| Biccor Ltd | Corporate Nominee Secretary | 11 Dec 2001 | 11 Dec 2001 | United Kingdom | - |
| Christopher Derek Dyne Burchell | Director | 10 Aug 2016 | 9 Oct 2020 | British | 53 years |
| Claire Mann | Director | 21 Jan 2014 | 8 Apr 2016 | British | 53 years |
| David Christopher John Applegarth | Director | 26 Mar 2004 | 1 Jan 2013 | British | 73 years |
| David Paul Turner | Secretary | 11 Dec 2001 | 18 Jan 2005 | British | - |
| David Robert Martin | Director | 11 Dec 2001 | 20 Mar 2003 | British | 75 years |
| Dennis Henry Baker | Director | 22 Apr 2008 | 6 Feb 2014 | British | 79 years |
| Duncan Mcdonald | Nominee Director | 11 Dec 2001 | 11 Dec 2001 | British | 62 years |
| Elizabeth Anne Davies | Secretary | 18 Jan 2005 | 13 Dec 2013 | British | - |
| Euan Alexander Robert Cameron | Director | 20 Mar 2003 | 31 Dec 2003 | British | 73 years |
| Gareth John Thomas | Director | 2 Sept 2014 | 13 Oct 2018 | British | 52 years |
| Graeme Bunker | Director | 27 Jan 2005 | 23 May 2006 | British | 52 years |
| Ian Peter Bullock | Director | 1 Jan 2008 | 27 Oct 2017 | British | 59 years |
| Ian Peter Bullock | Director | 1 Jan 2004 | 27 Jan 2005 | British | 59 years |
| Jonathan Day Veitch | Director | 22 Apr 2008 | 13 Jul 2009 | British | 56 years |
| Lorna Edwards | Secretary | 16 Dec 2013 | 12 Jun 2020 | - | - |
| Lynne Maciver Milligan | Director | 1 Oct 2010 | 13 Oct 2018 | British | 64 years |
| Mary Elisabeth Courtney Hewitt | Director | 17 Oct 2017 | 1 Jan 2020 | British | 47 years |
| Matthew James Prosser | Director | 2 Apr 2013 | 28 Mar 2016 | British | 54 years |
| Michael David Bagshaw | Director | 22 Apr 2008 | 23 Dec 2015 | British | 53 years |
| Michael John Tapscott | Director | 21 May 2012 | 6 Feb 2014 | British | 59 years |
| Michael John Tapscott | Director | 2 Sept 2014 | 13 Oct 2018 | British | 59 years |
| Peter James Leppard | Director | 19 May 2008 | 1 Jan 2012 | British | 72 years |
| Peter North | Director | 3 Sept 2009 | 31 Mar 2013 | British | 65 years |
| Peter Strachan | Director | 7 Dec 2003 | 22 Apr 2005 | British | 67 years |
| Rachel Helen Baldwin | Director | 25 Apr 2014 | 3 Feb 2015 | British | 50 years |
| Robert William Holland | Director | 23 May 2006 | 1 Jan 2013 | British | 76 years |
| Robert Wynne Phillips | Director | 21 Nov 2011 | 4 Apr 2016 | British | 52 years |
| Roger Brian Cobbe | Director | 14 Aug 2003 | 30 Jun 2006 | British | 75 years |
| Samantha Hawkins | Director | 8 Apr 2016 | 13 Dec 2017 | British | 49 years |
| Simon John Hughes | Director | 10 May 2016 | 29 Mar 2018 | British | 55 years |
| Stephen John Murphy | Director | 1 Jan 2013 | 24 Mar 2014 | British | 57 years |
| Stephen John Tyler | Director | 13 Jun 2016 | 29 Mar 2018 | British | 54 years |
| Stephen Philip Lonsdale | Director | 11 Dec 2001 | 21 Jan 2004 | British | 69 years |
| Steven Joseph Harrison | Director | 13 Oct 2018 | 20 Jun 2019 | British | 57 years |
| Thomas Guy Joyner | Director | 2 Oct 2017 | 15 Feb 2024 | British,south African | 52 years |
| Timothy Simon Bell | Director | 1 Jan 2008 | 2 Sept 2014 | Welsh | 69 years |
| Timothy Simon Bell | Director | 2 Sept 2014 | 31 May 2015 | Welsh | 69 years |