The Centinela strike ended after two unions approved a new collective agreement at Antofagasta’s copper mine in Chile, the operator announced on October 18, 2026. The settlement covers 709 workers and establishes a 36-month agreement, closing a dispute that began on October 7.
Key Takeaways
- The Esperanza and Distrito Centinela unions approved the settlement.
- The agreement includes a 24 million Chilean peso bonus and improvements to pay and benefits.
- Centinela said it maintained operational continuity and delivered results during the strike.
Table of Contents
- Centinela strike settlement covers 22% of direct workforce
- Operational continuity limits the immediate production impact
- Conclusion
Centinela strike settlement covers 22% of direct workforce
The two unions represent 709 employees, equivalent to 22% of Centinela’s directly employed workforce. Their approval brings the labor dispute to a close at the mine, which belongs to Antofagasta Minerals.
Centinela’s announcement of the union-backed settlement sets out a 36-month collective agreement with improvements to remuneration and benefits. The bonus covers the conclusion of bargaining and renewal of work schedules.
The regional labor authority in Antofagasta led voluntary mediation that brought the parties back into discussions. General manager Nicolás Rivera described the outcome as positive for Centinela and its workers, emphasizing dialogue and respect for each union’s autonomy.
| Item | Details |
|---|---|
| Strike began | October 7, 2026 |
| Mediated talks resumed | October 13, 2026 |
| Settlement announced | October 18, 2026 |
Operational continuity limits the immediate production impact
Centinela thanked the teams that maintained operational continuity and results during what it described as ten days of strike action, with safety remaining the priority. That statement distinguishes the risk of disruption from an actual reported production loss.
The settlement removes the immediate labor dispute, but the announcement does not quantify copper output during the stoppage or provide a revised production forecast. It therefore supports a conclusion that operations continued, rather than an estimate of additional copper supply following the agreement.
The operator said it would continue pursuing agreements with individual unions, taking account of shared priorities for safety, performance and employee welfare.
Conclusion
The immediate focus shifts from resolving the strike to implementing the 36-month agreement. The confirmed outcome is a union-approved settlement and continued operations, not a quantified change in copper production.
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