| Alan Campbell Ritchie | Director | 13 Mar 2009 | 14 Oct 2009 | British | 58 years |
| Andrew David Cowan | Director | 31 Oct 2010 | 9 Nov 2010 | British | 59 years |
| Andrew Scott Richards | Director | 17 Aug 2004 | 11 May 2006 | British | 53 years |
| Biif Corporate Services Limited | Corporate Director | 28 Feb 2013 | 26 Sept 2016 | United Kingdom | - |
| Bryan Michael Acutt | Director | 26 Sept 2016 | 29 Apr 2024 | British | 46 years |
| Christopher John Brook | Director | 29 Jun 2007 | 9 Apr 2008 | British | 66 years |
| Colin Philip Maloney | Director | 29 Aug 2008 | 15 May 2009 | British | 67 years |
| David Fulton Gilmour | Director | 27 Jul 2012 | 26 Nov 2021 | British | 62 years |
| David John Kilgour | Director | 6 Jul 2000 | 2 May 2008 | British | 64 years |
| David Leonard Fuller | Director | 14 Sept 2006 | 12 Apr 2007 | British | 65 years |
| David Leonard Fuller | Director | 2 May 2008 | 18 Aug 2008 | British | 65 years |
| Duncan John Lucas Bates | Director | 9 Nov 2010 | 23 Dec 2010 | British | 67 years |
| Gordon Arthur Ivan Waters | Director | 6 Jul 2000 | 1 Nov 2001 | British | 78 years |
| Gordon Ross Clark | Director | 16 Aug 2019 | 31 Mar 2023 | British | 62 years |
| Graham Robinson Keegan | Director | 15 May 2009 | 31 Oct 2010 | British | 67 years |
| John Alexander Hope | Director | 6 Jul 2000 | 11 Dec 2000 | British | 68 years |
| John Alexander Hope | Director | 11 May 2006 | 20 Dec 2006 | British | 68 years |
| John Anthony Barnes | Director | 2 May 2008 | 18 Aug 2008 | British | 71 years |
| John Findlay Mcfadzean | Director | 11 Dec 2000 | 17 Aug 2004 | British | 77 years |
| John Findlay Mcfadzean | Director | 28 Aug 2009 | 1 Nov 2013 | British | 77 years |
| John Ivor Cavill | Director | 1 Nov 2013 | 29 Apr 2024 | British | 53 years |
| John Wrinn | Director | 26 Nov 2021 | 30 Jan 2023 | British | 63 years |
| Jonathan Clark | Director | 6 Jul 2000 | 21 Oct 2003 | British | 71 years |
| Jonathan Clark | Director | 21 Oct 2003 | 14 Sept 2006 | British | 71 years |
| Leslie Anthony Bell | Director | 1 Nov 2001 | 21 Oct 2003 | British | 75 years |
| Leslie Anthony Bell | Director | 15 May 2009 | 9 Nov 2010 | British | 75 years |
| Macroberts - (firm) | Corporate Nominee Secretary | 26 Apr 2000 | 14 Apr 2008 | - | - |
| Macroberts Corporate Services Limited | Corporate Nominee Director | 26 Apr 2000 | 6 Jul 2000 | United Kingdom | - |
| Malcolm Richard Saunders | Director | 9 Nov 2010 | 5 May 2015 | British | 67 years |
| Matthew Reginald Wright | Director | 12 Apr 2007 | 13 May 2008 | British | 60 years |
| Michael John Edwards | Director | 29 Aug 2008 | 15 May 2009 | British | 70 years |
| Michael Robert Smith | Director | 13 Sept 2002 | 24 Jan 2006 | British | 76 years |
| Nicholas Huson Scott-barrett | Director | 30 Jun 2004 | 9 Jan 2009 | British | 75 years |
| Nigel John Paterson | Director | 5 May 2015 | 16 Aug 2019 | British | 68 years |
| Nigel Stuart Jones | Director | 30 Jun 2004 | 29 Jun 2007 | British | 71 years |
| Nigel Wythen Middleton | Director | 14 Oct 2009 | 18 Feb 2013 | British | 69 years |
| Patrick Raymond Jeantet | Director | 6 Jul 2000 | 30 Jun 2004 | French | 65 years |
| Robert Souter Fullerton | Director | 6 Jul 2000 | 13 Sept 2002 | British | 73 years |
| Robert Souter Fullerton | Director | 24 Jan 2006 | 11 May 2006 | British | 73 years |
| Roderick Mark Prime | Director | 11 May 2006 | 20 Dec 2006 | British | 59 years |
| Ronald Gilfillan Jack | Director | 13 Dec 2007 | 18 Sept 2009 | British | 70 years |
| Scott Campbell Derby | Director | 21 Oct 2003 | 30 Jun 2004 | Usa | 58 years |