Notice of Annual General Meeting 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 NOTICE OF ANNUAL GENERAL MEETING South32 Limited (ASX, LSE, JSE: S32; ADR: SOUHY) (South32) today releases its Notice of Annual General Meeting and Proxy Form for the 2025 Annual General Meeting (AGM). The meeting will be held as a hybrid meeting on Thursday, 23 October 2025 at 12.00pm Australian Western Standard Time (AWST). Shareholders and guests will be able to attend the meeting physically at the Perth Convention and Exhibition Centre, 21 Mounts Bay Road, Perth, Western Australia or online at https://meetnow.global/S32AGM2025. The board has determined, in accordance with regulation 7.11.37 of the Corporations Regulations 2001 (Cth), that for the purposes of the AGM, persons who are registered holders of shares in the company as at 4.00pm (AWST) on Tuesday, 21 October 2025 will be entitled to attend and vote at the meeting. The Notice of Meeting will be sent to members consistent with their elections. Any shareholders that have not made a hard copy or electronic election will receive a notice of access with details for where the Notice of Meeting can be accessed. For shareholders who have elected to receive a hard copy, the Notice of Meeting will be dispatched by post no later than today, 17 September 2025. The Notice of Meeting, the Proxy Form and other meeting materials can be accessed on South32's website at https://www.south32.net/agm and a copy of the Notice of Meeting will be submitted to the National Storage Mechanism and 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. Investor Relations Media Relations Ben Baker Jamie Macdonald T +61 8 9324 9363 T +61 8 9324 9000 M +61 403 763 086 M +61 408 925 140 E Ben.Baker@south32.net E Jamie.Macdonald@south32.net Further information on South32 can be found at www.south32.net. JSE Sponsor: The Standard Bank of South Africa Limited 17 September 2025 Registered Office Level 2, 100 St Georges Terrace, Perth WA 6000, Australia ABN 84 093 732 597 Registered in Australia Date: 17-09-2025 08:43:00 Produced by the JSE SENS Department. The SENS service is an information dissemination service administered by the JSE Limited ('JSE'). The JSE does not, whether expressly, tacitly or implicitly, represent, warrant or in any way guarantee the truth, accuracy or completeness of the information published on SENS. The JSE, their officers, employees and agents accept no liability for (or in respect of) any direct, indirect, incidental or consequential loss or damage of any kind or nature, howsoever arising, from the use of SENS or the use of, or reliance on, information disseminated through SENS.