| O.H. SECRETARIAT LIMITED ACTIVE | Secretary | 12 Jun 2008 | | | | 26th, Floor, Portland House Bressenden Place, London, SW1E 5BG, United Kingdom |
| CHEATLE, Penelope Anne ACTIVE | Director | 31 Oct 2000 | | | August 1953 | 26th, Floor, Portland House Bressenden Place, London, SW1E 5BG, United Kingdom |
| O.H. DIRECTOR LIMITED ACTIVE | Director | 12 Jun 2008 | | | | 26th, Floor, Portland House Bressenden Place, London, SW1E 5BG, United Kingdom |
| CHEATLE, Penelope Anne RESIGNED | Secretary | 12 Jul 1993 | 18 Aug 2000 | | | 19 Wellsmoor Gardens, Bickley, Kent, BR1 2HT |
| HORLOCK, Elizabeth Ann RESIGNED | Secretary | 16 Jul 2007 | 12 Jun 2008 | | | 1 Barringer Court, London Street, Godmanchester, Huntingdon, Cambs, PE29 2HU |
| IRVINE, Scott Macdonald RESIGNED | Secretary | 14 Nov 2001 | 19 Jan 2004 | | | 69 Streatham Court, Streatham High Road, London, SW16 1DJ |
| LACHLAN, Cacilia Maria RESIGNED | Nominee Secretary | | 12 Jul 1993 | | | 10 Guernsey Farm Drive, Horsell Rise, Woking, Surrey, GU21 4BE |
| TURNER, George St John RESIGNED | Secretary | 18 May 2007 | 16 Jul 2007 | | | The Manse, Main Street, Bythorn, Cambridgeshire, PE28 0QR |
| WHITESIDE, Sonia Jane RESIGNED | Secretary | 18 Aug 2000 | 14 Nov 2001 | | | 139 Amhurst Road, London, E8 2AW |
| WINCHESTER, Emma RESIGNED | Secretary | 19 Jan 2004 | 18 May 2007 | | | The Coach House, 173a Merton Road, London, SW19 1EE |
| BOURNE, Anthony John, Dr RESIGNED | Director | | 03 Aug 1998 | England | May 1942 | 138 Cambridge Street, London, SW1V 4QF |
| CHEATLE, Penelope Anne RESIGNED | Director | 12 Jul 1993 | 18 Aug 2000 | | August 1953 | 19 Wellsmoor Gardens, Bickley, Kent, BR1 2HT |
| DEVIN, Mark RESIGNED | Director | 18 Aug 2000 | 31 Oct 2000 | | April 1959 | 2 The Green, Bishops Stortford, Hertfordshire, CM23 3ER |
| HORLOCK, Elizabeth Ann RESIGNED | Director | 16 Jul 2007 | 12 Jun 2008 | | October 1979 | 1 Barringer Court, London Street, Godmanchester, Huntingdon, Cambs, PE29 2HU |
| IRVINE, Scott Macdonald RESIGNED | Director | 14 Nov 2001 | 19 Jan 2004 | | February 1973 | 69 Streatham Court, Streatham High Road, London, SW16 1DJ |
| JASH, Debjani RESIGNED | Director | 01 Jan 2000 | 18 Aug 2000 | | December 1964 | Raised Ground Floor, 15 Thurlow Road, London, NW3 5PL |
| LACHLAN, Cacilia Maria RESIGNED | Nominee Director | | 12 Jul 1993 | | January 1949 | 10 Guernsey Farm Drive, Horsell Rise, Woking, Surrey, GU21 4BE |
| MCCARTHY, Anne Patricia RESIGNED | Director | 03 Aug 1998 | 23 Apr 1999 | | March 1969 | 46 Torcross Road, South Ruislip, Middlesex, HA4 0TD |
| RUSHTON, Kenneth John RESIGNED | Director | | 31 Dec 1999 | England | October 1944 | Chippins Shophouse Lane, Farley Green, Albury, Surrey, GU5 9EQ |
| TURNER, George St John RESIGNED | Director | 18 May 2007 | 16 Jul 2007 | | February 1971 | The Manse, Main Street, Bythorn, Cambridgeshire, PE28 0QR |
| WHITESIDE, Sonia Jane RESIGNED | Director | 18 Aug 2000 | 14 Nov 2001 | | March 1971 | 139 Amhurst Road, London, E8 2AW |
| WINCHESTER, Emma RESIGNED | Director | 19 Jan 2004 | 18 May 2007 | | June 1977 | The Coach House, 173a Merton Road, London, SW19 1EE |
| IMPERIAL CHEMICAL INDUSTRIES PLC RESIGNED | Director | | 10 Jul 2000 | | | Imperial Chemical House, Millbank, London, SW1P 3JF |