Antofagasta plc announced that Mr. Hugo Dryland has notified the Board of his intention to retire from his role as Non-Executive Director of the company and that Mrs. Francisca Castro was appointed a Non-Executive Director of the company by the Board on October 25, 2016. Both changes will take effect from November 1, 2016. Mrs. Castro has more than 25 years' experience in several industries, including mining, energy, finance and public/private infrastructure projects in the USA and in Chile. Prior to her appointment to the company's Board, Mrs. Castro spent eight years at Codelco, most recently leading the company's Business Development function. Before joining Codelco she spent 10 years working in various roles in the Chilean Government. Mrs. Castro began her career at the World Bank where she was based in Washington DC for five years. Mrs. Castro has over 25 years working in mining, energy, finance and public/private infrastructure projects in the USA and in Chile. From 2007 to 2015 Mrs. Castro worked at Codelco, where she most recently led the company's Business Development function.