| A B & C Secretarial Limited | Corporate Nominee Secretary | 3 Mar 1997 | 3 Apr 1997 | United Kingdom | - |
| Alan Richard Teague | Director | 3 Apr 1997 | 11 Dec 2002 | British | 79 years |
| Anthony Montague | Director | 23 Feb 1999 | 8 May 2007 | British | 69 years |
| Bes Trustees Plc | Corporate Director | 14 Jul 2006 | 3 Sept 2014 | United Kingdom | - |
| Filiep Jozef Libeert | Director | 21 Jun 1999 | 29 Feb 2004 | Belgium | 73 years |
| Francis Joseph Eaton | Director | 13 May 1997 | 21 Jun 1999 | British | 87 years |
| Inhoco Formations Limited | Corporate Nominee Director | 3 Mar 1997 | 3 Apr 1997 | United Kingdom | - |
| James Kelsall Smethurst | Director | 13 May 1997 | 31 Mar 1999 | British | 81 years |
| Jeremy Kim Maiden | Director | 11 Dec 2002 | 7 Jun 2005 | British | 65 years |
| John Michael Hilton | Director | 8 May 2007 | 11 Sept 2017 | British | 73 years |
| Jonathan Mark Cheele | Director | 30 Nov 2011 | 3 Jun 2015 | British | 65 years |
| Kathleen Birtwhistle | Director | 11 Dec 2002 | 24 Aug 2006 | British | 71 years |
| Mark Robert Stirzaker | Director | 11 Mar 2004 | 30 Nov 2005 | British | 71 years |
| Mark Robert Stirzaker | Secretary | 1 May 2002 | 30 Nov 2005 | British | - |
| Maurice Alan Jones | Director | 3 Apr 1997 | 1 May 2002 | British | 91 years |
| Neville Harrison | Director | 1 Feb 2011 | 1 Feb 2016 | British | 80 years |
| Neville Harrison | Secretary | 3 Apr 1997 | 1 May 2002 | British | - |
| Neville Harrison | Secretary | 1 Apr 2006 | 11 Sept 2006 | British | - |
| Nicholas Daly | Director | 1 May 2002 | 4 Nov 2005 | British | 68 years |
| Peter John David | Director | 30 Aug 2006 | 14 Nov 2006 | British | 64 years |
| Robert Alexander Robinson | Director | 13 May 1997 | 10 Dec 1998 | British | 76 years |
| Roger Fawcett Boyes | Director | 1 May 2002 | 31 Jul 2006 | British | 82 years |
| Ross Russell Limited | Corporate Director | 9 Aug 2006 | 13 Mar 2015 | United Kingdom | - |
| The Law Debenture Pension Trust Corporation P.l.c. | Corporate Director | 8 Jun 2005 | 30 Nov 2011 | United Kingdom | - |