1. 11 Public Relations & Investor Relations Dept. Yokogawa Electric Corporation Copyright © by Yokogawa Electric Corporation September 2007 Yokogawa Corporate Profile

2. 22 Corporation Profile Public Relations & Investor Relations Dept. Yokogawa Electric Corporation Copyright © by Yokogawa Electric Corporation September 2007 Results of fiscal year 2006 Corporate Information 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% Company Name Founded Incorporated Paid-in Capital Sales Operating Income Ordinary Income R&D Investment/Sales Number of Employees Dividend Capital Ratio

3. 33 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

4. 44 Corporation Profile Public Relations & Investor Relations Dept. Yokogawa Electric Corporation Copyright © by Yokogawa Electric Corporation September 2007 19,286 Worldwide Yokogawa Employees Worldwide Group companies in Japan 5,114 Yokogawa Electric Corporation 5,102 Group companies outside Japan 9,070 As of the end of March 2007

5. 55 Corporation Profile Public Relations & Investor Relations Dept. Yokogawa Electric Corporation Copyright © by Yokogawa Electric Corporation September 2007 Ｃ 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 ）

6. 66 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 KoreaSingaporeChinaBrazilIndiaBahrainUSA The Netherlands 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 maintenance Data collection and analysis Escalation Technical support from responsible department

7. 77 Corporation Profile Public Relations & Investor Relations Dept. Yokogawa Electric Corporation Copyright © by Yokogawa Electric Corporation September 2007 Consolidated Sales and Operating Income ＦＹ 2000 ＦＹ 2001 ＦＹ 2002 ＦＹ 2003 ＦＹ 2004 ＦＹ 2005 ＦＹ 2006 SalesOperating Income Sales Operatig Income （ Unit: Billion yen ） Consolidated Sales and Operating Income The figures are rounded to the nearest 100 million yen.

8. 88 Corporation Profile Public Relations & Investor Relations Dept. Yokogawa Electric Corporation Copyright © by Yokogawa Electric Corporation September 2007 Business Segments: Industrial Automation and Control - 1 STARDOM Network-based Control System CENTUM CS 3000 R3 Integrated Production Control System FA-M3R Range-free Multi-controller ProSafe-RS Safety Instrumented System Production Control Systems

9. 99 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 DXAdvanced Data Acquisition and Display Station ADMAG AXF Magnetic Flowmeter PH450G pH Meter DPharp EJX D ｉ fferential Pressure Transmitter GC1000 Mark Ⅱ Process Gas Chromatograph

10. 10 Corporation Profile Public Relations & Investor Relations Dept. Yokogawa Electric Corporation Copyright © by Yokogawa Electric Corporation September 2007 Business Segments: Industrial Automation and Control - 3 ShadeQuest/DIAG Mediacl Image Information System Information System Solutions Enemap Energy Navigation System Enerize Real-time Energy Cost Management System Exaquantum Energy Information Management System ASTREA FM1000 Facility Enviroment Management System Web-based User Interface WMSS Video Surveillance System ASTREA AM1000 Facility Access Management System BACnet Area Server Surveillance Camera Image Server Security Gate Controller IC Card Reader Ethernet LonWorks Econo-Pilot Energy-saving System for Water Pump Yokogawa’s Comprehensive Solutions Facility and Energy Management Solutions Heating Ventilation and Air Conditioning Controller

11. 11 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 HS2000 Pick and Place IC Handler TS6000H + High-Speed SOC Test System ST6730 FPD Driver Test System

12. 12 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 WT3000 Precision Power Analyzer AQ6370 Optical Spectrum Analyzer VC3300 Wireless Communication Tester DL9710 Mixed Signal Scope SL1400 ScopeCorder LITE AQ7270 Optical Time Domain Reflectometer

13. 13 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 Module ｓ Optical Communications Equipment 40Gbps Optical Packet Switch Advanced Stage Large-scale Precision XY Stage Direct Drive Motors Corporation Profile Public Relations & Investor Relations Dept. Yokogawa Electric Corporation Copyright © by Yokogawa Electric Corporation April 2007 Sagamihara Office

14. 14 Corporation Profile Public Relations & Investor Relations Dept. Yokogawa Electric Corporation Copyright © by Yokogawa Electric Corporation September 2007 Aviation Equipment Flat Panel Display ｓ for Aviation Use Business Segments: New and Other Businesses - 2 Life Science Related Products CSU-X1 Cofocal Scanner Kanazawa Office

15. 15 Corporation Profile Public Relations & Investor Relations Dept. Yokogawa Electric Corporation Copyright © by Yokogawa Electric Corporation September 2007 One Global YOKOGAWA Customer Centric Solutions Leading Edge Technology Yokogawa will become a global service company that provides solutions.