| Aberdein Considine & Co | Corporate Secretary | 7 Feb 1989 | 13 May 2005 | United Kingdom | - |
| Alexander Bruce Mair | Director | 8 Mar 2010 | 26 Oct 2011 | British | 71 years |
| Alexander Bruce Mair | Secretary | 8 Mar 2010 | 26 Oct 2011 | British | - |
| Andrew Bruce | Director | 22 Mar 2006 | 18 Apr 2007 | British | 68 years |
| Bruce William Gill | Director | 18 Apr 2007 | 4 Nov 2009 | British | 58 years |
| Catherine Gillian Charles | Secretary | 5 Jul 2012 | 28 Apr 2016 | - | - |
| Christopher Mcgeehan | Director | 18 Apr 2007 | 31 Dec 2009 | British | 64 years |
| Christopher Mcgeehan | Director | 8 Sept 2014 | 31 Jan 2016 | British | 64 years |
| Daniel Leith Donald | Director | 7 Feb 1989 | 3 Mar 1999 | Scottish | 71 years |
| David Charles Knights | Director | 26 Oct 2011 | 22 Jun 2021 | British | 73 years |
| David John Soper | Director | 8 Mar 2010 | 12 Sept 2012 | British | 61 years |
| David William Mair | Director | 1 Feb 2000 | 13 May 2005 | Scottish | 66 years |
| Derek Charles Armstrong | Director | 1 Feb 2000 | 1 Dec 2003 | British | 63 years |
| Derrick Reith | Director | 4 Jul 2013 | 14 Apr 2014 | British | 59 years |
| Eric Alexander Scott | Director | 1 Feb 2000 | 1 Nov 2000 | British | 68 years |
| Ian Stuart Rogers | Director | 26 Oct 2011 | 27 Jan 2022 | British | 62 years |
| James Manson | Director | 7 Feb 1989 | 13 May 2005 | British | 75 years |
| John Graham Burgess | Director | 18 Apr 2007 | 30 Nov 2009 | British | 73 years |
| Julie Elizabeth Cowie | Director | 18 Apr 2007 | 30 Nov 2009 | British | 58 years |
| Keith Moorhouse | Director | 27 Jan 2022 | 25 Jun 2025 | British | 59 years |
| Kurt Dahl Mathiasen | Secretary | 28 Apr 2016 | 24 Dec 2021 | - | - |
| Md Secretaries Limited | Corporate Nominee Secretary | 1 Apr 2006 | 18 Apr 2007 | United Kingdom | - |
| Michael Duckett | Director | 2 Sept 2002 | 31 May 2004 | British | 71 years |
| Philip Bond | Director | 26 Oct 2011 | 22 Jun 2021 | British | 84 years |
| Raeburn Christie Clark & Wallace | Corporate Secretary | 18 Apr 2007 | 8 Mar 2010 | United Kingdom | - |
| Raymond David Criggie | Director | 1 Apr 1990 | 15 Nov 1996 | British | 64 years |
| Robert Gordon Forbes | Director | 13 May 2005 | 18 Apr 2007 | British | 67 years |
| Roderick James Macgregor | Director | 8 Mar 2010 | 26 Oct 2011 | British | 74 years |
| William Hamilton | Director | 8 Mar 2010 | 26 Oct 2011 | British | 80 years |
