BOSTON--(BUSINESS WIRE)--Jan. 3, 2002--Teradyne announced today that John M. Casey has been named President of its Assembly Test Division, replacing Robert Dutkowsky who left the company.

Casey joined Teradyne's sales organization in 1977 from the printed circuit board test industry. After several years in sales management positions, he was appointed Vice President of Worldwide Sales for the Semiconductor Test Group in 1990. In 1994, he moved to the Telecommunications Division in Deerfield IL and in 1995 became the General Manager of that division. He later served as the General Manager of the company's digital integrated circuit test activities in Agoura Hills CA. Most recently, he has been the Vice President of Worldwide Field Operations for the Semiconductor Test Division.

About ATD

Teradyne's Assembly Test Division, based in Westford, Massachusetts serves electronics manufacturers with comprehensive capabilities in test and inspection. These test instruments and systems are used in commercial environments and in military/aerospace applications where reliability, time-to-market, and in-line process test are key to success. Teradyne's World Wide Web address is www.teradyne.com.

About Teradyne

Teradyne (NYSE: TER) is the world's largest supplier of automatic test equipment and is also a leading supplier of high performance interconnection products and total systems integration services. Teradyne's automatic test products are used by manufacturers of semiconductors, circuit assemblies and voice and broadband telephone networks. Teradyne's high-technology components and electronic manufacturing services are used by manufacturers of communications and computing systems central to building networking infrastructure. The company had sales of $3 billion in 2000 and currently employs about 8000 people worldwide. For more information visit www.teradyne.com.