Invensys’ Wonderware Business Unit Receives Start Magazine Technology Vision Award

LAKE FOREST, Calif., Sept. 29, 2003 – Wonderware, a business unit of Invensys Systems, Inc., today announced that it has received Start magazine’s 2003 Technology & Business (T&B) Vision award. Wonderware was recognized for its industry-leading software and technology developments, which have helped transform the manufacturing industry.

The T&B Vision awards recognize vendors that use the latest technology to help customers solve critical business challenges. Companies were reviewed by a panel of independent judges selected from industry analyst firms.

“This is a significant achievement for Wonderware. With this award, Start recognizes Wonderware’s continued commitment to provide the most innovative applications to the manufacturing industry,” said Mike Bradley, president of the Wonderware and ArchestrA business units. “From our groundbreaking ArchestrA software architecture to our individual product offerings, Wonderware customers achieve business goals without abandoning prior investments in automation systems, production processes or intellectual property.”

Awarded in conjunction with the T&B Vision award is the Vertical Market Solution award, which recognizes end-user customer companies that solve significant business problems by implementing creative, cost-effective technology solutions. Wonderware customer BP America won this award for implementing Wonderware’s Industrial Application Server at its natural gas production facility in Durango, Colo. The Industrial Application Server is built on Invensys’ ArchestrA industrial automation and information software architecture.

About Wonderware

Wonderware is a business unit of Invensys Systems, Inc., and is the world’s leading supplier of industrial automation software. Founded in 1987, Wonderware pioneered the use of the Microsoft® Windows® operating system in HMI automation software for manufacturing operation systems. Wonderware powers intelligent plant decisions in real time.

Based in Lake Forest, Calif., Wonderware has regional sales and development offices throughout North America, Europe, Latin America and Asia to provide support to its network of more than 160 distributor offices. Wonderware has approximately 300,000 software licenses in approximately 100,000 plants worldwide, which is about 30 percent of the world’s 335,000 plants with 20 or more employees.

About Invensys

Invensys is a global leader in production technology. The group helps customers improve productivity, performance and profitability using innovative services and technologies and a deep understanding of their industries and applications.

Invensys Production Management works closely with customers to increase performance of production assets, maximize return on investment in production and data management technologies and remove cost and cash from the supply chain. The division includes APV, Avantis, Eurotherm, Foxboro, IMServ, SimSci-Esscor, Triconex and Wonderware. These businesses address process and batch industries -- including oil and gas, chemicals, power and utilities, food and beverage, and personal health care -- and the discrete and hybrid manufacturing sectors.

Invensys Rail Systems is a global leader in the design, manufacture, supply, installation, commissioning and maintenance of safety related rail signaling and control systems as well as a complete range of rail signaling and communications products. The business includes Westinghouse Rail Systems Limited (WRSL), Dimetronic Signals, Safetran Systems, Burco Services, Westinghouse Signals Australia and Foxboro Transportation. WRSL was recently awarded two contracts valued at more than £850m (US$1.3 billion) for the renewal of signaling on the London Underground.

Invensys also currently serves other market sectors through its Development Division. The businesses in this division are: Appliance Controls, APV Baker, Climate Controls, Hansen Transmissions, Lambda, Metering Systems and Powerware. Invensys is actively seeking to develop these businesses through equity partners or new owners.

Invensys operates in more than 60 countries, with its headquarters in London. For more information, visit www.invensys.com.

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Invensys, Wonderware, ArchestrA, APV, Avantis, Burco, Dimetronic, Eurotherm, Foxboro, Hansen, IMServ, Lambda, Powerware, Safetran, SimSci-Esscor, Triconex and Westinghouse are trademarks of Invensys plc, its subsidiaries and affiliated companies. All other brands and product names may be the trademarks of their respective owners.