| Alexander Alister Macdonald | Director | 1 Sept 1997 | 24 Sept 2003 | British | 68 years |
| Alexander Alister Macdonald | Secretary | 1 Sept 1997 | 21 Oct 1999 | British | - |
| Archibald Anderson Bethel | Director | 29 Nov 1996 | 31 Aug 2003 | British | 73 years |
| Bernard George Phimister | Director | 29 Nov 1996 | 31 Jan 2004 | British | 80 years |
| Callum Anthony Gough | Director | 20 Aug 2001 | 22 Aug 2003 | British | 66 years |
| Craig Richard Gallagher | Director | 20 Aug 2001 | 25 Mar 2011 | British | 53 years |
| David Sturrock | Director | 25 Mar 2011 | 26 Apr 2013 | British | 66 years |
| Duncan Dargie Mcdougall | Director | 12 Dec 2016 | 16 Mar 2020 | British | 63 years |
| Gordon William Kerr | Director | 12 Mar 2007 | 25 Mar 2011 | British | 57 years |
| Gordon William Kerr | Secretary | 20 Apr 2007 | 25 Mar 2011 | British | - |
| Gwynne David Roberts | Director | 29 Nov 1996 | 21 Oct 1999 | British | 88 years |
| Hugh Norman Roberts | Director | 29 Nov 1996 | 21 Oct 1999 | British | 67 years |
| Hugh Norman Roberts | Director | 25 Mar 2011 | 12 Jun 2023 | British | 67 years |
| Ian Morton Montgomerie | Director | 1 Jan 2003 | 17 Oct 2003 | British | 59 years |
| Ian Morton Montgomerie | Secretary | 6 Dec 2002 | 17 Oct 2003 | British | - |
| Maclay Murray & Spens Llp | Corporate Nominee Secretary | 28 Nov 1996 | 29 Nov 1996 | United Kingdom | - |
| Mark John Derry | Director | 26 Apr 2013 | 10 Jul 2015 | British | 65 years |
| Michael Hugh Hayes | Director | 17 Oct 2003 | 20 Apr 2007 | British | 75 years |
| Norman Darroch | Director | 29 Nov 1996 | 31 Oct 2003 | British | 74 years |
| Owen Polland | Director | 17 Oct 2003 | 20 Apr 2007 | British | 76 years |
| Owen Polland | Secretary | 17 Oct 2003 | 1 Jul 2004 | British | - |
| Paul White | Director | 2 Apr 2000 | 18 Dec 2002 | British | 58 years |
| Paul White | Secretary | 21 Oct 1999 | 6 Dec 2002 | British | - |
| Robert Herd Hamilton | Secretary | 1 Jul 2004 | 20 Apr 2007 | British | - |
| Robert Hutcheson | Director | 25 Mar 2011 | 4 Oct 2011 | British | 56 years |
| Sandy Smart | Director | 4 Nov 2014 | 22 Dec 2015 | British | 65 years |
| Sandy Smart | Director | 2 Sept 2019 | 13 May 2025 | British | 65 years |
| Steven Richard Harrison | Director | 15 Dec 2008 | 15 Dec 2008 | British | 70 years |
| Stewart Robert Watson | Director | 29 Nov 1996 | 1 Sept 1997 | British | 58 years |
| Stewart Robert Watson | Secretary | 29 Nov 1996 | 1 Sept 1997 | British | - |
| Vindex Limited | Corporate Nominee Director | 28 Nov 1996 | 29 Nov 1996 | United Kingdom | - |
| Vindex Services Limited | Corporate Nominee Director | 28 Nov 1996 | 29 Nov 1996 | United Kingdom | - |