| Adrian Colin Farnell | Director | 25 Mar 2002 | 31 Jul 2008 | British | 64 years |
| Alan Piers Johnson | Director | 11 May 2015 | 31 Jul 2017 | British | 57 years |
| Alan Sinclair Devine | Director | 19 Jul 2007 | 31 Jul 2008 | British | 65 years |
| Andrew Charles Armstrong | Director | 1 Apr 1997 | 25 Mar 2002 | British | 66 years |
| Andrew Paul Gadsby | Director | 1 Apr 2014 | 15 May 2015 | British | 59 years |
| Angela Mary Cunningham | Secretary | 15 Mar 2002 | 31 May 2003 | British | - |
| Antony Craven Chambers | Director | 1 Apr 1997 | 31 Dec 1998 | British | 82 years |
| Brian Arthur Harte | Director | 1 Dec 2000 | 23 Mar 2001 | British | 72 years |
| Carolyn Jean Down | Secretary | 18 Nov 2005 | 31 Oct 2012 | Other | - |
| Celia Eileen Susan Stone | Secretary | 22 Apr 1996 | 2 Mar 2001 | British | - |
| Christine Amelia Lione | Director | 22 Apr 1996 | 1 Apr 1997 | British | - |
| Christopher Paul Sullivan | Director | 25 Mar 2002 | 31 May 2003 | British | 68 years |
| David Gerald Harris | Director | 31 Jul 2017 | 8 Jan 2018 | British | 56 years |
| Domhnal Slattery | Director | 18 Mar 2004 | 19 Jul 2004 | Irish | 58 years |
| Emma-marie Mayes | Director | 31 Jul 2017 | 6 Mar 2018 | British | 46 years |
| Geoffrey Eric Stoker | Director | 23 Mar 2001 | 8 Mar 2002 | British | 67 years |
| Graham Colin Clemett | Director | 1 Jun 2003 | 29 Feb 2004 | British | 65 years |
| Ian Andrew Ellis | Director | 6 Mar 2018 | 8 Jan 2019 | British | 56 years |
| Ian Maxwell Shephard | Director | 20 Aug 2008 | 10 Feb 2009 | British | 57 years |
| Ian Robert Lyall | Director | 1 Dec 2000 | 25 Mar 2002 | British | 74 years |
| J.p. Morgan Secretaries (uk) Limited | Corporate Secretary | 2 Mar 2001 | 25 Mar 2002 | United Kingdom | - |
| John Hamer Wood | Director | 8 Aug 2016 | 30 Jun 2017 | British | 63 years |
| Julian Edwin Rogers | Director | 16 Mar 2009 | 1 Apr 2014 | British | 55 years |
| Keith Damian Pereira | Director | 8 Jan 2019 | 1 May 2024 | British | 47 years |
| Marianne Lake | Director | 8 Mar 2002 | 25 Mar 2002 | Dual British-usa | 56 years |
| Marina Louise Thomas | Secretary | 1 Jun 2003 | 18 Nov 2005 | British | - |
| Michael John Colin Watts | Director | 22 Apr 1996 | 29 Jun 2001 | British | 78 years |
| Neil Jason Mcdaid | Director | 30 Dec 2016 | 31 Jul 2017 | British | 56 years |
| Nigel Pearce | Director | 25 Mar 2002 | 18 Mar 2004 | British | 74 years |
| Nigel Timothy John Clibbens | Director | 1 Apr 2014 | 27 Feb 2015 | British | 66 years |
| Paul Denzil John Sullivan | Director | 31 Jul 2008 | 31 Dec 2013 | British | 59 years |
| Philip Anthony Tubb | Director | 19 May 2004 | 15 Aug 2008 | British | 59 years |
| Phillip Arthur Wichelow | Director | 1 Apr 1997 | 31 Mar 1999 | British | 81 years |
| Rbs Secretarial Services Limited | Corporate Secretary | 31 Oct 2012 | 27 Mar 2019 | United Kingdom | - |
| Roy Francis Warren | Director | 31 Jul 2008 | 1 Apr 2014 | British | 69 years |
| Sharon Jill Caterer | Director | 1 Mar 2004 | 31 Aug 2017 | British | 63 years |
| Simon Peter Ball | Director | 5 Feb 1999 | 1 Dec 2000 | British | 65 years |
| Stephen Paul Nixon | Director | 8 Jan 2019 | 26 Apr 2019 | British | 55 years |
| Steven James Roulston | Director | 21 Sept 2017 | 8 Jan 2019 | British | 48 years |
| Trevor Douglas Crome | Director | 1 Apr 2014 | 28 Jun 2016 | British | 65 years |
| Trevor Vaughan Castledine | Director | 18 Jun 2004 | 19 Jul 2007 | British | 56 years |
| William Vaughan Latter | Director | 25 Mar 2002 | 7 Jun 2004 | British | 68 years |