Secondary placing in Atalaya Mining Copper SA

Please see the important notice at the end of this announcement.

Proposed secondary placing of ordinary shares in Atalaya Mining Copper, S.A.

11th August 2026

Urion Investments Holdings Limited ("Trafigura" or the "Seller"), a member of the Trafigura group, announces its intention to sell approximately 16.8 million ordinary shares with a nominal value of €0.09 each (the "Placing Shares") in Atalaya Mining Copper, S.A. ("Atalaya Mining" or the "Company"). As of 10th August 2026 (being the latest practicable date prior to this announcement), the Placing Shares represent approximately 10.9% of the Company's issued share capital.

The Placing Shares are being offered by way of an accelerated bookbuild (the "Placing"), which will be launched immediately following this announcement. J.P. Morgan SE ("J.P. Morgan") is acting as Sole Global Coordinator and Joint Bookrunner in connection with the Placing. BMO Capital Markets Limited ("BMO") is acting as Joint Bookrunner in connection with the Placing (J.P. Morgan and BMO together the "Banks").

Following completion of the Placing, Trafigura is expected to have exited its shareholding in Atalaya Mining in full.

The final number of Placing Shares to be placed and the price at which the Placing Shares are to be placed will be agreed by the Banks alongside the Seller at the close of the bookbuild process. A further announcement will be made following completion of the bookbuild and pricing of the Placing.

The timings for the close of the bookbuild process are at the absolute discretion of the Banks. The Placing is subject to demand, price and market conditions.

Atalaya Mining will not receive any proceeds from the Placing.