| Aberdeen Asset Management Plc | Corporate Secretary | 30 Sept 2001 | 30 Sept 2001 | - | - |
| Alexander David Maclellan | Director | 12 Oct 1992 | 31 May 2001 | British | 66 years |
| Alexander David Maclellan | Secretary | 12 Oct 1992 | 25 Oct 1993 | British | - |
| Andrew Arthur Laing | Director | 10 Feb 2005 | 14 Dec 2016 | British | 73 years |
| Andrew John Simpson | Director | 11 Oct 2002 | 10 Feb 2005 | British | 69 years |
| Geoffrey Douglas Charles Burns | Director | 12 Oct 1992 | 30 Nov 2001 | British | 71 years |
| Hugh Wilson Mcintosh Little | Director | 11 Feb 2005 | 11 Jun 2015 | British | 68 years |
| Iain William Patrick Tulloch | Director | 12 Oct 1992 | 29 Dec 1998 | British | 85 years |
| Instant Companies Limited | Corporate Nominee Director | 21 Sept 1992 | 12 Oct 1992 | United Kingdom | - |
| Jonathan Brett Diggines | Director | 30 Sept 2001 | 31 Jan 2005 | British | 72 years |
| Patricia Mary Barnes | Secretary | 25 Oct 1993 | 30 Sept 2001 | British | - |
| Patricia Mary Barnes | Secretary | 28 Sept 2001 | 11 Feb 2005 | British | - |
| Scott Edward Massie | Director | 11 Jun 2015 | 14 Dec 2016 | British | 65 years |
| Stuart John Overend | Director | 11 Feb 2005 | 26 Sept 2008 | Scottish | 55 years |
| Swift Incorporations Limited | Corporate Nominee Secretary | 21 Sept 1992 | 12 Oct 1992 | United Kingdom | - |
| William Robert Nixon | Director | 11 Feb 2005 | 9 Jun 2009 | British | 62 years |