| CENTRICA SECRETARIES LIMITED ACTIVE | Secretary | 05 Oct 2007 | | | | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| DICKINSON, James Michael ACTIVE | Director | 30 Jul 2021 | | United Kingdom | June 1980 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD, United Kingdom |
| CENTRICA DIRECTORS LIMITED ACTIVE | Director | 21 Oct 2013 | | | | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD, United Kingdom |
| GUNN, Peter Robert Francis RESIGNED | Secretary | 06 Nov 2006 | 05 Oct 2007 | | | 9 Redwood Place, Beaconsfield, Buckinghamshire, HP9 1RP |
| SAXBY, Richard Marklew RESIGNED | Secretary | 16 Jul 2002 | 06 Nov 2006 | | | 40 Avenue Close, Avenue Road, London, NW8 6DA |
| COMBINED SECRETARIAL SERVICES LIMITED RESIGNED | Nominee Secretary | 16 Jul 2002 | 16 Jul 2002 | | | Victoria House, 64 Paul Street, London, EC2A 4NG |
| BARTHOLOMEW, Iain Douglas, Dr RESIGNED | Director | 08 Feb 2010 | 21 Oct 2013 | United Kingdom | July 1958 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| BIRD, Christopher Terence RESIGNED | Director | 08 Feb 2010 | 16 Apr 2012 | Scotland | October 1960 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| CAMPBELL, Justine Michelle RESIGNED | Director | 12 Jul 2018 | 20 Sep 2018 | United Kingdom | August 1970 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| CARROLL, Nicola RESIGNED | Director | 21 Oct 2013 | 30 Jun 2016 | United Kingdom | December 1959 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| CLARK, Simon Richard RESIGNED | Director | 05 Oct 2007 | 14 Jan 2011 | | January 1964 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| COLE, Peter RESIGNED | Director | 05 Oct 2007 | 27 Jan 2010 | | December 1951 | Longmead, South Stoke Road, Woodcote, Reading, Berkshire, RG8 0PL |
| DE LEEUW, Paul RESIGNED | Director | 11 May 2011 | 16 Aug 2013 | Scotland | February 1964 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| GUNN, Peter Robert Francis RESIGNED | Director | 05 Oct 2007 | 31 Jan 2008 | England | January 1951 | 9 Redwood Place, Beaconsfield, Buckinghamshire, HP9 1RP |
| HEDLEY, Paul Ian, Mr. RESIGNED | Director | 01 Sep 2011 | 21 Oct 2013 | United Kingdom | October 1969 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| HODGES, Andrew William RESIGNED | Director | 30 Jun 2016 | 12 Jul 2018 | United Kingdom | June 1967 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| MADDOCK, Nicholas William RESIGNED | Director | 08 Feb 2010 | 09 Jun 2011 | United Kingdom | January 1971 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| MCCULLOCH, Alan William RESIGNED | Director | 02 Sep 2019 | 30 Jul 2021 | England | September 1966 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD, United Kingdom |
| MCKENNA, Gregory Craig RESIGNED | Director | 08 Feb 2010 | 16 Apr 2012 | United Kingdom | January 1966 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| PHILLIPS, David Roy RESIGNED | Director | 11 Sep 2003 | 31 Jan 2008 | | August 1949 | Holt House, Southfield Place, Weybridge, Surrey, KT13 0RQ |
| RATHERT, Terry Wayne RESIGNED | Director | 16 Jul 2002 | 05 Oct 2007 | | December 1952 | 4014 Pecan Park Lane, Kingwood, Texas, 77345, Usa |
| ROGER, Jonathan Leslie RESIGNED | Director | 08 Feb 2010 | 20 May 2013 | United Kingdom | May 1969 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| SAMBHI, Sarwjit RESIGNED | Director | 20 May 2013 | 21 Oct 2013 | United Kingdom | July 1969 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| SCHNEIDER, William David RESIGNED | Director | 16 Jul 2002 | 05 Oct 2007 | | October 1951 | 29 Waterford Lake, The Woodlands, Texas, 77381, Usa |
| SHEARS, John Nicholas RESIGNED | Director | 05 Oct 2007 | 08 Feb 2010 | British | October 1958 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| TRICE, David Alan RESIGNED | Director | 16 Jul 2002 | 05 Oct 2007 | | April 1948 | 11902 Gallant Ridge Lane, Houston, Texas, 77082, Usa |
| WESTLEY, Adam David Christopher RESIGNED | Director | 20 Sep 2018 | 02 Sep 2019 | United Kingdom | April 1969 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| COMBINED NOMINEES LIMITED RESIGNED | Nominee Director | 16 Jul 2002 | 16 Jul 2002 | | | Victoria House, 64 Paul Street, London, EC2A 4NA |
| COMBINED SECRETARIAL SERVICES LIMITED RESIGNED | Nominee Director | 16 Jul 2002 | 16 Jul 2002 | | | Victoria House, 64 Paul Street, London, EC2A 4NG |