Appendix 3X Initial Director’s Interest Notice 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.1 Appendix 3X Initial 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 30/9/2001. Name of entity South32 Limited ABN 84 093 732 597 We (the entity) give ASX the following information under listing rule 3.19A.1 and as agent for the director for the purposes of section 205G of the Corporations Act. Name of Director Carlos Mesquita Date of appointment 1 May 2023 Part 1 - Director’s relevant interests in securities of which the director is the registered holder 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. Number & class of securities Mr Carlos Mesquita has a direct interest in 87,599 ordinary shares in South32 Limited Mr Carlos Mesquita has a direct interest in 89,841 Depository Interests, representing an interest in 89,841 ordinary shares in South32 Limited + See chapter 19 for defined terms. 11/3/2002 Appendix 3X Page 1 Appendix 3X Initial Director’s Interest Notice Part 2 – Director’s relevant interests in securities of which the director is not the registered holder In the case of a trust, this includes interests in the trust made available by the responsible entity of the trust Name of holder & nature of Number & class of Securities interest Note: Provide details of the circumstances giving rise to the relevant interest. N/A Part 3 – Director’s interests in contracts Note: In the case of a company, interests which come within paragraph (ii) of the definition of “notifiable interest of a director” should be disclosed in this part. Detail of contract N/A Nature of interest N/A Name of registered holder N/A (if issued securities) No. and class of securities to which N/A interest relates JSE Sponsor: The Standard Bank of South Africa (Pty) Ltd 1 May 2023 + See chapter 19 for defined terms. Appendix 3X Page 2 11/3/2002