| HARBOUR ENERGY SECRETARIES LIMITED ACTIVE | Secretary | 10 Oct 2022 | | | | 151, Buckingham Palace Road, London, SW1W 9SZ, England |
| BARR, Scott ACTIVE | Director | 12 Dec 2024 | | Scotland | July 1976 | 151, Buckingham Palace Road, London, SW1W 9SZ, England |
| LANDES, Howard Ralph ACTIVE | Director | 20 Oct 2021 | | United Kingdom | December 1975 | 151, Buckingham Palace Road, London, SW1W 9SZ, England |
| SCOTT, Russell ACTIVE | Director | 12 Dec 2024 | | Scotland | September 1973 | 151, Buckingham Palace Road, London, SW1W 9SZ, England |
| COLLINS, Derryl Lynn RESIGNED | Secretary | 05 Oct 1998 | 11 Nov 2002 | | | 18 Montagu Court, 27-29 Montagu Square, London, W1H 1RE |
| COLLINS, Derryl Lynn RESIGNED | Secretary | | 01 Jul 1994 | | | 79 Clifton Hill, St Johns Wood, London, NW8 0JN |
| COOK, Thomas Edward RESIGNED | Secretary | 11 Nov 2002 | 13 Aug 2003 | | | Kinross, 3 Manor Lane, Gerrards Cross, Buckinghamshire, SL9 9NH |
| FLETCHER, Angela Sarah Helen RESIGNED | Secretary | 05 Aug 2005 | 23 Apr 2014 | | | Portman House, 2 Portman Street, London, W1H 6DU |
| GANNON, Frank Lawrence RESIGNED | Secretary | 01 Jul 1994 | 15 Jun 1997 | | | 73 Eaton Terrace, London, SW1W 8TH |
| GRAEBNER, Carol Ferne RESIGNED | Secretary | | 17 Sep 1993 | | | Park Mansions Flat 46-149 Knightsbridge, London, SW1X 7JN |
| GRIMSHAW, David RESIGNED | Secretary | 13 Aug 2003 | 30 Sep 2019 | | | Brettenham House, Lancaster Place, London, WC2E 7EN, England |
| HILL, Adrian Derek Glendon RESIGNED | Secretary | | 31 Jul 1996 | | | 4 Stradella Road, Halfmoon Lane, London, SE24 |
| LANDES, Howard Ralph RESIGNED | Secretary | 30 Sep 2019 | 10 Oct 2022 | | | Brettenham House, Lancaster Place, London, WC2E 7EN, England |
| OGILVIE, David Stewart RESIGNED | Secretary | 20 Oct 2006 | 01 Apr 2008 | | | 52 Hamilton Place, Aberdeen, Aberdeenshire, AB15 4BH |
| PELZER, Robert Edward RESIGNED | Secretary | 30 Jul 1996 | 05 Oct 1998 | | | Flat 2 51 Cadogan Square, London, SW1X OHY |
| PELZER, Robert Edward RESIGNED | Secretary | 09 May 1994 | 16 Jan 1995 | | | 7 Devonshire Road, Aberdeen, AB1 6XN |
| PEPIN, Jean-Francois Jacques Basile RESIGNED | Secretary | 13 May 2013 | 14 Aug 2014 | | | Portman House, 2 Portman Street, London, W1H 6DU |
| STIRRUP, Edith Jeannie RESIGNED | Secretary | 13 Aug 2003 | 30 Apr 2012 | | | Portman House, 2 Portman Street, London, W1H 6DU |
| STOKELD, Michael Philip, Sol RESIGNED | Secretary | 16 Jan 1995 | 13 Aug 2003 | | | 35 The Meadows, Milltimber, Aberdeen, AB13 0JT |
| WARD, Elaine June RESIGNED | Secretary | 13 Aug 2003 | 13 Oct 2006 | | | 18 Balmoral Place, Aberdeen, Aberdeenshire, AB10 6HR |
| ABEL, Roger Lee RESIGNED | Director | 09 May 1994 | 01 Jun 1997 | | August 1943 | 6 West Eaton Place, London, SW1W 8LS, England |
| ANDERSON, Robert Hendry RESIGNED | Director | 07 Sep 2009 | 13 May 2013 | Scotland | October 1956 | Portman House, 2 Portman Street, London, W1H 6DU |
| ATKINSON, William Silver RESIGNED | Director | | 30 Sep 1993 | | September 1937 | 1 Eton College Road, London, NW3 2BS |
| BLOOD, Ian RESIGNED | Director | | 09 May 1994 | | January 1951 | Bramble Cottage 15 Bridge Street, Whaddon, Royston, Hertfordshire, SG8 5SG |
| BOLEN, David Paul RESIGNED | Director | 01 Jul 1998 | 01 Jun 2001 | | December 1958 | 8 Angusfield Avenue, Aberdeen, AB15 6AQ |
| CHENIER, David Eric RESIGNED | Director | 19 Apr 2012 | 01 Aug 2015 | Scotland | January 1962 | Portman House, 2 Portman Street, London, W1H 6DU |
| COLLINS, Derry Lynn RESIGNED | Director | | 01 Jul 1994 | | May 1934 | 79 Clifton Hill, St Johns Wood, London, NW8 |
| COLLINS, Derryl Lynn RESIGNED | Director | 05 Oct 1998 | 11 Nov 2002 | | October 1947 | 18 Montagu Court, 27-29 Montagu Square, London, W1H 1RE |
| CONWAY, Christopher William RESIGNED | Director | 09 Apr 2010 | 30 Apr 2012 | England | January 1957 | Portman House, 2 Portman Street, London, W1H 6DU |
| DUNHAM, Archie Wallace RESIGNED | Director | 01 Nov 1992 | 09 May 1994 | | December 1938 | Conoco Center, 600 North Dairy Ashford, Houston 77079, FOREIGN, Usa |
| ERIKSEN, Gisle RESIGNED | Director | 01 Jun 2001 | 14 Aug 2003 | | May 1963 | 1 Westerton Place, Cults, Aberdeen, AB15 9NS |
| FARTHING, David Andrew, Vivian RESIGNED | Director | 14 Nov 2008 | 09 Oct 2009 | Scotland | September 1957 | Ffyrling Dy, St. Eunans Road, Aboyne, Aberdeenshire, AB34 5HH, Scotland |
| FREDIN, Todd William RESIGNED | Director | 14 Aug 2003 | 31 Jan 2010 | | May 1954 | Thornton, 48 Ince Road Burwood Park, Walton On Thames, Surrey, KT12 5BJ |
| GANNON, Frank Lawrence RESIGNED | Director | 01 Jul 1994 | 15 Jun 1997 | | August 1938 | 73 Eaton Terrace, London, SW1W 8TH |
| GAUTREY, Christopher RESIGNED | Director | 21 Jan 2004 | 07 Sep 2009 | England | December 1948 | 4 Packwood Mews, Humphris Street, Warwick, Warwickshire, CV34 5NG |
| GOFF, Gregory James RESIGNED | Director | 03 Sep 2002 | 14 Aug 2003 | | July 1956 | Wykehurst, Camp Road, Gerrards Cross, Buckinghamshire, SL9 7PB |
| GRIFFITHS, Malcolm David RESIGNED | Director | 01 Mar 1999 | 18 Sep 2003 | England | December 1951 | Orchard Hey, Ballinger Road South Heath, Great Missenden, Buckinghamshire, HP16 9QH |
| GRIFFITHS, Malcolm David RESIGNED | Director | 23 Jul 1993 | 09 May 1994 | England | December 1951 | Orchard Hey, Ballinger Road South Heath, Great Missenden, Buckinghamshire, HP16 9QH |
| HALLIWELL, Andrew Roy RESIGNED | Director | 05 Aug 2005 | 05 Mar 2010 | | March 1957 | Portman House, 2 Portman Street, London, W1H 6DU |
| HALLIWELL, Andrew Roy RESIGNED | Director | 14 Jan 2004 | 22 Mar 2004 | | March 1957 | 14 Westfield Terrace, Aberdeen, Aberdeenshire, AB25 2RU |
| HAMM, William Ricky RESIGNED | Director | 01 Jun 2000 | 03 Sep 2002 | | May 1947 | 13 Palace Gardens Terrace, London, W8 4SA |
| HASTINGS, Andrew David Richard RESIGNED | Director | 09 Oct 2009 | 15 Jun 2018 | Scotland | February 1961 | 20th Floor, 1 Angel Court, London, EC2R 7HJ, England |
| IRELAN, Robert Earl RESIGNED | Director | | 01 Oct 1993 | | May 1946 | 6 Queens Gardens, Aberdeen, Aberdeenshire, AB1 6YD |
| KEM, David Oliver RESIGNED | Director | | 01 Jun 2000 | | November 1943 | 13 Palace Gardens Terrace, London, W8 4SA |
| KENNEDY, Archibald Wood RESIGNED | Director | 22 Mar 2004 | 03 Apr 2009 | United Kingdom | June 1958 | The Garran, Crawton Bay, Stonehaven, Aberdeenshire, AB39 2TP |
| KING, Terri Gay RESIGNED | Director | 05 Jan 2017 | 30 Sep 2019 | United Kingdom | March 1961 | Brettenham House, Lancaster Place, London, WC2E 7EN, England |
| KIRK, Philip Andrew RESIGNED | Director | 30 Sep 2019 | 28 Feb 2022 | England | May 1966 | Brettenham House, Lancaster Place, London, WC2E 7EN, England |
| KNUDSON, Thomas Clifford RESIGNED | Director | 01 Jun 1997 | 01 Jul 2000 | | April 1946 | 6 St Marys Place, Kensington Green Marloes Road, London, W8 5UE |
| KRANE, Alexander Lorentzen RESIGNED | Director | 20 Oct 2021 | 12 Dec 2024 | Norway | March 1976 | 151, Buckingham Palace Road, London, SW1W 9SZ, England |
| MACKLON, Dominic Edward RESIGNED | Director | 01 Aug 2015 | 05 Jan 2017 | Scotland | April 1969 | Portman House, 2 Portman Street, London, W1H 6DU |
| MAXSON, Page Frank RESIGNED | Director | 14 Aug 2003 | 22 Nov 2004 | | December 1960 | 5 Northcote Hill, Aberdeen, AB15 7TW |
| MAYS, Miles Claren RESIGNED | Director | | 09 May 1994 | | February 1938 | 23 Charles Ii Place, Kings Road Chelsea, London, SW3 4NG |
| MCGEACHIE, Daniel RESIGNED | Director | | 10 Jun 2000 | | June 1935 | 27 Hitherwood Drive, London, SE19 1XA |
| MCLAUGHLIN, Gary Lynn RESIGNED | Director | | 28 Feb 1994 | | May 1946 | Flat 7 23 Pembridge Crescent, London, W11 3DS |
| MCMORRAN, James Deas RESIGNED | Director | 14 Aug 2003 | 31 Dec 2003 | | July 1957 | 5 Somers Crescent, London, W2 2PN |
| MERRIMAN, Gary RESIGNED | Director | 23 Jul 1993 | 09 May 1994 | | August 1954 | 48 Gladstone Place, Queens Cross, Aberdeen, AB1 6XA |
| MOORE, Terence RESIGNED | Director | | 31 Jul 1995 | | December 1931 | 67 Merchant Court Thorpes Yard, 61 Wapping Wall, London, E1 9NH |
| OSBORNE, Andrew Jon RESIGNED | Director | 30 Sep 2019 | 26 Oct 2021 | United Kingdom | November 1969 | Brettenham House, Lancaster Place, London, WC2E 7EN, England |
| PELZER, Robert Edward RESIGNED | Director | 15 Jun 1997 | 05 Oct 1998 | | October 1953 | Flat 2 51 Cadogan Square, London, SW1X OHY |
| PITCHER, Max Grow RESIGNED | Director | | 01 Nov 1992 | | April 1935 | 115 Sandlewood, Houston, Texas 77024, FOREIGN, Usa |
| RAMSHAW, Roger Stephen RESIGNED | Director | 03 Sep 2002 | 31 Dec 2003 | Scotland | February 1949 | Broomwood, Ballater Road, Aboyne, Aberdeenshire, AB34 5HY |
| REID, Anthony Gainford RESIGNED | Director | | 31 Dec 1993 | | February 1943 | Flat 2, 120 Wigmore Street, London, W1H 9FD |
| ROBINSON, Ronald Bruce RESIGNED | Director | 09 May 1994 | 06 Sep 1996 | | July 1944 | 16 Woodburn Avenue, Aberdeen, AB1 8JQ |
| SCOTT, Russell RESIGNED | Director | 25 Sep 2018 | 30 Sep 2019 | Scotland | September 1973 | Brettenham House, Lancaster Place, London, WC2E 7EN, England |
| SIMPSON, Katherine Susan RESIGNED | Director | 15 Jun 2018 | 22 May 2019 | United Kingdom | October 1961 | 20th Floor, 1 Angel Court, London, EC2R 7HJ, England |
| SKJERVOY, Arild RESIGNED | Director | 14 Aug 2003 | 05 Aug 2005 | | November 1958 | 2 Macaulay Drive, Craigiebuckler, Aberdeen, AB15 8FL |
| STALKER, Ross Graham RESIGNED | Director | 31 Oct 2015 | 25 Sep 2018 | United Kingdom | October 1964 | 20th Floor, 1 Angel Court, London, EC2R 7HJ, England |
| STINSON, John Michael RESIGNED | Director | | 18 Mar 1993 | | August 1943 | 6 Prince Albert Road, London, NW1 7SR |
| SYMON, John Charles RESIGNED | Director | | 01 Aug 1993 | | August 1943 | Kingsknowe 68 Shortheath Road, Farnham, Surrey, GU9 8SQ |
| THEEDE, Steven Michael RESIGNED | Director | 01 Jul 2000 | 14 Aug 2003 | | March 1952 | Montpellier House, Templewood Lane, Stoke Poges, Buckinghamshire, SL2 4DA |
| TIPTON, Ronald Gene RESIGNED | Director | 06 Sep 1996 | 01 Jul 1998 | | June 1942 | 17 Royfold Crescent, Aberdeen, Grampian, AB2 6BH |
| WALLACE, James Rodney RESIGNED | Director | | 09 May 1994 | | June 1937 | 7 Greaves Close, Warwick, CV34 6LU |
| WALSH, John Ronald RESIGNED | Director | 09 May 1994 | 01 Mar 1999 | | July 1947 | 28 Queens Grove, London, NW8 6HJ |
| WARRENDER, John Mcandrew RESIGNED | Director | 14 Nov 2008 | 03 Jul 2013 | Scotland | July 1961 | Portman House, 2 Portman Street, London, W1H 6DU |
| WARWICK, Paul Cyril RESIGNED | Director | 03 Apr 2009 | 30 Apr 2012 | Scotland | April 1953 | Portman House, 2 Portman Street, London, W1H 6DU |
| WATKINS, George Edward RESIGNED | Director | 01 Oct 1993 | 03 Sep 2002 | United Kingdom | August 1943 | 12 Rubislaw Den South, Aberdeen, Aberdeenshire, AB15 4BB |
| WATTS, David RESIGNED | Director | | 09 May 1994 | United Kingdom | March 1939 | Mycroft House Stanley Road, Battledown, Cheltenham, Gloucestershire, GL52 6QD |
| WOLFE, Patrick RESIGNED | Director | 22 May 2019 | 30 Sep 2019 | Scotland | February 1963 | Brettenham House, Lancaster Place, London, WC2E 7EN, England |
| WRIGHT, Michael Don RESIGNED | Director | 13 May 2013 | 29 Oct 2015 | Scotland | May 1964 | Portman House, 2 Portman Street, London, W1H 6DU |