ANTOFAGASTA PLC: LOWER NEAR TERM PRICES OFFSET BY LOWER ESTIMATED OPERATING COSTS 12/20/2016
ANTOFAGASTA PLC: LOWER NEAR TERM PRICES OFFSET BY LOWER
ESTIMATED OPERATING COSTS 12/20/2016
ANTOFAGASTA PLC: LOWER NEAR TERM PRICES OFFSET BY LOWER
ESTIMATED OPERATING COSTS 12/20/2016