| Adrian John Bannister | Director | 14 Mar 2008 | 5 Aug 2010 | British | 62 years |
| Andrew Lundie Glen | Director | 1 Sept 2011 | 17 Sept 2014 | British | 63 years |
| Benjamin Charles Alexander | Director | 31 Mar 2008 | 26 Sept 2011 | British | 58 years |
| Douglas Alan Sedge | Director | 25 Nov 2009 | 7 Apr 2014 | British | 71 years |
| Graham Thomson | Director | 25 Nov 2009 | 30 Jun 2010 | British | 67 years |
| Iain Robert Slater | Director | 9 Jul 2010 | 26 Sept 2011 | British | 60 years |
| John Robert Jordan | Director | 14 Mar 2008 | 25 Nov 2009 | American | 70 years |
| Leigh James Howarth | Director | 10 Jan 2011 | 31 Aug 2011 | British | 62 years |
| Maclay Murray & Spens Llp | Corporate Nominee Secretary | 7 Nov 2007 | 7 Feb 2011 | United Kingdom | - |
| Martin John Brayshaw | Director | 10 Jan 2011 | 24 Oct 2012 | British | 71 years |
| Md Secretaries Limited | Corporate Secretary | 15 Feb 2011 | 5 Nov 2012 | United Kingdom | - |
| Neil Austin Johnson | Director | 17 Sept 2014 | 17 May 2023 | British | 57 years |
| Robin Hunter Pinchbeck | Director | 25 Nov 2009 | 24 Oct 2012 | British | 74 years |
| Simon Roger Wildig | Director | 31 Mar 2008 | 9 Jul 2010 | British | 68 years |
| Stewart Andrew Alan Mitchell | Director | 7 Apr 2014 | 17 May 2023 | British | 60 years |
| Vindex Limited | Corporate Nominee Director | 7 Nov 2007 | 14 Mar 2008 | United Kingdom | - |
| Vindex Services Limited | Corporate Nominee Director | 7 Nov 2007 | 14 Mar 2008 | United Kingdom | - |
