| Abrdn Corporate Secretary Limited | Corporate Secretary | 31 May 2020 | 29 Apr 2024 | United Kingdom | - |
| Alexander Peter Watt | Director | 17 Jun 2004 | 14 Sept 2007 | British | 74 years |
| Alexander Scott Bell | Director | 4 Jun 1998 | 15 Mar 2002 | British | 85 years |
| Burness Solicitors | Corporate Nominee Secretary | 23 Mar 1998 | 25 Aug 1998 | - | - |
| Catriona Elizabeth Mickel | Secretary | 21 Feb 2011 | 31 Oct 2014 | - | - |
| Craig James Williamson | Director | 1 Oct 2012 | 10 Oct 2013 | British | 68 years |
| David Cameron Bentley | Director | 16 Mar 2002 | 17 Jun 2004 | Uk | 72 years |
| David Currie | Director | 14 Sept 2007 | 28 Aug 2012 | British | 75 years |
| David John Burns | Secretary | 1 Aug 2010 | 21 Feb 2011 | - | - |
| David Ross Thompson | Secretary | 31 Oct 2014 | 22 Oct 2018 | - | - |
| David Thorburn Cumming | Director | 2 Mar 2006 | 14 Sept 2007 | British | 65 years |
| Graham Douglas Paterson | Director | 28 Apr 2008 | 1 Aug 2010 | British | 55 years |
| Holly Sylvia Kidd | Secretary | 22 Oct 2018 | 31 May 2020 | - | - |
| Iain Cobden Lumsden | Director | 4 Jun 1998 | 13 Jan 2004 | British | 80 years |
| Ian Harris | Director | 1 Aug 2010 | 1 Oct 2021 | British | 54 years |
| James Stretton | Director | 4 Jun 1998 | 15 Dec 2001 | British | 83 years |
| John Francis Hylands | Director | 16 Dec 2001 | 17 Jun 2004 | British | 75 years |
| Mark Connolly | Director | 2 Mar 2006 | 14 Sept 2007 | British | 67 years |
| Norman Keith Skeoch | Director | 17 Jun 2004 | 14 Sept 2007 | British | 70 years |
| Peter Archibald Mckellar | Director | 14 Sept 2007 | 30 Sept 2020 | United Kingdom | 61 years |
| Peter Walter Somerville | Secretary | 25 Aug 1998 | 17 Jun 2004 | British | - |
| Roderick Louis Paris | Director | 2 Mar 2006 | 14 Sept 2007 | British | 67 years |
| Roger Jonathan Pim | Director | 10 Oct 2013 | 22 Feb 2022 | British | 50 years |
| Stewart Hay | Director | 14 Sept 2007 | 22 Feb 2022 | British | 66 years |
| Vincent Joseph O'brien | Secretary | 17 Jun 2004 | 1 Aug 2010 | British | - |
| William Regnar Littleboy | Director | 17 Jun 2004 | 14 Sept 2007 | British | 65 years |
| Wjb (directors) Limited | Corporate Nominee Director | 23 Mar 1998 | 4 Jun 1998 | - | - |
