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 16 February 2023 that the Board resolved to pay an interim dividend of US 4.9 cents per share (fully franked) for the half year ended 31 December 2022. The dividend payment date is 6 April 2023. 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 Interim dividend 18.28994 89.62071 71.69657 The currency exchange rate is the volume weighted average price achieved on foreign exchange trades executed over the period 27 February 2023 to 3 March 2023. The exchange rate applicable to the South32 dividend being paid in other currencies will be determined over the period 27 February 2023 to 15 March 2023. 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 8 March 2023 and 10 March 2023 (both dates inclusive), nor will transfers to or from the South African branch register be permitted between 2 March 2023 and 10 March 2023 (both dates inclusive). 1. South African dividend tax of 17.92414 South African cents per ordinary share will be withheld from the amount of the gross interim dividend of 89.62071 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 71.69657 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 4,572,082,651 ordinary shares on issue at the dividend determination date of 16 February 2023. 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 35 108 St Georges Terrace Perth WA 6000 Australia ABN 84 093 732 597 Registered in Australia 1 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 3 March 2023 Last day to trade cum dividend on the Johannesburg Stock Exchange (JSE) 7 March 2023 Ex-dividend date on the JSE 8 March 2023 Ex-dividend date on the ASX and London Stock Exchange (LSE) 9 March 2023 Record date (including currency election date for ASX) 10 March 2023 Payment date 6 April 2023 About us South32 is a globally diversified mining and metals company. 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 commodities including bauxite, alumina, aluminium, copper, silver, lead, zinc, nickel, metallurgical coal and manganese from our operations in Australia, Southern Africa and South America. With a focus on growing our base metals exposure, we also have two development options in North America and several partnerships with junior explorers around the world. Investor Relations Ben Baker T +61 8 9324 9363 M +61 403 763 086 E Ben.Baker@south32.net Media Relations Jamie Macdonald Miles Godfrey T +61 8 9324 9000 T +61 8 9324 9000 M +61 408 925 140 M +61 415 325 906 E Jamie.Macdonald@south32.net E Miles.Godfrey@south32.net Further information on South32 can be found at www.south32.net. JSE Sponsor: The Standard Bank of South Africa Limited 3 March 2023 2