| Bourse Securities Limited | Corporate Nominee Director | 24 Jan 1991 | 14 Feb 1991 | United Kingdom | - |
| Bristol Legal Services Limited | Corporate Nominee Secretary | 24 Jan 1991 | 14 Feb 1991 | United Kingdom | - |
| Ervin Landau | Director | 12 Apr 1996 | 8 Jan 1999 | British | 90 years |
| Graeme Bissett | Director | 11 Jan 1999 | 25 Apr 2001 | British | 68 years |
| Hugh David Mcdonald Wares | Director | 4 Jan 1993 | 12 Apr 1996 | British | 83 years |
| Ian Ellis Fraser | Director | 19 Sept 2005 | 1 Jul 2011 | Uk | 69 years |
| John David Wisbey | Director | 31 Dec 1991 | 14 Oct 1992 | British | 79 years |
| John Mclellan Houston | Director | 12 Apr 1996 | 28 Mar 2000 | British | 82 years |
| Kazushi Ogura | Director | 15 Jul 2011 | 1 Mar 2014 | Japanese | 53 years |
| Kenji Murai | Director | 15 Jul 2011 | 1 Feb 2018 | Japanese | 60 years |
| Kenneth Andrew Mcgill | Director | 22 Jul 2004 | 28 Mar 2006 | British | 68 years |
| Kenneth Andrew Mcgill | Secretary | 12 Apr 1996 | 22 Jul 2004 | British | - |
| Mark Richard Slade | Director | 1 Mar 2014 | 1 Feb 2018 | British | 51 years |
| Mark Richard Slade | Director | 1 Feb 2018 | 1 Apr 2019 | British | 51 years |
| Maureen Heather Allen | Director | 11 Mar 1991 | 12 Apr 1996 | British | 83 years |
| Michael Andrew Biggar | Director | 14 Feb 1991 | 11 Mar 1991 | British | 77 years |
| Michael Joseph Anthony Healy | Director | 28 Mar 2006 | 1 Jul 2011 | British | 66 years |
| Michael Joseph Anthony Healy | Secretary | 22 Jun 2006 | 1 Jul 2011 | British | - |
| Richard James Abolins | Director | 31 Dec 1991 | 12 Apr 1996 | British | 68 years |
| Richard James Abolins | Secretary | 11 Mar 1991 | 12 Apr 1996 | British | - |
| Samuel Robert Alan Ebbrell | Director | 31 Dec 1991 | 25 Nov 1994 | British | 88 years |
| Scott Morrison | Secretary | 22 Jul 2004 | 22 Jun 2006 | British | - |
| Stanley Hart Owens | Director | 25 Apr 2001 | 25 Apr 2001 | American | 78 years |
| Stanley Hart Owens | Director | 25 Apr 2001 | 25 Nov 2002 | American | 78 years |
| Thomas Farmer | Director | 12 Apr 1996 | 8 Jan 1999 | British | 86 years |
| Timothy Charles Parker | Director | 25 Nov 2002 | 23 Mar 2005 | British | 71 years |
| Trevor Ronald Allen | Director | 11 Mar 1991 | 12 Apr 1996 | British | 87 years |
| Watterson | Corporate Secretary | 14 Feb 1991 | 11 Mar 1991 | - | - |