| Alistair Ian Macrae | Secretary | 1 Sept 2000 | 31 Aug 2007 | British | - |
| Alistair James Neil Hewitt | Director | 10 Feb 2015 | 31 Oct 2016 | British | 53 years |
| Amy Charlotte Bone | Director | 23 Nov 2016 | 27 Feb 2018 | British | 42 years |
| Andrew William John Wilson | Director | 2 Jul 2012 | 30 Jun 2014 | British | 56 years |
| Aubrey Mark Collins | Director | 4 Jul 2010 | 1 Aug 2011 | British | 69 years |
| Bruce Smith Anderson | Director | 7 Oct 2014 | 10 Feb 2015 | British | 62 years |
| Colin David Leslie | Director | 6 Jul 1993 | 1 Aug 1994 | British | 73 years |
| Colin David Leslie | Director | 29 Feb 1996 | 26 Mar 1998 | British | 73 years |
| Colin Matthew | Director | 11 Jun 1993 | 23 Jun 1993 | British | 75 years |
| Colin Scott Mcgill | Director | 13 Apr 1993 | 6 Jul 1993 | British | 77 years |
| D.w. Company Services Limited | Corporate Secretary | 18 Dec 1992 | 13 Apr 1993 | United Kingdom | - |
| David Hardie | Nominee Director | 18 Dec 1992 | 13 Apr 1993 | British | 71 years |
| Fraser David Campbell | Director | 13 Apr 1993 | 25 Feb 1994 | British | 81 years |
| Gavin George Masterton | Director | 13 Apr 1993 | 29 Feb 1996 | British | 84 years |
| George Edward Mitchell | Director | 25 Feb 1994 | 2 Oct 1995 | British | 75 years |
| James Charles Oneil | Director | 17 Jul 2000 | 11 Apr 2011 | British | 64 years |
| James Kerr Cruickshank | Director | 12 Oct 1998 | 11 Apr 2011 | British | 65 years |
| James Rowland Mitchell | Director | 13 Apr 1993 | 2 Oct 1995 | British | 80 years |
| John Barkley | Director | 2 Oct 1995 | 17 Jul 2000 | British | 77 years |
| John Stewart Hunter | Secretary | 4 Sept 1995 | 15 Feb 1996 | British | - |
| Joseph John Green | Director | 2 Jul 2012 | 30 Jun 2014 | Irish | 47 years |
| Julian Alexander Pearce | Director | 4 Jul 2010 | 16 Aug 2013 | British | 57 years |
| Karen Margaret Bothwell | Director | 4 Jul 2010 | 2 Jul 2012 | British | 63 years |
| Karen Margaret Bothwell | Secretary | 13 Apr 1993 | 4 Sept 1995 | British | - |
| Laurence John Edwards | Secretary | 31 Aug 2007 | 2 Jul 2012 | British | - |
| Lloyds Secretaries Limited | Corporate Secretary | 2 Jul 2012 | 23 Nov 2016 | United Kingdom | - |
| Lysanne Jane Warren Black | Secretary | 15 Feb 1996 | 1 Sept 2000 | British | - |
| Maureen Sheila Coutts | Nominee Director | 18 Dec 1992 | 13 Apr 1993 | British | - |
| Paul Ronayne Harries | Director | 4 Jul 2010 | 29 Jun 2012 | British | 56 years |
| Robert Joseph Johnstone Wickham | Director | 13 Apr 1993 | 3 Dec 1993 | British | 80 years |
| Stuart James Ballingall | Director | 26 Mar 1998 | 7 Jan 2000 | British | 61 years |
| William Gordon Mcqueen | Director | 3 Dec 1993 | 2 Oct 1995 | British | 79 years |