South32 Limited (Incorporated in Australia under the Corporations Act 2001 (Cth)) (ACN 093 732 597) ASX / LSE / JSE Share Code: S32; ADR: SOUHY ISIN: AU000000S320 South32.net 25 August 2022 CHANGES RELATING TO BUY-BACK (APPENDIX 3D) South32 Limited (ASX, LSE, JSE: S32; ADR: SOUHY) (South32) advises that a ’Changes relating to buy-back’ form (Appendix 3D) was lodged on the Australian Securities Exchange today and is voluntarily disclosed on the Johannesburg Stock Exchange and London Stock Exchange by way of submission to the National Storage Mechanism and will shortly be available for inspection at https://data.fca.org.uk/#/nsm/nationalstoragemechanism. About us South32 is a globally diversified mining and metals company. Our purpose is to make a difference by developing natural resources, improving people’s lives now and for generations to come. We are trusted by our owners and partners to realise the potential of their resources. We produce commodities including bauxite, alumina, aluminium, copper, silver, lead, zinc, nickel, metallurgical coal and manganese from our operations in Australia, Southern Africa and South America. With a focus on growing our base metals exposure, we also have two development options in North America and several partnerships with junior explorers around the world. Investor Relations Ben Baker T +61 8 9324 9363 M +61 403 763 086 E Ben.Baker@south32.net Media Relations Jamie Macdonald Miles Godfrey T +61 8 9324 9000 T +61 8 9324 9000 M +61 408 925 140 M +61 415 325 906 E Jamie.Macdonald@south32.net E Miles.Godfrey@south32.net Further information on South32 can be found at www.south32.net. Approved for release by Graham Kerr, Chief Executive Officer JSE Sponsor: The Standard Bank of South Africa Limited 25 August 2022 Registered Office Level 35 108 St Georges Terrace Perth WA 6000 Australia ABN 84 093 732 597 Registered in Australia