| Andrew Sutherland | Director | 13 Nov 1996 | 28 Feb 2001 | British | 64 years |
| Bruce Watson Minto | Nominee Director | 4 Sept 1996 | 13 Nov 1996 | British | - |
| David Robinson | Director | 13 Nov 1996 | 23 Sept 1997 | United Kingdom | 62 years |
| Dm Company Services Limited | Corporate Nominee Secretary | 4 Sept 1996 | 13 Nov 1996 | United Kingdom | - |
| Donald William Borland | Director | 20 Aug 2007 | 1 Jul 2011 | British | 59 years |
| Euan James Donaldson | Secretary | 13 Nov 1996 | 22 Nov 1999 | British | - |
| Euan James Edward Haggerty | Director | 1 Jul 2011 | 30 Jun 2017 | British | 48 years |
| Frederic Mark Hewett | Director | 25 Aug 2005 | 15 Jun 2013 | British | 62 years |
| John Allan Campbell Wheeler | Director | 13 Nov 1996 | 9 Mar 2004 | British | 90 years |
| John Charles Marsh | Director | 1 Oct 2008 | 27 Jun 2012 | British | 66 years |
| John Frederick Laker | Director | 16 Dec 1998 | 26 Sept 2008 | British | 79 years |
| Julie Mansfield Jackson | Director | 18 Mar 2005 | 25 Aug 2005 | British | 60 years |
| Lester Paul Hampson | Director | 13 Nov 1996 | 26 Mar 2004 | British | 64 years |
| Marie Bernadette O'reilly-neenan | Director | 1 Oct 2008 | 5 Nov 2009 | Irish | 59 years |
| Marlene Wood | Director | 12 Nov 2002 | 29 May 2009 | British | 63 years |
| Nicholas John Harris | Director | 23 Sept 1997 | 4 Nov 1999 | British | 73 years |
| Nicholas John Harris | Director | 28 Feb 2001 | 30 Jul 2002 | British | 73 years |
| Pamela June Smyth | Secretary | 22 Nov 1999 | 16 May 2012 | British | - |
| Philip Edward Anderson | Director | 13 Nov 1996 | 16 Dec 1998 | British | 89 years |
| Philip Hartley Miller | Director | 13 Nov 1996 | 31 May 2015 | British | 69 years |
| Richard John Wise | Director | 1 Oct 2008 | 12 May 2011 | British | 62 years |
| Roderick Lawrence Bruce | Nominee Director | 4 Sept 1996 | 13 Nov 1996 | British | 77 years |
| Simon Frost | Director | 30 Jul 2002 | 18 Mar 2005 | British | 70 years |