| CENTRICA SECRETARIES LIMITED ACTIVE | Secretary | 30 Sep 2003 | | | | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| CARROLL, Nicola Margaret ACTIVE | Director | 12 Jul 2012 | | United Kingdom | December 1959 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| CENTRICA DIRECTORS LIMITED ACTIVE | Director | 28 Sep 2006 | | | | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| CALDWELL, Lucy Elizabeth RESIGNED | Secretary | 12 Nov 1997 | 11 Sep 2000 | | | 19 St Davids Drive, Englefield Green, Surrey, TW20 0BA |
| DAVIS, Helen RESIGNED | Secretary | 30 Jan 1997 | 14 Mar 1997 | | | The Bungalow Pembury Farm, Parkstone Road Ropley, Alresford, Hampshire, SO24 0EP |
| GARRIHY, Anne RESIGNED | Secretary | 14 Mar 1997 | 12 Nov 1997 | | | 38 Bunbury Way, Epsom, Surrey, KT17 4JP |
| GARRIHY, Anne RESIGNED | Secretary | 19 Sep 1996 | 30 Jan 1997 | | | 38 Bunbury Way, Epsom, Surrey, KT17 4JP |
| HARRISON, Maxine Louise RESIGNED | Secretary | 26 Oct 2000 | 30 Sep 2003 | | | 28 Cumberland Road, Kew, Richmond, Surrey, TW9 3HQ |
| CENTRICA SECRETARIES LIMITED RESIGNED | Secretary | 11 Sep 2000 | 26 Oct 2000 | | | 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 | 19 Sep 1996 | 02 Jun 1997 | United Kingdom | November 1947 | 1 Hibberts Way, Gerrards Cross, Buckinghamshire, SL9 8UD |
| BARRETT, Peter RESIGNED | Director | 26 Oct 2000 | 03 Sep 2001 | | June 1966 | 24 Britts Farm Road, Buxted, East Sussex, TN22 4LZ |
| BOWTELL, John Paul Maurice RESIGNED | Director | 02 Feb 2004 | 09 Jul 2004 | | August 1968 | Hallam, Sampford Road, Radwinter, Essex, CB10 2TL |
| BUTLER, Geoffrey Robert, Dr RESIGNED | Director | 26 Oct 2000 | 28 Mar 2001 | | October 1954 | The Mullions, New Road, Beer, Devon, EX12 3EB |
| BYSOUTH, Paul RESIGNED | Director | 20 Mar 2006 | 28 Sep 2006 | England | February 1957 | Ashcombe Cottage, Ranmore Common, Dorking, Surrey, RH5 6SP |
| CALDWELL, Lucy Elizabeth RESIGNED | Director | 12 Nov 1997 | 26 Oct 2000 | | February 1968 | 19 St Davids Drive, Englefield Green, Surrey, TW20 0BA |
| CAMERON, Alisdair Charles John RESIGNED | Director | 03 Jan 2006 | 28 Sep 2006 | England | May 1965 | Brooklands, Stadhampton Road, Little Milton, Oxfordshire, OX44 7QD |
| CLARE, Mark Sydney RESIGNED | Director | 26 Oct 2000 | 13 Jun 2002 | | August 1957 | Barcombe 47 Copthorne Road, Croxley Green, Rickmansworth, Hertfordshire, WD3 4AH |
| CLARE, Mark Sydney RESIGNED | Director | 02 Jun 1997 | 26 Jul 1999 | | August 1957 | Barcombe 47 Copthorne Road, Croxley Green, Rickmansworth, Hertfordshire, WD3 4AH |
| COLES, Pamela Mary RESIGNED | Director | 12 Nov 2009 | 09 Sep 2010 | United Kingdom | March 1961 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| 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 |
| GARRIHY, Anne RESIGNED | Director | 26 Jul 1999 | 26 Oct 2000 | | June 1960 | 38 Bunbury Way, Epsom, Surrey, KT17 4JP |
| KENDLE, David Philip RESIGNED | Director | 02 Feb 2004 | 20 Mar 2006 | United Kingdom | June 1956 | 99 Higher Drive, Banstead, Surrey, SM17 1PS |
| KENT, John Michael RESIGNED | Director | 19 Sep 1996 | 14 Mar 1997 | | March 1958 | 2 Elm Close, Weston Turville, Buckinghamshire, HP22 5SS |
| MOORE, Paul Anthony RESIGNED | Director | 12 Sep 2008 | 12 Nov 2009 | | July 1970 | 1 Holmlea Road, Datchet, Slough, Berkshire, SL3 9HG |
| 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 | 13 Jun 2002 | 30 Sep 2003 | | October 1958 | East Coombe North Bank, Hassocks, West Sussex, BN6 8JG |
| RICHARDS, Douglas John RESIGNED | Director | 03 Sep 2001 | 13 Jun 2002 | | October 1967 | Richmond, 75 Windsor Road, Gerrards Cross, Buckinghamshire, SL9 7NL |
| RITCHIE, Ian RESIGNED | Director | 31 Jan 2000 | 26 Oct 2000 | United Kingdom | May 1952 | 66 Cherwell Drive, Marston, Oxford, Oxfordshire, OX3 0LZ |
| SHEARS, John Nicholas RESIGNED | Director | 02 Feb 2004 | 01 Mar 2005 | British | October 1958 | Lovania Birch Lane, Ascot, Berkshire, SL5 8RF |
| THOMAS, Luke RESIGNED | Director | 09 Sep 2010 | 12 Jul 2012 | United Kingdom | June 1966 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| TURNER, Moira Lynne RESIGNED | Director | 01 Sep 2004 | 03 Jan 2006 | England | July 1962 | Woodend House, 11 Dower Close, Beaconsfield, Buckinghamshire, HP9 1XZ |
| TURNER, Moira Lynne RESIGNED | Director | 13 Jun 2002 | 30 Sep 2003 | England | July 1962 | Woodend House, 11 Dower Close, Beaconsfield, Buckinghamshire, HP9 1XZ |
| CENTRICA DIRECTORS LIMITED RESIGNED | Director | 30 Sep 2003 | 02 Feb 2004 | | | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| 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 |