| Amaury Ghislain Pierre De Warenghien | Director | 3 Jul 2001 | 12 Nov 2004 | French | 68 years |
| Amy Victoria Gwynne Garvin | Director | 31 Aug 2017 | 15 Jun 2021 | British | 49 years |
| Andrew John Purvis | Director | 1 Jan 2004 | 15 Sept 2010 | British | 66 years |
| Andrew Kenneth Haste | Director | 13 Dec 1999 | 12 Dec 2002 | British | 64 years |
| Andrew Mark Parsons | Director | 5 Nov 2009 | 30 Mar 2012 | British | 61 years |
| Arthur Leslie Owen | Director | 9 Sept 1997 | 13 Dec 1999 | United Kingdom | 77 years |
| Aviva Director Services Limited | Corporate Director | 31 Mar 2016 | 31 Jan 2017 | - | - |
| Clair Louise Marshall | Director | 30 Dec 2016 | 29 Sept 2017 | British | 65 years |
| Clare Alice Wilson | Director | 12 Dec 1996 | 11 Jun 1997 | British | 61 years |
| David Emmanuel Hynam | Director | 1 Jan 2006 | 11 Jun 2008 | British | 55 years |
| David Emmanuel Hynam | Director | 15 Sept 2010 | 5 Jul 2013 | British | 55 years |
| David Frank Wilson | Director | 3 Mar 2003 | 31 Dec 2003 | British | 68 years |
| David John Garrett | Director | 16 Mar 1998 | 21 Dec 2000 | British | 81 years |
| David Richard Cheeseman | Director | 23 Jul 2008 | 15 Sept 2010 | British | 58 years |
| Denis Duverne | Director | 19 Jun 1997 | 7 Mar 2001 | French | 73 years |
| Dennis Holt | Director | 23 Oct 2001 | 30 Jun 2006 | British | 78 years |
| Duncan Alexander Kerr | Director | 11 Jun 1997 | 9 Sept 1997 | British | 91 years |
| Emily Anne Field | Director | 21 Jul 2021 | 1 Nov 2022 | British | 42 years |
| Evelyn Brigid Bourke | Director | 15 Sept 2010 | 21 Sept 2012 | Irish,british | 61 years |
| Francois De Meneval | Director | 14 Dec 2004 | 15 Sept 2010 | French | 63 years |
| Friends Life Secretarial Services Limited | Corporate Secretary | 9 Sept 2011 | 17 Mar 2017 | United Kingdom | - |
| Gilles Marie Pierre Louis Avenel | Director | 16 Mar 1998 | 11 Jan 1999 | French | 76 years |
| Gregory Mark Wood | Director | 11 Jun 1997 | 21 Feb 2001 | British | 73 years |
| Helen Potter | Director | 1 Nov 2022 | 6 Aug 2025 | British,german | 44 years |
| Ian David Lea Richardson | Director | 13 Sept 2004 | 31 Dec 2007 | British | 81 years |
| Ian David Lea Richardson | Secretary | 17 Mar 1998 | 13 Sept 2004 | British | - |
| Ian Hird | Secretary | 11 Jun 1997 | 16 Mar 1998 | British | - |
| Ian Robinson | Director | 1 Jan 2008 | 12 Jul 2010 | British | 57 years |
| James Masson Black | Director | 8 Feb 2013 | 27 Sept 2013 | British | 62 years |
| Jeremy Peter Small | Secretary | 13 Sept 2004 | 15 Sept 2010 | British | - |
| John Edward Michael Dillon | Director | 12 Dec 1996 | 11 Jun 1997 | British | 63 years |
| Jonathan Stephen Moss | Director | 19 Sept 2012 | 29 Oct 2015 | British | 63 years |
| Julian Victor Frow Roberts | Director | 24 Jun 1999 | 24 Jul 2000 | British | 69 years |
| Kevin Charles Bounds | Director | 1 Jan 2006 | 30 Dec 2006 | British | 73 years |
| Laura Eileen Mcgowan | Director | 15 Jun 2021 | 12 Dec 2022 | Irish | 52 years |
| Linda Hall | Director | 31 Aug 2017 | 21 Jul 2021 | British | 70 years |
| Lindsay Clare J'afari Pak | Director | 25 Nov 2009 | 1 Aug 2013 | British | 56 years |
| Mark Richard Beavis Versey | Director | 3 May 2011 | 28 Mar 2014 | British | 54 years |
| Michael Eric Peter Moss | Director | 19 Jun 1997 | 9 Sept 1997 | British | 85 years |
| Michael John Kellard | Director | 17 Apr 2007 | 15 Sept 2010 | British | 65 years |
| Monica Risam | Director | 29 Oct 2015 | 31 Aug 2017 | British,american | 54 years |
| Nicolas Jean Marie Denis Moreau | Director | 1 Jul 2006 | 15 Sept 2010 | French | 61 years |
| Norman William Ogilvie Gilmour | Director | 16 Mar 1998 | 31 May 2000 | British | 78 years |
| Office Organization & Services Limited | Corporate Secretary | 4 Feb 1997 | 11 Jun 1997 | United Kingdom | - |
| Paul James Evans | Director | 4 Mar 2002 | 15 Sept 2010 | British | 61 years |
| Peter Jonathan Shelley | Director | 13 Dec 1999 | 30 Dec 2004 | British | 74 years |
| Peter Nigel Stuckey Clark | Director | 9 Sept 1997 | 28 Jun 2002 | British | 79 years |
| Philip Duncan Loney | Director | 10 Apr 2001 | 29 Aug 2003 | British | 62 years |
| Philippe Louis Herbert Maso Y Guell Rivet | Director | 30 Jun 2003 | 11 Apr 2008 | French | 60 years |
| Robert Edmund Lee | Director | 13 Dec 1999 | 7 Jun 2006 | British | 69 years |
| Robin Duncan Smith | Director | 16 Sept 2013 | 30 Sept 2015 | British | 63 years |
| Ruth Yeoman | Secretary | 15 Sept 2010 | 29 Feb 2012 | British | - |
| Sean William Lowther | Director | 7 Mar 2001 | 2 Sept 2005 | British | 66 years |
| Stewart Stephen Calder | Director | 19 Sept 2012 | 21 Aug 2015 | British | 57 years |
| Swift Incorporations Limited | Corporate Nominee Secretary | 12 Dec 1996 | 4 Feb 1997 | United Kingdom | - |
| Trevor John Matthews | Director | 15 Sept 2010 | 2 Jun 2011 | Australian | 74 years |
| William Mitchell Brown | Director | 11 Jun 1997 | 16 Mar 1998 | British | 83 years |