Antofagasta Results Presentation Deck
Addressing Climate Change: Water
Focused on responsible water sourcing
LOS PELAMBRES: JOURNEY UNDERWAY TO 90% SEA WATER OR
RECIRCULATED WATER
Construction of Los Pelambres' Phase 1 (400l/s) desalination plant
completed and ramp up underway.
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Average of 1601/s of desalinated water delivered to Los Pelambres
in June 2023, helping to ramp-up water availability and reduce
continental water extraction rates.
Group target of 90% of water usage from sea water or recirculated
water following the second phase expansion of the desalination
plant to 800 l/s.
Agreement about Los Pelambres water distribution arrangements
reached with local communities in H1 2023.
NORTHERN OPERATIONS: PIVOTING TO 100% SEA WATER
Centinela and Antucoya: Currently operating with raw sea water.
Application submitted in June 2023 to convert Zaldivar operation to
either sea water or water from third parties, after a transition
period involving an extension of the current continental water
permit expiring to 2028 (from 2025).
WATER WITHDRAWALS (GL)
1
36.8
28.9
2018
32.6
Antofagasta plc | 2023 Half Year Results
28.2
2019
Continental water
Sea water
Note: Target includes recirculated water.
38.9
29.0
2020
37.7
31.3
2021
ANTOFAGASTA PLC
39.7
33.1
2022
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