Slide 1: Zaldívar
Zaldívar December 5th 2016 Leonardo González General Manager
Slide 2: Cautionary statement
Cautionary statement This presentation has been prepared by Antofagasta plc. By reviewing and/or attending this presentation you agree to the following conditions: This presentation contains forward-looking statements. All statements other than historical facts are forward-looking statements. Exampl
Slide 3: Key Messages
Key Messages Focus on Creating long Emphasis on cost and Positioned term value Leaders in profitable operational for growth through innovation tonnes reliability Sustainability • Only profitable • Rebase costs • Advance • New • History of production • Protect margins organic growth community innovat
Slide 4: Agenda
Agenda Operational Growth Overview Sustainability Review Opportunities 4
Slide 5: Safety First: Safety Performance
Safety First Safety Performance • Committed to zero fatalities target • Implement Antofagasta’s fatal risks model 1.7 (Critical Control Management) • Implement Safety Management Model for contractors 1.4 0 0 • Improve the effectiveness of risk controls 2015 Q3 YTD 2016 (1) Fatalities LTIFR 1. Lost T
Slide 6: Overview
A ag ANTOFAGASTA PLC Overview
Slide 7: Zaldívar Overview
Zaldívar Overview • Ownership structure • 50% Antofagasta • 50% Barrick Gold Corporation Cu Zaldívar • History C1 • Over 20 years of production Cathode • Location Santiago • 196 km southeast of the city of Antofagasta YTD Q3 016 YTD Q3 2016 • Facilities overview Production (t) (c/lb) • SX/EW Plant c
Slide 8: Team
Team Denotes presence at presentation 8
Slide 9: Key Attributes
Key Attributes Highly attractive copper producer in Chile • World-class copper mine near to an established deep-water port • Large scale copper cathode producer with competitive costs • Mining-friendly jurisdiction; excellent reputation with government and regulators Stable, low cost producer with l
Slide 10: Reserves and Resources
Reserves and Resources Tonnage Zaldívar Copper (%) (millions of tonnes) Measured 436 0.528 Indicated 111 0.505 Inferred 6 0.609 Total(1) 554 0.524 1. As of 31 December 2015. Includes 427 Mt of reserves and 127 Mt of resources 10
Slide 11: Operational Review
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Slide 12: Map
Map Secondary Leach Pad SX-EW Plant Tailings Dynamic Leach Pad Dump Leach Waste Dumps Pit 12
Slide 13: Production Process
Production Process Ar ANTOFAGASTA PLC _ Primary and secondary crushin: 4 ar ry crushing eg <_____ 3 = .-. Tertiary crusher 2 Flotation SY Won nes | Thickener } | —_ | — y f Thickener Leach pad 1 - = etl -— Pa ry mergency stockpile Trailing dump Thickener __ = a Substation e —s, SSS — 2 =. - ee aac S
Slide 14: Fleet and Mining Equipment
Fleet and Mining Equipment Type Brand – Model No of Units Drilling • Diesel drill • Atlas Copco – PV 271 2 (one external) • Electric drill • Drilltech – DK-90 1 • Pre-split drill • Atlas Copco – Roc-L8 2 Loading • Electric shovels • P&H – 4100 3 • Front-end loaders • Marathon – L1850 2 • Excavator •
Slide 15: Plant
Plant • Crusher throughput capacity: 61 Ktpd • Copper cathode produced in three stages: 1. Crushing and stacking of ore on heap leach pad, 2. Heap leaching to remove copper from the ore into solution; and 3. Solvent-extraction & Electro-winning • Heap leach cycle is approximately 330 days • Run-of-m
Slide 16: Water and Power
Water and Power Water: • Operation is supplied with ground water from Negrillar, 120 kilometers east of Zaldívar. • Zaldívar owns water rights granted by the local water authority (DGA). The current Environmental Impact Assessment estimates that Zaldívar water consumption will be ~200 liters per sec
Slide 17: Sustainability
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Slide 18: Environmental Track Record
Environmental Track Record • Zaldívar operates in an environmentally responsible manner and is committed to mitigating its environmental impact. • 2016 There 2018 the process 2019 are programs that continuously monitor 2020+ and surrounding areas, including leak detection wells, to detect any potent
Slide 19: Community Relations
Community Relations Established Community Relations Program 2016 • Local supplier training and development program, focusing on vulnerable people • Micro-enterprise and business start-up training • Youth sports training. Tennis program for disabled people (Teletón) • Scholarships support strong comm
Slide 20: Growth opportunities
ry) \ ANTOFAGASTA PLC Growth opportunities
Slide 21: Growth and Opportunities
Growth and Opportunities Project 1 – Crusher Fines Leaching • Treatment of fine ore from old and new tailings from the flotation plant. Project 2 – Leach Recovery Optimisation • Increase the recovery in the secondary sulphide ore with the addition of ferric, chloride and heated air. Long Term Opport
Slide 22: Key Messages
Key Messages • History of good labor relations with own employees and contractors 2016 now successfully completed • Integration 2018 2019 2020+ • Cost Reduction Program - benefits from Antofagasta prices and synergies • Continue to improve metallurgical recoveries • Task force created to evaluate po
Slide 23: Zaldívar
Zaldívar December 5th 2016 Leonardo González General Manager