| SISEC LIMITED ACTIVE | Secretary | 14 Dec 2018 | | | | 21, Holborn Viaduct, London, EC1A 2DY, England |
| ABBOTT, David ACTIVE | Director | 30 Nov 2023 | | England | June 1983 | Guildhall, PO BOX 270, London, EC2P 2EJ, United Kingdom |
| WILKINSON, Paul Graham ACTIVE | Director | 14 Dec 2018 | | United Kingdom | November 1962 | Guildhall, PO BOX 270, London, Ec2p 2ej, England |
| YOUNG, Peter Derek ACTIVE | Director | 14 Dec 2018 | | England | April 1966 | Guildhall, PO BOX 270, London, Ec2p 2ej, England |
| CLARKE, Rachael Louise RESIGNED | Secretary | 01 Jan 2004 | 14 Dec 2018 | | | Barking Power Station, Chequers Lane, Dagenham, Essex, RM9 6PF |
| ROSENTHAL, Peter Alan RESIGNED | Secretary | | 01 Jan 2004 | | | 2 Bryanston Square, London, W1H 2DH |
| SWIFT INCORPORATIONS LIMITED RESIGNED | Nominee Secretary | 28 Jun 1991 | 19 Jul 1991 | | | 26, Church Street, London, NW8 8EP |
| BAUER, Gary Keith RESIGNED | Director | 09 Mar 1992 | 31 May 1993 | | April 1945 | 41 Douglas Park Manor Se, Calgary, Alberta, T2Z 2L1, Canada |
| BAUER, Gary Keith RESIGNED | Director | | 01 Feb 2005 | | April 1945 | 41 Douglas Park Manor Se, Calgary, Alberta, T2Z 2L1, Canada |
| BRITTON, William Leonard RESIGNED | Director | | 01 Sep 2009 | | December 1934 | 408 Wilderness Place Se, Calgary, Alberta, T2J 2GS, Canada |
| BROUWER, Richard John RESIGNED | Director | 23 May 2006 | 19 Nov 2010 | Canada | February 1960 | 900,, 919, 11 Avenue Sw, Calgary, Alberta, T2R 1P3, Canada |
| DECHAMPLAIN, Dennis Albert RESIGNED | Director | 18 Jan 2017 | 01 Jun 2017 | Canada | January 1964 | 2 Queen Anne's Gate Buildings, Dartmouth Street, London, SW1H 9BP, England |
| ELL, John William RESIGNED | Director | 04 Jan 2011 | 30 Jun 2014 | Canada | February 1958 | 2, Queen Anne's Gate Buildings, Dartmouth Street, London, SW1H 9BP, England |
| GAREAU, Chad Leo RESIGNED | Director | 04 Dec 2015 | 18 Jan 2017 | Canada | April 1979 | Suite 600, 4838 Richard Rd Sw, Calgary, Alberta, T3E 6L1, Canada |
| GREGORY, Philip RESIGNED | Director | 14 Dec 2018 | 01 Dec 2019 | England | October 1980 | Guildhall, PO BOX 270, London, Ec2p 2ej, England |
| GUNN, John Cameron RESIGNED | Director | 19 Jul 1991 | 09 Mar 1992 | | March 1942 | 17 Davies Street, London, W1Y 1LN |
| JONES, Michael Derek RESIGNED | Director | 01 Oct 2001 | 14 Dec 2018 | England | December 1956 | 2, Queen Anne's Gate Buildings, Dartmouth Street, London, SW1H 9BP, England |
| KIEFER, Siegfried Willi RESIGNED | Director | 04 Jan 2011 | 30 Jun 2014 | Canada | October 1958 | 2, Queen Anne's Gate Buildings, Dartmouth Street, London, SW1H 9BP, England |
| LAKE, Grant Mcdonald RESIGNED | Director | 01 Aug 2008 | 04 Jan 2011 | Canada | January 1949 | 103, Woodfield Road Sw, Calgary, Alberta, Canada |
| NIELSEN, Karen Ann RESIGNED | Director | 01 Feb 2018 | 14 Dec 2018 | Canada | November 1967 | 4th Floor, East Tower, 5302 Forand Street Sw, Calgary, Alberta, T3E 8B4, Canada |
| NORTON, John Lindsey RESIGNED | Director | 30 Jun 1999 | 04 Jan 2011 | England | May 1935 | 2, Queen Anne's Gate Buildings, Dartmouth Street, London, SW1H 9BP, England |
| OPOCENSKY, Jiri RESIGNED | Director | 04 Jan 2011 | 12 Dec 2016 | Canada | July 1956 | 2, Queen Anne's Gate Buildings, Dartmouth Street, London, SW1H 9BP, England |
| PIRO, Robert Stephen RESIGNED | Director | 30 Jun 2014 | 01 Feb 2018 | Canada | December 1956 | 2 Queen Anne's Gate Buildings, Dartmouth Street, London, SW1H 9BP, England |
| PULLMAN, Anthony John RESIGNED | Director | 30 Jun 1999 | 28 Apr 2004 | | August 1945 | 51 Canova Close Sw, Calgary, Alberta, Canada, T2W 3P7 |
| REYNOLDS, Steven RESIGNED | Director | 01 Dec 2020 | 01 Sep 2022 | United Kingdom | August 1970 | Guildhall, PO BOX 270, London, EC2P 2EJ, United Kingdom |
| RICHARDSON, Cameron Scott RESIGNED | Director | 09 Mar 1992 | 21 Jul 1997 | | March 1932 | 1600 909 11th Avenue, S W Calgary, Alberta T2r 1n6, Canada |
| ROSENTHAL, Peter Alan RESIGNED | Director | 01 Jan 1999 | 01 Jan 2004 | England | April 1938 | 2 Bryanston Square, London, W1H 2DH |
| ROSENTHAL, Peter Alan RESIGNED | Director | 01 Jan 1999 | 30 Jun 1999 | England | April 1938 | 2 Bryanston Square, London, W1H 2DH |
| ROSENTHAL, Peter Alan RESIGNED | Director | 01 Jan 1999 | 14 Dec 2018 | England | April 1938 | 2 Bryanston Square, London, W1H 2DH |
| SEBASTIAN, Peter Anthony RESIGNED | Director | 01 Dec 2022 | 01 Feb 2023 | England | June 1981 | Guildhall, PO BOX 270, London, EC2P 2EJ, United Kingdom |
| SMITH, Ian Alexander RESIGNED | Director | 30 Jun 1999 | 28 Apr 2004 | England | January 1953 | Eastwood Farm Scabharbour Road, Hildenborough, Tonbridge, Kent, TN11 8PJ |
| SOUTHERN, Nancy Christine RESIGNED | Director | 28 Apr 2004 | 19 Nov 2010 | Canada | August 1956 | Box 2 Site 14 Rr 8, Calgary, Alberta, T2J 2TO, Canada |
| SOUTHERN, Nancy Christine RESIGNED | Director | 01 Jun 1998 | 30 Jun 1999 | Canada | August 1956 | Box 2 Site 14 Rr 8, Calgary, Alberta, T2J 2TO, Canada |
| SOUTHERN, Ronald Donald RESIGNED | Director | 09 Mar 1992 | 30 Jun 1999 | | August 1930 | 67 Massey Place, S W Calgary, Alberta T2v 2g7, Canada |
| THOMPSON, Peter Graham RESIGNED | Director | 19 Jul 1991 | 31 Oct 1991 | England | August 1952 | South New House Barn Newhouse Lane, Sheldwich, Faversham, Kent, ME13 9QS |
| TWA, Craighton Oliver RESIGNED | Director | 09 Mar 1992 | 30 Jun 1999 | | October 1937 | 1319 Baldwin Crescent Sw, Calgary, Alberta, Canada, T2V 2B7 |
| URWIN, Roger John, Dr RESIGNED | Director | 18 Jan 2011 | 14 Dec 2018 | United Kingdom | February 1946 | 2, Queen Anne's Gate Buildings, Dartmouth Street, London, SW1H 9BP, England |
| WALTHALL, Richard Henry RESIGNED | Director | 01 Mar 2005 | 01 Jul 2008 | | November 1946 | 1103, 10731 Saskatchewan Drive, Edmonton, Alberta T6e 6h1, Canada |
| WARKENTIN, Clinton George RESIGNED | Director | 01 Jun 2017 | 14 Dec 2018 | Ab, Canada | November 1973 | 1500, 909 - 11th Avenue Se, Calgary, Alberta T2r 1n6, Canada |
| WATSON, Karen Mae RESIGNED | Director | 01 Mar 2005 | 22 May 2006 | | November 1951 | 2141 - 15 Street Sw, Calgary, Alberta T2t 3y9, Canada |
| WELSH, Gerald Wayne RESIGNED | Director | 28 Apr 2004 | 01 Mar 2005 | | June 1947 | 1202 801-2 Avenue Sw, Calgary, Alberta T2p 4z9, Canada |
| WELSH, Gerry Wayne RESIGNED | Director | 02 Dec 1992 | 30 Jun 1999 | | June 1947 | Flat 50 Regent Court 1 North Bank, St John's Wood, London, NW8 8UN |
| WOOD, John Denison RESIGNED | Director | 09 Mar 1992 | 21 Jul 1997 | | September 1931 | 1428 Beverley Plc, S W Calgary, Alberta, T2V 2C6, Canada |
| WRIGHT, Paul Gregory RESIGNED | Director | 30 Jun 2014 | 04 Dec 2015 | Canada | October 1958 | #400, 919, 11 Avenue Sw, Calgary, Alberta T2r 1p3, Canada |
| INSTANT COMPANIES LIMITED RESIGNED | Nominee Director | 28 Jun 1991 | 19 Jul 1991 | | | 1, Mitchell Lane, Bristol, Avon, BS1 6BU |