| Alan John Brown | Director | 9 Dec 2014 | 25 Sept 2018 | Irish,british | 69 years |
| Andrew David Macdonald | Director | 28 Jun 2012 | 8 Apr 2014 | British | 64 years |
| Derek Smith | Director | 28 Jun 2012 | 4 Dec 2014 | British | 59 years |
| Durano Limited | Corporate Nominee Director | 18 Apr 1989 | 15 Nov 1990 | - | - |
| Gary Neil Paver | Director | 20 Mar 2020 | 30 Jun 2023 | British | 58 years |
| Hazel Diane Dingwall | Secretary | 15 Nov 1990 | 28 Jun 2012 | British | - |
| Ian Macarthur Ross | Director | 28 Jun 2012 | 27 Feb 2013 | British | 69 years |
| Ledingham Chalmers | Corporate Nominee Secretary | 18 Apr 1989 | 15 Nov 1990 | - | - |
| Marianne Hope Lipp | Director | 1 May 2019 | 20 Mar 2020 | British | 55 years |
| Mark Johnstone Walker | Director | 27 Feb 2013 | 1 May 2019 | British | 57 years |
| Martin John Waite | Director | 1 Jan 2011 | 27 Mar 2014 | British | 59 years |
| Paul John Marshall Ross Thomson | Director | 1 Sept 2010 | 27 Mar 2014 | British | 57 years |
| Peter Ian France | Director | 1 Oct 2018 | 29 Aug 2023 | British | 57 years |
| Richard James Dingwall | Director | 15 Nov 1990 | 1 Nov 2018 | British | 73 years |
| Thomas Byrne | Director | 10 Oct 1990 | 1 Oct 2018 | British | 74 years |
| Walter Clark Robertson | Director | 3 Oct 2012 | 30 Aug 2013 | British | 67 years |
| William Macdonald Allan | Director | 28 Jun 2012 | 8 Dec 2014 | British | 65 years |