Antofagasta Cuts Copper Guidance Amid Weather-Related Disruption

Antofagasta plc, a London-listed mining group controlled by the Luksic family, published its first-half results on August 13. The company's profitability reached elevated levels for the sector, but annual copper production guidance was lowered due to exceptional weather in Chile.

Copper volumes produced by Antofagasta fell half-on-half, but realized prices drove revenue increase. The rise in profitability comes from pricing environment, not industrial performance. Additionally, gold and molybdenum prices rose sharply, contributing to lower net cash costs.

The weather episode at Los Pelambres mine led to a revision of annual production guidance. Antofagasta did not quantify the cost of repairs on pipeline platforms and water management systems, but reported that key equipment and major infrastructure sustained no material damage.