| OAKWOOD CORPORATE SECRETARY LIMITED ACTIVE | Secretary | 01 Jul 2016 | | | | 3rd Floor, 1 Ashley Road, Altrincham, Cheshire, WA14 2DT, United Kingdom |
| CREDLAND, Dean ACTIVE | Director | 17 Mar 2026 | | United Kingdom | February 1972 | Airedale House, 423 Kirkstall Road, Leeds, LS4 2EW, United Kingdom |
| PORLEY CAVALLERO, Mariana Noel ACTIVE | Director | 05 Mar 2024 | | Switzerland | December 1967 | Airedale House, 423 Kirkstall Road, Leeds, LS4 2EW, United Kingdom |
| SCOTHERN, Nina ACTIVE | Director | 01 Apr 2021 | | United Kingdom | October 1967 | Airedale House, 423 Kirkstall Road, Leeds, LS4 2EW, United Kingdom |
| CREDLAND, Dean RESIGNED | Secretary | 01 Jul 2016 | 01 Sep 2019 | | | Clariant House, Unit 2 Rawdon Park, Yeadon, Leeds, West Yorkshire, LS19 7BA |
| DAVIES, William Robert RESIGNED | Secretary | 29 May 1997 | 01 Jul 1997 | | | Chatton House, 165 Park Road, Teddington, Middlesex, TW11 0BP |
| PARKINSON, Stephen John RESIGNED | Secretary | 01 Jul 1997 | 30 Jun 2016 | | | Clariant House, Unit 2 Rawdon Park, Yeadon, Leeds, West Yorkshire, LS19 7BA |
| SCOTHERN, Nina RESIGNED | Secretary | 01 Sep 2019 | 31 Mar 2021 | | | Clariant House, Unit 2 Rawdon Park, Yeadon, Leeds, West Yorkshire, LS19 7BA |
| SWIFT INCORPORATIONS LIMITED RESIGNED | Nominee Secretary | 29 May 1997 | 29 May 1997 | | | 26, Church Street, London, NW8 8EP |
| BRANDENBERG, Peter Armin RESIGNED | Director | 18 May 2000 | 30 Sep 2007 | | April 1947 | Steingrubenweg 17, Pfeffingen, Ch-4148, Switzerland |
| DAVIES, William Robert RESIGNED | Director | 29 May 1997 | 01 Jul 1997 | | March 1945 | Chatton House, 165 Park Road, Teddington, Middlesex, TW11 0BP |
| DE WALL, Udo Karl RESIGNED | Director | 01 May 2013 | 23 Feb 2018 | Germany | November 1963 | Clariant House, Unit 2 Rawdon Park, Yeadon, Leeds, West Yorkshire, LS19 7BA |
| DEMETRIOU, Michale Sotiris RESIGNED | Director | 03 Jun 1997 | 01 Jul 1997 | | March 1941 | Sagamore House Hedgerley Lane, Gerrards Cross, Buckinghamshire, SL9 7NP |
| DUCKELS, Kenneth Michael RESIGNED | Director | 01 Jul 1997 | 30 Sep 2007 | | March 1950 | The Gatehouse Bungalow, Calverley Lane, Horsforth, Leeds, West Yorkshire, LS18 4RP |
| ERICSSON, Catharina Annika RESIGNED | Director | 01 Apr 2021 | 05 Nov 2024 | Sweden | January 1963 | Airedale House, 423 Kirkstall Road, Leeds, LS4 2EW, United Kingdom |
| FORDHAM, Nicholas Hugh RESIGNED | Director | 07 Dec 2009 | 31 Aug 2012 | United Kingdom | January 1956 | Clariant House, Unit 2 Rawdon Park, Yeadon, Leeds, West Yorkshire, LS19 7BA |
| HAGGIS, Robert Arthur RESIGNED | Director | 29 May 1997 | 01 Jul 1997 | | March 1954 | 28 Milverton Crescent, Leamington Spa, Coventry, CV32 5NJ |
| HANDTE, Reinhard RESIGNED | Director | 17 Jan 2000 | 18 May 2000 | | April 1946 | St Jakobs-Strasse 1, Muttenz, CH4132, Switzerland |
| HORN, Andrew Peter RESIGNED | Director | 04 Jul 2023 | 17 Mar 2026 | United Kingdom | February 1970 | Airedale House, 423 Kirkstall Road, Leeds, LS4 2EW, United Kingdom |
| HUG, Daniel RESIGNED | Director | 01 Apr 2013 | 03 Oct 2022 | Switzerland | December 1973 | Airedale House, 423 Kirkstall Road, Leeds, LS4 2EW, United Kingdom |
| KETTELEY, John Henry Beevor RESIGNED | Director | 01 Jul 2000 | 31 Dec 2002 | United Kingdom | August 1939 | Keeway, Ferry Road, Creeksea, Burnham On Crouch, Essex, CM0 8PL |
| KINKEL, Oliver RESIGNED | Director | 07 Sep 2016 | 31 Mar 2021 | Germany | January 1963 | Am Unisys-Park 1, Sulzbach Am Taunus, Hessia, 65843, Germany |
| KOS, Cécile Renée Marie RESIGNED | Director | 22 Mar 2023 | 05 Mar 2024 | Switzerland | September 1974 | Airedale House, 423 Kirkstall Road, Leeds, LS4 2EW, United Kingdom |
| KUSSMAUL, Ulrich Karl RESIGNED | Director | 01 Jan 2007 | 01 Apr 2010 | Switzerland | June 1949 | Clariant House, Unit 2 Rawdon Park, Yeadon, Leeds, West Yorkshire, LS19 7BA |
| LOCK, Andrew Jonathan RESIGNED | Director | 30 Sep 2007 | 31 Mar 2021 | United Kingdom | April 1964 | Clariant House, Unit 2 Rawdon Park, Yeadon, Leeds, West Yorkshire, LS19 7BA |
| LOESSER, Roland RESIGNED | Director | 10 Nov 1997 | 19 Nov 2001 | | August 1942 | Friedrich-Neff-Strasse 10, Loerrach, Germany D-79539, FOREIGN |
| LYNEN, Stephan RESIGNED | Director | 22 Mar 2010 | 01 Apr 2013 | Germany | November 1970 | Clariant House, Unit 2 Rawdon Park, Yeadon, Leeds, West Yorkshire, LS19 7BA |
| MCKNIGHT, Thomas Graham RESIGNED | Director | 01 Jul 1997 | 31 Dec 1999 | | September 1934 | Beck House White Wall Lane, Felliscliffe, Harrogate, North Yorkshire, HG3 2JZ |
| MEIER, Heiner RESIGNED | Director | 01 Feb 2005 | 03 Oct 2005 | | August 1946 | Fabrikstrassee 33, Allschwill, Ch 4123, Switzerland |
| NOTE, Francois RESIGNED | Director | 19 Nov 2001 | 01 Feb 2005 | | August 1959 | Gundeldingerrain 169, Basel, Ch 4059, FOREIGN, Switzerland |
| OTT, Ulrich, Dr RESIGNED | Director | 01 Oct 2009 | 07 Sep 2016 | Germany | September 1956 | Clariant House, Unit 2 Rawdon Park, Yeadon, Leeds, West Yorkshire, LS19 7BA |
| OTTESLEV, Tracyann RESIGNED | Director | 01 Jul 2016 | 22 Mar 2023 | United Kingdom | December 1973 | Airedale House, 423 Kirkstall Road, Leeds, LS4 2EW, United Kingdom |
| PALM, Peter Michael RESIGNED | Director | 14 Jun 2005 | 07 Dec 2009 | United Kingdom | April 1953 | Clariant House, Unit 2 Rawdon Park, Yeadon, Leeds, West Yorkshire, LS19 7BA |
| PARKINSON, Stephen John RESIGNED | Director | 01 May 2013 | 30 Jun 2016 | England | August 1962 | Clariant House, Unit 2 Rawdon Park, Yeadon, Leeds, West Yorkshire, LS19 7BA |
| ROOST, Georges RESIGNED | Director | 01 Jan 2000 | 30 Jun 2005 | | January 1941 | Rothausstrasse 61, Muttenz, Ch 4132, Switzerland |
| SCHMIDT, Hans, Dr RESIGNED | Director | 30 Sep 2007 | 01 Sep 2009 | | January 1953 | 48 Landstrasse, Kaiseraugst Resp, Ch-4303, Switzerland |
| SEIFERT, Karl-Gerhard, Dr. RESIGNED | Director | 10 Nov 1997 | 23 Nov 1999 | | August 1946 | Emser Weg 6, Bad Soden, Germany 65812, FOREIGN |
| STORCH, Gerhard Heinrich RESIGNED | Director | 03 Jun 1997 | 01 Jul 1997 | | June 1935 | Shalimar, Howards Thicket, Gerrards Cross, Buckinghamshire, SL9 7NX |
| TILLMANN, Adrian Heinz RESIGNED | Director | 30 Mar 2010 | 22 Mar 2023 | Switzerland | November 1959 | Airedale House, 423 Kirkstall Road, Leeds, LS4 2EW, United Kingdom |
| WUST, Pierre RESIGNED | Director | 03 Oct 2005 | 31 Dec 2006 | | March 1959 | 16 Rue Du Sundgau, Riedisheim, F-68400, France |
| ZUMSTEIN, Michel Pierre RESIGNED | Director | 30 Mar 2010 | 01 May 2013 | Germany | August 1967 | Clariant House, Unit 2 Rawdon Park, Yeadon, Leeds, West Yorkshire, LS19 7BA |