Lord Marshall of Knightsbridge
Chairman
Joined the Siebe plc Board in January 1998 and appointed Chairman in June 1998. Chairman of British Airways Plc and non-executive director of HSBC Holdings plc. Formerly President of the Confederation of British Industry. (aged 69)
Chairman of Nominating Committee.

Richard Haythornthwaite
Chief Executive
Joined the Invensys plc Board in July 2001 and appointed Chief Executive in October 2001. Non-executive director of Imperial Chemical Industries PLC and, until 30 June 2003, Lafarge SA. Formerly Chief Executive Officer of Blue Circle Industries plc (until the company was acquired by Lafarge SA), formerly non-executive director of Cookson Group plc and held senior positions with BP and Premier Oil. (aged 46)

Adrian Hennah
Chief Financial Officer
Joined Invensys plc as Senior Vice President, Finance in October 2002, appointed to the Board in October 2002 and became Chief Financial Officer on 1 January 2003. Formerly Senior Vice President, Finance and Operations with GlaxoSmithKline Plc, R&D. Prior to this he was the Chief Financial Officer for Glaxo Wellcome Inc USA. (aged 45)

Sir Philip Beck
Non-executive director
Appointed to the Siebe plc Board in October 1991. Non-executive director of Delta plc. Formerly Chairman of Railtrack PLC, Chairman of John Mowlem and Company PLC and non-executive director of Kitigawa Europe Limited. (aged 68)
Member of Nominating Committee and Remuneration Committee.

Rolf Börjesson
Non-executive director
Appointed to the Siebe plc Board in July 1998. Chief Executive and Managing Director of Rexam PLC. Non-executive director of Svenska Cellulosa Aktiebolaget SCA and Copenhagen Airports A/S. Formerly Chief Executive of PLM AB. (aged 60)
Senior Independent Director.
Chairman of Remuneration Committee and member of Audit Committee.

Larry Farmer
Non-executive director
Appointed non-executive director of Invensys plc in March 2002. Non-executive director of Digital Steps Energy Limited and Digital Steps Limited. Formerly Chief Executive of Halliburton Brown & Root Limited. (aged 63)
Member of Audit Committee and Remuneration Committee.

Jean-Claude Guez
Non-executive director
Appointed non-executive director of Invensys plc in January 2003. Non-executive director of Exel plc and Eurostar Group Ltd and a former management consulting partner at Accenture, where he remains as a part-time adviser to senior management. Advisory partner with Rocket Ventures LP. (aged 59)
Member of the Remuneration Committee.

Martin Jay
Non-executive director
Appointed non-executive director of Invensys plc in January 2003. Chairman of VT Group plc and prior to that Chief Executive for 13 years. Previously held a range of leadership positions at GEC and was a member of the GEC Management Board. Mr Jay will succeed Lord Marshall of Knightsbridge as Chairman of Invensys plc at the annual general meeting in July 2003. (aged 63)
Member of the Nominating Committee.

Andrew Macfarlane
Non-executive director
Appointed non-executive director of Invensys plc in March 2003. Group Finance Director of Land Securities Group plc and previously Chief Financial Officer of the hotels division of Bass plc (subsequently Six Continents). Prior to this, Director of Corporate Finance of Bass plc. (aged 46) Chairman of Audit Committee.

Simon Robertson
Non-executive director
Appointed non-executive director of Invensys plc in February 1999, having joined the BTR plc Board in 1997. Managing Director of Goldman Sachs International and President of Goldman Sachs Europe Ltd. Non-executive director of Inchcape plc and Berry Bros. & Rudd Limited. Former Chairman of Kleinwort Benson Group plc. (aged 62)