| Abrdn Corporate Secretary Limited | Corporate Secretary | 16 Oct 2020 | 30 Jun 2022 | United Kingdom | - |
| Alexander Maxwell Crombie | Director | 24 May 1994 | 22 Jan 2002 | British | 77 years |
| Alexander Peter Watt | Director | 11 Apr 1989 | 22 Jan 2002 | British | 74 years |
| Alexander Scott Bell | Director | 11 Apr 1989 | 22 Jan 2002 | British | 85 years |
| Andrew John Jackson | Director | 17 Sept 2007 | 23 Aug 2016 | British | 58 years |
| Archibald James Angus Macuish Gray | Secretary | 11 Apr 1989 | 14 Nov 1993 | British | - |
| Daniel Mchugh | Director | 17 Sept 2007 | 15 Dec 2017 | British | 53 years |
| David Drysdale Fotheringham | Secretary | 15 Nov 1993 | 1 Mar 1996 | British | - |
| David Graham Paine | Director | 17 Sept 2007 | 14 Feb 2018 | British | 65 years |
| David Macdonald Simpson | Director | 11 Apr 1989 | 24 Jun 1994 | British | 85 years |
| Denise Elisabeth Thomas | Secretary | 17 Sept 2007 | 14 Feb 2018 | British | - |
| Holly Sylvia Kidd | Secretary | 14 Feb 2018 | 16 Oct 2020 | - | - |
| James Stretton | Director | 11 Apr 1989 | 15 Dec 2001 | British | 83 years |
| Malcolm James Wood | Secretary | 1 Jan 2007 | 17 Sept 2007 | British | - |
| Mark Brian Watt | Director | 17 Sept 2007 | 16 Oct 2020 | British | 58 years |
| Peter Walter Somerville | Secretary | 1 Mar 1996 | 1 Jan 2007 | British | - |
| Robert Michael Hannigan | Director | 17 Sept 2007 | 14 Feb 2018 | British | 63 years |
| Standard Life (directors) Limited | Corporate Director | 22 Jan 2002 | 17 Sept 2007 | United Kingdom | - |