| LUNDE, Anders Enerhaug, Corporate Secretary ACTIVE | Secretary | 31 Aug 2022 | | | | Dno Norge As, P.O. Box 404, N-4002 Stavanger, Badehusgata 37, 4014 Stavanger, Norway |
| ENGEBRETSEN, Halvor ACTIVE | Director | 19 Jun 2025 | | Norway | July 1968 | 1, Park Row, Leeds, LS1 5AB, United Kingdom |
| JOHANSEN, Birgitte Wendelbo ACTIVE | Director | 05 Dec 2025 | | Norway | October 1976 | 1, Park Row, Leeds, West Yorkshire, LS1 5AB, United Kingdom |
| SPENCER, Christopher Thomas Hyde ACTIVE | Director | 28 Jan 2019 | | Norway | August 1966 | Dno Asa, 1, Dokkveien, Oslo, 0250, Norway |
| BUTLER, Neil RESIGNED | Secretary | 16 Aug 1999 | 05 Nov 2015 | | | Crop House, Main Street, Upton, Newark, Nottinghamshire, NG23 5TE |
| CAINES, Christine Edith RESIGNED | Secretary | 27 May 2005 | 30 Nov 2006 | | | 15 Millfield Avenue, Saxilby, Lincoln, Lincolnshire, LN1 2QN |
| FLANAGAN, Michael Anthony RESIGNED | Secretary | | 20 Apr 1994 | | | 15 Wimborne Gardens, Ealing, London, W13 8BY |
| FORD, Sheree Leanne RESIGNED | Secretary | 11 Dec 2006 | 09 Nov 2009 | | | 10a Robe Street, St Kilda, Victoria 3182, Australia |
| NOLAN, Leanne Elizabeth RESIGNED | Secretary | 08 Nov 2010 | 05 Nov 2015 | | | Nicholsons Chartered Accountants, Newland House The Point, Weaver Road Lincoln, Lincolnshire, LN6 3QN |
| QUINN, Ute Angelique Joas RESIGNED | Secretary | 05 Apr 2019 | 31 Aug 2022 | | | V/Dno Asa, P.O. Box 1145, Vika, Dokkveien 1, 0113 Oslo, Norway |
| RIDDICK, Julian Galloway Money RESIGNED | Secretary | 05 Nov 2015 | 11 Apr 2019 | | | 30, Crown Place, London, EC2A 4ES |
| STEVENSON, Rosalind Jane RESIGNED | Secretary | | 26 May 2000 | | | 58 Pump Hollow Lane, Forest Town, Mansfield, Nottinghamshire, NG19 0AS |
| JD SECRETARIAT LIMITED RESIGNED | Nominee Secretary | | 20 Apr 1994 | | | 1 Lumley Street, Mayfair, London, W1Y 2NB |
| ATKINSON, John Paul RESIGNED | Director | 01 Apr 1999 | 29 Feb 2000 | | June 1954 | 16 East Bright, Lincoln, Lincolnshire, LN1 1QH |
| BAINES, Edgar RESIGNED | Director | 10 Mar 2000 | 19 Sep 2006 | | December 1950 | 18 Winnowsty Lane, Lincoln, LN2 5RZ |
| BRAATEN, Peter Alfred RESIGNED | Director | 02 Jun 1995 | 01 Aug 1999 | | March 1945 | 4 Fair Fields, Green Lane, Cobham, Surrey, KT11 2NN |
| BUTLER, Neil RESIGNED | Director | 25 May 2000 | 05 Nov 2015 | United Kingdom | September 1946 | Crop House, Main Street, Upton, Newark, Nottinghamshire, NG23 5TE |
| CLEMENT, Bruce Frederick William RESIGNED | Director | 11 Dec 2006 | 29 Oct 2010 | Australia | November 1956 | 78 Redmyre Road, Strathfield, New South Wales 2135, Australia |
| CLEMMEY, Henry, Dr RESIGNED | Director | | 11 Feb 1993 | United Kingdom | May 1947 | The Croft, Biggin, North Yorkshire, LS25 6HJ |
| COLBURNE, Stewart Ancil RESIGNED | Director | 09 May 1996 | 30 Apr 1997 | | October 1943 | 24 Vardell Place Nw, Calgary, T3A 0BD, Canada |
| COOPER, Jonathan Robert RESIGNED | Director | 05 Nov 2015 | 28 Jan 2019 | England | July 1968 | 30, Crown Place, London, EC2A 4ES |
| DALE, Bjorn Kenneth RESIGNED | Director | 28 Jan 2019 | 09 Oct 2023 | Norway | October 1974 | Dno Asa, 1, Dokkveien, Oslo, 0250, Norway |
| DEBONI, Walter RESIGNED | Director | 02 Jun 1995 | 30 Apr 1996 | Canada | July 1946 | 127 Oakside Close, Calgary, Alberta, T2V 4T9, Canada |
| DORAN, John, Dr RESIGNED | Director | 01 Aug 1999 | 27 Jun 2008 | | March 1946 | 30 Cranbrook Road, Bellevue Hill, New South Wales, 2023, Australia |
| FEMSTEINEVIK, Elisabeth Boehle RESIGNED | Director | 15 Jan 2024 | 19 Jun 2025 | Norway | August 1976 | Dno Asa, Dokkveien 1, Oslo, 0250, Norway |
| GJERDE, Orjan RESIGNED | Director | 09 Oct 2023 | 15 Jan 2024 | Norway | October 1969 | Dno Norge As, Skansegata 2, Stavanger, 4006, Norway |
| HAMMER, Helge RESIGNED | Director | 11 Apr 2018 | 28 Jan 2019 | Norway | June 1961 | 30, Crown Place, London, EC2A 4ES |
| HIRD, Kevin, Dr RESIGNED | Director | 11 Dec 2006 | 12 Dec 2008 | | September 1960 | Flat 1 Shepherd's House, 5 Shepherd Street, London, W1J 7HN |
| LINN, Alan Scott RESIGNED | Director | 08 Nov 2010 | 28 Feb 2015 | Australia | December 1957 | Nicholsons Chartered Accountants, Newland House The Point, Weaver Road Lincoln, Lincolnshire, LN6 3QN |
| LUNDIN, Adolf Henrik RESIGNED | Director | 11 Feb 1993 | 02 Jun 1995 | | | 6, Rue De Rive, PO BOX 494, 1211 Geneva 3, Geneva 1203, Switzerland |
| LUNDIN, Ian RESIGNED | Director | 11 Feb 1993 | 02 Jun 1995 | | September 1960 | PO BOX 9211, Dubai, United Arab Emirates |
| LUNDIN, Lukas RESIGNED | Director | | 11 Feb 1992 | | July 1958 | 26 Victoria Drive, Troon, Ayrshire, KA10 6JF |
| NEILSON, Anthony Myles, Neilson RESIGNED | Director | 23 Mar 2015 | 05 Nov 2015 | Australia | August 1971 | Nicholsons Chartered Accountants, Newland House The Point, Weaver Road Lincoln, Lincolnshire, LN6 3QN |
| RIDDICK, Julian Galloway Money RESIGNED | Director | 05 Nov 2015 | 28 Jan 2019 | England | November 1957 | 30, Crown Place, London, EC2A 4ES |
| SANDBORG, Haakon RESIGNED | Director | 03 Feb 2023 | 05 Dec 2025 | Norway | June 1958 | 21, Frits Kjaers Vei, Oslo, 0383, Norway |
| STEVENSON, Rosalind Jane RESIGNED | Director | 20 Aug 1998 | 26 May 2000 | | May 1955 | 58 Pump Hollow Lane, Forest Town, Mansfield, Nottinghamshire, NG19 0AS |
| STEWART, Graham Duncan RESIGNED | Director | 11 Apr 2018 | 28 Jan 2019 | Scotland | August 1960 | 30, Crown Place, London, EC2A 4ES |
| WHITELEY, Nicholas John Paul RESIGNED | Director | 28 Jan 2019 | 03 Feb 2023 | United Kingdom | April 1975 | Dno Asa, 1, Dokkveien, Oslo, 0250, Norway |
| WOOD, David Anthony RESIGNED | Director | 01 Jun 1993 | 20 Aug 1998 | England | January 1953 | 25 Badgers Oak, Bassingham, Lincoln, LN5 9JP |