| Alastair Stuart Aitken | Director | 24 Feb 2017 | 9 Jan 2019 | British | 64 years |
| Blackwood Partners Llp | Corporate Secretary | 10 Sept 2018 | 7 Nov 2019 | - | - |
| Deirdre Catherine Fox | Director | 11 Dec 2012 | 4 Dec 2013 | British | 63 years |
| Derek Guy Glover | Director | 14 Mar 1997 | 30 Apr 2008 | British | 74 years |
| Durano Limited | Corporate Nominee Director | 9 Dec 1996 | 14 Mar 1997 | - | - |
| Erik Nachbar | Director | 21 Jan 2015 | 9 Jan 2019 | Dutch | 59 years |
| Ferdinand Gerhardus Christina Wildenbeest | Director | 16 Feb 2010 | 1 Jul 2010 | Dutch | 70 years |
| Jonathan Mark Baxter | Director | 11 Dec 2012 | 27 Mar 2014 | British | 49 years |
| Ledingham Chalmers | Corporate Nominee Secretary | 9 Dec 1996 | 14 Mar 1997 | - | - |
| Malcolm Lindsay Edward | Director | 14 Mar 1997 | 29 Jan 2018 | British | 68 years |
| Malcolm Lindsay Edward | Secretary | 14 Mar 1997 | 29 Jan 2018 | British | - |
| Murdo Ramsay Ross | Director | 4 Dec 2008 | 29 Jun 2010 | British | 73 years |
| Nicholas Roy Kenneth Clarke | Director | 29 Jun 2010 | 11 Dec 2012 | British | 64 years |
| Norman Stewart Cumming | Director | 14 Mar 1997 | 29 Jan 2018 | British | 77 years |
| Paul Watt Mitchell | Director | 29 Jan 2018 | 22 Aug 2018 | British | 57 years |
| Paul Watt Mitchell | Secretary | 29 Jan 2018 | 22 Aug 2018 | - | - |
| Peter Quinn | Director | 1 Jul 2010 | 11 Dec 2012 | British | 55 years |
| Raymond John Prince | Director | 14 Mar 1997 | 16 Feb 2010 | British | 82 years |
| Richard Duncan Broughton | Director | 31 Mar 2016 | 24 Feb 2017 | British | 51 years |
| Richard James Bell | Director | 4 Dec 2013 | 31 Mar 2016 | British | 60 years |
| Timothy James Bird | Director | 30 Apr 2008 | 4 Dec 2008 | British | 60 years |