| Adrian John Reginald Collins | Director | 14 Dec 1999 | 30 May 2000 | British | 72 years |
| Alan Steven Wilkinson | Director | 26 Sept 1996 | 28 Oct 1998 | British | 68 years |
| Alan Steven Wilkinson | Secretary | 24 Feb 1998 | 28 Oct 1998 | British | - |
| Antony Peter Drain | Director | 14 Jul 1998 | 10 Sept 1999 | British | 66 years |
| Antony Peter Drain | Secretary | 28 Oct 1998 | 31 Aug 1999 | British | - |
| Aviva Company Secretarial Services Limited | Corporate Secretary | 17 Mar 2017 | 1 Sept 2021 | United Kingdom | - |
| Diana Monger | Secretary | 31 Dec 2009 | 27 Apr 2012 | - | - |
| Diana Monger | Director | 8 Jun 2007 | 27 Apr 2012 | British | 69 years |
| Elizabeth Andrea Gray | Secretary | 15 Sept 2006 | 8 Jun 2007 | British | - |
| Evelyn Brigid Bourke | Director | 31 Dec 2009 | 27 Apr 2012 | Irish,british | 61 years |
| Friends Life Secretarial Services Limited | Corporate Secretary | 27 Apr 2012 | 17 Mar 2017 | United Kingdom | - |
| George Higginson | Director | 25 Apr 2013 | 7 Jan 2014 | British | 63 years |
| Ivan Martin | Director | 30 May 2000 | 31 May 2002 | British | 71 years |
| Ivan Martin | Director | 27 Apr 2012 | 8 Apr 2013 | British | 71 years |
| James Allen Newman | Director | 8 Jan 2014 | 17 Feb 2015 | British | 62 years |
| Jeffrey Pinnick | Secretary | 26 Sept 1996 | 24 Feb 1998 | British | - |
| John Cowan | Director | 17 Feb 2015 | 1 Jul 2020 | British | 79 years |
| John Cowan | Director | 30 Jul 2021 | 11 Aug 2022 | British | 79 years |
| Kim Michelle Rennie | Secretary | 31 Aug 1999 | 13 Sept 1999 | British | - |
| Mark Thomas Wadelin | Director | 30 May 2000 | 31 May 2002 | British | 65 years |
| Matthew Armitage | Secretary | 1 Jun 2004 | 15 Sept 2006 | British | - |
| Michael Alastair Couzens | Director | 27 Apr 2012 | 28 Feb 2013 | British | 62 years |
| Michele-louise Frances Golunska | Director | 11 May 2020 | 29 Jul 2022 | British | 59 years |
| Misys Corporate Director Limited | Corporate Director | 31 May 2002 | 8 Jun 2007 | United Kingdom | - |
| Paul Christopher Waters | Secretary | 30 May 2000 | 30 Nov 2002 | British | - |
| Paul Hooper | Director | 27 Apr 2012 | 7 Jan 2014 | British | 58 years |
| Paul Roland Trueman | Director | 13 Sept 1999 | 30 May 2000 | British | 66 years |
| Paul Roland Trueman | Secretary | 13 Sept 1999 | 30 May 2000 | British | - |
| Richard Laurence Ham | Secretary | 30 Nov 2002 | 1 Jun 2004 | British | - |
| Robert Gordon Ellis | Director | 8 Jun 2007 | 31 Dec 2009 | British | 70 years |
| Robert Gordon Ellis | Secretary | 8 Jun 2007 | 31 Dec 2009 | British | - |
| Ross Liston | Director | 30 Jul 2021 | 14 Oct 2022 | British | 55 years |
| Rupert Hugo Wynne Robson | Director | 22 Oct 1998 | 14 Dec 1999 | British | 65 years |
| Sarah Louise Batham | Director | 30 Jul 2021 | 24 Apr 2024 | British | 45 years |
| Tsd Nominees Limited | Corporate Nominee Director | 7 Aug 1995 | 26 Sept 1996 | - | - |
| Tsd Secretaries Limited | Corporate Nominee Secretary | 7 Aug 1995 | 26 Sept 1996 | - | - |
