Question · Q3 2025
Bob Brackett inquired about adjustments to Freeport-McMoRan's mine planning forecast, specifically regarding the sequencing of PB1N and PB4-7 operations, and whether the current plan incorporates new mitigation technologies like hammer drilling for mud zone drainage.
Answer
Kathleen Quirk (President and CEO) and Mark Johnson (President and COO, Freeport-McMoRan Indonesia) clarified that the long-term plan's primary difference is the sequencing of PB1 within PB1C and PB1 North, with other mine portions progressing as previously forecast. Mark Johnson added that hammer drills, capable of 200 meters a day, could be a "game changer" for accessing and draining the mud zone from 400 meters below the pit surface.
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