Electrifying the Future
Lone Star Update
Oxides
2P Reserves: 4.9 billion lbs
ELECTRIFYING THE FUTURE
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Stacking
rate
(k t/d)
Original Design
2021
120 (1)
FREEPORT
FOREMOST IN COPPER
Low capital
intensity
investment
in additional
mining and
processing
equipment
Sulfides
Mineral Potential: ~50 billion lbs (3)
⚫ Success of oxide development advances
opportunity for scale
Design to incorporate combined leach and
concentrate facilities - similar to Morenci
Next steps
• Ongoing exploration to support metallurgical testing
o Scoping studies/mine planning scenarios.
Incremental
2020 start-up
Expansion
~200 mm
~250 mm
lbs/annum
(2)
~300 mm
(1) Initially at 105k t/d with ramp-up to 120k t/d by 2024e.
(2) Excludes historic Safford leach material which currently approximates 25 mm lbs/annum.
(3) Estimated mineral potential includes exploration targets and mineral resources but will not qualify as mineral reserves until comprehensive engineering studies establish legal and economic feasibility.
Significant additional evaluation is required and no assurance can be given that the potential quantities of metal will be produced. Accordingly, no assurance can be given that estimated mineral potential
not included in mineral reserves will become proven and probable mineral reserves.
e = estimate See Cautionary Statement.
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