| Andrew Leslie Nesbitt | Director | 7 May 1996 | 20 Nov 1997 | British | 79 years |
| Aviva Company Secretarial Services Limited | Corporate Secretary | 19 Dec 2016 | 1 Aug 2024 | United Kingdom | - |
| Charles Sheridan Alexander Maudsley | Director | 20 Apr 1998 | 24 Jun 2005 | British | 62 years |
| David Steven Blackwell | Director | 23 Oct 2015 | 17 Nov 2016 | British | 48 years |
| Friends Life Secretarial Services Limited | Corporate Secretary | 15 Sept 2010 | 19 Dec 2016 | United Kingdom | - |
| Gordon James Lacey | Director | 7 May 1996 | 28 Oct 1997 | British | 80 years |
| Graham Stephen Long | Director | 16 Sept 2015 | 17 Nov 2016 | British | 66 years |
| Huw David Stephens | Director | 27 Feb 1998 | 20 Apr 1998 | British | 66 years |
| Huw David Stephens | Director | 20 Jul 2004 | 15 Sept 2010 | British | 66 years |
| Iain Stewart Duthie | Director | 28 Feb 2022 | 1 Aug 2024 | British | 43 years |
| Ian Hird | Secretary | 7 May 1996 | 21 Jul 2000 | British | - |
| James Wintringham Owen | Director | 5 Feb 2010 | 15 Sept 2010 | British | 76 years |
| Jeremy Peter Small | Secretary | 21 Jul 2000 | 15 Sept 2010 | British | - |
| Jin-wee Tan | Director | 27 Jun 2012 | 26 Sept 2014 | British | 48 years |
| Mark Richard Beavis Versey | Director | 15 Sept 2010 | 28 Mar 2014 | British | 54 years |
| Michael John Green | Director | 17 Nov 2016 | 15 Oct 2021 | British | 50 years |
| Michael Robert Kipling | Director | 15 Sept 2010 | 26 Sept 2014 | British | 69 years |
| Nick Staddon | Director | 28 Feb 2022 | 1 Aug 2024 | British | 36 years |
| Pierre Alain Biscay | Director | 25 Sept 2014 | 17 Nov 2016 | French | 47 years |
| Richard John Levis | Director | 17 Nov 2016 | 11 Dec 2019 | British | 47 years |
| Richard Mark Pinnock | Director | 20 Jul 2004 | 15 Sept 2010 | British | 67 years |
| Ricky Dawson | Director | 6 Aug 2021 | 27 Jun 2022 | British | 56 years |
| Robert Francis Awford | Director | 17 Nov 2016 | 28 Aug 2018 | British | 70 years |
| Robert Groves | Director | 25 Sept 2014 | 12 Aug 2015 | British | 49 years |
| Robert Stephen Edwards | Director | 7 May 1996 | 27 Feb 1998 | British | 73 years |
| Rory Travers-drapes | Director | 31 Mar 2020 | 6 Aug 2021 | British | 47 years |
| Stephen Paul Smith | Director | 20 Nov 1997 | 31 Dec 2009 | British | 73 years |
| Yang Song | Director | 25 Sept 2014 | 23 Oct 2015 | British | 43 years |
