Medellin, Colombia – December 10, 2024 – Mineros S.A. (TSX:MSA, MINEROS:CB) (“Mineros” or the “Company”) announces that the acceptance period of the public offer to purchase between 8.50% and 10.63% of the issued and subscribed ordinary shares of Mineros (“Mineros Shares”) made by Sun Valley Investments AG (“Sun Valley”) by way of a public tender offer (Oferta Publica de Acquisition, or “OPA”) through the facilities of the Colombia Stock Exchange (“BVC”) at an offering price of C$0.975 per share, payable in cash in Colombian pesos or U.S. dollars (the “Offer”) ended on December 3, 2024.

According to bulletin No. 209 dated December 4, 2024, issued by the BVC, a total of 17,573,445 Mineros Shares were tendered to the Offer, representing 5.86% of the issued and subscribed Mineros Shares. On December 3, 2024 BVC informed that Sun Valley amended its Offer to reduce the minimum number of Mineros Shares to be purchased to 17,573,445 Mineros Shares. All of the Mineros Shares tendered to the Offer were allocated for purchase by Sun Valley at a price of C$0.975 per share, or approximately C$17,134,109 in the aggregate. Sun Valley confirmed that settlement of the Offer occurred on December 9, 2024.

Immediately prior to the OPA, Sun Valley beneficially owned or exercised control or direction over 74,904,378 Mineros Shares, representing 24.99% of the issued and subscribed Mineros Shares. Upon settlement of the Offer, assuming that there have been no other changes in Sun Valley’s ownership or control of Mineros Shares since the date of the OPA, Sun Valley will beneficially own or exercise control or direction over 92,477,823 Mineros Shares representing approximately 30.85% of the issued and subscribed Mineros Shares.