KGHM mine in Chile reaches early contract agreement with unions
The Sierra Gorda mine in Chile. (Image courtesy of KGHM)
Chile’s Sierra Gorda copper mine, owned by Polish group KGHM, reached an early contract agreement with three unions, the mine said Thursday in a statement.
The agreements, which will remain in effect until 2029, apply to more than 1,600 employees across two labor unions and a supervisor’s union.
Sierra Gorda, a joint venture with Australian miner South32 that produced 165,313 tons of copper in 2025, did not disclose the financial details of the new contracts.
KGHM, one of the world’s largest copper and silver producers, has operated Sierra Gorda for eleven years, with no strikes recorded throughout that period, the statement added.
(By Fabian Cambero and Aida Pelaez-Fernandez; Editing by Lucinda Elliott)
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