| Adrian Walton Gower | Director | 12 Dec 2004 | 31 Oct 2006 | British | 64 years |
| Beverley Michael Douglas | Director | 14 Nov 2003 | 30 Apr 2015 | British | 72 years |
| Bryan Donald Needham | Director | 14 Nov 2003 | 10 Jun 2004 | British | 84 years |
| Capita Company Secretarial Services Limited | Corporate Secretary | 19 Feb 2007 | 1 Dec 2008 | - | - |
| Capita Group Secretary Limited | Corporate Secretary | 1 Dec 2008 | 3 Nov 2017 | United Kingdom | - |
| Capita Irg Trustees Limited | Corporate Secretary | 14 Nov 2003 | 19 Feb 2007 | - | - |
| Joanthan Glyn Vickers | Director | 3 Apr 2008 | 21 Apr 2009 | British | 64 years |
| Link Group Corporate Secretary Limited | Corporate Secretary | 3 Nov 2017 | 28 Jun 2019 | United Kingdom | - |
| Peter Michael Hills | Director | 14 Nov 2003 | 12 Dec 2004 | British | 72 years |
| Susan Elizabeth Lawrence | Director | 21 Apr 2009 | 6 Jan 2014 | British | 65 years |