| Anthony Charles Strong | Director | 1 Sept 2000 | 13 Feb 2006 | British | 72 years |
| Capita Company Secretarial Services Limited | Corporate Secretary | 1 Sept 2005 | 1 Dec 2008 | - | - |
| Capita Group Secretary Limited | Corporate Secretary | 1 Dec 2008 | 3 Nov 2017 | United Kingdom | - |
| Colin Arthur Benford | Director | 7 Jul 2010 | 31 Jan 2024 | British | 64 years |
| David Nicolas Garbourne Mason | Director | 1 Apr 1996 | 31 Aug 2000 | British | 83 years |
| David Ronald Braithwaite | Director | 7 Aug 1995 | 3 Apr 1998 | British | 79 years |
| David Ronald Braithwaite | Director | 1 Sept 2000 | 30 Apr 2007 | British | 79 years |
| David Rovere Barnfather | Director | 8 Sept 2004 | 30 Jun 2015 | British | 82 years |
| Frances Karen Louise Black | Director | 1 Sept 2000 | 30 Nov 2005 | British | 59 years |
| Frances Karen Louise Black | Secretary | 1 Sept 2000 | 1 Sept 2005 | British | - |
| Halco Management Limited | Corporate Nominee Director | 8 Mar 1995 | 7 Aug 1995 | United Kingdom | - |
| Halco Secretaries Limited | Corporate Secretary | 8 Mar 1995 | 7 Aug 1995 | United Kingdom | - |
| Ian Roy Hunter Macdonald | Director | 18 Sept 1998 | 26 Sept 2000 | British | 64 years |
| Jane Kathryn Fryer | Director | 20 Aug 2008 | 31 Mar 2024 | British | 65 years |
| John Peter Johnstone | Director | 14 Feb 2005 | 13 Dec 2005 | British | 74 years |
| Jonathan Glyn Vickers | Director | 13 Feb 2006 | 21 Apr 2009 | British | 64 years |
| Keith Brian Parkinson | Director | 7 Aug 1995 | 31 Aug 2000 | British | 81 years |
| Keith Brian Parkinson | Secretary | 25 Sept 1999 | 31 Aug 2000 | British | - |
| Link Group Corporate Secretary Limited | Corporate Secretary | 3 Nov 2017 | 28 Jun 2019 | United Kingdom | - |
| Lionel Barry Akid | Director | 3 Apr 1998 | 10 Sept 1999 | British | 92 years |
| Michael Addenbrooke | Director | 1 Sept 2005 | 13 Feb 2006 | British | 71 years |
| Michael Anthony Clark | Director | 17 Jan 2012 | 19 Sept 2012 | British | 69 years |
| Nicholas Humphrey Jones | Secretary | 7 Aug 1995 | 25 Sept 1999 | British | - |
| Paul Andrew Sturgess | Director | 1 Sept 2000 | 13 Feb 2006 | British | 65 years |
| Richard John Stirrup | Director | 1 Sept 2000 | 15 Dec 2003 | British | 65 years |
| Ronald Brian Spill | Director | 15 Apr 1996 | 31 Aug 2000 | British | 94 years |
| Sean Peter Martin | Director | 20 Aug 2008 | 7 Jul 2010 | British | 61 years |
| Stephen David Parkinson | Director | 1 Sept 2005 | 13 Feb 2006 | British | 63 years |
| Steve Jones | Director | 20 Aug 2008 | 30 Jun 2018 | British | 66 years |
