| Andrew David Jamieson | Director | 7 Dec 2017 | 1 Jul 2019 | British | 70 years |
| Andrew James Proctor | Director | 13 Aug 2019 | 22 May 2023 | English | 79 years |
| Andrew John Merricks | Secretary | 20 Oct 2009 | 26 Jun 2012 | - | - |
| Anne Bothwell Gibson | Director | 1 Jul 2013 | 30 Sept 2016 | British | 68 years |
| Anthony Thomas Williams | Director | 1 Sept 2006 | 30 Jun 2013 | British | 80 years |
| Colin Stewart Brown | Director | 1 Jan 2005 | 25 Aug 2009 | British | 80 years |
| Colleen Monica Walker | Director | 1 Jul 2013 | 18 May 2016 | British | 75 years |
| David Crossland Denman | Director | 3 Dec 1991 | 31 Dec 2004 | British | 94 years |
| David Richard White | Director | 1 Apr 2011 | 30 Jun 2013 | British | 74 years |
| David Thomas Beadle | Director | 3 Dec 1991 | 23 Oct 2009 | British | 73 years |
| Dean Thorvald Wetteland | Director | 10 Apr 2017 | 24 Nov 2021 | British | 50 years |
| Fiona Jane Mcdiarmid | Director | 20 Feb 2019 | 28 Feb 2022 | British | 65 years |
| Graham Leigh | Director | 4 Feb 1993 | 30 Jun 2008 | British | 80 years |
| Graham Leigh | Secretary | 23 Jul 1992 | 20 Oct 2009 | British | - |
| Gravitas Company Secretarial Services Limited | Corporate Nominee Secretary | 30 Jul 1991 | 23 Jul 1992 | United Kingdom | - |
| Hilary Louise Jones | Secretary | 26 Jun 2012 | 7 Jan 2019 | - | - |
| Ian James Mackie | Director | 17 Jun 2016 | 13 Jun 2017 | British | 49 years |
| Lloyd Richard John Addison | Director | 22 Apr 1994 | 6 Dec 1999 | British | 74 years |
| Martin Alexander Booth | Director | 7 Dec 1999 | 6 Dec 2001 | British | 76 years |
| Martin Christopher Hopkins | Director | 3 Nov 2016 | 25 Jan 2017 | British | 62 years |
| Martin James Rickard | Director | 1 Aug 1999 | 31 Jul 2009 | British | 86 years |
| Michael Charles Ayton | Director | 3 Dec 1991 | 31 Mar 2000 | British | 99 years |
| Michael Stephen Mackelcan Johns | Nominee Director | 30 Jul 1991 | 3 Dec 1991 | British | 83 years |
| Nigel Spencer Jackson | Director | 30 Jul 1991 | 3 Dec 1991 | British | 74 years |
| Paul William Adams | Director | 1 Feb 2010 | 31 Mar 2011 | British | 73 years |
| Peter Michael Hawes | Director | 18 Feb 2008 | 3 Nov 2016 | British | 76 years |
| Ralph Anthony Seligman | Director | 3 Dec 1991 | 7 Feb 1999 | British | 96 years |
| Ronald Johnson | Director | 13 Jul 2001 | 31 Jul 2007 | British | 95 years |
| Thomas Richard Mccabe | Director | 6 Apr 2016 | 9 Jan 2019 | British | 61 years |