| Alistair Mcrae | Director | 31 Jul 2009 | 5 Apr 2013 | British | 68 years |
| Clive Graham Ellwood | Director | 18 Mar 2009 | 4 Nov 2011 | British | 68 years |
| Clive Jonathan Mottram | Director | 15 Jun 2009 | 2 Jun 2010 | British | 67 years |
| Cyrille Ragoucy | Director | 4 Apr 2013 | 19 Jan 2016 | French | 70 years |
| Deborah Grimason | Director | 13 Apr 2007 | 19 Jun 2009 | British | 63 years |
| Deborah Grimason | Director | 1 Jan 2012 | 20 Nov 2013 | British | 63 years |
| Dyfrig Morgan James | Director | 4 Apr 2003 | 25 Feb 2009 | British | 72 years |
| Fiona Puleston Penhallurick | Director | 22 May 2015 | 15 Mar 2016 | British | 59 years |
| Francis Colhoun | Director | 18 Mar 2009 | 5 Apr 2013 | British | 53 years |
| Gerard Francois Michel Costa | Director | 25 Feb 2009 | 19 Jun 2009 | French | 78 years |
| Guy Franklin Young | Director | 4 Apr 2013 | 31 Oct 2015 | South African | 57 years |
| Ian Maclean Reid | Director | 8 Jul 1999 | 4 Apr 2003 | British | 81 years |
| Instant Companies Limited | Corporate Nominee Director | 3 Apr 1998 | 23 Apr 1998 | United Kingdom | - |
| John Sinclair Lovell | Director | 18 Mar 2009 | 7 Jan 2013 | British | 59 years |
| Keith William Deighton | Director | 1 Jun 1998 | 31 Jan 1999 | British | 76 years |
| Lafarge Directors (uk) Limited | Corporate Director | 1 Feb 2010 | 5 Apr 2013 | United Kingdom | - |
| Lafarge Tarmac Directors (uk) Limited | Corporate Director | 23 May 2014 | 22 May 2015 | United Kingdom | - |
| Louis Leslie Alexander Eperjesi | Director | 20 Mar 2000 | 30 Apr 2002 | Canadian | 64 years |
| Marie-cecile Collignon | Director | 1 Sept 2011 | 31 Dec 2011 | French | 50 years |
| Mark Leslie Crump | Director | 1 Jun 1998 | 31 Mar 1999 | British | 63 years |
| Martin Paul Reid | Director | 18 Mar 2009 | 6 Apr 2010 | British | 59 years |
| Michael William Penny | Director | 1 Jun 1998 | 20 Mar 2000 | British | 76 years |
| Peter William Joseph Mills | Director | 10 Sept 2002 | 13 Apr 2010 | British | 73 years |
| Phillip Thomas Edward Lanyon | Director | 16 Aug 2010 | 23 May 2014 | British | 62 years |
| Raymond Alfred Elliott | Director | 31 Dec 2003 | 13 Apr 2007 | British | 79 years |
| Rebecca Joan Powell | Director | 30 Sept 2010 | 1 Sept 2011 | British | 54 years |
| Richard Charles Monro | Director | 23 Apr 1998 | 30 Jun 1998 | British | 68 years |
| Robert David Andrews | Director | 23 Apr 1998 | 30 Jun 1998 | British | 84 years |
| Sandra Onions | Director | 13 Apr 2010 | 5 Apr 2013 | British | 60 years |
| Sonia Fennell | Director | 7 Jun 2010 | 30 Sept 2010 | British | 67 years |
| Stanley Frederick Norton | Director | 30 Jun 1998 | 31 Dec 2003 | British | 80 years |
| Swift Incorporations Limited | Corporate Nominee Secretary | 3 Apr 1998 | 23 Apr 1998 | United Kingdom | - |