NEWS RELEASE, 16 JANUARY 2019

DIRECTOR CHANGE

Antofagasta plc (the "Company") announces that William Hayes, a Non-Executive Director of the Company since 2006, will not offer himself for re-election as a Director at the Company's annual general meeting to be held on 22 May 2019. He will therefore step down as a Director of the Company and member of the Sustainability and Stakeholder Management Committee at the conclusion of that meeting.

Mr. Hayes will continue to serve as a director and chairman of the Company's joint venture with Barrick Gold Corporation, Tethyan Copper Company Pty Limited, and will continue to receive fees from the Company for that role.

Antofagasta Chairman Jean Paul Luksic said; "I would like to thank Bill for the significant contribution he has made to the Board and the Company as a Director, former Senior Independent Director and Audit and Risk Committee Chairman and for the wise counsel he has contributed to the Board over many years."

Mr. Hayes 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 22 May 2019.