| Adrian Joseph Chatterton | Director | 10 Dec 2012 | 1 Nov 2022 | British | 63 years |
| Alan Paul Raymant | Director | 21 Nov 2002 | 11 Nov 2003 | British | 63 years |
| Alice Kyne Delahunty | Director | 22 Oct 2015 | 31 Mar 2018 | Irish | 45 years |
| Andrew Mark Murfin | Director | 20 May 2005 | 28 Jun 2007 | British | 60 years |
| Andrew William Wood | Director | 10 Feb 2000 | 5 Jun 2000 | British | 73 years |
| Anna Maria Catharina Goedmakers | Director | 10 Feb 2000 | 12 Nov 2002 | Dutch | 78 years |
| Bart Hoefakker | Director | 20 May 2005 | 28 Jun 2007 | Dutch | 60 years |
| Chantal Thomas | Secretary | 3 May 2001 | 1 Jul 2002 | British | - |
| Christopher William Morris | Director | 3 Nov 1999 | 30 Jun 2003 | British | 79 years |
| Daniel Steven Shaw | Director | 16 Jan 2007 | 10 Dec 2012 | British | 68 years |
| Daniel Steven Shaw | Director | 22 Oct 2015 | 1 Mar 2017 | British | 68 years |
| David Allen Farrier | Director | 3 Nov 1999 | 21 Nov 2002 | British | 76 years |
| David Allen Farrier | Secretary | 3 Nov 1999 | 8 Dec 2000 | British | - |
| David John Hodkinson | Director | 14 Mar 2003 | 28 Jun 2007 | British | 63 years |
| David John Still | Director | 3 Nov 1999 | 14 Mar 2003 | British | 72 years |
| David Wyndham Jones | Director | 10 Apr 2001 | 21 Nov 2002 | British | 62 years |
| E.on Uk Secretaries Limited | Corporate Secretary | 10 Dec 2012 | 30 Sept 2019 | United Kingdom | - |
| Edward Berkel | Director | 7 May 2003 | 20 May 2005 | Dutch | 69 years |
| Franciscus Gerrit Maria Van Oorsouw | Director | 10 Feb 2000 | 5 Jun 2000 | British | 84 years |
| Gordon Findlay Shearer | Director | 10 Apr 2001 | 7 May 2003 | British | 58 years |
| Hendrik Joseph Kouwenhoven | Director | 10 Feb 2000 | 28 Jun 2007 | Dutch | 68 years |
| Huub Den Rooijen | Director | 5 Jun 2000 | 10 Apr 2001 | Dutch | 67 years |
| Ian Peter Fairclough | Secretary | 8 Dec 2000 | 3 May 2001 | British | - |
| Ian Peter Fairclough | Secretary | 1 Jul 2002 | 13 Jul 2012 | British | - |
| Ian Philip Johnson | Director | 10 Dec 2012 | 30 Jun 2015 | British | 59 years |
| Ingleby Holdings Limited | Corporate Nominee Director | 1 Sept 1999 | 3 Nov 1999 | United Kingdom | - |
| Ingleby Nominees Limited | Corporate Nominee Secretary | 1 Sept 1999 | 3 Nov 1999 | United Kingdom | - |
| Jason Scagell | Director | 11 Nov 2003 | 16 Jan 2007 | British | 59 years |
| Joanne Lindsay Sidell | Director | 21 Nov 2002 | 20 May 2005 | British | 56 years |
| Marcus Peters | Director | 27 Oct 2023 | 29 Nov 2024 | British | 56 years |
| Paul John Webster | Director | 30 Jun 2003 | 22 Jun 2012 | British | 71 years |
| Peter Langcake | Director | 5 Jun 2000 | 10 Apr 2001 | British | 80 years |
| Phillipa Louise Slater | Director | 1 Nov 2022 | 27 Oct 2023 | British | 46 years |
| Ralf Drüppel | Director | 10 Dec 2012 | 22 Oct 2015 | German | 59 years |
| Rudolf Neuwirth | Director | 10 Dec 2012 | 30 Jun 2015 | German | 53 years |
| Simon Prousch | Director | 18 Jun 2018 | 22 Mar 2022 | German | 46 years |
| Willem Van Dongen | Director | 12 Nov 2002 | 28 Jun 2007 | Dutch | 68 years |