RNS Number : 0742V

Antofagasta PLC

13 August 2025

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                     rorchard@antofagasta.co.uk              Carole Cable            antofagasta@brunswickgroup.com

Robert Simmons                     rsimmons@antofagasta.co.uk           Telephone                +44 20 7404 5959

Telephone                                +44 20 7808 0988                                  

                                                                                                                   Media - Santiago

                                                                                                                   Pablo Orozco           porozco@aminerals.cl

                                                                                                                   Carolina Pica           cpica@aminerals.cl 

                                                                                                                   Telephone                +56 2 2798 7000

                                                                                           

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