ATE Consumers Again Rate Teradyne as '10 BEST' Supplier in VLSI Research 2006 Customer Survey

BOSTON--(BUSINESS WIRE)--June 27, 2006--Teradyne, Inc. (NYSE: TER) was recognized for the 18th consecutive year as a '10 BEST' supplier in the annual VLSI Research Customer Satisfaction survey. Semiconductor equipment users from around the world ranked Teradyne in the 2006 '10 BEST Suppliers of Test Equipment' and as the top ranked Automatic Test Equipment (ATE) company in the overall category of 'Large Suppliers of Chip Making Equipment'. High ratings for Quality of Results, Usable Throughput, Uptime, Technical Leadership, and Product Performance propelled Teradyne's placement. Teradyne has been on the '10 BEST' list every year since the supplier awards were first introduced.

"Teradyne has always ranked very well on our '10 BEST' survey results," said G. Dan Hutcheson, Chief Executive Officer, VLSI Research. "While we saw some companies with a slight decline in ratings from the previous year, Teradyne showed significant ratings improvement in both the 'Test Equipment' and the 'Large Suppliers of Chip Making Equipment' categories. Our survey is an industry report card, and Teradyne's high marks this year reaffirm them as one of the leaders in ATE and the semiconductor industry."

“In the increasingly fast-paced semiconductor business, customers value suppliers that are responsive and flexible partners with superior products”

"In the increasingly fast-paced semiconductor business, customers value suppliers that are responsive and flexible partners with superior products," said Mark Jagiela, President, Semiconductor Test Division, Teradyne. "These high marks in the VLSI Research survey reaffirm our strategy of delivering high-efficiency test solutions combined with a dedication to helping make each of our customers successful in their business. We're very pleased with the results."

VLSI Research Inc of Santa Clara, California surveys equipment users to determine how they value their equipment and their relationships with suppliers. For the 2006 survey, statistics were drawn from responses to over 44,000 questionnaires that were sent out to companies in China, Europe, Japan, Korea, North America, Taiwan, and other areas of the world. The annual Customer Satisfaction Survey on Chip Making Equipment is the only publicly available opportunity for chip manufacturers to provide feedback on their suppliers. The '10 BEST' rankings award special recognition to the suppliers that are rated highest by end-users.

ABOUT VLSI RESEARCH INC

VLSI Research Inc is the leading provider of market research and economic analysis on the technical, business, and economic aspects of the high technology chip making industry. The company is known for its unparalleled accuracy, innovation in market research, and its sharply focused insight into the rapidly changing landscape of the chip making business. VLSI Research's databases on chip making are used throughout the industry, the investment community, and by governments for decisive strategic planning. VLSI Research was founded in 1976 and incorporated in California in 1981. The company's website is https://www.vlsiresearch.com/.

About Teradyne

Teradyne (NYSE:TER) is a leading supplier of Automatic Test Equipment used to test complex electronics used in the consumer electronics, automotive, computing, telecommunications, and aerospace and defense industries. In 2005, Teradyne had sales of $1.08 billion, and currently employs about 4,000 people worldwide. For more information, visit www.teradyne.com. Teradyne(R) is a registered trademark of Teradyne, Inc. in the US and other countries.