| Adrian Paul Collins | Director | 4 Feb 2010 | 23 Dec 2015 | British | 58 years |
| Alastair George Baird | Director | 4 Feb 2010 | 23 Dec 2015 | British | 62 years |
| Arcadis Asset Management Limited | Corporate Secretary | 23 Dec 2015 | 28 Apr 2016 | United Kingdom | - |
| Barratt Corporate Secretarial Services Limited | Corporate Secretary | 6 Sept 2011 | 23 Dec 2015 | United Kingdom | - |
| Barry Steven Hill | Director | 23 Dec 2015 | 11 Oct 2019 | British | 55 years |
| Christopher James Urwin | Director | 23 Dec 2015 | 12 Nov 2019 | British | 48 years |
| Clive Fenton | Director | 11 Jun 2007 | 6 Jan 2010 | British | 68 years |
| Garry Peter Mills | Director | 5 Apr 2018 | 15 Dec 2020 | British | 44 years |
| Graham Marshall Brown | Director | 13 Jul 2006 | 21 Sept 2006 | British | 81 years |
| Gregson Horace Locke | Director | 13 Jul 2006 | 30 Jun 2007 | British | 70 years |
| Ian Hogarth | Director | 21 Jul 2009 | 4 Feb 2010 | British | 60 years |
| Keith David Perry | Director | 23 Dec 2015 | 28 Apr 2016 | British | 66 years |
| Laurence Dent | Director | 11 Jun 2007 | 6 Jan 2010 | British | 74 years |
| Laurence Dent | Secretary | 31 Dec 2007 | 31 Dec 2010 | British | - |
| Mainstay (secretaries) Limited | Corporate Secretary | 28 Apr 2016 | 16 Feb 2024 | United Kingdom | - |
| Mark Andrew Pain | Director | 11 Jun 2007 | 21 Jul 2009 | British | 65 years |
| Mark Sydney Clare | Director | 11 Jun 2007 | 6 Jan 2010 | British | 69 years |
| Michael Borello | Director | 27 May 2020 | 6 Mar 2023 | British | 40 years |
| Richard John Russell Brooke | Director | 13 Jul 2006 | 6 Jan 2010 | British | 66 years |
| Robert Granville Douglas | Secretary | 13 Jul 2006 | 31 Dec 2007 | British | - |
| Russell Alan Deards | Director | 21 Jul 2009 | 4 Feb 2010 | British | 59 years |
| Steven John Boyes | Director | 11 Jun 2007 | 6 Jan 2010 | British | 66 years |