Antofagasta Stock News

Workers from two unions at Chile's Centinela copper mine have ratified an agreement reached with Antofagasta Minerals on a new collective bargaining contract, ending ​a strike of more than a week, the unions ​and the company said on Sunday.

Workers from two striking unions at Antofagasta's Centinela copper mine in Chile reached a ​preliminary agreement on a new collective contract, ending a ‌strike that has lasted more than a week at the mine, the unions said late on Friday in a statement sent to its ​members.

No breakthrough in talks at Antofagasta's striking Centinela copper mine, unions say

Antofagasta PLC (LSE:ANTO) shares fell as much as 7% to an intraday low of 3,312p on Thursday after third-quarter copper production missed Peel Hunt's expectations and the miner issued softer-than-expected output guidance for 2027. The FTSE 100 copper producer reported quarterly output of 151,900 tonnes, up 7% from the second quarter but below Peel Hunt's estimate of 158,000 tonnes.

Antofagasta PLC (LSE:ANTO) reported a 7% quarter-on-quarter increase in copper production to 151,900 tonnes in the third quarter, driven by stronger output from Los Pelambres following disruption from severe weather in July. The FTSE 100 copper miner maintained its 2026 production guidance of 625,000 to 655,000 tonnes and introduced 2027 guidance of 630,000 to 690,000 tonnes, reflecting higher ...

Output rose 7%, driven by higher production at its Los Pelambres mine in Chile.

The two main unions at Antofagasta Minerals' Centinela copper mine in Chile said on ​Tuesday they are ready to strike, but ‌hope one can be averted if the company agrees to a deal during mandatory government-mediated talks.

Workers from two unions ‌at Antofagasta Minerals' Centinela copper mine in northern Chile rejected on Monday the company's collective ​contract offer, paving the ​way for a strike.