| APPLETON, Guy Robert Maurice ACTIVE | Director | 20 Dec 2017 | | United Kingdom | April 1972 | Kellas Midstream Limited, 7th Floor, The Silver Fin Building, 455 Union Street, Aberdeen, AB11 6DB, United Kingdom |
| HESSELL, Andrew David ACTIVE | Director | 20 Dec 2017 | | United Kingdom | October 1965 | Kellas Midstream Limited, 7th Floor, The Silver Fin Building, 455 Union Street, Aberdeen, AB11 6DB, United Kingdom |
| LUYPAERT, Thomas Jack Robert ACTIVE | Director | 30 Jan 2020 | | United Kingdom | February 1987 | 12, Throgmorton Avenue, London, EC2N 2DL, United Kingdom |
| GILES, Gail Valerie RESIGNED | Secretary | | 02 Dec 1997 | | | North Sundaysight, Bellingham, Hexham, Northumberland, NE48 2JE |
| HOBDEN, Brian RESIGNED | Secretary | 03 Aug 2006 | 15 Nov 2006 | | | 40 Woodburn Crescent, Aberdeen, AB15 8JX |
| KIRK, Philip Andrew RESIGNED | Secretary | 23 Jul 2003 | 03 Aug 2006 | | | 5 Old Deer Park Gardens, Richmond, Surrey, TW9 2TN |
| MISTRY, Bhavna RESIGNED | Secretary | 28 Jan 2003 | 23 Jul 2003 | | | 37 Warren Road, Whitton, Twickenham, Middlesex, TW2 7DH |
| SPARKES, Michael Jack RESIGNED | Secretary | 02 Dec 1997 | 28 Jan 2003 | | | The Pantiles Main Street, Thorney, Newark, Nottinghamshire, NG23 7BS |
| WAITE, Simon Nicholas RESIGNED | Secretary | 15 Nov 2006 | 02 Oct 2009 | | | 2 Chestnut Lane, Banchory, Aberdeenshire, AB31 5PH |
| CENTRICA SECRETARIES LIMITED RESIGNED | Secretary | 02 Oct 2009 | 20 Dec 2017 | | | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| WEIL, GOTSHAL & MANGES (LONDON) LLP RESIGNED | Secretary | 20 Dec 2017 | 20 Dec 2017 | | | 110, Fetter Lane, London, EC4A 1AY, United Kingdom |
| ABEL, Gregory Edward RESIGNED | Director | 01 Dec 1997 | 28 Jan 2003 | Usa | June 1962 | 4710 George Mills Parkway 402, West Des Moines, Iowa, 50265, United States |
| BEGBIE, Roderick Mcintosh RESIGNED | Director | 03 Aug 2006 | 02 Oct 2009 | | April 1966 | 11 Kepplestone Gardens, Aberdeen, Aberdeenshire, AB15 4DH |
| BRICKNELL, Bruce David Neil RESIGNED | Director | 01 Jan 2014 | 13 Jul 2016 | United Kingdom | July 1963 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD, United Kingdom |
| CLAYTON, Marie-Louise RESIGNED | Director | 03 Aug 2006 | 06 Dec 2006 | | August 1960 | 309 North Deeside Road, Aberdeen, AB13 0DL |
| CONNOR, Phillip Eric RESIGNED | Director | 15 Jun 1999 | 28 Jan 2003 | England | October 1948 | Billy Hill House, Stanley, Crook, County Durham, DL15 9QS |
| CROSBIE, Mark John RESIGNED | Director | 20 Dec 2017 | 30 Jan 2020 | United Kingdom | November 1959 | 14, St. George Street, London, W1S 1FE, United Kingdom |
| DAVIES, John George RESIGNED | Director | 01 Dec 1997 | 21 May 2002 | | January 1952 | Cotchet Barn Blackdown, Haslemere, Surrey, GU27 3BS |
| DIXON, Ronald RESIGNED | Director | | 21 Jan 1993 | England | September 1937 | 1 Berkley Avenue, Blaydon, Tyne & Wear, NE21 5NN |
| FRIEDEL, Guillaume Jacques Robert RESIGNED | Director | 20 Dec 2017 | 30 Jan 2020 | United States | May 1982 | 14, St. George Street, London, W1S 1FE, United Kingdom |
| GILES, Gail Valerie RESIGNED | Director | 21 Jan 1993 | 01 Dec 1997 | England | December 1951 | North Sundaysight, Bellingham, Hexham, Northumberland, NE48 2JE |
| GROVES, Alan RESIGNED | Director | | 21 Jan 1993 | | April 1936 | 37 Avondale Road, Ponteland, Newcastle Upon Tyne, Tyne & Wear, NE20 9NA |
| GUGEN, Francis Robert RESIGNED | Director | 23 Jul 2003 | 03 Aug 2006 | United Kingdom | February 1949 | 7, Down Street, London, W1J 7AJ |
| HANAFIN, Vincent Mark RESIGNED | Director | 02 Oct 2009 | 01 Jan 2014 | United Kingdom | October 1959 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| IFKER, Stephane Julien RESIGNED | Director | 20 Dec 2017 | 30 Jan 2020 | France | April 1973 | 14, St. George Street, London, W1S 1FE, United Kingdom |
| KIRK, Philip Andrew RESIGNED | Director | 23 Jul 2003 | 03 Aug 2006 | | May 1966 | 5 Old Deer Park Gardens, Richmond, Surrey, TW9 2TN |
| LE POIDEVIN, Andrew Daryl RESIGNED | Director | 14 Jul 2017 | 20 Dec 2017 | England | April 1958 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| LINGE, Kenneth RESIGNED | Director | 23 Dec 2002 | 23 Jul 2003 | England | November 1949 | Drystones Heugh House Lane, Haydon Bridge, Northumberland, NE47 6ND |
| LUMSDEN, Roy Andrew RESIGNED | Director | 05 Jun 2015 | 14 Jul 2017 | United Kingdom | April 1958 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD |
| MORRIS, David Richard RESIGNED | Director | | 21 Jan 1993 | United Kingdom | July 1934 | Churchfield 1 Top Street, Wing, Oakham, Leicestershire, LE15 8SE |
| MURPHY, Jonathan David RESIGNED | Director | 03 Aug 2006 | 15 Jan 2007 | | January 1956 | 74 Beaconsfield Place, Aberdeen, Aberdeenshire, AB15 4AJ |
| OZSANLAV, Richard RESIGNED | Director | 01 Jan 2014 | 05 Jun 2015 | United Kingdom | May 1969 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD, United Kingdom |
| PICOTTE, Christopher RESIGNED | Director | 26 Jan 2007 | 17 May 2013 | | February 1970 | Arclight Capital Partners Llc, 200 Clarendon Street 55th Floor, Boston, MA 02117, Usa |
| ROGER, Jonathan Leslie RESIGNED | Director | 02 Oct 2009 | 20 May 2013 | United Kingdom | May 1969 | AB15 |
| ROGER, Jonathan Leslie RESIGNED | Director | 03 Aug 2006 | 15 Jan 2007 | United Kingdom | May 1969 | AB15 |
| ROUTH, Mark Christopher RESIGNED | Director | 23 Jul 2003 | 03 Aug 2006 | | January 1958 | 36 Baskerville Road, London, SW18 3RS |
| SAMBHI, Sarwjit RESIGNED | Director | 20 May 2013 | 01 Jan 2014 | United Kingdom | July 1969 | Millstream, Maidenhead Road, Windsor, Berkshire, SL4 5GD, United Kingdom |
| TANNER, Paul Martyn, Roger RESIGNED | Director | 01 Jan 2014 | 20 Dec 2017 | Scotland | July 1973 | Iq Building, 15 Justice Mill Lane, Aberdeen, AB11 6EQ, United Kingdom |
| TAYLOR, Richard Charles RESIGNED | Director | 21 Jan 1993 | 01 Dec 1997 | | May 1945 | 1 Charleswood, Whitebridge Park Gosforth, Newcastle Upon Tyne, Tyne And Wear, NE3 5LZ |
| TREEN, Jonathan James RESIGNED | Director | 01 Dec 1997 | 21 May 2002 | England | August 1957 | 32 Sheridan Road, Wimbledon, London, SW19 3HP |
| TURNER, Robb Eric RESIGNED | Director | 26 Jan 2007 | 17 May 2013 | | May 1962 | 162 Upper Mountain Avenue, Montclair, New Jersey 07042, FOREIGN, Usa |
| WAGSTAFF, Michael John RESIGNED | Director | 03 Aug 2006 | 02 Oct 2009 | United Kingdom | November 1961 | Stockfield House, Tilford Road, Churt, Farnham, Surrey, GU10 2LS |
| WEIR, Fraser Dawson RESIGNED | Director | 13 Jul 2016 | 20 Dec 2017 | Netherlands | February 1972 | Transpolis Building, Polarisavenue 39, 2132 Jh Hoofddorp, Netherlands |
| YOUNGS, Peter Robert Antony RESIGNED | Director | 01 Dec 1997 | 23 Jul 2003 | | April 1954 | Redhall Cottage, Redhall Lane Chandlers Cross, Crowley Green, Hertfordshire, WD3 4LS |