| Andrew George Parker | Director | 10 Feb 2010 | 13 Oct 2011 | British | 57 years |
| Andrew John Bowman | Director | 1 Feb 2018 | 3 Jul 2018 | British | 54 years |
| Anthony Edward Sauerman | Secretary | 19 Feb 1997 | 17 Nov 2000 | British | - |
| Anthony Maxwell Pell | Director | 15 Nov 2007 | 22 Jan 2009 | British | 65 years |
| Capita Company Secretarial Services Limited | Corporate Secretary | 1 Nov 2005 | 1 Dec 2008 | - | - |
| Charles Cairns Auld | Director | 8 Jan 2003 | 23 Dec 2004 | British | 83 years |
| Douglas Lindsay Hay Laver | Director | 22 Jan 2009 | 10 Feb 2010 | British | 61 years |
| Emma Louise Pearson | Director | 22 May 2013 | 19 Jun 2014 | British | 54 years |
| Eugene Gerard Hayes | Director | 6 Apr 1998 | 11 Jul 2005 | Irish | 71 years |
| Francesca Anne Todd | Director | 20 May 2016 | 10 Dec 2021 | British | 55 years |
| Gordon Mark Hurst | Director | 11 Jul 2005 | 31 Mar 2008 | British | 64 years |
| Gordon Mark Hurst | Secretary | 11 Jul 2005 | 31 Oct 2005 | British | - |
| Gregory Kenneth Nicol | Secretary | 17 Nov 2000 | 19 Nov 2004 | British | - |
| Ian Richard Smith | Director | 4 Jan 2005 | 11 Jul 2005 | British | 72 years |
| Jacqueline Millan | Director | 1 Mar 2007 | 15 Nov 2007 | British | 60 years |
| James D'arcy Vincent | Director | 19 Jun 2014 | 20 May 2016 | British | 60 years |
| Jason Edward Powell | Director | 13 Oct 2011 | 22 May 2013 | British | 57 years |
| Luke Talbutt | Secretary | 18 Sept 1996 | 19 Feb 1997 | British | - |
| Margaret Janet Bloom | Director | 9 Apr 1996 | 18 Sept 1996 | British | 83 years |
| Nicolas Norman Bedford | Director | 11 Jul 2014 | 1 Feb 2018 | British | 67 years |
| Paul Murphy | Director | 2 Jan 1998 | 11 Jul 2005 | British | 77 years |
| Paul Richard Martin Pindar | Director | 11 Jul 2005 | 31 Mar 2008 | British | 67 years |
| Peter Mark Franklin | Director | 19 Jun 2014 | 11 Jul 2014 | British | 50 years |
| Rajesh Mistry | Director | 15 Nov 2007 | 3 Sept 2008 | British | 58 years |
| Roderick Mckinnon | Director | 18 Sept 1996 | 2 Jan 1998 | British | 76 years |
| Sisec Limited | Corporate Nominee Secretary | 9 Apr 1996 | 18 Sept 1996 | United Kingdom | - |
| Stephen John Collier | Director | 18 Sept 1996 | 11 Jul 2005 | British | 69 years |
| Stephen John Collier | Secretary | 19 Nov 2004 | 11 Jul 2005 | British | - |
| Timothy John Flanagan | Director | 15 Nov 2007 | 19 Jan 2010 | British | 58 years |
| Victor Gysin | Director | 22 Jan 2009 | 10 Feb 2010 | British | 61 years |
| Wendy Gill | Director | 18 Sept 1996 | 31 Dec 2003 | British | 67 years |
| William Augustus Guy | Director | 9 Apr 1996 | 18 Sept 1996 | British | 71 years |