Latest Antofagasta plc News & Updates

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Antofagasta plc (Antofagasta)

Chilean copper mining and rail transport group

antofagasta.co.uk

Headquarters: Las Condes, Chile
Founded year: 1993
Company type: Private company
Number of employees: 7,600–10,000
Industry: Specialty Mining & Metals

Last updated October 15

Latest news about Antofagasta plc (Antofagasta)

In short: Antofagasta raised Q3 copper output 7% but cut 2026 guidance after weather disruptions.

Company announcements

October 15 Antofagasta

Antofagasta reports Q3 copper production increase and updates 2027 guidance

Group copper output rose 7% to 151,900 tonnes. The company announced a 2027 production target of 630,000–690,000 tonnes and raised FY26 cash cost estimates.

August 13 Antofagasta

Antofagasta reports 27% EBITDA growth in H1 2026

Revenue rose 18% to $4.48 billion, and EBITDA margin widened to 63.4%. Full-year copper output guidance reduced to 625-655kt after weather disruptions.

July 15 Antofagasta

Antofagasta maintains discipline in cost control

Production fell 9.5% to 285,000 tons, mainly due to lower production at Los Pelambres and Centinela.

July 15 Antofagasta

Antofagasta reports Q2 2026 production in line with guidance

Copper production steady at 142kt; costs benefit from by-product credits. Growth projects advancing.

Media coverage

October 15 RTTNews

Antofagasta Q3 Copper Production Up Q-o-Q, But Stock Down

Antofagasta PLC (ANTO.L), a Chile-focused copper mining company, said third-quarter copper production rose 7% sequentially to 151,900 tonnes, driven by higher output at Los Pelambres...

October 15 MINING.COM

Antofagasta shares sink as 2027 copper outlook falls flat

Chilean miner's weaker-than-expected output forecast and rising fuel costs raise concerns over earnings and expansion plans.

October 4 Ad Hoc News

Antofagasta stock weighs strong H1 against a lower output outlook

Antofagasta reported adjusted H1 2026 EBITDA of USD 2.84 billion, up 27 percent year over year, while its EBITDA margin reached 63.4 percent. The figures...

September 23 Reuters

Workers at Chile's Centinela copper mine strike after talks fail

SANTIAGO, Oct 7 (Reuters) - Two unions at Chile's Centinela copper mine ‌rejected further contract talks with Antofagasta Minerals (ANTO.L), opens new tab on Wednesday...

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