Ms. Ann Wilkinson reports

MINEROS S.A. RETURNS CAPITAL TO SHAREHOLDERS WITH SHARE REPURCHASE PROGRAM IN COLOMBIA

Mineros SA is repurchasing 2,986,851 common shares of the company at a price of 16,500 Colombian pesos, which is equivalent to $6.06 per share (2,722.15 Colombian pesos for $1 (Canadian) on May 15, 2026) for a total aggregate value of 49,283,041,500 Colombian pesos ($13.3-million (U.S.) (3,796.87 Colombian pesos for $1 (U.S.)) under the share repurchase offer (an oferta de readquisicion de acciones), carried out through the facilities of the Colombian Stock Exchange (BVC) from May 11, 2026, to May 15, 2026. The price represents a premium of 13.8 per cent compared with the closing price of the company's common shares on the BVC on May 15, 2026. The settlement date for the repurchases will be May 26, 2026.

Shares tendered to the ORA totalled 6,572,905 shares, representing 195 per cent of the maximum amount.

The ORA was conducted pursuant to the share repurchase program approved by the general shareholder assembly of Mineros at its ordinary meeting held on March 27, 2026, which: (i) approved a share repurchase program for an aggregate value of up to $80.0-million (U.S.), to be executed through one or more repurchase offers within a maximum period of three years from March 27, 2026; and (ii) authorized the board of directors to regulate the share repurchase program and define and approve its specific terms and conditions. The completion of this ORA represents the first tranche executed under the share repurchase program.

Following settlement, the number of outstanding common shares of the company will decrease from 295,780,517 to 292,793,666 shares.

About Mineros SA

Mineros is a leading Latin American gold mining company headquartered in Medellin, Colombia. The company operates a diversified portfolio of assets in Colombia and Nicaragua, and maintains a pipeline of development and exploration projects across the region, including La Pepa project in Chile and the exploration project in Tolima near Cajamarca, Colombia.

With more than 50 years of operating history, Mineros maintains a long-standing focus on safety, sustainability and disciplined capital allocation. Its common shares are listed on the Toronto Stock Exchange (MSA) and the Colombian Stock Exchange (MINEROS) and trade on the OTCQX Best Market under the symbol MNSAF.

We seek Safe Harbor.