| KLEIN, Kevin Michael, Mr. ACTIVE | Secretary | 01 Feb 2021 | | | | Cannon Place, 78 Cannon Street, London, EC4N 6AF, England |
| WILSON, Peter Henderson ACTIVE | Secretary | 30 Sep 2024 | | | | Cannon Place, 78 Cannon Street, London, EC4N 6AF, England |
| COGHILL, Jools Alexander ACTIVE | Director | 14 Oct 2020 | | Scotland | January 1968 | Cannon Place, 78 Cannon Street, London, EC4N 6AF, England |
| KLEIN, Kevin Michael, Mr. ACTIVE | Director | 01 Feb 2021 | | Luxembourg | April 1968 | Cannon Place, 78 Cannon Street, London, EC4N 6AF, England |
| WILSON, Peter Henderson ACTIVE | Director | 31 Jul 2019 | | Scotland | January 1967 | Cannon Place, 78 Cannon Street, London, EC4N 6AF, England |
| AUSTIN, Charles William RESIGNED | Secretary | 26 Nov 1993 | 26 Feb 1994 | | | 3320 Wentwood, Dallas, Texas, 75225, United States Of America |
| BRADY, Steven Joseph RESIGNED | Secretary | 31 May 2011 | 05 Jun 2013 | | | Badentoy House, Badentoy Industriaql Estate, Aberdeen, AB12 4YB, United Kingdom |
| BRADY, Steven Joseph RESIGNED | Secretary | 01 May 2004 | 01 Oct 2007 | | | Mains Of Auchattie, Banchory, Grampian, AB31 6PT |
| BROOKS, Kent RESIGNED | Secretary | 26 Nov 1993 | 01 Apr 1999 | | | 3883 Turtle Creek Boulevard 2104, Dallas Texas 75219, United States Of America |
| CHADWICK JUNIOR, William Supple RESIGNED | Secretary | 26 Nov 1993 | 01 Jul 2002 | | | 2309 Country Valley, Garland Texas 75041, United States Of America |
| CROSS, Jonathan Paul RESIGNED | Secretary | 31 Jul 2019 | 30 Sep 2024 | | | Cannon Place, 78 Cannon Street, London, EC4N 6AF, England |
| HALL, Julian Richard RESIGNED | Secretary | 05 Jun 2013 | 18 Jun 2020 | | | Ensco House, Gateway Crescent, Gateway Business Park, Aberdeen, AB12 3GA, United Kingdom |
| HENSEL, David Ethan, Mr. RESIGNED | Secretary | 01 Oct 2007 | 30 Nov 2009 | | | 2, Queens Avenue North, Aberdeen, Scotland, AB15 6WQ, United Kingdom |
| ISAAC, Robert Odus RESIGNED | Secretary | 26 Nov 1993 | 01 May 2004 | | | 9414 Loma Vista Drive, Dallas Texas 75243, United States Of America |
| ISLIP, Philip Neil RESIGNED | Secretary | 01 Apr 1999 | 17 Nov 2000 | | | 3313 Leigh Drive, Plano, 75025, Texas, United States |
| ITALIA, Zarksis Dinshaw, Mr. RESIGNED | Secretary | 18 May 2009 | 16 Aug 2011 | | | 48, Woodlands Avenue, Cults, Aberdeen, Scotland, AB15 9DE, United Kingdom |
| JACIUK, Nicolas RESIGNED | Secretary | 15 Aug 2014 | 27 Apr 2018 | | | Ensco House, Gateway Crescent, Gateway Business Park, Aberdeen, AB12 3GA, United Kingdom |
| KEWISH, Dean Alan RESIGNED | Secretary | 11 Apr 2011 | 19 Jun 2015 | | | 5847, San Felipe, Suite 3300, Houston, Texas, 77057, Usa |
| KEWISH, Dean Alan RESIGNED | Secretary | 20 Oct 2005 | 03 Dec 2010 | | | 3945, Centenary Drive, Dallas, Texas 75225, U.S.A. |
| KEWISH, Dean Alan RESIGNED | Secretary | 01 May 2004 | 20 Oct 2005 | | | 3945, Centenary Drive, Dallas, Texas 75225, U.S.A. |
| LUCA, Gilles, Mr. RESIGNED | Secretary | 01 Dec 2009 | 31 May 2011 | | | 3, Morningfield Mews, Aberdeen, Scotland, AB15 4ER, United Kingdom |
| MALONE JR, Herman, Mr. RESIGNED | Secretary | 16 Feb 2009 | 19 Aug 2013 | | | 6, Chesterfield Gardens, 3rd Floor, London, W1J 5BQ, United Kingdom |
| MALONE, JR., Herman, Mr. RESIGNED | Secretary | 16 Feb 2008 | 16 Feb 2008 | | | Montrose Court, Penthouse C, Princes Gate Exhibition Road, London, SW7 2QQ, United Kingdom |
| MARS, Paul RESIGNED | Secretary | 01 Jul 2002 | 28 Feb 2003 | | | 11 Earlspark Road, Bieldside, Aberdeen, AB15 9BZ |
| MOONEY, Stephen Laurence RESIGNED | Secretary | 27 Apr 2018 | 30 Sep 2024 | | | Cannon Place, 78 Cannon Street, London, EC4N 6AF, England |
| NELSON, Ronald Joseph RESIGNED | Secretary | 20 Nov 2000 | 01 Jul 2002 | | | 1420 Indian Spring, Carrollton, Texas 75007 |
| RHOADES, Tommy Lee RESIGNED | Secretary | 01 Apr 2006 | 03 Dec 2010 | | | 4306, Valley Ridge, Dallas, Texas 75220, U.S.A. |
| SANGSTER, Derek Andrew RESIGNED | Secretary | 19 Aug 2013 | 31 Jan 2021 | | | C/O Ensco Plc, 3rd Floor, 6 Chesterfield Gardens, London, W1J 5BQ, United Kingdom |
| SANGSTER, Derek Andrew RESIGNED | Secretary | 01 Apr 2006 | 11 Apr 2011 | | | Villa 28 Street 28a, Umm Suqiemm 1, Dubai, U.A.E. |
| SHAW, David Dale RESIGNED | Secretary | 30 Aug 2005 | 20 Oct 2005 | | | 2834 Alcot Lane, Grand Prairie, Texas 75 052, Usa |
| TORGESEN, Denise RESIGNED | Secretary | 01 Jul 2002 | 30 Aug 2005 | | | 6060 Village, No1013, Dallas, Texas 75206, Usa |
| VAN BOHEMEN, Jan, Mr. RESIGNED | Secretary | 16 Feb 2008 | 16 Feb 2008 | | | 500, N. Akard Street, Suite 4300, Dallas, Texas, 75201, U.S.A. |
| VAN BOHEMEN, Johannes Bernardus Wilhelmus Gerardus Maria, Mr. RESIGNED | Secretary | 16 Feb 2009 | 11 Apr 2019 | | | 6, Chesterfield Gardens, 3rd Floor, London, W1J 5BQ, United Kingdom |
| WALKER, Paul Mark RESIGNED | Secretary | 16 Aug 2011 | 15 Aug 2014 | | | Badentoy House, Badentoy Industrial Estate, Aberdeen, AB12 4YB |
| WILSON, Ian William Leslie RESIGNED | Secretary | 01 Jul 2002 | 04 May 2009 | | | 2, Hamilton Place, Aberdeen, Scotland, AB15 4BG, United Kingdom |
| ABOGADO CUSTODIANS LIMITED RESIGNED | Nominee Secretary | 18 Nov 1993 | 26 Nov 1993 | | | 100 New Bridge Street, London, EC4V 6JA |
| ABOGADO NOMINEES LIMITED RESIGNED | Nominee Secretary | 18 Nov 1993 | 26 Nov 1993 | | | 100 New Bridge Street, London, EC4V 6JA |
| CITCO MANAGEMENT UK LIMITED RESIGNED | Secretary | 27 Apr 2018 | 01 May 2021 | | | 7, Albemarle Street, London, W1S 4HQ, England |
| THE COMPANY REGISTRATION AGENTS LIMITED RESIGNED | Nominee Secretary | 02 Nov 1993 | 18 Nov 1993 | | | 83 Leonard Street, London, EC2A 4QS |
| BALLARD, Marshall RESIGNED | Director | 26 Nov 1993 | 28 Feb 2003 | | June 1942 | Denvy, 63 Harbour Road, Paget, Pg, 02, Bermuda |
| BRADY, Steven Joseph RESIGNED | Director | 11 Apr 2011 | 03 Jun 2013 | United Kingdom | December 1959 | Badentoy House, Badentoy Industriaql Estate, Aberdeen, AB12 4YB, United Kingdom |
| BRADY, Steven Joseph, Mr. RESIGNED | Director | 01 Mar 2003 | 11 Apr 2011 | U A E | December 1959 | Jumeriah Islands, Cluster 17, House 3, Jebel Ali, Dubai, U.A.E. |
| BRADY, Steven Joseph RESIGNED | Director | 01 Mar 2003 | 01 Oct 2007 | | December 1959 | Mains Of Auchattie, Banchory, Grampian, AB31 6PT |
| BUJOL, Robert Carroll RESIGNED | Director | 15 Sep 1995 | 29 Sep 1995 | | November 1954 | Balfour Tower, Durris, Banchory, Kincardineshire, AB31 3BJ |
| CHADWICK JUNIOR, William Supple RESIGNED | Director | 26 Nov 1993 | 01 Jul 2002 | | August 1947 | 2309 Country Valley, Garland Texas 75041, United States Of America |
| GAUT, Charles Christopher RESIGNED | Director | 26 Nov 1993 | 01 Jul 2002 | | July 1956 | 3021 Shelton Way, Plano, Texas, 75093, United States |
| HALL, Julian Richard RESIGNED | Director | 03 Jun 2013 | 11 Apr 2019 | Scotland | April 1963 | Ensco House, Gateway Crescent, Gateway Business Park, Aberdeen, AB12 3GA, United Kingdom |
| HENSEL, David Ethan, Mr. RESIGNED | Director | 01 Oct 2007 | 30 Nov 2009 | Scotland | June 1966 | 2, Queens Avenue North, Aberdeen, Scotland, AB15 6WQ, United Kingdom |
| ITALIA, Zarksis Dinshaw, Mr. RESIGNED | Director | 18 May 2009 | 15 Aug 2011 | Scotland | April 1965 | 48, Woodlands Avenue, Cults, Aberdeen, Scotland, AB15 4AS, United Kingdom |
| JACIUK, Nicolas RESIGNED | Director | 29 Jul 2014 | 27 Apr 2018 | United Kingdom | July 1973 | Ensco House, Gateway Crescent, Gateway Business Park, Aberdeen, AB12 3GA, United Kingdom |
| KOENDERS, Eisso Jacob RESIGNED | Director | 01 Apr 2006 | 01 Oct 2007 | | October 1947 | Meadows 2 Street 10, Villa 5, Dubai, U.A.E. |
| LAZZARI, Peter Michael RESIGNED | Director | 01 Mar 2003 | 05 Dec 2005 | | July 1961 | The Gables, 30 Rubislaw Den South, Aberdeen, AB15 4BB |
| LUCA, Gilles, Mr. RESIGNED | Director | 01 Dec 2009 | 31 May 2011 | Scotland | October 1971 | 3, Morningfield Mews, Aberdeen, Scotland, AB15 4ER, United Kingdom |
| MALONE JR, Herman, Mr. RESIGNED | Director | 16 Mar 2009 | 06 Aug 2013 | United Kingdom | September 1943 | 6, Chesterfield Gardens, 3rd Floor, London, W1J 5BQ, United Kingdom |
| MARS, Paul RESIGNED | Director | 01 Jul 2002 | 28 Feb 2003 | | March 1958 | 11 Earlspark Road, Bieldside, Aberdeen, AB15 9BZ |
| MOONEY, Stephen Laurence RESIGNED | Director | 27 Apr 2018 | 30 Sep 2024 | Scotland | May 1983 | Cannon Place, 78 Cannon Street, London, EC4N 6AF, England |
| NELSON, Ronald Joseph RESIGNED | Director | 05 Dec 2005 | 01 Apr 2006 | | August 1954 | 1420 Indian Spring, Carrollton, Texas 75007 |
| SAILE, Phillip Jeff RESIGNED | Director | 01 Jul 2002 | 28 Feb 2003 | | September 1952 | Villa Eva, 35 Middle Road, Paget, Pg 02, Bermuda |
| SANGSTER, Derek Andrew RESIGNED | Director | 06 Aug 2013 | 31 Jan 2021 | United Kingdom | June 1959 | C/O Ensco Plc, 3rd Floor, 6 Chesterfield Gardens, London, W1J 5BQ, United Kingdom |
| WALKER, Paul Mark RESIGNED | Director | 15 Aug 2011 | 29 Jul 2014 | United Kingdom | September 1976 | Badentoy House, Badentoy Industriaql Estate, Aberdeen, AB12 4YB, United Kingdom |
| WILSON, Ian William Leslie RESIGNED | Director | 01 Mar 2003 | 04 May 2009 | | February 1957 | 2, Hamilton Place, Aberdeen, Scotland, AB15 4BG, United Kingdom |
| WILSON, Richard Allan RESIGNED | Director | 26 Nov 1993 | 01 Jul 2002 | | November 1937 | 5419 Vista Meadow Circle, Dallas, Texas 75248, FOREIGN, Usa |
| ABOGADO CUSTODIANS LIMITED RESIGNED | Nominee Director | 18 Nov 1993 | 26 Nov 1993 | | | 100 New Bridge Street, London, EC4V 6JA |
| ABOGADO NOMINEES LIMITED RESIGNED | Nominee Director | 18 Nov 1993 | 26 Nov 1993 | | | 100 New Bridge Street, London, EC4V 6JA |
| LUCIENE JAMES LIMITED RESIGNED | Nominee Director | 02 Nov 1993 | 18 Nov 1993 | | | 83 Leonard Street, London, EC2A 4QS |