| Aberdeen Asset Management Plc | Corporate Secretary | 19 Jan 2015 | 31 Mar 2020 | - | - |
| Abrdn Corporate Secretary Limited | Corporate Secretary | 31 Mar 2020 | 30 Jun 2023 | United Kingdom | - |
| Alison Janet Talbot | Secretary | 15 Mar 2002 | 1 Jan 2003 | British | - |
| Cameron Shaun Murray | Director | 31 Mar 2016 | 30 Jun 2023 | British | 57 years |
| Instant Companies Limited | Corporate Nominee Director | 5 Dec 2001 | 15 Mar 2002 | United Kingdom | - |
| James Alexander Britton | Director | 31 Oct 2022 | 30 Jun 2023 | British | 47 years |
| James Gerard Ferguson | Director | 17 Jun 2004 | 31 Mar 2016 | British | 73 years |
| John Michael Brett | Secretary | 31 May 2004 | 6 Jun 2011 | British | - |
| John Stephen O'halloran | Director | 15 Mar 2002 | 4 Mar 2005 | Irish | 74 years |
| Kate Susan Smith | Secretary | 7 Jun 2011 | 19 Jan 2015 | British | - |
| Kenneth John Greig | Secretary | 1 Jan 2003 | 30 May 2003 | British | - |
| Michael Francis Arthur Channing | Director | 3 May 2005 | 8 Sept 2006 | British | 60 years |
| Nicholas James Patrick Ireland | Director | 26 Jan 2022 | 31 Oct 2022 | British | 58 years |
| Robert John Matthews | Director | 15 Mar 2002 | 17 Jun 2004 | British | 63 years |
| Robert John Matthews | Director | 8 Sept 2006 | 19 Jan 2022 | British | 63 years |
| Simon Brett Moscow | Director | 31 Oct 2022 | 30 Jun 2023 | British | 53 years |
| Simone Robbers | Secretary | 30 May 2003 | 31 May 2004 | British | - |
| Swift Incorporations Limited | Corporate Nominee Secretary | 5 Dec 2001 | 15 Mar 2002 | United Kingdom | - |
| Thomas Baillie Laidlaw | Director | 15 Mar 2002 | 8 Sept 2006 | British | 68 years |
