FY22 Overview & Safety Program Update

ALUMINIUM SMELTER COST BREAKDOWN Hillside Aluminium H1 FY22 cost breakdown Mozal Aluminium H2 FY22 cost breakdown H1 FY22 cost breakdown H2 FY22 cost breakdown Electricity Raw materials Electricity Raw materials Labour Pot relining 5% 2% 12% 18% 23% Pot relining Labour 17% 24% 22% 21% 29% 4% Other(a) Other(a) 3% 3% 3% US$1,935/t US$2,318/t US$2,008/t 3% 2% US$2,429/t Notes: a. 151 52% | I HoH impact on costs (US$/t) 35 9 5 52% (10) Alumina Coke Pitch ATF Electricity Other primarily relates to inventory movements and freight. I 53% 107 80 | I 52% HoH impact on costs (US$/t) I | 38 12 7 Alumina Coke Pitch ATF Electricity I SLIDE 48 III SOUTH32

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