Smithers or 32 km west of the community of Houston. The Property is prospective for porphyry copper-gold mineralization.  

Geochemical work conducted in 2019 outlined several areas of anomalous gold and copper in soil.  These surveys were widespread with lines 400 meters apart and samples taken on 200-meter centers. Rock sampling in 2019 also returned anomalous values of copper and gold from several sites within the plateau area.  The aeromagnetic survey outlined several areas of alteration.

On behalf of the Board of Directors of:

BIGHORN METALS CORP.

“Reno J. Calabrigo”

Reno J. Calabrigo

Chief Executive Officer

Phone: 1-877 913-1912

This news release contains “forward-looking information” within the meaning of applicable Canadian securities legislation. Forward-looking information in this news release includes statements regarding the completion and timing of the Stock Split; receipt of CSE acceptance; the commencement of trading on a split-adjusted basis; the anticipated number of common shares to be issued and outstanding following the Stock Split; the proportionate adjustment of the Company’s outstanding warrants and stock options and their applicable exercise prices; the distribution of DRS advices; the Company’s CUSIP number and ISIN remaining unchanged; the anticipated benefits and objectives of the Stock Split; the provision of services by DS Market; and the potential for DS Market’s activities to maintain a reasonable market for, and improve the liquidity of, the Company’s common shares.

Forward-looking information is based on assumptions considered reasonable by management as of the date of this news release, including that all required corporate and regulatory approvals will be obtained; the CSE, the Company’s transfer agent and applicable clearing agencies will complete the required procedures within the anticipated timeframes; the Company’s issued and outstanding share capital will not change before completion of the Stock Split; the outstanding warrants and stock options will be adjusted in accordance with their governing terms; and DS Market will perform its services in accordance with the engagement and applicable CSE requirements. Forward-looking information is subject to known and unknown risks, uncertainties and other factors that may cause actual results or events to differ materially from those anticipated, including delays in or failure to obtain CSE acceptance, changes to the timing or terms of the Stock Split, delays in completing transfer-agent or clearing procedures, changes in market conditions, and the possibility that the Stock Split or DS Market’s activities will not result in increased trading activity or improved liquidity. Readers should not place undue reliance on forward-looking information. The Company undertakes no obligation to update forward-looking information except as required by applicable law. Additional information concerning the Company is available under its profile on SEDAR+ at www.sedarplus.ca

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