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REG — South32 Limited — Daily Buy — Back Notification

For best results when printing this announcement, please click on link below: RNS Number: 3736V South32 Limited 18 September 2026 18 September 2026 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 ( ): * South32 Limited — Appendix 3C — Notification of buy-back (updated announcement for daily buy-back notification) About us 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 minerals and metals critical to the world’s energy transition from operations across the Americas, Australia and Southern Africa and we are

S32.AX

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 ( ): * South32 Limited — Appendix 3C — Notification of buy-back (updated announcement for daily buy-back notification) About us 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 minerals and metals critical to the world’s energy transition from operations across the Americas, Australia and Southern Africa and we are discovering and responsibly developing our next generation of mines. We aspire to leave a positive legacy and build meaningful relationships with our partners and communities to create brighter futures together. net) Further information on South32 can be found at ( ).

JSE Sponsor: The Standard Bank of South Africa Limited 18 September 2026 This information is provided by RNS, the news service of the London Stock Exchange. RNS is approved by the Financial Conduct Authority to act as a Primary Information Provider in the United Kingdom. Terms and conditions relating to the use and distribution of this information may apply. com) or visit ( ).

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