| Anthony Robert Williams | Director | 15 Aug 1992 | 15 Aug 1993 | British | 77 years |
| Derek Leslie Kay | Director | 15 Aug 1992 | 4 Feb 1994 | British | 76 years |
| Edwin John Davies | Director | 15 Aug 1992 | 3 Jun 1996 | British | 81 years |
| Exel Nominee No 2 Limited | Corporate Director | 3 Jun 1996 | 1 Sept 2011 | United Kingdom | - |
| Exel Secretarial Services Limited | Corporate Director | 1 Sept 2011 | 1 Feb 2016 | United Kingdom | - |
| Exel Secretarial Services Limited | Corporate Secretary | 15 Aug 1992 | 4 Nov 2015 | United Kingdom | - |
| Ian Cameron | Director | 14 Oct 2013 | 31 Jan 2014 | British | 71 years |
| Jane Li | Director | 31 Oct 2011 | 26 Nov 2018 | British | 57 years |
| Jane Li | Secretary | 4 Nov 2015 | 31 Dec 2018 | - | - |
| Jason David Smith | Director | 1 Feb 2016 | 5 Mar 2020 | British | 59 years |
| Jeremy William Coates | Director | 19 Nov 1993 | 3 May 1996 | British | 74 years |
| John Murray Thomas Howell | Director | 15 Aug 1992 | 4 Feb 1994 | British | 77 years |
| Nigel Paul Graham | Director | 31 Oct 2011 | 30 Sept 2018 | British | 69 years |
| Philip William Rose | Director | 5 Aug 1993 | 19 Nov 1993 | British | 75 years |
| Roger Michael Ewart Mann | Director | 15 Aug 1992 | 31 Oct 2011 | British | 78 years |
| Simon Craig Green | Director | 15 Aug 1992 | 21 Jan 1994 | British | 74 years |
| Thorsten Kuhl | Director | 5 Mar 2020 | 1 Jun 2021 | German | 52 years |