Notice of 2018 Interim Dividend Dates BHP Billiton Plc Registration number 3196209 Registered in England and Wales Share code: BIL ISIN: GB0000566504 20 September 2017 To: Australian Securities Exchange cc: New York Stock Exchange London Stock Exchange JSE Limited Notice of 2018 Interim Dividend Dates The proposed dates(1) for the 2018 Interim Dividend of BHP Billiton Limited and BHP Billiton Plc are as follows: 2018 Interim Dividend Half Yearly Results Announcement and Dividend Determination 20 February 2018 Currency conversion into RAND 2 March 2018 Last day to trade cum dividend on JSE Limited 6 March 2018 Ex-Dividend Date Johannesburg stock exchange 7 March 2018 Ex-Dividend Date (Australian, London and New York(2) stock exchanges) 8 March 2018 Record Date (including currency conversion and currency election date for Australian & London stock exchanges) 9 March 2018 Payment Date 27 March 2018 Please note that BHP Billiton Plc shareholders registered on the South African section of the register will not be able to dematerialise or rematerialise their shareholdings between the dates of 7 and 9 March 2018 (inclusive), nor will transfers between the UK register and the South African register be permitted between the dates of 2 March and 9 March 2018 (inclusive). (1) Dates are subject to change. (2) BHP Billiton Limited and BHP Billiton Plc shares are listed in the form of American Depositary Shares (ADSs) and traded as American Depositary Receipts (ADRs) on the NYSE. Each ADS represents two ordinary shares. Rachel Agnew Company Secretary Sponsor: UBS South Africa (Pty) Limited BHP Billiton Limited ABN 49 004 028 077 BHP Billiton Plc Registration number 3196209 LEI WZE1WSENV6JSZFK0JC28 LEI 549300C116EOWV835768 Registered in Australia Registered in England and Wales Registered Office: 171 Collins Street Registered Office: Nova South, 160 Victoria Street Melbourne Victoria 3000 London SW1E 5LB, United Kingdom The BHP Group is headquartered in Australia Date: 20/09/2017 07:05:00 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.