Antofagasta plc is a Chile‐focused copper mining group incorporated in the United Kingdom and listed on the London Stock Exchange under the symbol ANFGY. The company’s core business activities encompass the exploration, development, extraction and processing of copper ore, with additional by‐product revenues from molybdenum and gold. Antofagasta supplies copper concentrates and cathodes to smelters and refiners around the world, targeting customers in Asia, Europe and North America through long‐term off‐take agreements and spot market sales.
The company’s principal mining operations include the Los Pelambres, Centinela and Antucoya mines, each supported by associated smelter and refinery facilities. Los Pelambres, one of the largest copper mines globally, contributes a significant portion of the group’s production via a modern flotation plant and an on‐site desalination and water pipeline system. At Centinela, Antofagasta operates both open pit and underground mines, while Antucoya applies heap leach technology to process lower‐grade ore. In addition, the Zaldívar mine, operated as a joint venture with its partner Barrick Gold, enhances the group’s production profile.
Founded in 1888 with the construction of a railway to support nitrate transport in northern Chile, Antofagasta has grown through successive acquisitions and investments to become a leading copper producer. Early successors focused the group entirely on mining following the sale of its transport and railway assets in the late 20th century. Today, the company’s exploration projects extend beyond Chile into select targets in North America, applying advanced geological modelling and data analytics to identify high‐potential copper deposits.
Under the leadership of Chief Executive Officer Iván Arriagada and Non‐Executive Chairman Diego Hernández, Antofagasta emphasizes sustainable development, operational excellence and community engagement. The group has invested in technologies to reduce greenhouse gas emissions, optimise water use through seawater desalination and implement responsible tailings management. Through local partnerships and training programs, Antofagasta works to foster social and economic development in the regions where it operates, aligning its growth strategy with evolving environmental and regulatory standards.
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