| Amec Nominees Limited | Corporate Director | 9 Sept 1997 | 21 Feb 2000 | United Kingdom | - |
| Christopher Laskey Fidler | Director | 8 Jun 1992 | 9 Sept 1997 | British | 71 years |
| Christopher Laskey Fidler | Director | 31 Mar 2011 | 22 Jul 2016 | British | 71 years |
| Christopher Laskey Fidler | Secretary | 8 Jun 1992 | 24 Oct 1997 | British | - |
| Christopher Laskey Fidler | Secretary | 16 Jun 2009 | 1 Apr 2011 | British | - |
| Colin Fellowes | Secretary | 24 Oct 1997 | 16 Jun 2009 | British | - |
| Finnieston Street Investments Limited | Corporate Director | 8 Jun 1992 | 9 Sept 1997 | United Kingdom | - |
| Grant Richmond Ling | Director | 21 Feb 2000 | 15 Feb 2002 | British | 70 years |
| Helen Morrell | Secretary | 4 Dec 2015 | 22 Feb 2017 | - | - |
| Kim Andrea Hand | Secretary | 1 Apr 2011 | 4 Dec 2015 | - | - |
| Michael Blacker | Director | 31 Aug 2009 | 31 Mar 2011 | British | 71 years |
| Michael John Bardsley | Director | 9 Sept 1997 | 21 Feb 2000 | British | 82 years |
| Michael Straughen | Director | 21 Feb 2000 | 31 Dec 2006 | British | 76 years |
| Neil Alexander Bruce | Director | 21 Feb 2000 | 1 May 2009 | British | 66 years |
| Peter James Holland | Director | 31 Dec 2006 | 31 Aug 2009 | British | 79 years |
