Yokogawa Corporate Profile Public Relations & Investor Relations Dept. Yokogawa Electric Corporation Copyright © by Yokogawa Electric Corporation  September 2007

Corporate Information Company Name Founded Incorporated Paid-in Capital Sales Operating Income Ordinary Income R&D Investment/Sales Number of Employees Dividend Capital Ratio Results of fiscal year 2006 Yokogawa Electric Corporation September 1, 1915 December 1, 1920 43,401 million yen 433.4 billion yen (consolidated) 29.3 billion yen (consolidated) 29.6 billion yen (consolidated) 8.4% 19,286 15 yen 53.4% Corporation Profile Public Relations & Investor Relations Dept. Yokogawa Electric Corporation Copyright © by Yokogawa Electric Corporation  September 2007

Major Events in Yokogawa’s Past 1915 1917 1933 1955 1957 1964 1974 1975 1983 1984 1986 1988 1997 2000 2001 2002 2006 Dr. Tamisuke Yokogawa established an electric meter research institute in Shibuya, Tokyo First to produce and sell electric meters in Japan Started research and manufacture of aircraft instruments and flow, temperature, and pressure controllers Signed a technical assistance agreement for industrial instruments with Foxboro, USA Established Yokogawa Electric Works, Inc. as North American sales office Made a full-scale entry into the industrial analyzer market Established Yokogawa Electric Singapore Pte. Ltd. as Singapore plant Established Yokogawa Electric (Europe) B. V. as European sales office Released CENTUM, the world's first distributed process control system Formed Yokogawa Hokushin Electric Corp. through merger with Hokushin Electric Works, Ltd. Released Model 3520 Analog LSI Test System and entered IC tester field Changed the Company name to Yokogawa Electric Corporation Entered the high-frequency measuring instrument business Announced the Enterprise Technology Solutions business concept Announced the new VISION-21 & ACTION-21 corporate strategy Released the world's first 40Gbps optical communication module and entered the next-generation optical fiber communication field Acquired 100% of Ando Electric's stock Announced the Second Milestone of the VISION-21 & ACTION-21 Corporation Profile Public Relations & Investor Relations Dept. Yokogawa Electric Corporation Copyright © by Yokogawa Electric Corporation  September 2007

Yokogawa Employees Worldwide Yokogawa Electric Corporation 5,102 Group companies outside Japan 9,070 19,286 Worldwide Group companies in Japan 5,114 As of the end of March 2007 Corporation Profile Public Relations & Investor Relations Dept. Yokogawa Electric Corporation Copyright © by Yokogawa Electric Corporation  September 2007

Worldwide Business Operations Operating in 31 countries through 80companies World Headquarters Yokogawa Electric Corporation (Japan) Regional Headquarters in North America Yokogawa Corporation of America （USA） Regional Headquarters in China Yokogawa China （China） Regional Headquarters in Middle East Yokogawa Middle East （Bahrain） Regional Headquarters in Europe Yokogawa Europe （The Netherlands） Regional Headquarters in ASEAN Yokogawa Engineering Asia （Singapore） Ｃ Corporation Profile Public Relations & Investor Relations Dept. Yokogawa Electric Corporation Copyright © by Yokogawa Electric Corporation  September 2007

Service Organization A worldwide network of Yokogawa Response Centers, service offices, and service engineers provides a prompt response to all kinds of customer inquiries on an around-the-clock, 365-day-per-year basis. Response Center Service Office Network Call center services by specialists Remote monitoring and patrol inspection Supply of information on hardware/software revision Customers On-site maintenance Dispatch of engineers Supply of Spare parts and components Remote Data collection and analysis Escalation Technical support from responsible department Korea Singapore China Brazil India Bahrain USA The Netherlands Corporation Profile Public Relations & Investor Relations Dept. Yokogawa Electric Corporation Copyright © by Yokogawa Electric Corporation  September 2007

Consolidated Sales and Operating Income Operatig Income （Unit: Billion yen） ＦＹ2000 ＦＹ2001 ＦＹ2002 ＦＹ2003 ＦＹ2004 ＦＹ2005 ＦＹ2006 Sales Operating Income The figures are rounded to the nearest 100 million yen. Corporation Profile Public Relations & Investor Relations Dept. Yokogawa Electric Corporation Copyright © by Yokogawa Electric Corporation  September 2007

Business Segments: Industrial Automation and Control - 1 Production Control Systems CENTUM CS 3000 R3 Integrated Production Control System STARDOM Network-based Control System ProSafe-RS Safety Instrumented System FA-M3R Range-free Multi-controller Corporation Profile Public Relations & Investor Relations Dept. Yokogawa Electric Corporation Copyright © by Yokogawa Electric Corporation  September 2007

Business Segments: Industrial Automation and Control - 2 Field Instruments and Recorders ADMAG AXF Magnetic Flowmeter DPharp EJX Dｉfferential Pressure Transmitter DXAdvanced Data Acquisition and Display Station GC1000 MarkⅡ Process Gas Chromatograph PH450G pH Meter Corporation Profile Public Relations & Investor Relations Dept. Yokogawa Electric Corporation Copyright © by Yokogawa Electric Corporation  September 2007

Business Segments: Industrial Automation and Control - 3 Information System Solutions Facility and Energy Management Solutions Enemap Energy Navigation System Enerize Real-time Energy Cost Management System Exaquantum Energy Information Management System ShadeQuest/DIAG Mediacl Image Information System Web-based User Interface Yokogawa’s Comprehensive Solutions ASTREA FM1000 Facility Enviroment Management System ASTREA AM1000 Facility Access Management System Ethernet BACnet Area Server LonWorks Security Gate Controller LonWorks Image Server IC Card Reader Heating Ventilation and Air Conditioning Controller Surveillance Camera Econo-Pilot Energy-saving System for Water Pump WMSS Video Surveillance System Corporation Profile Public Relations & Investor Relations Dept. Yokogawa Electric Corporation Copyright © by Yokogawa Electric Corporation  September 2007

Business Segments: Test and Measurement - 1 Semiconductor Testers and Handlers MT6121 Memory Test System ST6730 FPD Driver Test System TS6000H+ High-Speed SOC Test System HS2000 Pick and Place IC Handler Corporation Profile Public Relations & Investor Relations Dept. Yokogawa Electric Corporation Copyright © by Yokogawa Electric Corporation  September 2007

Business Segments: Test and Measurement - 2 Electronic Measuring Instruments DL9710 Mixed Signal Scope VC3300 Wireless Communication Tester WT3000 Precision Power Analyzer AQ7270 Optical Time Domain Reflectometer AQ6370 Optical Spectrum Analyzer SL1400 ScopeCorder LITE Corporation Profile Public Relations & Investor Relations Dept. Yokogawa Electric Corporation Copyright © by Yokogawa Electric Corporation  September 2007

Business Segments: New and Other Businesses - 1 Optical Communications Equipment Optical Moduleｓ 40Gbps Optical Packet Switch Sagamihara Office Advanced Stage Direct Drive Motors Large-scale Precision XY Stage Corporation Profile Corporation Profile Public Relations & Investor Relations Dept. Yokogawa Electric Corporation Copyright © by Yokogawa Electric Corporation  September 2007 Public Relations & Investor Relations Dept. Yokogawa Electric Corporation Copyright © by Yokogawa Electric Corporation  April 2007

Business Segments: New and Other Businesses - 2 Life Science Related Products CSU-X1 Cofocal Scanner Kanazawa Office Aviation Equipment Flat Panel Displayｓ for Aviation Use Corporation Profile Public Relations & Investor Relations Dept. Yokogawa Electric Corporation Copyright © by Yokogawa Electric Corporation  September 2007

Customer Centric Solutions Leading Edge Technology One Global YOKOGAWA Customer Centric Solutions Leading Edge Technology Yokogawa will become a global service company that provides solutions. Corporation Profile Public Relations & Investor Relations Dept. Yokogawa Electric Corporation Copyright © by Yokogawa Electric Corporation  September 2007