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

CHANGES RELATING TO BUY-BACK (APPENDIX 3C)

South32 Limited (ASX, LSE, JSE: S32; ADR: SOUHY) (South32) (the Company) advises that a 'Changes relating to buy-back' form (Appendix 3C) 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

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.

Further information on South32 can be found at www.south32.net.

JSE Sponsor: The Standard Bank of South Africa Limited
12 February 2026