| Aberdeen Asset Management Plc | Corporate Secretary | 1 May 2014 | 5 Jun 2015 | - | - |
| Andrew Leslie Tennant | Director | 4 Oct 2011 | 30 Dec 2022 | British | 67 years |
| Burness (directors) Limited | Corporate Director | 30 Jan 2008 | 30 Jan 2008 | United Kingdom | - |
| Burness Llp | Corporate Secretary | 30 Jan 2008 | 30 Jan 2008 | United Kingdom | - |
| Graeme Robert Andrew Shankland | Director | 30 Jan 2008 | 4 Aug 2010 | British | 65 years |
| Graham John Mcdonald | Director | 30 Jan 2008 | 28 Sept 2009 | British | 65 years |
| Graham John Mcdonald | Director | 3 Jun 2010 | 23 Sept 2011 | British | 65 years |
| Ion Bruce Balfour | Director | 23 Sept 2011 | 31 Oct 2014 | British | 62 years |
| Ivan Hong-yee Wong | Director | 23 Sept 2011 | 24 Sept 2024 | British | 46 years |
| Jennifer Elizabeth Nielsen | Secretary | 30 Jan 2008 | 8 Oct 2012 | British | - |
| Karen Margaret Bothwell | Director | 3 Jun 2010 | 23 Sept 2011 | British | 63 years |
| Karen Marie Hill | Director | 31 Oct 2014 | 31 Mar 2022 | British | 48 years |
| Lloyds Secretaries Limited | Corporate Secretary | 8 Oct 2012 | 1 May 2014 | United Kingdom | - |
| Mark William Hammond | Director | 30 Jan 2008 | 4 Aug 2010 | British | 57 years |
| Martin Timothy Smith | Director | 23 Sept 2011 | 19 Jan 2024 | British | 58 years |
| William Wordie Stancer | Director | 30 Jan 2008 | 9 Oct 2009 | British | 61 years |