| Aileen Norma Taylor | Director | 1 Aug 2007 | 24 Sept 2010 | British | 53 years |
| Alan Wallace Mckean | Secretary | 26 Mar 1990 | 26 Jan 1996 | British | - |
| Alfred David Deans | Director | 11 Dec 1989 | 6 Feb 1991 | British | 91 years |
| Andre Mark Webb | Director | 31 Mar 2005 | 30 Apr 2018 | British | 63 years |
| Andrew Sinclair Gardiner | Director | 7 Dec 2009 | 28 Jun 2011 | British | 62 years |
| Anthony Malcolm Cripps | Director | 14 Feb 1997 | 22 Apr 2002 | British | 68 years |
| Aylmer Edwin Millen | Director | 16 Sept 1994 | 2 Dec 2002 | British | 78 years |
| Barry Eric Kirk Horrell | Director | 26 Apr 2006 | 2 Dec 2008 | British | 66 years |
| Barry Varcoe | Director | 11 Feb 2004 | 30 Sept 2009 | British | 63 years |
| Brian Richard Williams | Director | 2 Dec 2002 | 11 Feb 2004 | British | 70 years |
| D.w. Company Services Limited | Corporate Nominee Secretary | 9 Dec 1988 | 26 Mar 1990 | United Kingdom | - |
| David Hardie | Nominee Director | 9 Dec 1988 | 28 Dec 1991 | British | 71 years |
| David Howard Barr | Director | 28 Sept 2001 | 31 Mar 2005 | British | 75 years |
| Deborah Susan Esslemont | Secretary | 6 Nov 2000 | 28 Sept 2006 | British | - |
| Edward John Gerard Smith | Director | 22 Apr 2002 | 21 Nov 2005 | British | 65 years |
| Edwin Thomas Regan | Director | 11 Dec 1989 | 30 Sept 1992 | British | 92 years |
| Ernest Michael Sheavills | Director | 12 Aug 1992 | 31 Dec 2005 | British | 80 years |
| Gary Robert Mcneilly Stewart | Director | 24 Sept 2010 | 25 Mar 2013 | British | 59 years |
| Hew Campbell | Director | 16 Sept 1994 | 1 Aug 2007 | British | 63 years |
| James Snodgrass Lindsay | Director | 11 Dec 1989 | 6 Feb 1991 | British | 73 years |
| James Snodgrass Lindsay | Secretary | 11 Dec 1989 | 26 Mar 1990 | British | - |
| Kennedy Campbell Foster | Director | 6 Feb 1991 | 30 Aug 1994 | British | 75 years |
| Maureen Sheila Coutts | Nominee Director | 9 Dec 1988 | 28 Dec 1991 | British | - |
| Neil Stanley Austin | Director | 19 Sept 2011 | 11 Sept 2015 | British | 55 years |
| Rajan Kapoor | Director | 22 Apr 2002 | 19 Sept 2011 | British | 73 years |
| Rbs Secretarial Services Limited | Corporate Secretary | 24 Jun 2015 | 17 Apr 2019 | United Kingdom | - |
| Richard Grahame Solomon | Director | 19 Sept 2011 | 21 Mar 2017 | British | 57 years |
| Richard Paul Westlake Smith | Director | 28 Jun 2011 | 19 Sept 2011 | British | 62 years |
| Roger John Lock | Director | 11 Dec 1989 | 25 Jun 1993 | British | 83 years |
| Sally Jane Sutherland | Director | 25 Mar 2013 | 30 Oct 2013 | British | 58 years |
| Shirley Margaret Macgillivray | Secretary | 26 Jan 1996 | 6 Nov 2000 | British | - |
| Walter Ainslie Skeldon | Director | 6 Feb 1991 | 22 Apr 2002 | British | 74 years |
| Yvonne Addison | Secretary | 28 Sept 2006 | 24 Jun 2015 | British | - |