| Alison Margaret Shepley | Secretary | 28 Feb 2008 | 30 Jun 2009 | British | - |
| Am Nominees Limited | Corporate Director | 1 Feb 2006 | 12 Feb 2008 | United Kingdom | - |
| Andrew George Parker | Director | 30 Jun 2009 | 13 Oct 2011 | British | 57 years |
| Andrew Philip Jackson | Director | 5 Mar 2002 | 20 Dec 2003 | British | 75 years |
| Caroline Patricia Higgins | Secretary | 25 Nov 2004 | 10 Feb 2006 | British | - |
| Claudia Suzanne Goodman | Secretary | 10 Feb 2006 | 28 Feb 2008 | British | - |
| Craig Matthew Mcgilvray | Director | 1 Jul 2000 | 12 Feb 2008 | British | 60 years |
| David Johnstone Mccallum | Director | 28 Jun 1989 | 20 Jun 1997 | British | 86 years |
| Dominic Joseph Lavelle | Director | 6 Dec 2004 | 23 Apr 2007 | British | 63 years |
| Douglas James More | Director | 26 Jun 2000 | 14 Jun 2006 | British | 76 years |
| Edward George Smyth | Director | 3 May 2000 | 30 Apr 2004 | British | 72 years |
| Garry James Forster | Secretary | 5 Mar 2002 | 25 Nov 2004 | British | - |
| Ian Edward Jarvis | Director | 21 Dec 2016 | 31 Jan 2018 | British | 55 years |
| James Desmond Barrett | Director | 28 Jun 1989 | 11 Oct 2002 | British | 78 years |
| James Donald | Director | 31 May 1993 | 7 Apr 2000 | British | 71 years |
| James Donald | Secretary | 12 Feb 1992 | 7 Apr 2000 | British | - |
| John James Hemming | Director | 28 Sept 2017 | 1 Jan 2020 | British | 64 years |
| John James Taylor | Director | 24 Jan 2005 | 20 Aug 2007 | British | 66 years |
| John Mcdonough | Director | 12 Feb 2008 | 30 Jun 2009 | British | 75 years |
| John Murdoch Sinclair | Director | 28 Jun 1989 | 12 Feb 1992 | British | 86 years |
| John Murdoch Sinclair | Secretary | 28 Jun 1989 | 12 Feb 1992 | British | - |
| Lee Hewett | Director | 30 Jun 2009 | 10 Jun 2011 | British | 61 years |
| Lisa Ann Oxley | Director | 29 Jul 2015 | 18 May 2016 | British | 52 years |
| Maclay Murray & Spens Llp | Corporate Nominee Secretary | 7 Apr 2000 | 5 Mar 2002 | United Kingdom | - |
| Mark Cook | Director | 1 Jan 2020 | 31 Jul 2021 | British | 66 years |
| Mark Richard John Wyllie | Director | 13 Oct 2011 | 12 Dec 2012 | British | 60 years |
| Nicholas Siegfried Dale | Director | 31 Jan 2018 | 28 May 2021 | British | 56 years |
| Noel Mcnulty | Director | 1 Jan 2003 | 13 Oct 2011 | British | 57 years |
| Peter Edward Hands | Director | 5 Jun 2013 | 30 Apr 2016 | British | 61 years |
| Richard David Mogg | Director | 13 Oct 2011 | 29 Jun 2012 | British | 50 years |
| Richard John Adam | Director | 12 Feb 2008 | 30 Jun 2009 | British | 69 years |
| Richard John Shearer | Director | 4 Jun 2013 | 31 Dec 2016 | British | 62 years |
| Rodney Hewer Harris | Director | 14 Mar 2008 | 30 Jun 2009 | British | 65 years |
| Roger William Robinson | Director | 12 Feb 2008 | 30 Jun 2009 | British | 75 years |
| Scott Michael Frewing | Director | 27 Jul 2021 | 28 Mar 2024 | British | 51 years |
| Simon Christopher Pilling | Director | 30 Jun 2009 | 10 Jan 2011 | British | 64 years |
| Stephen Paul Connor | Director | 14 Mar 2008 | 30 Jun 2009 | British | 76 years |
| Stewart Donald Mackerracher | Director | 1 Jan 2003 | 19 May 2006 | British | 66 years |
| Thomas Donald Kenny | Director | 14 Mar 2008 | 30 Jun 2009 | Irish | 72 years |
| William Alexander Loch | Director | 1 Jul 2000 | 1 Oct 2004 | British | 67 years |
| William James Spencer Floydd | Director | 11 Oct 2012 | 17 Jun 2013 | British | 57 years |
| William Macdonald Allan | Director | 2 Jun 1997 | 31 Mar 2005 | British | 66 years |