Mineros may repurchase shares in Colombia

Ms. Ann Wilkinson reports MINEROS ANNOUNCES SHARE REPURCHASE OFFER IN COLOMBIA TO COMMENCE SEPTEMBER 1, 2025 Mineros S.A., following a commitment made on July 18, 2025, to update the market, will commence an offer to repurchase its common shares (an oferta de readquisicion de acciones (ORA)) through the facilities of the Colombian Stock Exchange starting on Monday, Sept. 1, 2025, and ending on Sept. 5, 2025. The maximum aggregate value of the common shares to be purchased under the ORA will be $12.0-million. The final number of shares purchased under the ORA will be determined based on the number of common shares tendered to the ORA. In the event that common shares having a value exceeding $12.0-million are tendered to the ORA, common shares will be purchased from the tendering shareholders on a pro rata basis. The ORA is subject to applicable market conditions. Further details regarding the ORA, including the final aggregate value and number of common shares repurchased, will be announced as they become available. The ORA will not be made through the facilities of the Toronto Stock Exchange. Mineros has determined that the ORA is not subject to regulation as an issuer bid under applicable Canadian securities laws. About Mineros S.A. Mineros is a Latin American gold mining company headquartered in Medellin, Colombia. The company has a diversified asset base, with mines in Colombia and Nicaragua, and a pipeline of development and exploration projects throughout the region, including the La Pepa project in Chile. The board of directors and management of Mineros have extensive experience in mining, corporate development, finance and sustainability. Mineros has a long record of maximizing shareholder value and delivering solid annual dividends. For almost 50 years, Mineros has operated with a focus on safety and sustainability at all its operations. Mineros's common shares are listed on the Toronto Stock Exchange under the symbol MSA and on the Colombia Stock Exchange under the symbol MINEROS. Election of directors -- electoral quotient system The company has been granted an exemption from the individual voting and majority voting requirements applicable to listed issuers under TSX policies, on grounds that compliance with such requirements would constitute a breach of Colombian laws and regulations, which require the directors to be elected on the basis of a slate of nominees proposed for election pursuant to an electoral quotient system. For further information, please see the company's most recent annual information form, available on the company's website and from SEDAR+. We seek Safe Harbor.