| Alan Ronald Cook | Director | 12 Dec 2000 | 28 Jun 2002 | British | 72 years |
| Angus John Robertson | Director | 30 Jun 1999 | 12 Dec 2000 | British | 72 years |
| Anthony Simon Echalaz Allen | Director | 29 Feb 2008 | 31 Dec 2009 | British | 68 years |
| Brian Willian Hurd | Director | 4 Aug 2004 | 2 Nov 2006 | United Kingdom | 63 years |
| David Charles Ian Harding | Director | 17 Dec 1999 | 30 Jun 2000 | British | 69 years |
| David John Belsham | Director | 12 Dec 2000 | 7 Jul 2014 | British | 66 years |
| Finbar Anthony O'dwyer | Director | 5 Jan 2009 | 24 May 2013 | Irish | 54 years |
| Gary Paul John Shaughnessy | Director | 21 Feb 2008 | 25 Sept 2008 | British | 59 years |
| Gavin Macneill Stewart | Director | 22 Jun 1999 | 17 Dec 1999 | British | 66 years |
| Gregory Mark Wood | Director | 31 Oct 2001 | 29 Jul 2003 | British | 72 years |
| Ian Bothamley | Director | 8 Dec 2022 | 4 Dec 2023 | British | 51 years |
| James Charles Mitchell | Director | 11 Nov 1998 | 2 Jun 1999 | British | 85 years |
| James White Jack | Director | 13 May 1998 | 12 Dec 2000 | British | 74 years |
| James White Jack | Director | 29 Jul 2003 | 30 Jul 2004 | British | 74 years |
| Jennifer Anne Owens | Director | 26 Jun 2018 | 30 Nov 2022 | British | 55 years |
| Jeremy Spencer Deeks | Director | 13 Jan 2014 | 30 Mar 2018 | British | 55 years |
| John Kenneth Elbourne | Director | 27 Mar 1997 | 11 Nov 1998 | British | 81 years |
| John Warburton | Director | 20 Aug 2013 | 22 Sept 2017 | British | 66 years |
| Keith Leonard Bedell Pearce | Director | 9 May 1992 | 30 Jun 1997 | British | 79 years |
| Kelvin Nunn | Director | 7 Apr 2010 | 23 Aug 2013 | British | 68 years |
| Maria Luisa Cassoni | Director | 30 Dec 1996 | 6 May 1998 | British | 74 years |
| Michael James Lifford Macnaughtan Hawes | Director | 9 Oct 2017 | 20 Feb 2019 | British | 61 years |
| Michael John Moores | Director | 12 Dec 2000 | 2 Sept 2002 | British | 69 years |
| Morag Helen Sheppard | Director | 22 Jan 2007 | 31 Mar 2008 | British | 70 years |
| Neil Anthony Berkett | Director | 1 Jul 2002 | 20 Jun 2003 | New Zealander | 70 years |
| Peter Nicholas Hanby | Director | 25 Apr 1994 | 30 Dec 1996 | British | 76 years |
| Prudential Group Secretarial Services Limited | Corporate Secretary | 31 Oct 2001 | 4 Oct 2019 | United Kingdom | - |
| Richard Charles Everett | Director | 29 Jul 2003 | 19 May 2006 | British | 60 years |
| Richard Webster | Director | 26 Jun 2018 | 31 May 2019 | British | 51 years |
| Robert Walker | Secretary | 9 May 1992 | 17 Dec 1999 | British | - |
| Robert Walker | Secretary | 5 Feb 2001 | 31 Oct 2001 | British | - |
| Rosemary Harris | Director | 30 Oct 2006 | 2 Feb 2007 | British | 67 years |
| Roy Macdonald Nicolson | Director | 11 Nov 1998 | 12 Dec 2000 | British | 81 years |
| Timothy James William Tookey | Director | 2 Sept 2002 | 1 Aug 2003 | British | 63 years |
| Trevor Keith Pullen | Director | 9 May 1992 | 25 Apr 1994 | British | 77 years |
| Vanessa Frances Ruparel | Secretary | 17 Dec 1999 | 5 Feb 2001 | British | - |
| William John Robertson | Director | 11 Nov 1998 | 30 Jun 1999 | British | 72 years |