Antofagasta PLC is a Chile-focused copper mining group headquartered in London, United Kingdom. The company is engaged in the exploration, development and production of copper and associated by-products such as molybdenum, silver and gold. Its operations encompass a portfolio of open-pit and underground mines in northern Chile, including Los Pelambres, Centinela and Antucoya, which together rank among the largest copper producers in the world.
The company’s integrated model spans the full mining life cycle, from exploration and feasibility studies to processing and smelting. Antofagasta’s processing facilities employ both traditional flotation and modern heap leach technologies, allowing it to optimize recovery rates and sustainably manage water and energy resources. The firm also invests in ongoing exploration programs across its extensive land holdings to replenish reserves and extend mine lives.
Founded in 1888 as a railway enterprise in northern Chile, Antofagasta has evolved into a leading international miner with a primary listing on the London Stock Exchange. The group is led by Chief Executive Officer Iván Arriagada and Chairman Diego Hernández Ponce, supported by a board with deep experience in mining, finance and sustainability. Under their stewardship, Antofagasta has maintained a focus on operational excellence, cost control and stakeholder engagement.
Antofagasta serves global copper markets, supplying key consumers in Asia, Europe and North America. The company prioritizes environmental stewardship and social responsibility, implementing initiatives to reduce carbon emissions, improve water efficiency and foster community development in its host regions. Its strategic investments in digitalization and renewable energy aim to enhance productivity and support the transition to a low-carbon economy.
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