| Adrian Walton Gower | Director | 1 Mar 2005 | 31 Oct 2006 | British | 64 years |
| Alnery Incorporations No 1 Limited | Corporate Nominee Director | 5 Aug 1998 | 26 Nov 1998 | - | - |
| Alnery Incorporations No 2 Limited | Corporate Nominee Director | 5 Aug 1998 | 26 Nov 1998 | - | - |
| Bryan Donald Needham | Director | 26 Nov 1998 | 18 Aug 2004 | British | 84 years |
| Capita Trust Company Limited | Corporate Director | 18 Aug 2004 | 2 Jul 2009 | - | - |
| Capita Trust Secretaries Limited | Corporate Secretary | 3 Jan 2008 | 17 Jan 2014 | United Kingdom | - |
| Carl Steven Baldry | Director | 1 Feb 2016 | 15 Jan 2021 | British | 60 years |
| Colin Arthur Benford | Director | 15 Jan 2021 | 31 Jan 2024 | British | 64 years |
| David Roger Finney | Director | 26 Nov 1998 | 22 Mar 2000 | British | 75 years |
| Paula Celine Corrigan | Director | 30 Jul 2015 | 1 Feb 2016 | Irish | 53 years |
| Peter Michael Hills | Director | 1 Dec 1998 | 12 Dec 2004 | British | 72 years |
| Royal Exchange Trustee Nominees Limited | Corporate Secretary | 26 Nov 1998 | 3 Jan 2008 | United Kingdom | - |
| Susan Elizabeth Lawrence | Director | 2 Jul 2009 | 31 Jul 2015 | British | 65 years |