| Adam Gary Calman | Director | 15 Dec 1999 | 25 Jul 2001 | British | 61 years |
| Amanda Jane Emilia Massie | Director | 6 Oct 2011 | 8 Mar 2013 | British | 56 years |
| Amanda Jane Emilia Massie | Secretary | 7 Aug 2007 | 8 Mar 2013 | British | - |
| Anoop Kang | Director | 26 Feb 2016 | 22 Dec 2016 | British | 52 years |
| Carl Sjogren | Secretary | 30 Jul 2010 | 7 Nov 2011 | - | - |
| Catherine Engmann | Secretary | 7 Aug 2007 | 22 May 2009 | British | - |
| Christine Ann Shaw | Secretary | 17 Jun 2011 | 2 May 2012 | - | - |
| Clifford Chance Secretaries Limited | Corporate Nominee Secretary | 20 Sept 1996 | 5 Dec 1997 | United Kingdom | - |
| David Alun Hughes | Director | 24 Mar 2003 | 7 Aug 2007 | British | 65 years |
| David Frank Tilston | Director | 3 Feb 2011 | 17 Jun 2011 | British | 69 years |
| Giles Stewart Pearson | Director | 8 Aug 2013 | 26 Feb 2016 | British | 58 years |
| Guy Hands | Director | 5 Dec 1997 | 30 Jun 1998 | British | 67 years |
| Guy Hands | Director | 17 Aug 1998 | 15 Dec 1999 | British | 67 years |
| Huntsmoor Nominees Limited | Corporate Secretary | 5 Dec 1997 | 20 Feb 1998 | United Kingdom | - |
| Jennifer Anne Dunstan | Director | 12 Dec 2000 | 24 Oct 2001 | British | 64 years |
| Jeremy Mark Williams | Director | 29 Mar 2017 | 13 Aug 2018 | British | 57 years |
| John Arthur Jasper | Director | 25 Jul 2001 | 13 Jul 2004 | British | 86 years |
| John William Blackstock Butterworth | Director | 7 Jan 1999 | 12 Dec 2000 | British | 74 years |
| Kelly Lee | Secretary | 26 May 2009 | 30 Jul 2010 | British | - |
| Kevin Andrew Young | Director | 7 Aug 2007 | 31 Aug 2010 | British | 67 years |
| Martin Edgar Richards | Nominee Director | 20 Sept 1996 | 5 Dec 1997 | British | 83 years |
| Matthew Clinton Horridge | Director | 12 Sept 2000 | 31 Oct 2006 | British | 59 years |
| Michael Geoffrey Medlicott | Director | 5 Dec 1997 | 23 Aug 2001 | British | 83 years |
| Michael Lynn Hurdelbrink | Director | 6 Jul 1998 | 23 Dec 1998 | British | 83 years |
| Michael Pickard | Director | 5 Dec 1997 | 25 Jul 2001 | British | 93 years |
| Nicky Cobden | Secretary | 2 May 2012 | 29 Aug 2013 | - | - |
| Paul Adrian Rayner | Director | 31 Jan 2013 | 8 Jun 2015 | British | 65 years |
| Paul David England | Director | 20 Sept 2010 | 8 Aug 2013 | British | 56 years |
| Peter David Manning | Director | 31 Oct 2006 | 10 Sept 2007 | British | 71 years |
| Peter John Charlton | Nominee Director | 20 Sept 1996 | 5 Dec 1997 | British | 71 years |
| Phillip Malcolm Russell | Director | 8 Oct 1998 | 8 Oct 2001 | British | 71 years |
| Raymond John Hart | Director | 5 Dec 1997 | 17 Jun 1998 | British | 81 years |
| Riaz Punja | Director | 6 Jul 1998 | 15 Dec 1999 | British | 75 years |
| Richard Harry Cuthbert | Director | 7 Aug 2007 | 5 Oct 2011 | British | 73 years |
| Richard Harry Cuthbert | Director | 7 Aug 2007 | 5 Oct 2011 | British | 73 years |
| Rodney Hewer Harris | Director | 17 Jun 2011 | 25 Jan 2013 | British | 65 years |
| Steven Kenneth Whiting | Director | 25 Jul 2001 | 24 Mar 2003 | British | 71 years |
| Thomas Lee Foreman | Director | 22 Dec 2016 | 26 Oct 2018 | British | 50 years |
| Tjg Secretaries Limited | Corporate Secretary | 20 Feb 1998 | 7 Aug 2007 | United Kingdom | - |