NEWS RELEASE, 24 SEPTEMBER 2015

DIVIDEND NO. 41 - AMOUNT PAYABLE IN STERLING AND EURO

Further to the half yearly results announcement on 25 August 2015, the Sterling equivalent of the interim dividend of 3.1 US cents will be 2.0349 pence per ordinary share, based on an exchange rate of £1 = US$1.5234, and the Euro equivalent will be 2.7808 Euro cents per ordinary share, based on an exchange rate of €1 = US$1.1148.

Payment of the dividend is scheduled for 8 October 2015.

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