InTouch® HMI Software to Provide Support for Microsoft Windows® Server 2003 Operating System

LAKE FOREST, Calif., July 22, 2003 -- Wonderware, a business unit of Invensys Systems, Inc., today announced that its InTouch® human-machine interface (HMI) software is the first industry-leading HMI that provides support for the Microsoft Windows® Server 2003 Standard Edition operating system. Wonderware's InTouch HMI software is designed for industrial automation, process control and supervisory monitoring environments.

InTouch 8.0 software is part of the FactorySuite A²™ product series, which provides factory automation solutions based on Invensys’ ArchestrA™ software architecture. The “A²” signifies the ArchestrA product family.

“In keeping with Wonderware’s legacy of offering leading-edge technology, we continue to provide customers with software to support the latest Microsoft® operating system as quickly as possible,” said Renee Robinson, product marketing manager for Wonderware visualization products. “Wonderware was the first company to pioneer the use of the Windows platform in industrial automation in 1989, and our strategy has always been to keep pace with Microsoft technology.”

InTouch 8.0 software is offered in both standard and terminal services versions. Both versions provide support for the Microsoft Windows Server 2003 operating system. Wonderware also plans to upgrade its IndustrialSQL Server™ 8.0 historian and Industrial Application Server to provide support for the Microsoft Windows Server 2003 operating system.

Wonderware InTouch software provides visualization for plant-centric, operator-centric manufacturing information systems that share information within and between plants. The InTouch HMI is in use in more than 180,000 installations around the world, in a variety of vertical markets including food processing, oil and gas, automotive, chemical, pharmaceutical, pulp and paper, transportation and utilities.

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. Its mission is to power 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 licenses in 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 850 million pounds (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, Powerware and Teccor. 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, InTouch, FactorySuite, FactorySuite A2 and ArchestrA, SimSci-Esscor, Foxboro, APV, Avantis, Eurotherm, Triconex, Powerware, IMServ, Safetran Systems, Burco Systems, Westinghouse Signals, APV Baker, Hansen Transmissions and Lambda are trademarks of Invensys plc, its subsidiaries and affiliated companies. All other brands may be trademarks of their respective owners.