| CENTRICA SECRETARIES LIMITED ACTIVE | Secretary | 09 Aug 2000 | | | | 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 | 01 Nov 2001 | | | | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| CALDWELL, Lucy Elizabeth RESIGNED | Secretary | 21 Nov 1997 | 09 Aug 2000 | | | 19 St Davids Drive, Englefield Green, Surrey, TW20 0BA |
| FURMSTON, Teresa Jane RESIGNED | Secretary | 25 Sep 1997 | 21 Nov 1997 | | | 55 Mayfield Avenue, Southgate, London, N14 6DY |
| COMBINED SECRETARIAL SERVICES LIMITED RESIGNED | Nominee Secretary | 04 Nov 1996 | 25 Sep 1997 | | | Victoria House, 64 Paul Street, London, EC2A 4NG |
| ALLEN, Tracy Lorraine RESIGNED | Director | 18 Jul 2001 | 01 Nov 2001 | | December 1966 | 62 Hazel Close, Whitton, Twickenham, Middlesex, TW2 7NR |
| CALDWELL, Lucy Elizabeth RESIGNED | Director | 26 Jul 1999 | 01 Nov 2001 | | February 1968 | 19 St Davids Drive, Englefield Green, Surrey, TW20 0BA |
| 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 | 25 Sep 1997 | 31 Jan 2000 | | March 1959 | The West Wing Burfield Lodge, Burfield Road, Old Windsor, Berkshire, SL4 2LH |
| FURMSTON, Teresa Jane RESIGNED | Director | 25 Sep 1997 | 22 Feb 1999 | | May 1967 | 12 Hinchley Close, Esher, Surrey, KT10 0BY |
| GARRIHY, Anne RESIGNED | Director | 25 Sep 1997 | 18 Jul 2001 | | June 1960 | 38 Bunbury Way, Epsom, Surrey, KT17 4JP |
| MOORE, Paul Anthony RESIGNED | Director | 12 Sep 2008 | 12 Nov 2009 | | July 1970 | 1 Holmlea Road, Datchet, Slough, Berkshire, SL3 9HG |
| RITCHIE, Ian RESIGNED | Director | 31 Jan 2000 | 01 Nov 2001 | United Kingdom | May 1952 | 66 Cherwell Drive, Marston, Oxford, Oxfordshire, OX3 0LZ |
| THOMAS, Luke RESIGNED | Director | 09 Sep 2010 | 12 Jul 2012 | United Kingdom | June 1966 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| COMBINED NOMINEES LIMITED RESIGNED | Nominee Director | 04 Nov 1996 | 25 Sep 1997 | | | Victoria House, 64 Paul Street, London, EC2A 4NA |
| COMBINED SECRETARIAL SERVICES LIMITED RESIGNED | Nominee Director | 04 Nov 1996 | 25 Sep 1997 | | | Victoria House, 64 Paul Street, London, EC2A 4NG |