NEWS RELEASE, 18 AUGUST 2015

CHANGE TO SUSTAINABILITY AND STAKEHOLDER MANAGEMENT COMMITTEE

Antofagasta plc announces that Tim Baker joined the Sustainability and Stakeholder Management Committee with effect from today.

Investors - London                                                                                 Public Relations Advisors - London

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

Paresh Bhanderi                   pbhanderi@antofagasta.co.uk       Robin Wrench           antofagasta@brunswickgroup.com

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

Investors - Santiago                                                                               Media - Santiago

Alfredo Atucha                        aatucha@aminerals.cl                           Pablo Orozco              porozco@aminerals.cl

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

                                                                                                                Telephone                  +56 2 2798 7000