| Aberdeen Asset Management Plc | Corporate Secretary | 19 Jan 2015 | 12 May 2015 | - | - |
| Alan Michael Holland | Director | 9 Mar 2017 | 30 Jun 2023 | British | 51 years |
| Andrew John Pilsworth | Director | 9 Mar 2017 | 31 Dec 2023 | British | 51 years |
| Andrew Stephen Gulliford | Director | 7 Jan 2016 | 9 Mar 2017 | British | 63 years |
| Ann Octavia Peters | Director | 9 Mar 2017 | 31 Dec 2023 | British | 56 years |
| Audrey Mckeown | Director | 4 Nov 2009 | 27 Sept 2011 | Irish | 51 years |
| Aviva Company Secretarial Services Limited | Corporate Secretary | 12 May 2015 | 9 Mar 2017 | United Kingdom | - |
| Barry Steven Hill | Director | 10 Feb 2014 | 9 Mar 2017 | British | 54 years |
| David Richard Proctor | Director | 18 Nov 2020 | 31 Dec 2023 | British | 52 years |
| Elizabeth Blease | Secretary | 9 Mar 2017 | 3 Nov 2021 | - | - |
| Gareth John Osborn | Director | 9 Mar 2017 | 31 Dec 2019 | British | 63 years |
| Instant Companies Limited | Corporate Nominee Director | 7 Sept 2005 | 7 Sept 2005 | United Kingdom | - |
| James Gerard Ferguson | Director | 7 Sept 2005 | 12 May 2015 | British | 72 years |
| John Michael Brett | Secretary | 7 Sept 2005 | 6 Jun 2011 | British | - |
| John Stephen O'halloran | Director | 12 Sept 2005 | 14 Sept 2009 | Irish | 73 years |
| John William Holland-kaye | Director | 14 Sept 2009 | 22 Jun 2010 | British | 60 years |
| Karen Julia Fox | Director | 31 Jan 2006 | 4 Nov 2009 | British | 48 years |
| Kate Susan Smith | Secretary | 7 Jun 2011 | 19 Jan 2015 | British | - |
| Michael Francis Arthur Channing | Director | 7 Sept 2005 | 8 Sept 2006 | British | 59 years |
| Philip Anthony Redding | Director | 27 Sept 2011 | 7 Jan 2016 | British | 57 years |
| Richard Peter Jones | Director | 27 Sept 2011 | 14 Dec 2013 | British | 64 years |
| Robert John Matthews | Director | 8 Sept 2006 | 12 May 2015 | British | 62 years |
| Sarah Christine Cockburn | Director | 12 Sept 2005 | 31 Jan 2006 | British | 49 years |
| Shona Mary Darling | Secretary | 7 Sept 2005 | 7 Sept 2006 | British | - |
| Simon Christian Pursey | Director | 9 Mar 2017 | 16 Mar 2020 | British | 50 years |
| Swift Incorporations Limited | Corporate Nominee Secretary | 7 Sept 2005 | 7 Sept 2005 | United Kingdom | - |