Currency Conversion to Rand 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 CURRENCY CONVERSION TO RAND South32 Limited (ASX, LSE, JSE: S32; ADR: SOUY) (South32) announced on 28 August 2025 that the Board resolved to pay a final dividend of US 2.6 cents per share (fully franked) for the full year ended 30 June 2025. The dividend payment date is 16 October 2025. The US cent currency exchange rate applicable to the dividend payable in South African cents, to shareholders on the South African branch register on the Record Date, is: Gross dividend per ordinary Net dividend per ordinary Dividend Exchange rate share in South African Cents share in South African Cents Final dividend 17.49197 45.47912 36.38330 The currency exchange rate is the average exchange rate realised on foreign exchange trades during the period 8 September 2025 to 12 September 2025. The exchange rate applicable to the South32 dividend being paid in other currencies will be determined during the period 8 September 2025 to 24 September 2025. Details of the currency exchange rates applicable for the dividend will be announced to the relevant stock exchanges. South32 shareholders registered on the South African branch register will not be able to dematerialise or rematerialise their shareholdings between 17 September 2025 and 19 September 2025 (both dates inclusive), nor will transfers to or from the South African branch register be permitted between 12 September 2025 and 19 September 2025 (both dates inclusive). 1. South African dividend tax of 9.09582 South African cents per ordinary share will be withheld from the amount of the gross final dividend of 45.47912 South African cents per ordinary share paid to shareholders on the South African branch register at the rate of 20% unless a shareholder qualifies for an exemption. 2. After the South African dividend tax has been withheld, the net dividend will be 36.38330 South African cents per ordinary share. 3. Australia is the country of source of income, the dividend is regarded as 'foreign' for the purposes of South African dividends tax. 4. South32 had a total of 4,503,635,121 ordinary shares on issue at the dividend determination date of 28 August 2025. 5. The dividend will be paid out of retained earnings. 6. For the avoidance of doubt, South African dividend tax, and therefore the information provided in this announcement, is of only direct application to shareholders on the South African branch register. Shareholders on the South African branch register should direct any questions regarding the application of the South African dividend tax to Computershare Investor Services online at www.computershare.com/za or by calling +27 (0) 86 110 0950. Holders of shares dematerialised into STRATE should contact their Central Security Depository Participant (CSDP) or stockbroker. Registered Office Level 2, 100 St Georges Terrace Perth WA 6000 Australia ABN 84 093 732 597 Registered in Australia For further dividend information, contact Computershare on smart number 0861 100 950 or visit our website (www.south32.net). Dividend timetable Announce currency conversion into South African rand 15 September 2025 Last day to trade cum dividend on the Johannesburg Stock Exchange (JSE) 16 September 2025 Ex-dividend date on the JSE 17 September 2025 Ex-dividend date on the ASX and London Stock Exchange (LSE) 18 September 2025 Record date (including currency election date for ASX) 19 September 2025 Payment date 16 October 2025 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 15 September 2025 2 Date: 15-09-2025 09:14:00 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.