| Andrew James Lake | Director | 16 Jan 2006 | 17 Apr 2009 | British | 68 years |
| Andrew John Martin | Director | 29 Nov 2004 | 11 Dec 2006 | New Zealander | 69 years |
| Andrew Lee Milner | Director | 13 Jul 2010 | 6 Feb 2013 | British | 57 years |
| Anthony Cunningham | Director | 1 Sept 2003 | 2 Apr 2004 | British | 78 years |
| Barry Samuel Mckay | Director | 1 Sept 2003 | 29 Nov 2004 | British | 64 years |
| Bilal Hashim Lala | Director | 6 Feb 2013 | 30 Aug 2013 | British | 63 years |
| Christopher Charles Webster | Director | 31 Aug 2007 | 11 Apr 2010 | British | 68 years |
| Christopher Victor Fenton | Director | 13 Jul 2010 | 31 Oct 2012 | British | 64 years |
| Clive James Murray Williamson | Director | 29 Nov 2004 | 21 Mar 2005 | British | 77 years |
| David William Rochford | Director | 29 Nov 2004 | 13 Dec 2005 | British | 60 years |
| Geoffrey John Worthington | Director | 1 Sept 2003 | 29 Nov 2004 | British | 69 years |
| Geoffrey Keith Howard Mason | Director | 13 Jun 2003 | 1 Sept 2003 | British | 72 years |
| James Stefan Haluch | Director | 27 Jul 2016 | 26 Feb 2021 | British | 57 years |
| Kjell Konrad Karlsen | Director | 16 Jan 2007 | 31 Aug 2007 | Norwegian | 69 years |
| Margaret Louise Mellor | Director | 13 Jun 2003 | 1 Sept 2003 | British | 66 years |
| Martin Brazier | Director | 1 Sept 2003 | 28 May 2004 | British | 65 years |
| Michael Goldberg | Director | 16 Jan 2006 | 11 Dec 2006 | British | 84 years |
| Michael Stephen Williams | Director | 21 Mar 2005 | 16 Feb 2006 | British | 72 years |
| Nicholas Andrew Sharman | Director | 31 Aug 2007 | 31 Mar 2010 | British | 79 years |
| Nicholas Mark Gregg | Director | 4 Apr 2011 | 31 May 2016 | British | 63 years |
| Peter Short | Director | 16 Oct 2003 | 29 Nov 2004 | British | 71 years |
| Philip William Richardson | Director | 29 Nov 2004 | 31 Mar 2005 | British | 65 years |
| Robert John Doyle | Director | 28 May 2004 | 29 Nov 2004 | British | 71 years |
| Secretariat Services Limited | Corporate Secretary | 13 Jun 2003 | 31 Aug 2007 | United Kingdom | - |
| Stanley John Gyford | Director | 17 Jul 2006 | 30 Sept 2008 | British | 78 years |
| Stephen James Munro | Director | 3 Oct 2008 | 31 Mar 2010 | British | 64 years |
| Stephen James Munro | Director | 12 May 2010 | 21 Jun 2016 | British | 64 years |
| Stephen John Helliwell | Director | 12 Oct 2007 | 7 May 2010 | British | 61 years |
| Stuart Wilson Laird | Director | 11 Dec 2006 | 31 Aug 2007 | British | 73 years |