| THROGMORTON SECRETARIES LLP ACTIVE | Secretary | 16 Jul 2007 | | | | 4th Floor, Reading Bridge House, George Street, Reading, Berkshire, RG1 8LS |
| EVANS-FREKE, Stephen Ralfe, The Honourable ACTIVE | Director | 31 Aug 2005 | | England | March 1952 | 201, Bishopsgate, London, EC2M 3AF |
| MAYO, John Charles ACTIVE | Director | 31 Aug 2005 | | England | April 1956 | 201, Bishopsgate, London, EC2M 3AF |
| PARKER, Stephen Barry, Dr ACTIVE | Director | 31 Aug 2005 | | England | September 1958 | 201, Bishopsgate, London, EC2M 3AF |
| ABRAMS, Daniel RESIGNED | Secretary | 13 Oct 1997 | 01 Sep 2005 | | | Xenova Group Plc, 957 Buckingham Avenue, Slough, Berkshire, SL1 4NL |
| PARKER, Stephen Barry, Dr RESIGNED | Secretary | 31 Aug 2005 | 21 Jun 2006 | | | Mercury House, Triton Court, 14 Finsbury Square, London, EC2A 1BR |
| PRICE, Phillip John RESIGNED | Secretary | 22 May 1992 | 31 Jul 1995 | | | Home Meadow, Terrace Road South, Binfield, Berkshire, RG42 4DS |
| TWOSE, Trevor Martin, Doctor RESIGNED | Secretary | 01 Aug 1995 | 13 Oct 1997 | | | 1 New Cottages, Common Lane Littleworth Common, Burnham, Buckinghamshire, SL1 8PR |
| THROGMORTON UK LIMITED RESIGNED | Secretary | 21 Jun 2006 | 16 Jul 2007 | | | 42-44 Portman Road, Reading, Berkshire, RG30 1EA |
| TRUSEC LIMITED RESIGNED | Nominee Secretary | 19 Mar 1992 | 22 May 1992 | | | 35 Basinghall Street, London, EC2V 5DB |
| ABRAMS, Daniel RESIGNED | Director | 13 Oct 1997 | 01 Sep 2005 | | November 1955 | Xenova Group Plc, 957 Buckingham Avenue, Slough, Berkshire, SL1 4NL |
| BEVAN, Paul, Doctor RESIGNED | Director | 22 May 1992 | 09 May 2001 | | April 1948 | 15 Manor Wood Gate, Lower Shiplake, Henley-On-Thames, Oxfordshire, RG9 3BY |
| CHANDLER, Christine Anne RESIGNED | Nominee Director | 19 Mar 1992 | 22 May 1992 | | August 1955 | 31 Chesnut Grove, New Malden, Surrey |
| FAIRTLOUGH, Gerard Howard RESIGNED | Director | 06 Apr 2001 | 17 Oct 2003 | | September 1930 | Greenways, Ryall, Bridport, Dorset, DT6 6EN |
| GILLETT, Peter Lewis RESIGNED | Director | 01 Feb 2000 | 01 Sep 2005 | | May 1942 | 42 Portman Road, Reading, Berkshire, RG30 1EA |
| HARRIS, Adrian Lewellyn, Prof RESIGNED | Director | 04 Oct 1996 | 01 Sep 2005 | | August 1950 | 42 Portman Road, Reading, Berkshire, RG30 1EA |
| HART, Nicholas Lucas RESIGNED | Director | 11 May 2001 | 31 Dec 2001 | | January 1955 | 29 Barrow Road, Cambridge, CB2 2AP |
| INGLIS, Stephen Charles, Dr RESIGNED | Director | 11 May 2001 | 31 Dec 2001 | United Kingdom | September 1952 | 9 Bartlow Road, Linton, Cambridge, CB1 6LY |
| IRWIN, Thomas Ronald RESIGNED | Director | 07 Oct 1996 | 01 Sep 2005 | | July 1935 | 42 Portman Road, Reading, Berkshire, RG30 1EA |
| JACKSON, John Bernard Haysom RESIGNED | Director | 22 May 1992 | 01 Sep 2005 | United Kingdom | May 1929 | Summit House, Red Lion Square, London, WC1R 4QB |
| JEFFERS, Alan Taylor RESIGNED | Director | 22 May 1992 | 04 Oct 1996 | Ireland | August 1938 | 51 Clearwater Cove, Old Dunleary Road Dun Laoghaire, Dublin, IRISH |
| LARBEY, Cynthia Deidre Anne RESIGNED | Director | 09 Feb 2006 | 02 Feb 2007 | | May 1957 | Mercury House Triton Court, 14 Finsbury Square, London, EC2A 1BR |
| LAVIGNE, Louis James RESIGNED | Director | 08 Feb 1993 | 14 May 1999 | | April 1948 | 311 Sheridan Avenue, Piedmont, California 94611, 3642, Usa |
| MCMILLIAN, Henry Geoffrey RESIGNED | Director | 04 Jan 1993 | 29 Mar 1996 | | June 1956 | Glebe Cottage, Bryants Bottom Road Bryants Bottom, Great Missenden, Buckinghamshire, HP16 0JS |
| MOORE, Michael, Dr RESIGNED | Director | 02 Jan 1996 | 13 Aug 2003 | United Kingdom | May 1942 | 11 Fairway Heights, Camberley, Surrey, GU15 1NJ |
| NISBET, Louis Joseph, Dr RESIGNED | Director | 22 May 1992 | 13 Mar 1998 | England | August 1947 | Little Court, Cromwell Gardens, Marlow, Buckinghamshire, SL7 1BG |
| OXLADE, David Aufrere RESIGNED | Director | 02 Jun 1997 | 01 Sep 2005 | | May 1949 | 42 Portman Road, Reading, Berkshire, RG30 1EA |
| PAPADOPOULOS, Stelios RESIGNED | Director | 08 Feb 1993 | 04 Oct 1996 | | June 1948 | 3 Somerset Drive South, Great Neck, New York Ny11020, Usa |
| PRICE, Phillip John RESIGNED | Director | 22 May 1992 | 31 Jul 1995 | | August 1952 | Home Meadow, Terrace Road South, Binfield, Berkshire, RG42 4DS |
| REEVE, Robert Arthur RESIGNED | Nominee Director | 19 Mar 1992 | 22 May 1992 | | September 1931 | 6 Wellesford Close, Banstead, Surrey, SM7 2HL |
| RENNOCKS, John Leonard RESIGNED | Director | 12 Sep 2003 | 01 Sep 2005 | | June 1945 | 42 Portman Road, Reading, Berkshire, RG30 1EA |
| ROBERTS, John St Clair, Dr RESIGNED | Director | 11 May 2001 | 13 Aug 2003 | | November 1953 | 42 Portman Road, Reading, Berkshire, RG30 1EA |
| ROSS, Michael Jay RESIGNED | Director | 04 Oct 1996 | 12 Jul 1999 | | July 1949 | 704 Oregan Avenue, San Matoe California 94402, United States Of America, CA94010 |
| SHERWOOD, Charles Nigel Cross RESIGNED | Director | 22 May 1992 | 04 Oct 1996 | United Kingdom | September 1959 | Cavewood, Rectory Lane, Datchworth, Hertfordshire, SG3 6RD |
| TERMEER, Henri Adrianus RESIGNED | Director | 22 May 1992 | 04 Oct 1996 | | February 1946 | 61 Lincoln Road, Wellesley, Massachusetts 02181, Usa |
| TWOSE, Trevor Martin, Doctor RESIGNED | Director | 02 Jan 1996 | 31 Dec 1997 | | December 1946 | 1 New Cottages, Common Lane Littleworth Common, Burnham, Buckinghamshire, SL1 8PR |
| WACHTLER, Howard RESIGNED | Director | 22 May 1992 | 17 Oct 2003 | | December 1948 | 7 Camelot Drive, Livingston, New Jersey, NJ07039, Usa |
| WATERFALL, John Frederick, Doctor RESIGNED | Director | 24 May 1999 | 12 Sep 2006 | | August 1947 | 42 Portman Road, Reading, Berkshire, RG30 1EA |
| YOUNG, Michael, Dr RESIGNED | Director | 12 Sep 2003 | 01 Sep 2005 | | September 1939 | 654 Wallace Drive, Wayne, Pa 19087, Usa |