| Alister James Mcgregor | Director | 20 Apr 2011 | 18 Jan 2013 | British | 68 years |
| Andrew Charles Webster | Director | 18 Jan 2013 | 28 May 2017 | British | 45 years |
| Charles Dorsey Mackay | Director | 1 Apr 2009 | 20 Apr 2011 | British | 86 years |
| David Miller Kemp | Director | 19 Apr 2013 | 1 Feb 2015 | British | 56 years |
| Duncan Ross Skinner | Director | 27 Oct 2005 | 19 Apr 2013 | British | 69 years |
| George Edward Watkins | Director | 23 May 2006 | 20 Apr 2011 | British | 83 years |
| Iain Angus Jones | Secretary | 18 Dec 2015 | 12 Jun 2024 | - | - |
| Ledge Services Limited | Corporate Nominee Director | 8 Aug 2005 | 27 Oct 2005 | United Kingdom | - |
| Ledingham Chalmers | Corporate Nominee Secretary | 8 Aug 2005 | 19 Apr 2006 | - | - |
| Md Secretaries Limited | Corporate Nominee Secretary | 20 Apr 2006 | 20 Apr 2011 | United Kingdom | - |
| Nigel Sandford Johnson Moore | Director | 29 Nov 2006 | 20 Apr 2011 | British | 82 years |
| Robert Keiller | Director | 27 Oct 2005 | 20 Apr 2011 | British | 62 years |
| Robert Muirhead Birnie Brown | Secretary | 20 Apr 2011 | 18 Dec 2015 | British | - |