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 South32 Limited DAILY BUY-BACK NOTIFICATION The Appendix 3C – Notification of buy-back update announcement (for the daily buy-back notification) lodged on the Australian Securities Exchange and voluntarily disclosed on the Johannesburg Stock Exchange and London Stock Exchange has today been submitted to the National Storage Mechanism and will shortly be available for inspection at https://data.fca.org.uk/#/nsm/nationalstoragemechanism: • South32 Limited – Appendix 3C – Notification of buy-back (updated announcement for daily buy-back notification) 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, zinc, lead, silver, nickel and manganese from our operations in Australia, Southern Africa and South America. We also have a portfolio of high-quality development projects and options, and exploration prospects, consistent with our strategy to reshape our portfolio towards commodities critical for a low- carbon future. 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. JSE Sponsor: The Standard Bank of South Africa Limited 7 March 2025 Registered Office Level 35 108 St Georges Terrace Perth WA 6000 Australia ABN 84 093 732 597 Registered in Australia