Question · Q3 2025
Lawson Winder asked if the 2028-2029 copper production guidance of 1.7 billion pounds includes PB1C, or if PB1C represents additional upside. He also inquired about additional measures like cemented tailings or backfill to harden material flow and their potential impact on short-term operating costs. He also asked for clarification on the Q3 idle facility costs and recovery expenses, and what amount should be expected in Q4 and 2026, and if these are excluded from C1 cash guidance.
Answer
Kathleen Quirk (President and CEO) clarified that PB1C accounts for 2-3% of copper and 3-5% of gold in the 2028-2029 production volumes, making it a relatively small component. Mark Johnson (President and COO, Freeport-McMoRan Indonesia) stated that adding additives like cemented tailings to the mud is currently discounted due to access issues, with focus on removal. Kathleen Quirk explained that approximately $450 million in Q4 costs, similar to Q3's $171 million, will be expensed directly as idle facility costs, excluded from C1 cash guidance, and will ramp down in 2026.
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