Atlanta, GA and Houston, TX, April 20, 2005 - Yokogawa Corporation of America announced today that David Johnson has been named President and Chief Operating Officer of Yokogawa’s North American operations. Mr. Johnson will have responsibility for all of Yokogawa’s North American businesses. He is the first non-Japanese to hold the position.

Mr. Johnson, a 17 year Yokogawa veteran, brings extensive executive management experience in industrial / business automation. Most recently, he ran Yokogawa’s North American Industrial Automation Instrument business.

"David is a strong leader with a proven track record managing Yokogawa businesses." said Global CEO, Isao Uchida, "As Yokogawa continues to position itself as a market leader in North America, David is a welcome fit who will ensure Yokogawa’s continued success and expansion in North America. David’s vast experience with Yokogawa has given him a unique global perspective on our operations. We anticipate further rapid expansion in the U.S. under his leadership."

Mr. Johnson is succeeding Mr. Shouzo Kaihori, who has successfully served in the position for the past five years. Mr. Kaihori will return to Japan, where he will run Yokogawa’s global Industrial Automation business.