| Alan Campbell Ritchie | Director | 7 Jun 2007 | 14 Oct 2009 | British | 59 years |
| Andrew Craig Mason | Director | 9 Jun 2003 | 6 Jul 2004 | British | 51 years |
| Andrew David Darling | Director | 20 Dec 2002 | 9 Jun 2003 | British | 65 years |
| Biif Corporate Services Limited | Corporate Director | 4 Mar 2011 | 25 Jan 2016 | United Kingdom | - |
| Biif Corporate Services Ltd | Corporate Director | 1 Oct 2009 | 1 Aug 2010 | United Kingdom | - |
| Burness (directors) Limited | Corporate Nominee Director | 20 Apr 1999 | 18 Aug 1999 | United Kingdom | - |
| Burness Solicitors | Corporate Nominee Secretary | 20 Apr 1999 | 20 Dec 2002 | - | - |
| David Fulton Gilmour | Director | 4 Mar 2011 | 2 Dec 2021 | British | 63 years |
| Donald Archibald Mckinnon | Director | 5 Aug 2003 | 1 Oct 2009 | British | 74 years |
| Faraidon Saheb-zadha | Director | 1 Aug 2010 | 4 Mar 2011 | British | 48 years |
| Guy Roland Marc Pigache | Director | 18 Aug 1999 | 12 Dec 2002 | British | 66 years |
| James Edward Hall Smith | Director | 12 Dec 2002 | 20 Dec 2002 | British | 57 years |
| John Christian Elliot | Director | 20 Dec 2002 | 31 Dec 2008 | British | 74 years |
| John David George Perks | Director | 20 Aug 2004 | 14 Jun 2007 | British | 82 years |
| John Ivor Cavill | Director | 14 Oct 2009 | 4 Mar 2011 | British | 54 years |
| Md Secretaries Limited | Corporate Nominee Secretary | 20 Dec 2002 | 19 Dec 2008 | United Kingdom | - |
| Peter John Sheldrake | Director | 2 Dec 2021 | 14 Nov 2023 | British | 67 years |
| Rupert Victor Bruce | Director | 18 Aug 1999 | 20 Dec 2002 | British | 77 years |