| Alasdair Murray Macconnell | Director | 17 Dec 2004 | 23 Jun 2010 | British | 66 years |
| Gerry Campbell More | Director | 27 Jan 2009 | 31 Mar 2011 | British | 64 years |
| James Simon Holte Houlston | Director | 17 Dec 2004 | 8 Sept 2010 | British | 51 years |
| John Francis Brophy | Director | 28 Feb 2006 | 15 Aug 2008 | British | 57 years |
| John Graham Gunn Reid | Director | 22 Jun 2010 | 7 Nov 2016 | British | 61 years |
| Karen Linda Naysmith | Director | 17 Dec 2004 | 28 Feb 2006 | British | 51 years |
| Ledge Services Limited | Corporate Nominee Director | 28 Oct 2004 | 17 Dec 2004 | United Kingdom | - |
| Ledingham Chalmers | Corporate Nominee Secretary | 28 Oct 2004 | 1 Apr 2006 | - | - |
| Paul John Devine | Director | 15 Aug 2008 | 27 Jan 2009 | British | 62 years |
| Robert James Millar | Director | 31 Mar 2011 | 11 Jan 2016 | British | 72 years |
| Simon Lister Holte Houlston | Director | 17 Dec 2004 | 8 Sept 2010 | British | 81 years |