| VISTRA COSEC LIMITED ACTIVE | Secretary | 15 Oct 2018 | | | | First Floor, Templeback, 10 Temple Back, Bristol, BS1 6FL, United Kingdom |
| BANKS, Simon James ACTIVE | Director | 30 Mar 2004 | | United Kingdom | April 1967 | Salamander Quay West, Park Lane, Harefield, Middlesex, UB9 6NZ |
| HEALE, Edward Christopher Fairfax ACTIVE | Director | 20 Jul 2018 | | United Kingdom | July 1973 | Salamander Quay West, Park Lane, Harefield, Middlesex, UB9 6NZ |
| HOLLETT, Philip Stevenson ACTIVE | Director | 01 Aug 2005 | | England | August 1961 | Salamander Quay West, Park Lane, Harefield, Middlesex, UB9 6NZ |
| LEIGH, Thomas William Elliott ACTIVE | Director | 15 Oct 2018 | | England | November 1971 | Salamander Quay West, Park Lane, Harefield, Uxbridge, Middlesex, UB9 6NZ, United Kingdom |
| BANKS, Simon James RESIGNED | Secretary | 12 Jun 2006 | 15 Oct 2018 | | | Salamander Quay West, Park Lane, Harefield, Middlesex, UB9 6NZ |
| COLGAN, Thomas Martin RESIGNED | Secretary | 04 Feb 2004 | 12 Jun 2006 | | | 7 Cedar Drive, Hatch End, Pinner, Middx, HA5 4DD |
| ALDBURY SECRETARIES LIMITED RESIGNED | Nominee Secretary | 04 Feb 2004 | 04 Feb 2004 | | | Ternion Court, 264-268 Upper Fourth Street, Central Milton Keynes, Bucks, MK9 1DP |
| BROOKES, Christopher RESIGNED | Director | 04 Feb 2004 | 12 Jun 2006 | United Kingdom | November 1956 | 10 Highlands, Farnham Common, Slough, Berkshire, SL2 3JR |
| COLGAN, Thomas Martin RESIGNED | Director | 12 Jun 2006 | 11 Jan 2007 | United Kingdom | October 1964 | 7 Cedar Drive, Hatch End, Pinner, Middx, HA5 4DD |
| DOBLE, David John RESIGNED | Director | 13 Feb 2009 | 02 Jan 2018 | England | October 1964 | Salamander Quay West, Park Lane, Harefield, Middlesex, UB9 6NZ |
| FAURE, Didier Joseph Andre RESIGNED | Director | 01 Sep 2017 | 20 Jun 2018 | England | September 1966 | Salamander Quay West, Park Lane, Harefield, Middlesex, UB9 6NZ |
| FINCH, Robert Anthony RESIGNED | Director | 30 Mar 2004 | 31 Mar 2006 | | February 1942 | 108 High Street, Kimpton, Hitchin, Hertfordshire, SG4 8QP |
| HAWKER, Michael James RESIGNED | Director | 30 Mar 2004 | 12 Jun 2006 | England | January 1938 | Manor Croft 45 Lady Byron Lane, Knowle, Solihull, West Midlands, B93 9AX |
| ALDBURY DIRECTORS LIMITED RESIGNED | Nominee Director | 04 Feb 2004 | 04 Feb 2004 | | | Ternion Court, 264-268 Upper Fourth Street, Central Milton Keynes, Bucks, MK9 1DP |