Appointment of James Mueller to Invensys Board and Retirement of Ian Strachan.

Business Editors and High-Tech Writers

LONDON--(BUSINESS WIRE)--March 7, 2000

Invensys plc announces that James Mueller has been appointed an executive director taking effect immediately.

He joined the group in 1993 and, having held a number of senior executive positions, was appointed as Chief Operating Officer in February 1999.

Following the successful integration of BTR and Siebe, Ian Strachan has announced his intention to step down as non-executive Deputy Chairman of Invensys. His retirement will take effect from March 31, 2000.

Mr. Strachan joined BTR plc in 1995 as Chief Executive and was appointed to the Board. He was appointed Deputy Chairman of BTR Siebe in February 1999, becoming non-executive on November 4, 1999.

Lord Marshall, Chairman of Invensys plc, said:

"I would like to thank Ian for his considerable contribution during the merger process which ensured that the two companies were quickly and smoothly integrated. We all wish him well for the future.

"I welcome the appointment to the Board of Jim Mueller who as Chief Operating Officer has led the successful integration and restructuring of the BTR and Siebe operations."

Invensys plc is a global leader in the Automation and Controls industry. With its head office in London, England, it operates in all regions of the world through four focused divisions - Intelligent Automation, Industrial Drive Systems, Power Systems and Controls. With over 100,000 employees, the company's products and services range from advanced control systems and networks for automating industrial plants and controlling the environments of buildings, to electronic devices and controls found in residential buildings and light commercial applications, plus complete power systems for the telecommunications and information technology industries. The Group was formed on February 4, 1999, through the merger of BTR plc and Siebe plc.