| WALLACE, James Patrick ACTIVE | Director | 19 Jun 2008 | | United Kingdom | July 1962 | 170, Kitts Green Road, Kitts Green, Birmingham, West Midlands, B33 9QR, England |
| CAMINO, Jose Ramon RESIGNED | Secretary | 21 Oct 2002 | 01 Mar 2014 | | | Alcoa Europe, Ave Giuseppe Motta 31-33, Geneva, CH1202, Switzerland |
| DEMBLOWSKI, Denis Anthony RESIGNED | Secretary | 14 Sep 2001 | 21 Oct 2002 | | | 15 Chemin De La Rochette, Geneva, 1202, FOREIGN, Switzerland |
| DOWDALL, Kay Louise RESIGNED | Secretary | 01 Mar 2014 | 01 Jul 2019 | | | Princess House, Princess Way, Swansea, SA1 3LW, United Kingdom |
| FAULL, Ian Trevor RESIGNED | Secretary | | 14 Sep 2001 | | | West Chalet Groves Avenue, Langland, Swansea, West Glamorgan, SA3 4QF |
| BROUGHTON SECRETARIES LIMITED RESIGNED | Secretary | 30 Nov 2020 | 02 Mar 2021 | | | 54, Portland Place, London, W1B 1DY, England |
| PINSENT MASONS SECRETARIAL LIMITED RESIGNED | Secretary | 14 Sep 2001 | 25 Jun 2014 | | | 1 Park Row, Leeds, West Yorkshire, LS1 5AB |
| AYLESBURY, Alan Charles RESIGNED | Director | | 01 Jul 1995 | | February 1936 | 28 Rhyd Yr Helig The Bryn, Sketty, Swansea, West Glamorgan, SA2 8DH |
| BEMELMANS, Hubertus Antonius Johannes RESIGNED | Director | | 16 Aug 1995 | | January 1944 | Eendekooi 26, Drunen, FOREIGN, Netherlands |
| BERGERON, George Ernest RESIGNED | Director | | 02 Apr 1998 | | August 1941 | 14 Rivendell, Knoxville, Tn 37922, FOREIGN, Usa |
| CAMINO, Jose Ramon RESIGNED | Director | 01 Feb 2008 | 01 Mar 2014 | Switzerland | March 1961 | Alcoa Europe, Ave Giuseppe Motta 31-33, Geneva, CH1202, Switzerland |
| COLEMAN, Michael RESIGNED | Director | 02 Apr 1998 | 14 Sep 2001 | | October 1950 | 18010 33rd Place N, Plymouth, Minnesota, 55447, Usa |
| DOWDALL, Kay Louise, Dr RESIGNED | Director | 01 Mar 2014 | 01 Mar 2014 | United Kingdom | October 1969 | Princess House, Princess Way, Swansea, SA1 3LW, United Kingdom |
| FARGAS MAS, Lluis Maria RESIGNED | Director | 14 Sep 2001 | 01 Feb 2020 | Switzerland | January 1966 | Alcoa Europe, Ave Giuseppe Motta 31-33, Geneva, CH1202, Switzerland |
| FAULL, Ian Trevor RESIGNED | Director | 05 Jun 1997 | 31 Dec 2008 | United Kingdom | September 1950 | West Chalet Groves Avenue, Langland, Swansea, West Glamorgan, SA3 4QF |
| FREEMAN, William James RESIGNED | Director | | 14 Sep 2001 | | September 1947 | 1916 S Whitehall Street, Maryville, Tn 37801, FOREIGN, Usa |
| HUPY, Lori RESIGNED | Director | 01 Dec 1999 | 14 Sep 2001 | | July 1955 | 2920 Summershade Lane, Knoxville 37922, Tennessee Usa, FOREIGN |
| KLUTHE, Donald Arthur RESIGNED | Director | | 22 Nov 1999 | | August 1951 | 12105 Southwick Circle, Knoxville, Tn 37922, FOREIGN, Usa |
| LUCOT, Joseph R RESIGNED | Director | 04 Mar 2003 | 20 Mar 2006 | | January 1964 | 21 Chemin De Lulasse, Vandoeuvres, 1253, Switzerland |
| MILLER, John Edwin RESIGNED | Director | 01 Jan 1998 | 14 Sep 2001 | | July 1958 | 35 The Paddock, West Cross, Swansea, SA3 5AH |
| MOCCHI, Roberto RESIGNED | Director | 14 Sep 2001 | 04 Mar 2003 | | June 1949 | En Praudi 5, Daillens, 1306, Switzerland |
| MORRIS, Anthony Peter RESIGNED | Director | 05 Jun 1997 | 30 Apr 1998 | | October 1944 | 34 The Ridge, Sketty, Swansea, West Glamorgan, SA2 8AG |
| SMITH, George Ronald RESIGNED | Director | 01 Feb 2008 | 09 Jun 2009 | United Kingdom | February 1946 | 4 Kings Walk, Kings Bromley, Lichfield, Staffordshire, DE13 7JU |
| THOMAS, Paul Donald RESIGNED | Director | 01 Jul 1995 | 31 Dec 1997 | | July 1956 | 35 The Paddock, West Cross, Swansea, West Glamorgan, SA3 5AH |
| VRABLEC, Mark RESIGNED | Director | 14 Sep 2011 | 05 Sep 2023 | United States | April 1960 | 4879, State Street, Bettendorf, Iowa, 52722, United States |
| WALLIS, Michael Geoffrey RESIGNED | Director | 15 Jul 2011 | 14 Sep 2011 | Usa | June 1960 | Princess House, Princess Way, Swansea, SA1 3LW, United Kingdom |
| WELCH-BALLENTINE, Caroline Delia RESIGNED | Director | 09 Jun 2009 | 15 Jul 2010 | France | December 1965 | 121c, Route De Foncenex, Veigy-Foncenex, 74140, France |