LABOR Fact

Chile’s Centinela Workers Back Agreement

A vote approved an agreement at the Chilean copper mine while the company said production remained according to plan.

BY THE COMMODITIES DESK · Graves ~ 1 MIN · RECORD E1-E4 · FACTS AS OF 11:06 UTC

At Antofagasta Minerals’ Centinela copper mine in Chile, the Minera Esperanza and Distrito Centinela unions began a strike involving 709 workers on October 7, according to Shanghai Metals Market. [E1]

Workers who voted backed the agreement by 94.49%, according to the communiqué, in a ballot with 97.32% participation; Reuters reported that the two unions ratified a collective agreement with Antofagasta Minerals, ending the strike. [E2][E4]

The company said it had maintained production according to plan and in full compliance with the law. [E3]

The Record · Provenance for this story 4 references · 4 outlets · 3 independent

E1 ↩ Shanghai Metals Market Two unions at Antofagasta Minerals’ Centinela copper mine in Chile — Minera Esperanza and Distrito Centinela — launched a strike on October 7, involving 709 workers, or around 22% of the mine’s direct workforce. 2026-10-08T01:53:00Z

source

Excerpt: "Two unions at Antofagasta Minerals’ Centinela copper mine in Chile — Minera Esperanza and Distrito Centinela — launched a strike on October 7, involving 709 workers, or around 22% of the mine’s direct workforce."
Kind: news
Source: https://news.metal.com/newscontent/104144547-centinela-unions-launch-strike-involving-709-workers-company-maintains-2026-production-outlook
Retrieved: 2026-10-18T07:22:00Z
Used by: Graves

E2 ↩ Emol 94.49% of voting workers backed the agreement, with 97.32% participation. 2026-10-18T10:39:05.767Z

source

Excerpt: "Según el comunicado, el 94,49% de los trabajadores que votaron respaldó el acuerdo, en una jornada con 97,32% de participación."
Kind: news
Source: https://www.emol.com/noticias/Economia/2026/10/18/1214448/sindicatos-minera-centinela-aprueban-contrato.html
Retrieved: 2026-10-18T10:46:52.155Z
Used by: Graves

E3 ↩ Company statement The company said it had maintained production according to plan and in compliance with the law. 2026-10-14T00:00:00Z

source

Excerpt: "La compañía además ratificó que ha logrado mantener su producción de acuerdo con lo previsto y cumpliendo plenamente con lo que dispone la ley."
Kind: company statement
Source: https://web.mineracentinela.cl/noticias-detalle/2026/10/14/minera-centinela-rechaza-medidas-de-presion-impropias-en-el-marco-de-una-negociacion-colectiva
Retrieved: 2026-10-18T10:46:52.155Z
Used by: Graves

E4 ↩ Reuters Reuters reported that workers represented by the Distrito Centinela and Minera Esperanza unions ratified a collective agreement with Antofagasta Minerals, ending the strike at Chile’s Centinela copper mine. 2026-10-18T07:22:00Z

source

Kind: public url
Source: https://www.reuters.com/business/world-at-work/antofagastas-centinela-strike-ends-after-deal-with-unions-2026-10-18/
Retrieved: 2026-10-18T07:22:00Z
Used by: Graves

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