Antofagasta Results Presentation Deck

Safety The safety of our people is our top priority 1.61 2 2016 Note: 2021 fatality was in July 1.53 0 2017 316 1.59 1 2018 217 1.01 0 2019 86 0.86 0 2020 Fatalities Lost Time Injury Frequency Rate (LTIFR) High Potential Incidents (HPI) 29 1.28 1 2021 HY ANTOFAGASTA PLC High Potential Incidents (HPIs) are leading indicators of the effectiveness of safety controls and facilitate the early introduction of improvements to prevent serious accidents 19

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