| HARBOUR ENERGY SECRETARIES LIMITED ACTIVE | Secretary | 10 Oct 2022 | | | | 23, Lower Belgrave Street, London, SW1W 0NR, England |
| KRANE, Alexander Lorentzen ACTIVE | Director | 20 Oct 2021 | | Norway | March 1976 | C/O Teneo Financial Advisory Limited, The Colmore Building, 20 Colmore Circus Queensway, Birmingham, B4 6AT |
| LANDES, Howard Ralph ACTIVE | Director | 20 Oct 2021 | | United Kingdom | December 1975 | C/O Teneo Financial Advisory Limited, The Colmore Building, 20 Colmore Circus Queensway, Birmingham, B4 6AT |
| 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 |
| GRIMSHAW, David RESIGNED | Secretary | 13 Aug 2003 | 30 Sep 2019 | | | Brettenham House, Lancaster Place, London, WC2E 7EN, England |
| 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 |
| 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 | | | 18b Shrublands Road, Berkhamsted, Hertfordshire, HP4 3HY |
| STOKELD, Michael Philip, Sol RESIGNED | Secretary | 01 Oct 2002 | 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 |
| COMBINED SECRETARIAL SERVICES LIMITED RESIGNED | Nominee Secretary | 01 Oct 2002 | 01 Oct 2002 | | | Victoria House, 64 Paul Street, London, EC2A 4NG |
| ALLEN, Nicholas David RESIGNED | Director | 19 Apr 2012 | 05 Jan 2017 | United Kingdom | December 1967 | Portman House 2 Portman Street, London, W1H 6DU |
| ANDERSON, Robert Hendry RESIGNED | Director | 07 Sep 2009 | 13 May 2013 | Scotland | October 1956 | Portman House 2 Portman Street, London, W1H 6DU |
| BALTESKARD, Birger RESIGNED | Director | 09 Mar 2017 | 30 Sep 2019 | Norway | September 1962 | Brettenham House, Lancaster Place, London, WC2E 7EN, England |
| CHENIER, David Eric RESIGNED | Director | 19 Apr 2012 | 01 Aug 2015 | Scotland | April 1962 | Portman House 2 Portman Street, London, W1H 6DU |
| CONWAY, Christopher William RESIGNED | Director | 15 Mar 2010 | 30 Apr 2012 | England | January 1957 | Portman House 2 Portman Street, London, W1H 6DU |
| COOK, Thomas Edward RESIGNED | Director | 11 Nov 2002 | 14 Aug 2003 | | March 1955 | Kinross, 3 Manor Lane, Gerrards Cross, Buckinghamshire, SL9 9NH |
| ERIKSEN, Gisle RESIGNED | Director | 01 Oct 2002 | 14 Aug 2003 | | May 1963 | 1 Westerton Place, Cults, Aberdeen, AB15 9NS |
| 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 |
| FRETWELL, Michael Robert RESIGNED | Director | 13 Jul 2004 | 15 Oct 2006 | United Kingdom | June 1951 | Mulberry House 3 Glenfields, West End Lane, Stoke Poges, Buckinghamshire, SL2 4LS |
| GAUTREY, Christopher RESIGNED | Director | 21 Jan 2004 | 23 Dec 2011 | England | December 1948 | Portman House 2 Portman Street, London, W1H 6DU |
| GOFF, Gregory James RESIGNED | Director | 01 Oct 2002 | 14 Jul 2004 | | July 1956 | Wykehurst, Camp Road, Gerrards Cross, Buckinghamshire, SL9 7PB |
| GRIFFITHS, Malcolm David RESIGNED | Director | 01 Oct 2002 | 18 Sep 2003 | 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 |
| HASSLER, Robert Joseph RESIGNED | Director | 20 Oct 2006 | 01 Jun 2008 | | March 1952 | 10a Montagu Mews West, London, W1H 2EE |
| HASTINGS, Andrew David Richard RESIGNED | Director | 09 Oct 2009 | 15 Jun 2018 | Scotland | February 1961 | 20th Floor, 1 Angel Court, London, EC2R 7HJ, England |
| HERMAN, Robert Alan RESIGNED | Director | 01 Jun 2008 | 01 Mar 2010 | | November 1959 | Portman House 2 Portman Street, London, W1H 6DU |
| 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 |
| 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 |
| MCMORRAN, James Deas RESIGNED | Director | 14 Aug 2003 | 31 Dec 2003 | | July 1957 | 5 Somers Crescent, London, W2 2PN |
| OSBORNE, Andrew Jon RESIGNED | Director | 30 Sep 2019 | 26 Oct 2021 | United Kingdom | November 1969 | Brettenham House, Lancaster Place, London, WC2E 7EN, England |
| RAMSHAW, Roger Stephen RESIGNED | Director | 01 Oct 2002 | 31 Dec 2003 | Scotland | February 1949 | Broomwood, Ballater Road, Aboyne, Aberdeenshire, AB34 5HY |
| 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 |
| THEEDE, Steven Michael RESIGNED | Director | 01 Oct 2002 | 14 Aug 2003 | | March 1952 | Montpellier House, Templewood Lane, Stoke Poges, Buckinghamshire, SL2 4DA |
| WARWICK, Paul Cyril RESIGNED | Director | 03 Apr 2009 | 30 Apr 2012 | Scotland | April 1953 | Portman House 2 Portman Street, London, W1H 6DU |
| WOLFE, Patrick RESIGNED | Director | 22 May 2019 | 22 May 2019 | Scotland | February 1963 | 20th Floor, 1 Angel Court, London, EC2R 7HJ, England |
| 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 | 31 Oct 2015 | Scotland | May 1964 | Portman House 2 Portman Street, London, W1H 6DU |
| COMBINED NOMINEES LIMITED RESIGNED | Nominee Director | 01 Oct 2002 | 01 Oct 2002 | | | Victoria House, 64 Paul Street, London, EC2A 4NA |
| COMBINED SECRETARIAL SERVICES LIMITED RESIGNED | Nominee Director | 01 Oct 2002 | 01 Oct 2002 | | | Victoria House, 64 Paul Street, London, EC2A 4NG |