2014 FINAL DIVIDEND

FOR IMMEDIATE RELEASE, 30 APRIL 2015

FINAL DIVIDEND OF 9.8 US CENTS PER ORDINARY SHARE - DIVIDEND NO. 40 - AMOUNT PAYABLE IN STERLING AND EURO

Further to the preliminary results announcement on 17 March 2015, the Sterling equivalent of the final dividend of 9.8 US cents will be 6.3939 pence per ordinary share, based on an exchange rate of £1 = US$1.5327, and the Euro equivalent will be 8.9213 Euro cents per ordinary share, based on an exchange rate of €1 = US$1.0985.

Payment of the dividend is scheduled for Friday 22 May 2015.

Investors - London Media (Brunswick)

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

Alfredo Atucha aatucha@aminerals.cl

Telephone +56 2 2798 7000