Mr. Camilo Alvarez of Sun Valley reports

SUN VALLEY INVESTMENTS AG ANNOUNCES THE SUCCESSFUL COMPLETION OF THE OFFER TO PURCHASE SHARES OF MINEROS S.A.

Sun Valley Investments AG's previously announced public offer to purchase common shares of Mineros SA by way of an oferta publica de adquisicion through the facilities of the Colombia Securities Exchange at a price per common share equal to 5,500 Colombian pesos, equivalent to approximately $1.88 as of July 14, 2025, payable in cash, was completed on the closing date.

Sun Valley acquired a total of 23,851,918 common shares pursuant to the OPA for total aggregate consideration of 131,185,549,000 Colombian pesos, equivalent to approximately $44,864,350 as of the closing date.

Immediately prior to the OPA, Sun Valley beneficially owned and exercised control over 172,122,705 common shares, valued at $444,076,579 on closing date, representing 57.42 per cent of the issued and outstanding common shares. Following the completion of the OPA, Sun Valley beneficially owns and exercises control over 195,974,623 common shares, valued at $505,614,527, representing approximately 65.38 per cent of the issued and outstanding common shares as of the closing date.

Sun Valley acquired the OPA shares, will hold its common shares for investment purposes, will evaluate its investment in Mineros on a continuing basis, and may increase or decrease its holdings in Mineros and otherwise engage with the company in the future, subject to market conditions and other relevant factors. Sun Valley relied on the foreign takeover bid exemption set out in Section 4.4 of National Instrument 62-104 (Take-Over Bids and Issuer Bids) in connection with the OPA.

This news release is issued pursuant to National Instrument 62-103 (the Early Warning Systems and Related Take-Over Bids and Insider Reporting Issues), which also requires a report to be filed with regulatory authorities in each of the jurisdictions in which the company is a reporting issuer containing information with respect to the foregoing matters. The early warning report will be filed and made available under the SEDAR+ profile of Mineros.

Sun Valley is a corporation existing under the laws of Switzerland.

Dentons Cardenas & Cardenas Abogados SAS (Colombia) and Dentons Canada LLP acted as legal advisers to Sun Valley in connection with the offer.

About Sun Valley Investments AG

Sun Valley is a private investment firm focused on the metal and mining industry with portfolio companies and branch offices in the Americas, Europe and Asia. Sun Valley's senior leadership team has several decades of experience in mining and investment companies, and combines investment skills across diverse asset classes with hands-on experience at both senior and junior companies in the precious metal mining and refining industry. The firm finances the entire precious metal supply chain: mineral exploration, mine construction, production, processing and refining.

For further information relating to Sun Valley or to obtain a copy of the early warning report, please contact Camilo Alvarez at calvarez@sunvalleyinv.com or 1-281-994-7031.