| VISTRA COMPANY SECRETARIES LIMITED ACTIVE | Secretary | 27 Jun 2011 | | | | Ground Floor, Templeback, 10 Temple Back, Bristol, BS1 6FL, United Kingdom |
| GILPIN, Gordon Christopher ACTIVE | Director | 20 Feb 2019 | | Canada | June 1973 | C/O Vale Canada Limited, 337 Power Street, Copper Cliff, Ontario P0m 1n0, Canada |
| POLAND, Darren William ACTIVE | Director | 04 Aug 2020 | | Wales | September 1975 | C/O Vale, Clydach Refinery, Glais Road, Clydach, Swansea, SA6 5QR, United Kingdom |
| CHAINEY, Alan RESIGNED | Secretary | 05 Dec 1997 | 01 May 2005 | | | 138a Three Bridges Road, Three Bridges, Crawley, West Sussex, RH10 1JP |
| GLOVER, Alastair James Lochore RESIGNED | Secretary | | 04 Dec 1997 | | | Chestnuts, Checkley, Hereford, Herefordshire, HR1 4ND |
| JAMES, Shelagh Ann RESIGNED | Secretary | 09 Jul 2010 | 27 Jun 2011 | | | 1st Floor Gordon House, 10 Greencoat Place, London, SW1P 1PH |
| MATHESON, Andrew James, Mr. RESIGNED | Secretary | 01 May 2005 | 26 Mar 2010 | | | Gordon, House, 10 Greencoat Place, London, SW1P 1PH, England |
| BALE, Richard Allan RESIGNED | Director | | 29 Aug 2003 | | December 1946 | Casa Coch 6 Clos Tygwyn, Clydach, Swansea, West Glamorgan, SA4 3GF |
| CHAINEY, Alan RESIGNED | Director | 16 Dec 1996 | 01 May 2005 | | September 1945 | 138a Three Bridges Road, Three Bridges, Crawley, West Sussex, RH10 1JP |
| COX, Michael James RESIGNED | Director | 09 Jul 2010 | 31 Dec 2018 | United Kingdom | July 1967 | Vale Europe Limited, Clydach, Swansea, SA6 5QR, United Kingdom |
| GALE, Adrian Leonard Balkwell RESIGNED | Director | 01 Sep 2003 | 15 Mar 2006 | | December 1950 | 9 Atbara Road, Teddington, Middlesex, TW11 9PA |
| GOSSELIN, James Joseph RESIGNED | Director | 09 Jul 2010 | 15 Oct 2013 | Canada | June 1965 | C/O Vale Canada Limited, 18 Rink Street, Copper Cliff, Ontario, P0M 1N0, Canada |
| GUILLE, Iain Ronald RESIGNED | Director | 09 Jul 2010 | 28 Jun 2013 | United Kingdom | January 1960 | C/O Vale Acton Refinery, Bashley Road, London, NW10 6SN, United Kingdom |
| KENT, Robert William RESIGNED | Director | 04 Jun 2014 | 16 Oct 2015 | Wales | November 1964 | Vale Europe Ltd, Clydach Refinery, Clydach, Swansea, SA6 5QR, United Kingdom |
| KIRMAN, Ivor, Dr RESIGNED | Director | | 31 May 2000 | | August 1943 | 1 Cranleigh Road, Esher, Surrey, KT10 8DF |
| KRUEGER, Dale William RESIGNED | Director | 09 May 2006 | 27 Mar 2009 | | June 1949 | Gordon, House, 10 Greencoat Place, London, SW1P 1PH, England |
| LAWRY, Leigh Anthony RESIGNED | Director | 16 Oct 2013 | 01 Apr 2014 | United Kingdom | December 1975 | Clydach Refinery, Clydach, Swansea, SA6 5QR, United Kingdom |
| MATHESON, Andrew James, Mr. RESIGNED | Director | 01 May 2005 | 26 Mar 2010 | | March 1965 | Gordon, House, 10 Greencoat Place, London, SW1P 1PH, England |
| MAYNARD, David Christopher RESIGNED | Director | 01 Jun 2000 | 30 Jun 2008 | | October 1946 | Gordon House, 10 Greencoat Place, London, SW!P !PH, England |
| MCCANN, Michael Edward RESIGNED | Director | 24 Sep 2018 | 13 Mar 2019 | Canada | September 1967 | C/O Vale Canada Limited, 18 Rink Street, Copper Cliff, Ontario P0m 1no, Canada |
| NICHOLAS, Michael Rees RESIGNED | Director | | 24 Nov 1996 | | May 1942 | 11 Kingsfold Close, Billingshurst, West Sussex, RH14 9HG |
| RHODES, Samuel Fearghas RESIGNED | Director | 16 Oct 2013 | 30 Nov 2017 | United Kingdom | March 1979 | Vale Clydach Refinery, Ynyspenllwch Road, Swansea, SA6 5QR, United Kingdom |
| SPOLLEN, Conor Francis RESIGNED | Director | 19 Jan 2016 | 15 Sep 2018 | Canada | October 1966 | C/O Vale Canada Limited, 200 Bay Street Royal Bank Plaza, Suite 1600 South Tower PO BOX 70, Toronto, Ontario M5j 2k2, Canada |
| STACEY, Stephen Dennis RESIGNED | Director | 15 Mar 2016 | 10 May 2021 | United Kingdom | June 1960 | C/O Vale Europe Limited, Bashley Road, Acton, London, NW10 6SN, United Kingdom |
| STRONG, Kelly James RESIGNED | Director | 01 Jan 2013 | 01 May 2015 | Canada | June 1969 | C/O Vale Canada Limited, 18 Rink Street, Copper Cliff, Ontario Pom 1no, Canada |
| THOMSON, Christopher Boyd, Dr RESIGNED | Director | 16 Mar 2016 | 16 Mar 2016 | Wales | February 1967 | C/O Vale Europe Limited, Clydach Refinery, Clydach, Swansea, SA6 5QR, United Kingdom |
| THOMSON, Christopher Boyd, Dr RESIGNED | Director | 15 Mar 2016 | 31 Dec 2018 | Wales | February 1967 | C/O Vale Europe Limited, Clydach Refinery, Clydach, Swansea, SA6 5QR, United Kingdom |
| TIPPING, Benjamin Gareth RESIGNED | Director | 24 Sep 2018 | 28 Apr 2023 | United Kingdom | April 1982 | Clydach Refinery, Clydach, Swansea, SA6 5QR, United Kingdom |
| WILLIAMS, Kenneth Nicholas RESIGNED | Director | 01 Jul 2008 | 28 Sep 2016 | England | January 1961 | C/O Vale International Sa, Route De Pallatex 29, St Prex 1162, Switzerland |
| WOOD, Stephen James RESIGNED | Director | 24 Feb 2010 | 14 Sep 2011 | Canada | September 1958 | C/O Vale Canada Limited, 18 Rink Street, Copper Cliff, Ontario, P0m 1n0, Canada |