Antofagasta Results Presentation Deck
Centinela Second Concentrator: Processing
Developing a Tier 1 mining district
PROJECT TIMELINE
Updated studies to be submitted to the Board for
consideration by end-2023.
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PROJECT SCOPE
Second concentrator to unlock the potential of Esperanza Sur
and Encuentro deposits, with mine development at Encuentro
to commence half-way through the construction phase of the
second concentrator.
Development of 95ktpd (ore) brownfields expansion.
Expansion of existing raw sea water pumping system.
High density tailings storage facility.
Leveraging understanding developed through operating our
existing concentrator for +10 years.
SUPPORTED BY A +30 YEAR MINE LIFE
Reserves: 1.7 billion tonnes @ 0.41% Cu + Au/Mo.
c.170ktpa Cu equivalent production.
Targeting 1st quartile C1 cash costs (net of by-products).
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Tailings facility
(existing)
Antofagasta plc | 2023 Half Year Results
Concentrator
(existing)
Tailings facility
(proposed)
Concentrator
(proposed)
Oxide Operations
ANTOFAGASTA PLC
Esperanza Pit
Esperanza Sur Pit
Encuentro Pit
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