| CENTRICA SECRETARIES LIMITED ACTIVE | Secretary | 30 Nov 2009 | | | | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD, United Kingdom |
| HODGES, Andrew William ACTIVE | Director | 30 Jun 2016 | | United Kingdom | June 1967 | Millstream Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| CENTRICA DIRECTORS LIMITED ACTIVE | Director | 20 Oct 2008 | | | | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| BIRTHISEL, Stockton Bodie RESIGNED | Secretary | 16 Jan 2001 | 01 Jul 2004 | | | 35 Century Court, Queens Promenade, Douglas, Isle Of Man, IM2 4NT |
| BYRNE, David John RESIGNED | Secretary | 26 Jul 2005 | 30 Nov 2009 | | | 58 East Park Farm Drive, Charvil, Berkshire, RG10 9US |
| CHAPLIN, Stella Bridget RESIGNED | Secretary | 01 Jul 2004 | 26 Jul 2005 | | | 32 Hawthorn Road, Frimley, Camberley, Surrey, GU16 8SE |
| CHIN, Cyril Kok Chai RESIGNED | Secretary | 15 Aug 2001 | 30 Sep 2002 | | | 60 Holland Park Mews, London, W11 3SS |
| EITRHEIM, Marie Katherine RESIGNED | Secretary | 15 Oct 2002 | 31 Jan 2003 | | | 8600 Pine Hill Road, Bloomington, Minnesota 55438, Usa |
| FIELD, Stephen Mark RESIGNED | Secretary | 01 Jul 2004 | 01 Oct 2004 | | | 14 Almond Avenue, Ickenham, Middlesex, UB10 8NA |
| LEWIS, Leonie Marcella RESIGNED | Secretary | 05 Dec 2003 | 01 Jul 2004 | | | 23b Deptford Broadway, Deptford, London, SE8 4PA |
| O`BRIEN, Timothy William John RESIGNED | Secretary | 16 Mar 2001 | 15 Aug 2001 | | | 789 Lincoln Avenue, St Paul, 55105 Minnesota, Usa |
| DCS CORPORATE SECRETARIES LIMITED RESIGNED | Nominee Secretary | 16 Jan 2001 | 16 Jan 2001 | | | 1 Ashfield Road, Stockport, Cheshire, SK3 8UD |
| BROWN, Robert James RESIGNED | Director | 16 Mar 2001 | 15 Aug 2001 | England | March 1940 | 6 Waterfield, The Moat, Tunbridge Wells, Kent, TN2 5XH |
| CARROLL, Nicola RESIGNED | Director | 12 Jul 2012 | 30 Jun 2016 | United Kingdom | December 1959 | Millstream Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| COLES, Pamela Mary RESIGNED | Director | 12 Nov 2009 | 29 Jul 2010 | United Kingdom | March 1961 | Millstream Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| GOODWIN, Simon Jonathan RESIGNED | Director | 01 Jul 2004 | 20 Oct 2008 | England | May 1962 | 73 Langfield Road, Knowle, Solihull, West Midlands, B93 9PS |
| HEARFIELD, Richard RESIGNED | Director | 13 Sep 2002 | 01 Dec 2003 | | November 1955 | 56 Horkstow Road, Barton On Humber, North Lincolnshire, DN18 5DZ |
| JACKSON, Stuart Robert RESIGNED | Director | 16 Mar 2001 | 27 Mar 2003 | United Kingdom | February 1960 | Lower Farm, Bury Green, Little Hadham, Hertfordshire, SG11 2EY |
| JONES, Martin Gareth RESIGNED | Director | 16 Mar 2001 | 31 Dec 2002 | England | July 1958 | 7 Puttenham Road, Basingstoke, Hampshire, RG24 8RB |
| KREBS, Gary RESIGNED | Director | 15 Aug 2001 | 20 Oct 2008 | | December 1961 | 3 Cumberland Avenue, Grimsby, Northeast Lincolnshire, DN32 0BT |
| LINGARD, Stephen Gerald William RESIGNED | Director | 05 Dec 2003 | 01 Jul 2004 | | July 1962 | Lowfield Lodge, Middle Street Scotton, Gainsborough, Lincolnshire, DN21 3RA |
| MACMILLAN, David John RESIGNED | Director | 04 Apr 2003 | 01 Jul 2004 | United Kingdom | February 1953 | 47 Lowther Road, London, SW13 9NT |
| MAPPLEBECK, John Richard RESIGNED | Director | 31 Jan 2003 | 01 Jul 2004 | England | September 1943 | 73 Manor Road South, Hinchley Wood, Esher, Surrey, KT10 0QB |
| MOORE, Paul Anthony RESIGNED | Director | 20 Oct 2008 | 12 Nov 2009 | | July 1970 | 1 Holmlea Road, Datchet, Slough, Berkshire, SL3 9HG |
| POWER, Richard William RESIGNED | Director | 15 Aug 2001 | 20 Oct 2008 | | May 1964 | 1 Millfields Way, Barrow Upon Humber, North Lincolnshire, DN19 7SF |
| ROOKE, David Gilbert RESIGNED | Director | 15 Aug 2001 | 08 Aug 2002 | England | December 1965 | 1 Upper Stanley Road, High Wycombe, HP12 4DB |
| SAMBHI, Sarwjit RESIGNED | Director | 01 Jul 2004 | 20 Jun 2005 | | July 1969 | Old Priory, The Green, Datchet, Berkshire, SL3 9JL |
| SHEARS, John Nicholas RESIGNED | Director | 20 Jun 2005 | 20 Oct 2008 | British | October 1958 | Lovania Birch Lane, Ascot, Berkshire, SL5 8RF |
| SMALES, David Christopher RESIGNED | Director | 01 Jul 2004 | 24 Aug 2007 | | June 1967 | 2 Hillcroft, Careton, Pontefract, West Yorkshire, WF8 3SR |
| THOMAS, Luke RESIGNED | Director | 29 Jul 2010 | 12 Jul 2012 | United Kingdom | June 1966 | Millstream Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| ATLAS FIRST NOMINEES LIMITED RESIGNED | Director | 16 Jan 2001 | 16 Mar 2001 | | | Stanley House, Lord Street, Douglas, IM1 2BF |
| DCS NOMINEES LIMITED RESIGNED | Nominee Director | 16 Jan 2001 | 16 Jan 2001 | | | 1 Ashfield Road, Stockport, Cheshire, SK3 8UD |