Antofagasta Results Presentation Deck

Exploration Cachorro maiden resource declared Puerto Mejillones 80°00″W 70'00°W Antofagasta Antucoya 70'0'0″W Cachorro 69°00″W Centinela Zaldivar 20 69°0′0″W Calama 40 Km 2300'S Drilling Camp Mineralisation Antofagasta plc | 2021 Preliminary financial results ● ● Inferred resource 142 mt @1.21% Cu Latest Group discovery generated by our greenfield exploration programme Potential to become one of the most important manto-type deposits in the coastal metallogenic belt of northern Chile Estimated inferred resource for the central part of the deposit, represents only a part of its potential Good local infrastructure Infill drilling will continue during 2022 26

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