| RIO TINTO SECRETARIAT LIMITED ACTIVE | Secretary | 05 May 2017 | | | | 6, St James's Square, London, SW1Y 4AD, United Kingdom |
| BURKE, Katharine Nicola ACTIVE | Director | 29 Jun 2026 | | United Kingdom | February 1980 | 6, St James's Square, London, SW1Y 4AD |
| PASMORE, Michael Stuart ACTIVE | Director | 25 Mar 2024 | | United Kingdom | April 1981 | 6, St James's Square, London, SW1Y 4AD |
| WHYTE, Matthew John ACTIVE | Director | 15 May 2026 | | England | March 1974 | 6, St James's Square, London, SW1Y 4AD |
| BRENNAN, Louise RESIGNED | Secretary | 04 May 2007 | 01 Feb 2008 | | | 98a Prince Of Wales Mansions, Prince Of Wales Drive Battersea, London, SW11 4BL |
| DAY, Helen Christine RESIGNED | Secretary | 02 Jun 2008 | 05 May 2017 | | | 6, St James's Square, London, SW1Y 4AD, United Kingdom |
| PIPER, Rhonda RESIGNED | Secretary | 01 Jul 1997 | 03 May 2007 | | | 74 Pinnacle Hill, Bexleyheath, Kent, DA7 6AG |
| SENIOR, John Albert RESIGNED | Secretary | 19 Nov 1996 | 30 Jun 1997 | | | Marchwood Guildford Road, Cranleigh, Surrey, GU6 8PG |
| WHYTE, Matthew John RESIGNED | Secretary | 01 Feb 2008 | 02 Jun 2008 | | | 9, Selby Road, Ealing, London, W5 1LY |
| HACKWOOD SECRETARIES LIMITED RESIGNED | Nominee Secretary | 26 Jul 1996 | 19 Nov 1996 | | | One Silk Street, London, EC2Y 8HQ |
| BELLHOUSE, Robin Christian RESIGNED | Director | 16 Aug 2018 | 30 Nov 2018 | England | May 1964 | 6, St James's Square, London, SW1Y 4AD |
| BRADLEY, John Stirling RESIGNED | Director | 19 Nov 1996 | 30 Dec 1999 | England | January 1948 | 88 Lexden Road, Colchester, Essex, CO3 3SR |
| BURKE, Katharine Nicola RESIGNED | Director | 16 Aug 2018 | 17 Oct 2024 | United Kingdom | February 1980 | 6, St James's Square, London, SW1Y 4AD |
| EVANS, Eleanor Bronwen RESIGNED | Director | 09 Jan 2014 | 19 Aug 2016 | United Kingdom | June 1966 | 6, St James's Square, London, SW1Y 4AD, United Kingdom |
| GARNER, Adrian Stapleton RESIGNED | Director | 19 Nov 1996 | 28 Feb 2005 | United Kingdom | July 1949 | 34, Ashley Road, Walton-On-Thames, Surrey, KT12 1HS |
| HODGES, Andrew William RESIGNED | Director | 03 Jun 2025 | 26 May 2026 | United Kingdom | June 1967 | 6, St James's Square, London, SW1Y 4AD |
| HODGES, Andrew William RESIGNED | Director | 30 Nov 2018 | 25 Mar 2024 | United Kingdom | June 1967 | 6, St James's Square, London, SW1Y 4AD |
| HOLROYD, Christopher Allen RESIGNED | Director | 19 Nov 1996 | 31 Mar 2000 | | January 1945 | The Meade, Pagans Hill Chew Stoke, Bristol, BS40 8UF |
| JONES, Nigel Hanson RESIGNED | Director | 02 Jun 2008 | 07 Mar 2013 | England | January 1966 | 2 Eastbourne Terrace, London, W2 6LG |
| LAWTON, Charles Henry Huntley RESIGNED | Director | 01 Mar 2000 | 30 Apr 2008 | | April 1946 | 26 Abingdon Villas, London, W8 6BX |
| LOCKLEY, Robert Keith RESIGNED | Director | 01 Nov 2015 | 15 Jul 2018 | United Kingdom | April 1970 | 6, St James's Square, London, SW1Y 4AD |
| MATHEWS, Benedict John Spurway RESIGNED | Director | 04 Sep 2007 | 03 May 2013 | United Kingdom | February 1967 | 2 Eastbourne Terrace, London, W2 6LG |
| MCLEOD ADAIR, Karen Frances RESIGNED | Director | 01 Mar 2000 | 03 Sep 2007 | | September 1946 | Penthouse 10, 33 Savile Row, London, W1X 1AG |
| SHANNON, Mark James RESIGNED | Director | 21 Mar 2013 | 31 Jan 2015 | United Kingdom | December 1971 | 2 Eastbourne Terrace, London, W2 6LG |
| TOTH, Peter Ivan RESIGNED | Director | 01 Jun 2015 | 18 Oct 2021 | United Kingdom | June 1969 | 6, St James's Square, London, SW1Y 4AD, United Kingdom |
| WHENT, Barbara Anne RESIGNED | Director | 01 Mar 2005 | 24 Jul 2015 | United Kingdom | July 1960 | 6, St James's Square, London, SW1Y 4AD, United Kingdom |
| HACKWOOD DIRECTORS LIMITED RESIGNED | Nominee Director | 26 Jul 1996 | 19 Nov 1996 | | | One Silk Street, London, EC2Y 8HQ |