Bighorn Metals Corp. Issues Clarifying Statement Regarding Third-Party Promotional Articles

Vancouver, British Columbia – September 28, 2026 - TheNewswire – Bighorn Metals Corp. (CSE: HRNY) (the “Company”) is issuing this news release at the request of the British Columbia Securities Commission (“BCSC”). The release responds to recent online promotional activity about the Company and clarifies its public disclosure. The Company has become aware of articles about the Company published on third-party websites, bearing a copyright notice identifying Advertising Services Worldwide Ltd., including: “The Tiny Canadian Stock Sitting in a Multi-Billion Dollar Mining Neighborhood”, published on or about September 25, 2026; and “Why This Canadian Mining Stock Could Deliver The Next Big Gains”, published on or about September 24, 2026 (together, the "Articles"). The Articles make statements about the Company, its Loljuh Property (the “ Property ”) and its securities that are inconsistent with the Company's public disclosure and may mislead investors. The Company did not prepare or endorse the Articles, and investors should not rely on them. The Company has made inquiries of its directors, officers, employees and consultants, including its investor relations provider, Fairfax Partner

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