Remuneration and Talent Management Committee Chair

NEWS RELEASE, 29 NOVEMBER 2018

REMUNERATION AND TALENT MANAGEMENT COMMITTEE CHAIR

Antofagasta plc announces that Francisca Castro, an independent Non-Executive Director since 2016, has been appointed Chair of the Remuneration and Talent Management Committee with effect from 1 May 2019.

Ms. Castro succeeds Tim Baker, who will continue to serve as a member of the Remuneration and Talent Management Committee.

Ms. Castro has been a member of the Remuneration and Talent Management Committee since 1 January 2017.

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Investors - London Media - London

Andrew Lindsay alindsay@antofagasta.co.uk Carole Cable antofagasta@brunswickgroup.com

Telephone +44 20 7808 0983 Telephone +44 20 7404 5959

Andres Vergara avergara@antofagasta.co.uk Will Medvei antofagasta@brunswickgroup.com

Telephone +44 20 7808 0988 Telephone +44 20 7404 5959

Investors - Santiago Media - Santiago

Francisco Veloso fveloso@aminerals.cl Pablo Orozco porozco@aminerals.cl

Telephone +56 2 2798 7000 Carolina Pica cpica@aminerals.cl

Telephone +56 2 2798 7000