17 September 2025

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.

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

JSE Sponsor: The Standard Bank of South Africa Limited
17 September 2025