| ECKLEY, Stephen ACTIVE | Director | 22 Sep 2010 | | United Kingdom | February 1966 | Bromyard Road, Ledbury, Herefordshire, HR8 1LH |
| SUPERSUMMER SERVICES LIMITED ACTIVE | Director | 31 Jul 2000 | | | | Vistra Corporate Services Centre, Vistra (Bvi) Limited, Vistra Corporate Services Centre, Wickhams Cay Ii Road, Town Tortola Vg1110, Virgin Islands, British |
| SANDY, John Alfred RESIGNED | Secretary | | 25 Nov 1992 | | | Toxicol International Limited, Bromyard Road, Ledbury, Herefordshire, HR8 1LG |
| WILSON, Michael Norman RESIGNED | Secretary | 25 Nov 1992 | 31 Jul 2000 | | | 40/41 Pall Mall, St James's, London, SW1Y 5JG |
| ANGLOCYBER LIMITED RESIGNED | Secretary | 01 Oct 2004 | 25 Jul 2013 | | | Bromyard Road, Bromyard Road, Ledbury, Herefordshire, HR8 1LH, United Kingdom |
| ANGLOCYBER LIMITED RESIGNED | Secretary | 31 Jul 2000 | 31 Jul 2000 | | | 1 Mitchell Lane, Bristol, Avon, BS1 6BU |
| JORDAN COMPANY SECRETARIES LIMITED RESIGNED | Nominee Secretary | 31 Jul 2000 | 09 Jan 2004 | | | 21 St Thomas Street, Bristol, Avon, BS1 6JS |
| BAILLIE, John Hamilton RESIGNED | Director | | 12 Feb 1996 | | May 1944 | Toxicol Laboratories Limited, Bromyard Road, Ledbury, Herefordshire, HR8 1LH |
| CASEY, Henry Joseph RESIGNED | Director | | 25 Nov 1992 | | April 1934 | Toxicol Laboratories Limited, Bromyard Road, Ladbury, Herefordshire, HR8 1LG |
| CHURCH, Geoffrey Richard RESIGNED | Director | | 25 Nov 1992 | | May 1929 | Toxicol Laboratories Limited, Bromyard, Ledbury, Herefordshire, HR8 1LG |
| EDMONDSON, Nigel RESIGNED | Director | 22 Sep 2010 | 05 Feb 2015 | United Kingdom | December 1952 | Bromyard Road, Ledbury, Herefordshire, HR8 1LH |
| GILL, Charles Rodney Bentary RESIGNED | Director | | 25 Nov 1992 | | August 1940 | Toxicol International Limited, Bromyard Road, Ledbury, Hertfordshire, HR8 1LG |
| GILLINGS, Dennis Barry, Dr RESIGNED | Director | 25 Nov 1992 | 23 Dec 1999 | | April 1944 | Ringside, 79 High Street, Bracknell, Berkshire, RG12 1DZ |
| GOODACRE, John RESIGNED | Director | 23 Dec 1999 | 24 Jul 2000 | Usa | March 1950 | 400 Deming Road, Chapel Hill, North Carolina 27514, Usa |
| GRIFFITH, David William RESIGNED | Director | | 03 Mar 1995 | | March 1941 | Toxicol Laboratories Limited, Bromyard Road, Ledbury, Herefordshire, HR8 1LG |
| MACDONALD, Alasdair RESIGNED | Director | 31 Jul 2000 | 31 Jul 2000 | | June 1959 | 40-41 Pall Mall, London, SW1Y 5JG |
| REYNDERS, Ludo RESIGNED | Director | 25 Nov 1992 | 24 Jul 2000 | | October 1953 | Ringside, 79 High Street, Bracknell, Berkshire, RG12 1DZ |
| SANDY, John Alfred RESIGNED | Director | | 25 Nov 1992 | | September 1941 | Toxicol International Limited, Bromyard Road, Ledbury, Herefordshire, HR8 1LG |
| WILSON, Michael Norman RESIGNED | Director | 25 Nov 1992 | 31 Jul 2000 | | February 1943 | 40/41 Pall Mall, St James's, London, SW1Y 5JG |