Sibanye reaches East Boulder wage agreement; separate US strike continues

Published: Oct 01, 2026 16:45 (GMT+8)

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[SMM PGM Flash] Sibanye-Stillwater announced on 30 September that workers at its East Boulder platinum and palladium mine in Montana had ratified a collective agreement with the United Steelworkers. The deal runs retroactively from 1 August 2026 to 31 July 2029, with a 4.5% wage increase in year one, the greater of 3.5% or CPI in year two and the greater of 3.0% or CPI in year three. Strike action at the separate Stillwater East mine and Columbus metallurgical facility continues, the company said.

The East Boulder settlement fixes part of the labour-cost path for Sibanye’s US PGM business and supports its planned shift towards more mechanised mining and team-based incentives. It does not resolve the other strike or demonstrate a recovery in output; the company disclosed no revised production guidance in this release.

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