SOUTH32 LIMITED DISCLOSUREInsider Transactions (Form 3/4/5)

Appendix 3Y - Jane Nelson

Appendix 3Y Change of Director’s Interest Notice + See chapter 19 for defined terms. 01/01/2011 Appendix 3Y Page 1 South32 Limited (Incorporated in Australia under the Corporations Act 2001 (Cth)) (ACN 093 732 597) ASX/JSE/LSE Share Code: S32 ADR: SOUHY ISIN: AU000000S320 south32.net Rule 3.19A.2 Appendix 3Y Change of Director’s Interest Notice Information or documents not available now must be given to ASX as soon as available. Information and documents given to ASX become ASX’s property and may be made public. Introduced 30/09/01 Amended 01/01/11 Name of entity South32 Limited ABN 84 093 732 597 We (the entity) give ASX the following information under listing rule 3.19A.2 and as agent for the director for the purposes of section 205G of the Corporations Act. Name of Director Jane Nelson Date of last notice 8 September 2026 Part 1 - Change of director’s relevant interests in securities In the case of a trust, this includes interests in the trust made available by the responsible entity of the trust Note: In the case of a company, interests which come within paragraph (i) of the definition of “notifiable interest of a director” should be disclosed in this part. Direct or indirect interest Direct and indirect interest Nature of indirect interest (including registered holder) Note: Provide details of the circumstances giving rise to the relevant interest. Merrill Lynch (Australia) Nominees Pty Limited on behalf of Jane Nelson Date of change 10 September 2026 No. of securities held prior to change Direct – 40,000 Indirect – 10,000 ordinary shares held by Merrill Lynch (Australia) Nominees Pty Limited on behalf of Jane Nelson Class Ordinary fully paid shares in South32 Limited Number acquired N/A Number disposed N/A Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation N/A For personal use only Appendix 3Y Change of Director’s Interest Notice + See chapter 19 for defined terms. Appendix 3Y Page 2 01/01/2011 No. of securities held after change Direct – 50,000 Indirect – Nil Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back Off market transfer from indirect holding to direct holding by