| CENTRICA SECRETARIES LIMITED ACTIVE | Secretary | 03 Aug 2007 | | | | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| FRYER, Paul Ian ACTIVE | Director | 20 Dec 2004 | | | July 1958 | 7 Greenway Gardens, Shirley, Croydon, Surrey, CR0 8QJ |
| REDCLIFFE, Charlotte ACTIVE | Director | 20 Dec 2004 | | United Kingdom | September 1964 | 1, More London Place, London, SE1 2AF |
| TURNER, Moira Lynne ACTIVE | Director | 15 Apr 2002 | | England | July 1962 | 1, More London Place, London, SE1 2AF |
| CALDWELL, Lucy Elizabeth RESIGNED | Secretary | 21 Nov 1997 | 11 Sep 2000 | | | 19 St Davids Drive, Englefield Green, Surrey, TW20 0BA |
| DAVIES, Philip William RESIGNED | Secretary | 28 Apr 2004 | 03 Aug 2007 | | | 26 Frances Road, Windsor, Berkshire, SL4 3AA |
| FELTON, Elizabeth Jayne RESIGNED | Secretary | 30 Jan 1997 | 01 Oct 1997 | | | 25 Merlin Clove, Winkfield Row, Bracknell, Berkshire, RG42 7TD |
| FURMSTON, Teresa Jane RESIGNED | Secretary | 01 Oct 1997 | 21 Nov 1997 | | | 55 Mayfield Avenue, Southgate, London, N14 6DY |
| GARRIHY, Anne RESIGNED | Secretary | 19 Sep 1996 | 30 Jan 1997 | | | 38 Bunbury Way, Epsom, Surrey, KT17 4JP |
| HARRISON, Maxine Louise RESIGNED | Secretary | 05 Apr 2001 | 28 Apr 2004 | | | 28 Cumberland Road, Kew, Richmond, Surrey, TW9 3HQ |
| CENTRICA SECRETARIES LIMITED RESIGNED | Secretary | 11 Sep 2000 | 05 Apr 2001 | | | Charter Court 50 Windsor Road, Slough, Berkshire, SL1 2HA |
| COMBINED SECRETARIAL SERVICES LIMITED RESIGNED | Nominee Secretary | 12 Jul 1996 | 19 Sep 1996 | | | Victoria House, 64 Paul Street, London, EC2A 4NG |
| ALEXANDER, Michael Richard RESIGNED | Director | 07 Dec 2001 | 28 Feb 2003 | United Kingdom | November 1947 | 1 Hibberts Way, Gerrards Cross, Buckinghamshire, SL9 8UD |
| ALMOND, Jayne Doreen RESIGNED | Director | 05 Apr 2001 | 27 Nov 2002 | United Kingdom | November 1957 | 26 Walpole Street, London, SW3 4QS |
| BARRETT, Peter RESIGNED | Director | 05 Apr 2001 | 28 Aug 2001 | | June 1966 | 24 Britts Farm Road, Buxted, East Sussex, TN22 4LZ |
| BELT, Alan John RESIGNED | Director | 20 Sep 2001 | 19 May 2003 | | October 1965 | 6 Tall Trees, St. Ippolyts, Hitchin, Hertfordshire, SG4 7SW |
| CALDWELL, Lucy Elizabeth RESIGNED | Director | 21 Nov 1997 | 05 Apr 2001 | | February 1968 | 19 St Davids Drive, Englefield Green, Surrey, TW20 0BA |
| CLARE, Mark Sydney RESIGNED | Director | 05 Apr 2001 | 28 Apr 2004 | | August 1957 | Barcombe 47 Copthorne Road, Croxley Green, Rickmansworth, Hertfordshire, WD3 4AH |
| DAWSON, Ian Grant RESIGNED | Director | 02 Jun 1997 | 31 Jan 2000 | | March 1959 | The West Wing Burfield Lodge, Burfield Road, Old Windsor, Berkshire, SL4 2LH |
| FAIREY, Michael Edward RESIGNED | Director | 17 Oct 2001 | 28 Apr 2004 | United Kingdom | June 1948 | Churchfields House, Hitchin Road, Codicote, Hertfordshire, SG4 8TH |
| FURMSTON, Teresa Jane RESIGNED | Director | 02 Jun 1997 | 21 Nov 1997 | | May 1967 | 55 Mayfield Avenue, Southgate, London, N14 6DY |
| GARRIHY, Anne RESIGNED | Director | 02 Jun 1997 | 05 Apr 2001 | | June 1960 | 38 Bunbury Way, Epsom, Surrey, KT17 4JP |
| HOLT, Dennis RESIGNED | Director | 05 Apr 2001 | 17 Aug 2001 | United Kingdom | October 1948 | Heatherbank, Shoreham Road Otford, Sevenoaks, Kent, TN14 5RN |
| HUNKIN, Ricky David RESIGNED | Director | 05 Apr 2001 | 28 Apr 2004 | | March 1962 | 5 Millenium Court, Basingstoke, Hampshire, RG21 7RA |
| KENT, John Michael RESIGNED | Director | 19 Sep 1996 | 02 Jun 1997 | | March 1958 | 2 Elm Close, Weston Turville, Buckinghamshire, HP22 5SS |
| LE POIDEVIN, Andrew Daryl RESIGNED | Director | 01 Jul 2002 | 31 Dec 2002 | England | April 1958 | Kinneil, 34 Bulstrode Way, Gerrards Cross, Buckinghamshire, SL9 7QU |
| LING, Andrew John RESIGNED | Director | 05 Apr 2001 | 24 Sep 2002 | England | March 1954 | Ireton Packhorse Road, Sevenoaks, Kent, TN13 2QR |
| LIPWORTH, Sydney, Sir RESIGNED | Director | 05 Apr 2001 | 28 Apr 2004 | United Kingdom | May 1931 | 115 Hamilton Terrace, London, NW8 9QU |
| NELSON, Keith Frederick RESIGNED | Director | 19 Sep 1996 | 02 Jun 1997 | | June 1945 | Doone Valley, 20 Burnt Hill Road, Farnham, Surrey, GU10 4RX |
| PARSONS, Michael RESIGNED | Director | 19 Sep 1996 | 02 Jun 1997 | | December 1957 | Frenches Manor, Snow Hill, Crawley Down, Crawley, West Sussex, RH10 3EG |
| PETERS, Ian RESIGNED | Director | 04 Mar 2002 | 28 Apr 2004 | Great Britain | October 1958 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| POTTS, James Robert RESIGNED | Director | 20 Jan 2003 | 28 Apr 2004 | | June 1944 | Pond Cottage, 54 The Green, Little Gaddesden, Berkhamsted, Herts, HP4 2QG |
| RICHARDS, Douglas John RESIGNED | Director | 28 Aug 2001 | 10 May 2002 | | October 1967 | Richmond, 75 Windsor Road, Gerrards Cross, Buckinghamshire, SL9 7NL |
| RITCHIE, Ian RESIGNED | Director | 31 Jan 2000 | 05 Apr 2001 | United Kingdom | May 1952 | 66 Cherwell Drive, Marston, Oxford, Oxfordshire, OX3 0LZ |
| STOBART, Eric St Clair RESIGNED | Director | 28 Aug 2001 | 15 Jul 2009 | United Kingdom | September 1948 | Dormy Cottage, 2 Alan Road, Wimbledon Village, London, SW19 7PT |
| TANZER, Mark John Eric RESIGNED | Director | 05 Apr 2001 | 01 Jul 2002 | United Kingdom | September 1960 | Little Knowle, Castle Hill, Brenchley, Kent, TN12 7DB |
| WAUGH, Simon John RESIGNED | Director | 05 Apr 2001 | 28 Apr 2004 | United Kingdom | April 1958 | Fairways, Berry Lane Worpleston, Woking, GU22 0RH |
| COMBINED NOMINEES LIMITED RESIGNED | Nominee Director | 12 Jul 1996 | 19 Sep 1996 | | | Victoria House, 64 Paul Street, London, EC2A 4NA |
| COMBINED SECRETARIAL SERVICES LIMITED RESIGNED | Nominee Director | 12 Jul 1996 | 19 Sep 1996 | | | Victoria House, 64 Paul Street, London, EC2A 4NG |