| Adam Paul Rutherford | Secretary | 20 Nov 1995 | 14 Jan 2000 | British | - |
| Alan Robert Davidson | Director | 27 Sept 2017 | 31 Oct 2018 | British | 58 years |
| Angela Sigley | Secretary | 14 Jan 2000 | 18 Apr 2000 | British | - |
| Charles Robert Lowe | Director | 3 Feb 2015 | 27 Sept 2017 | British | 68 years |
| David William Hanson | Director | 22 May 1992 | 14 Nov 1995 | British | 81 years |
| David William King | Director | 16 Dec 2013 | 29 Sept 2023 | British | 64 years |
| Fiona Jane Molloy | Secretary | 1 Apr 2001 | 13 Jan 2006 | British | - |
| Gillian Kathleen Wood | Secretary | 12 Feb 1993 | 20 Nov 1995 | British | - |
| John Clark Betteridge | Director | 19 Feb 1999 | 31 Dec 2013 | British | 68 years |
| Jonathan Mark Brewis Daniels | Director | 1 Feb 2019 | 30 Jun 2019 | British | 63 years |
| Jonathan Windsor Morgan | Director | 7 Mar 1995 | 28 Feb 2005 | British | 69 years |
| Kerryn Lynn Macdonald | Secretary | 30 Apr 2004 | 9 Mar 2005 | British | - |
| M&g Management Services Limited | Corporate Secretary | 1 Feb 2006 | 2 Nov 2017 | United Kingdom | - |
| Malcolm David Philip Richardson | Director | 4 Mar 2019 | 30 Apr 2024 | British | 63 years |
| Martin John Brookes | Director | 2 Jul 2007 | 30 Apr 2013 | British | 64 years |
| Matthew Owen Williams | Director | 5 Jun 2013 | 30 Jan 2015 | British | 59 years |
| Neil Patrick Macdougall | Director | 7 Mar 1995 | 2 Jul 2007 | British | 61 years |
| Paul Brooks | Director | 22 May 1992 | 15 Mar 1995 | British | 72 years |
| Prudential Group Secretarial Services Limited | Corporate Secretary | 2 Nov 2017 | 4 Oct 2019 | United Kingdom | - |
| Tracey Lee Wellard | Secretary | 22 May 1992 | 12 Feb 1993 | British | - |
| Vanessa Frances Ruparel | Secretary | 18 Apr 2000 | 1 Apr 2001 | British | - |
