Antofagasta Plc · LSE:ANTO

Antofagasta — Technical Presentation (December 2016)

27 slides from Antofagasta's technical presentation, Dec 8, 2016

  1. Slide 1: Antucoya - Site Visit

    Antucoya - Site Visit December 8th 2016 Ramon Jorquera General Manager

  2. 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

  3. 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

  4. Slide 4: Agenda

    Agenda Operational Overview Sustainability Review 4

  5. Slide 5: Safety First: Mining Group Approach

    Safety First: Mining Group Approach Safety Performance Focus on: o Identify and assess fatality and serious injury risks. 1,05 1,00 o Preventative reporting and 0,95 0,94 investigation of high- 1 potential near misses. 0 0 0 o On-the-ground executive 2013 2014 2015 Q3 2016 YTD (1) safety leadership.

  6. Slide 6: Overview

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  7. Slide 7: Antucoya overview

    Antucoya overview • Ownership structure Antucoya  70% Antofagasta  30% Marubeni Corporation Cu • History C1  Construction completed in 2015 Cathode  Commercial production started in April 2016 Santiago • Location YTD Q3 016 YTD Q3 2016  125km north-east of Antofagasta Production (t) (c/lb) • Fa

  8. Slide 8: Team

    Team General Manager Ramón Jorquera HR Manager Finance Manager Carlos Spano Leonor Poduje Operations Op. Projects Safety and Occ. P&D Manager Manager Manager Health Manager Felipe Rojas Mario Martínez Andrés Guzmán Marco Tamburini Mine Manager Plant Manager Richard Durán Freddy Aroca Denotes presenc

  9. Slide 9: Location and Map

    Location and Map ANTUCOYA MICHILLA PORT CENTINELA Santiago + MEJILLONES … Shared Pipeline ANTOFAGASTA … Antucoya Pipeline 9

  10. Slide 10: Site Map

    Site Map 1st stop: Mine lookout 4th stop: Ponds (lookout) 2nd stop: Crushing plant 3rd stop: Leaching Pads 5th stop: SX/EW plant Start/End: Camp 10

  11. Slide 11: Antucoya – On track to deliver value

    Antucoya – On track to deliver value Steady state production in 2017 • Commercial production started in April 2016 • Full fine copper production achieved in August 2016 • Ramp-up will be completed by end of 2016 • Optimization in 2017 to achieve stable full throughput capacity Focused on costs • In

  12. Slide 12: Reserves and Resources

    Reserves and Resources Reserves: Tonnage Antucoya Copper (millions of tonnes) Proved 374 0.36% Probable 313 0.31% Total(1) 687 0.34% Resources: Tonnage Antucoya Copper (millions of tonnes) Measured + 900 0.32% Indicated Inferred 355 0.27% Total(1) 1,255 0.31% As of December 31st, 2015 12

  13. Slide 13: Operational Review

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  14. Slide 14: Production Process

    Production Process Mine Primary Crushing Secondary Crushing Tertiary Crushing Acid Water Tailings Reclaiming Leaching Stacking Agglomeration ILS PLS Electrowinning Acid Solvent Extraction Water Raffinate

  15. Slide 15: Fleet and mining equipment

    Fleet and mining equipment Type Brand - Model No of Units Drilling • Production Drill • Caterpillar MD6420 • 2 units • Pre-Cut Drill • Atlas Copco D65 • 1 unit Loading • Electric shovels • P&H 4100XPC • 2 units • Front-end loaders • Front loader L2350 • 1 unit Haulage • 10 units by end of • Trucks •

  16. Slide 16: Mine Plan – Phase 01

    Mine Plan – Phase 01 Botadero Chancador Norte Stock Alto NO3 Stock Factibilidad Botadero Sur 16

  17. Slide 17: Mine Plan – Phase 02

    Mine Plan – Phase 02 Botadero Norte Chancador Stock Alto NO3 Stock Factibilidad Botadero Sur 17

  18. Slide 18: Mine Plan – Phase 03

    Mine Plan – Phase 03 Botadero Norte Chancador Stock Alto NO3 Stock Factibilidad Botadero Sur 18

  19. Slide 19: Mine Plan – Phase 04

    Mine Plan – Phase 04 Botadero Chancador Norte Stock Factibilidad Botadero Sur 19

  20. Slide 20: Mine Plan – Phase 05

    Mine Plan – Phase 05 Botadero Norte Chancador Stock Factibilidad Botadero Sur 20

  21. Slide 21: Mine Plan – Phase 06

    Mine Plan – Phase 06 Botadero Norte Chancador Stock Factibilidad Botadero Sur 21

  22. Slide 22: Port, Water & Energy

    Port , Water & Energy Water facilities • The use of sea water allows Antucoya to have a safe supply in a region with very limited water availability • The shared pipeline between Antucoya and Centinela is a major synergy • The Leaching/SX/EW cycle is a water-efficient process, only requiring repleni

  23. Slide 23: Sustainability

    A, a NTORACASTA PLC MD jy ANTUCOYA ~ 3ASTA MINERA MINERA Sustainability 23

  24. Slide 24: Sustainability - Communities

    Sustainability - Communities A solid strategy for community engagement • Communication and transparency – we keep an open communication channel • Dialogue and participation – we identify and work with all stakeholders (public sector, organizations, private sector, other) • Local presence – activitie

  25. Slide 25: Sustainability - Environment

    Sustainability - Environment Environmentally sustainable • 100% compliance with commitments related to the construction phase (RCA 101 - Antucoya project; RCA 128 - Electrical transmission line). Audited in 2015 • 100% compliance with the environmental commitments related to operating phase as of No

  26. Slide 26: Closing Remarks

    Closing Remarks • Antucoya completed and operating at full cathode production capacity • Cost optimisation is key for this type of deposit, provides a learning platform for the future • Project Finance completion test scheduled for second half of 2017, in line with program • Metallurgical performanc

  27. Slide 27: Antucoya - Site Visit

    Antucoya - Site Visit December 8th 2016 Ramon Jorquera General Manager

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