Business
CHANGES TO BOARD COMMITTEES
CHANGES TO BOARD COMMITTEES.

About this update from Antofagasta Plc
CHANGEs TO BOARD COMMITTEEs In accordance with Listing Rule 6.4.6, Antofagasta plc (the "Company") announces that with effect from 1 September 2025, Ignacio Bustamante, an Independent Non-Executive Director since 1 July 2025, will join both the Audit and Risk Committee and the Remuneration and Talent Management Committee. In addition, Francisca Castro, an Independent Non-Executive Director since November 2016, will rotate off the Audit and Risk Committee. From 1 September 2025, composition of the Committees shall be as follows: · Nomination and Governance Committee: Jean-Paul Luksic (Chair), Francisca Castro and Tony Jensen; · Audit and Risk Committee: Tony Jensen (Chair), Heather Lawrence, Tracey Kerr and Ignacio Bustamante; · Remuneration and Talent Management Committee: Francisca Castro (Chair), Michael Anglin, Eugenia Parot, Heather Lawrence and Ignacio Bustamante; · Projects Committee: Michael Anglin (Chair), Ramón Jara, Eugenia Parot and Tony Jensen; and · Sustainability and Stakeholder Management Committee: Eugenia Parot (Chair), Ramón Jara, Juan Claro, Michael Anglin and Tracey Kerr. Investors - London Media - London Rosario Orchard [email protected] Carole Cable [email protected] Robert Simmons [email protected] Telephone +44 20 7404 5959 Telephone +44 20 7808 0988 Media - Santiago Pablo Orozco [email protected] Carolina Pica [email protected] Telephone +56 2 2798 7000 Register on our website to receive our email alerts at the following address: https://www.antofagasta.co.uk/investors/news/email-alerts/