| Adrian John Bannister | Director | 14 Feb 2013 | 31 Oct 2014 | British | 62 years |
| Alan James Duncan | Director | 8 Dec 2017 | 17 Apr 2018 | British | 57 years |
| Andrew Cadenhead Gordon Winton | Director | 30 Aug 1996 | 26 Apr 2002 | British | 75 years |
| Anne Michelsen Lorup | Secretary | 24 Jan 2006 | 24 Jul 2009 | British | - |
| Bernhard Bruggaier | Director | 8 Dec 2017 | 17 Apr 2018 | German | 65 years |
| Durano Limited | Corporate Nominee Director | 12 May 1994 | 30 Jun 1994 | - | - |
| Even Gjesdal | Secretary | 24 Sept 2009 | 6 Jul 2010 | Norwegian | - |
| Hugh Allan Webster | Director | 24 Jan 2006 | 21 Jan 2011 | British | 77 years |
| Ian Michael Holland | Director | 30 Jun 1994 | 17 May 1996 | British | 77 years |
| James Gaskell | Director | 12 Feb 2010 | 27 Aug 2013 | British | 51 years |
| James Gaskell | Secretary | 6 Jul 2010 | 9 Dec 2011 | British | - |
| James Smith Milne | Director | 30 Jun 1994 | 24 Jan 2006 | British | 86 years |
| Jan De Koning | Director | 29 Oct 2014 | 1 Sept 2015 | Dutch | 71 years |
| Janice O'brien | Secretary | 24 Jul 2009 | 24 Sept 2009 | British | - |
| John Dick | Director | 1 Sept 2015 | 15 Dec 2017 | British | 57 years |
| Julie Thain Lowden | Secretary | 1 Nov 1994 | 24 Jan 2006 | British | - |
| Ledingham Chalmers | Corporate Nominee Secretary | 12 May 1994 | 1 Nov 1994 | - | - |
| Mark Alexander Pirie Patterson | Director | 30 Jun 1994 | 26 Jul 1996 | British | 68 years |
| Matthew William Alan Grant | Director | 1 Dec 2017 | 8 Dec 2017 | British | 53 years |
| Michael John Melville | Director | 27 Sept 2004 | 24 Jan 2006 | British | 71 years |
| Mike Main | Director | 14 Feb 2013 | 27 Aug 2013 | British | 73 years |
| Nicholas James Gemmell | Secretary | 27 Aug 2013 | 8 Dec 2017 | - | - |
| Nicholas James Gemmell | Director | 1 Sept 2015 | 1 Dec 2017 | British | 58 years |
| Paul Scutt | Director | 30 Aug 1996 | 29 Sept 2000 | British | 63 years |
| Peter Alexander Metson | Director | 1 May 1995 | 8 Mar 1996 | Usa | 77 years |
| Petter Nilsen | Director | 24 Jan 2006 | 29 Oct 2012 | Norwegian | 55 years |
| Philip Hull Parker | Director | 1 Nov 1994 | 20 Apr 1995 | British | 80 years |
| Pinsent Masons Secretarial Limited | Corporate Secretary | 1 Feb 2012 | 27 Aug 2013 | United Kingdom | - |
| Robert William Byth | Director | 19 Dec 1997 | 31 Dec 2002 | British | 84 years |
| Sandeep Uppal | Director | 1 Dec 2017 | 8 Dec 2017 | British | 53 years |
| Scott Allan Taylor | Director | 24 Jan 2006 | 15 Nov 2009 | British | 54 years |
| Stephen John Curl | Director | 24 Jan 2006 | 24 Jul 2009 | British | 73 years |
| Stewart Risk | Director | 8 Mar 1996 | 14 Oct 1997 | British | 76 years |
| Terrence Martin Braatz | Director | 27 Aug 2013 | 1 Dec 2017 | American | 69 years |
| William Edwards Main | Director | 31 Dec 2002 | 24 Jan 2006 | British | 68 years |
| William John Bayliss | Director | 2 Sept 2011 | 2 Nov 2014 | British | 64 years |
| William Johnston Munro | Director | 30 Aug 1996 | 24 Jan 2006 | British | 71 years |
| Wolfgang Wandl | Director | 24 Jul 2009 | 14 Feb 2013 | Austrian | 60 years |