Yokogawa Marex of Cowes, Isle of Wight, the Global Manufacturing Excellence Solutions (MES) Centre (GMSC) for the Yokogawa Group, today (31 January 2005) announces the sale of its 400th Exaquantum PIMS system.

Yokogawa's market-leading and functionally rich Exaquantum plant information management system (PIMS) has reached another milestone - its 400th customer license. With its ability to provide complete turnkey services from sensors to full MES solutions, Yokogawa is the supplier of choice for many customers and industries worldwide.

New Exaquantum installations include Shell Norco in the USA, Shell Nanhai in China, Shell Clyde & Geelong Refineries in Australia, the Jubail United Petrochemical Company (JUPC) in Saudi Arabia, the Sohar Refinery in Oman and Eraring Energy in Australia. Consequently, Exaquantum now has a significant worldwide PIMS prescence.

Exaquantum PIMS provides the core system for other Yokogawa packages including Exaquantum/Batch, Exaquantum/SER sequence of events recorder and Exaspot oil and gas process optimizer.

Nigel Bowden, MD of GMSC says "Exaquantum is going from strength to strength as shown by the significant number of orders being received and we expect to receive our 500th order in June 2005. With many old plants now being retro-fitted with new control systems to provide greater efficiency and return on investment, it is not surprising that so many top international companies have chosen Exaquantum as their platform of choice."

1. The Yokogawa Group is a world leader in information management systems for process industries. The company provides a systems development and integration capability specializing in integrated information systems for the global marketplace.

2. The Yokogawa 'Exaquantum' Plant Information Management System (PIMS) delivers benefits for plant operators in many process industries in most parts of the world. Yokogawa PIMS integrate data from many systems in a plant and produce high value business information for use by decision makers at all levels of the enterprise. Yokogawa PIMS automatically integrate data from process control systems, including Distributed Control Systems (DCS) and Programmable Logic Controllers (PLC), with other data from quality, maintenance, laboratory, planning, scheduling, Enterprise Resource Planning (ERP) and many other systems. Yokogawa PIMS convert Plant Data into Business Information.

3. The Yokogawa software being installed today is already in use in chemicals, food, petrochemicals, oil & gas, pharmaceuticals, power generation and general manufacturing throughout the world, providing monitoring, management, optimization, modeling and control of many diverse, dynamic, and hazardous processes, in often the largest plants.

4. Issued on behalf Christian Beasley: Yokogawa Marex Ltd, Marex House, 34 Medina Rd, Cowes, Isle of Wight, UK, PO31 7DA. Tel: +44 (0)1983 296011. Fax: +44 (0)1983 291776 e-mail: Christian.Beasley@ymx.yokogawa.com

5. Yokogawa Marex Website: www.ymx.yokogawa.com

6. Issued for and on behalf of Yokogawa Marex by John Ockenden, John Ockenden international public relations, Whindrum House, Methven, Perth PH1 3QU. Tel. +44 (0)7710 391 054. e-mail: john@jockenden.freeserve.co.uk

7. Photographs (both high resolution electronic and print) and system/network graphics are available to accompany this story. Please contact John Ockenden.

PR6025 - January 05