| Alan Keith Simpson | Director | 3 Mar 1997 | 31 Dec 1998 | British | 86 years |
| Alistair John Beeston | Director | 7 Feb 1997 | 30 Sept 1998 | British | 84 years |
| Andrew Hampden Hobart | Director | 1 Jan 2002 | 17 Nov 2005 | British | 64 years |
| Aviva Company Secretarial Services Limited | Corporate Secretary | 30 Jun 2005 | 27 Apr 2006 | United Kingdom | - |
| Christopher John Cundy | Director | 27 Apr 2006 | 13 Dec 2007 | British | 65 years |
| Christopher Paul Sullivan | Director | 18 Nov 1999 | 1 Aug 2001 | British | 69 years |
| David Allistair Galloway | Director | 12 Feb 1993 | 19 Dec 1994 | British | 81 years |
| David Michael Smith | Director | 31 Dec 1998 | 13 Sept 2004 | British | 73 years |
| Eion Arthur Mcmorran Flint | Director | 1 Aug 2001 | 4 Jan 2005 | British | 74 years |
| Elaine Richardson | Secretary | 5 Jun 1997 | 26 Jun 1998 | British | - |
| Elizabeth Irvine Reid Jonsson | Secretary | 21 Jul 2000 | 1 Mar 2002 | British | - |
| Frances Carey | Director | 24 Nov 2005 | 6 Dec 2005 | British, Canadian | 73 years |
| Franco Martinelli | Director | 9 Jul 2010 | 28 Nov 2016 | British | 66 years |
| James Richard Parker | Director | 28 Nov 2016 | 16 Jan 2020 | British | 49 years |
| Jeffrey Johnson | Director | 7 Feb 1997 | 8 Nov 1999 | British | 81 years |
| John Douglas Purdy | Director | 12 Feb 1993 | 31 Dec 1996 | British | 89 years |
| John Richard Davies | Director | 31 Mar 2007 | 28 Nov 2016 | British | 63 years |
| Malcolm Hugh Melvin Ogle | Director | 1 Aug 1995 | 25 Oct 1996 | British | 82 years |
| Mark Jonathan Lewis | Director | 17 Nov 2005 | 27 Apr 2006 | British | 61 years |
| Mark Lees Young | Secretary | 12 Feb 1993 | 5 Jun 1997 | British | - |
| Mark Lees Young | Secretary | 26 Jun 1998 | 22 May 2000 | British | - |
| Martin Edward Powell | Director | 30 Sept 1998 | 28 May 1999 | British | 71 years |
| Matthew Paul Jowett | Secretary | 27 Apr 2006 | 9 Jul 2010 | British | - |
| Matthew Thomas Abbott | Director | 9 Nov 2017 | 11 Dec 2019 | British | 48 years |
| Nicholas James William Borrett | Secretary | 27 Jul 2012 | 21 Nov 2012 | - | - |
| Nigel Timothy John Clibbens | Director | 5 May 2004 | 24 Nov 2005 | British | 67 years |
| Pamela Mary Coles | Director | 13 Sept 2004 | 30 Jun 2005 | British | 65 years |
| Pamela Mary Coles | Secretary | 22 May 2000 | 21 Jul 2000 | British | - |
| Pamela Mary Coles | Secretary | 1 Mar 2002 | 30 Jun 2005 | British | - |
| Peter Cosgrove | Director | 19 Dec 1994 | 3 Mar 1997 | British | 74 years |
| Peter Higgins | Director | 28 May 1999 | 30 Mar 2000 | British | 73 years |
| Peter Robert Harris | Director | 19 Dec 1994 | 31 Dec 2001 | British | 75 years |
| Peter Robert Harris | Director | 30 Jun 2005 | 27 Apr 2006 | British | 75 years |
| Philip James Harrison | Director | 13 Dec 2007 | 9 Jul 2010 | British | 65 years |
| Richard Hewitt Taylor | Director | 28 Nov 2016 | 9 Nov 2017 | British | 65 years |
| Richard Mark Priestman | Director | 4 Jan 2005 | 24 Nov 2005 | British | 70 years |
| Robert Duncan Brodie | Director | 30 Mar 2000 | 5 May 2004 | British | 61 years |
| Ronald James Young | Director | 12 Feb 1993 | 1 Aug 1995 | British | 93 years |
| Simon Edward Tarrant | Director | 27 Apr 2006 | 31 Mar 2007 | British | 74 years |
| Valerie Francine Anne Teller | Secretary | 9 Jul 2010 | 27 Jul 2012 | - | - |