DIRECTOR CHANGE AND CHANGES TO BOARD COMMITTEES

Antofagasta PLC

12 August 2026

 

Director Change and Changes To Board Committees

In accordance with Listing Rule 6.4.6R, Antofagasta plc (the "Company") announces that:

·    With effect from 31 August 2026, Juan Claro, a Non-Executive Director since 2005, will resign from the Board of Directors of the Company (the "Board"). He will therefore step down as a member of the Sustainability and Stakeholder Management Committee with effect from the same date.

·    With effect from 1 September 2026, Ignacio Bustamante, an Independent Non-Executive Director since 1 July 2025, will be appointed Chair of the Remuneration and Talent Management Committee and Francisca Castro (current Chair) will rotate off the Remuneration and Talent Management Committee.

From 1 September 2026, composition of the Committees shall be comprised 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: Ignacio Bustamante (Chair), Michael Anglin, Eugenia Parot and Heather Lawrence;

·    Projects Committee: Michael Anglin (Chair), Ramón Jara, Eugenia Parot, Tony Jensen
and Andrónico Luksic L.; and

·    Sustainability and Stakeholder Management Committee: Eugenia Parot (Chair), Ramón Jara, Michael Anglin, Tracey Kerr and Andrónico Luksic L.

The Company's Chairman, Jean-Paul Luksic, said: "I would like to thank Juan for the tremendous contribution he has made to the Board and the Company over the last twenty years."

Mr. Claro has not and will not receive any loss of office payments, nor will he be paid any further remuneration for his service as a director of the Company, other than that accrued up to 31 August 2026.

Investors - London                                                                                 Media - London

Juan Esteban Dides                [e-mail]                           Sara Powell             [e-mail]

Robert Simmons                    [e-mail]          Ben Brewerton      

Telephone                               [phone]                                Nick Hennis            

                                                                                            Telephone               [phone]

                                                                                                                Media - Santiago

                                                                                                                Pablo Orozco           [e-mail]

                                                                                                                Carolina Pica           [e-mail]

                                                                                                                          Telephone               [phone]

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