Sorowako

Flagship open-pit lateritic nickel mining complex in the Sorowako Block (70,566 ha concession area), East Luwu Regency, South Sulawesi. The block supplies saprolite ore via screening to the Sorowako pyrometallurgical smelter for nickel matte production (commercial production commenced 1978). Three on-site hydroelectric power plants (Larona 165 MW, Balambano 110 MW, Karebbe 90 MW) supply mine + smelter. Furnace 3 rebuild project commenced Q4 2025 with mechanical completion targeted May 2026. The Sorowako Outer Area (SOA) supporting deposits (Larona, Tanamerah, Lantoa) feed Sorowako operations while project-stage SOA areas (Lemo-lemo, Loeha, Lingkona) are still being evaluated. Reserves and resources reported under KCMI / SK-1300 standards on a 100% basis as at 31 December 2025; mining dilution included on Measured / Indicated where Sorowako-feeding.