| INVENSYS SECRETARIES LIMITED ACTIVE | Secretary | 01 May 2015 | | | | Schneider Electric, Stafford Park 5, Telford, TF3 3BL, England |
| RICCI, Michael John ACTIVE | Director | 16 Apr 2000 | | United States | August 1962 | 132, Fairgrounds Road, West Kingston, Rhode Island 02892, United States |
| SAGE, Antoine Marie ACTIVE | Director | 15 Feb 2022 | | England | September 1982 | Schneider Electric, 80 Victoria Street, London, SW1E 5JL, England |
| ATKINSON, Richard RESIGNED | Secretary | 21 Jul 1998 | 19 Nov 1998 | | | 5 Lukins Drive, Dunmow, Essex, CM6 1XQ |
| ELSTONE, Henry Claude RESIGNED | Secretary | | 29 Sep 1994 | | | Valley House, Darrington, Pontefract, West Yorkshire, WF8 3BT |
| LEIGHTON, Iain Gordon Kerr RESIGNED | Secretary | 19 Nov 1998 | 16 Apr 2000 | | | 71 Rectory Grove, Clapham Common, London, SW4 0DS |
| MULLEN, Kenneth John RESIGNED | Secretary | 29 Sep 1994 | 16 Jun 1995 | | | Tonhil House, Borrowby, Thirsk, North Yorkshire, YO7 4QQ |
| ABOGADO NOMINEES LIMITED RESIGNED | Nominee Secretary | 16 Apr 2000 | 04 Jan 2013 | | | 100, New Bridge Street, London, EC4V 6JA, United Kingdom |
| PINSENT MASONS SECRETARIAL LIMITED RESIGNED | Secretary | 06 Feb 2014 | 01 May 2015 | | | 1, Park Row, Leeds, LS1 5AB, United Kingdom |
| PINSENT MASONS SECRETARIAL LIMITED RESIGNED | Secretary | 16 Jun 1995 | 21 Jul 1998 | | | 1 Park Row, Leeds, West Yorkshire, LS1 5AB |
| AUSTIN, Carey Jean Julian RESIGNED | Director | 31 Jan 1993 | 16 Apr 2000 | United Kingdom | July 1952 | 31 Upper Brighton Road, Worthing, West Sussex, BN14 9HY |
| BARDOS, Peter Andrew RESIGNED | Director | | 25 Feb 1993 | | October 1941 | 55 Havers Lane, Bishops Stortford, Hertfordshire, CM23 3PA |
| BARLOCK, Paul Regis RESIGNED | Director | 28 Aug 1998 | 16 Apr 2000 | | June 1950 | Chancery House, The Old Palace Palace Road, Ripon, North Yorkshire |
| BELISARIO, Anthony Alfredo RESIGNED | Director | 16 Jul 1996 | 16 Apr 2000 | United Kingdom | May 1950 | 24 Coronation Road, Prestbury, Cheltenham, Gloucestershire, GL52 3DA |
| DOWDING, Keith Stuart RESIGNED | Director | 28 Aug 1998 | 16 Apr 2000 | | March 1961 | 12 Nursery View, Faringdon, Oxfordshire, SN7 8SJ |
| EATON, Michael Roy RESIGNED | Director | | 28 Aug 1998 | | June 1948 | 1 Lonsdale, Linton, Cambridgeshire, CB1 6LT |
| FAIRLAMB, David Andrew RESIGNED | Director | | 09 May 1946 | | January 1946 | The Manse Church Street, Henham, Bishops Stortford, Hertfordshire, CM22 6AJ |
| FISHER, Andrew Charles RESIGNED | Director | 28 Mar 1995 | 31 Mar 1995 | | February 1958 | 5 Esholt Avenue, Guiseley, Leeds, West Yorkshire, LS20 8AX |
| GIGUERE, Jeffrey Joseph RESIGNED | Director | 16 Apr 2000 | 16 Mar 2007 | United States | June 1960 | 82 Keene Street, Providence, Rhode Island 02906, Usa |
| HALL, Eric RESIGNED | Director | | 07 Jul 1992 | England | December 1932 | Barton House, River View, Boston Spa, West Yorkshire, LS23 6BA |
| HODGSON, Peter RESIGNED | Director | 31 Jan 1993 | 28 Aug 1998 | United Kingdom | January 1951 | 37 Oakwood Road, Wetherby, West Yorkshire, LS22 7QY |
| JONES, David Alan RESIGNED | Director | 07 Jul 1992 | 15 Nov 1996 | | July 1943 | Tredragon, Church Street Long Marston, York, YO5 8NW |
| JONES, David Alan RESIGNED | Director | | 07 Jul 1992 | | July 1943 | Tredragon, Church Street Long Marston, York, YO5 8NW |
| KIDD, Raymond RESIGNED | Director | | 04 Aug 1992 | | August 1932 | 3 Rosedale, Pannal, Harrogate, North Yorkshire, HG3 1LB |
| LAMBETH, Trevor RESIGNED | Director | 26 Aug 2013 | 31 Mar 2022 | England | November 1963 | Stafford Park 5, Telford, Shropshire, TF3 3BL, United Kingdom |
| LAMMING, Philip Andrew RESIGNED | Director | 31 Jan 1993 | 11 Jul 1996 | | July 1942 | 25 Leconfield Garth, Follifoot, Harrogate, North Yorkshire, HG3 1NF |
| MCKENZIE, Ian Munro RESIGNED | Director | 31 Mar 1995 | 11 Jul 1997 | | August 1936 | 12 The Fairway, Bar Hill, Cambridge, Cambridgeshire, CB3 8SR |
| MUIR, Donald Michael RESIGNED | Director | 16 Apr 2000 | 17 May 2005 | | June 1956 | 44 East Shore Road, Jamestown, Rhode Island 02835, Usa |
| MULLEN, Kenneth John RESIGNED | Director | 28 Mar 1995 | 31 Mar 1995 | United Kingdom | December 1958 | Tonhil House, Borrowby, Thirsk, North Yorkshire, YO7 4QQ |
| PARKINSON, Kenneth RESIGNED | Director | 31 Mar 1995 | 25 Oct 1996 | | October 1956 | 15 Meyrick Avenue, Wetherby, West Yorkshire, LS22 6SP |
| PARKINSON, Kenneth RESIGNED | Director | 31 Jan 1993 | 28 Mar 1995 | | October 1936 | 15 Meyrick Avenue, Wetherby, LS22 6SP |
| PERRET, Sylvie Therese RESIGNED | Director | 11 Dec 2009 | 26 Aug 2013 | France | September 1963 | 140, Av Jean Kuntzmann Montbonnot, Saint Ismier, 38334, France |
| WARD, Peter Douglas RESIGNED | Director | 31 Jan 1993 | 30 Jun 1997 | | June 1943 | 90 Station Road, Burley In Wharfedale, Ilkley, West Yorkshire, LS29 7NS |
| WEXLER, Peter RESIGNED | Director | 16 Mar 2007 | 02 Dec 2009 | Usa | December 1967 | 4 Deep Meadow Road, Barrington 02806, Rhode Island, U S A |