| Alistair Barclay Wilson | Director | 15 Jun 2007 | 6 Jul 2009 | British | 83 years |
| Andrew Dominic Pinto | Director | 31 Mar 2010 | 15 Oct 2016 | British | 57 years |
| Anthony Thomas Clarke | Director | 21 Jan 2005 | 25 May 2010 | British | 71 years |
| Donald Ross Macdonald | Director | 30 Oct 2003 | 20 Apr 2005 | British | 87 years |
| Donald Ross Macdonald | Director | 20 Jun 2005 | 15 Jun 2007 | British | 87 years |
| George Edward Glover | Director | 21 Jan 2005 | 25 May 2010 | British | 78 years |
| Jonathan Edward Rhodes | Director | 1 Aug 2015 | 12 Feb 2016 | British | 48 years |
| Jonathan Martin Austen | Director | 6 Jul 2009 | 1 Jul 2016 | British | 69 years |
| Lindsay Allison Fraser | Director | 6 Jul 2009 | 24 Jun 2011 | British | 44 years |
| Miranda Anne Kelly | Director | 30 Oct 2003 | 20 Apr 2005 | British | 55 years |
| Miranda Anne Kelly | Director | 20 Jun 2005 | 28 Jun 2013 | British | 55 years |
| Moira Chapman Mccall | Secretary | 20 Apr 2005 | 23 Oct 2006 | British | - |
| Oswalds Of Edinburgh Limited | Corporate Nominee Secretary | 30 Oct 2003 | 30 Oct 2003 | United Kingdom | - |
| Park Circus (secretaries) Limited | Corporate Secretary | 30 Oct 2003 | 20 Apr 2005 | - | - |
| Paul Anthony Denis Gilliver | Director | 21 Jan 2005 | 7 Sept 2007 | British | 74 years |
| Paul Brocklehurst | Director | 1 Aug 2015 | 26 May 2020 | British | 60 years |
| Thomas Gerard Walsh | Director | 6 Jul 2009 | 1 Jul 2013 | Irish | 64 years |