BOSTON, MASSACHUSETTS -- February 23, 2000 -- Teradyne, Inc. (NYSE:TER) announced the Spectrum™ Manufacturing Test Platform is a finalist in the Automated Test Equipment (ATE) category of Evaluation Engineering magazine's "1999 Readers' Choice Award." In the Software category Teradyne's TestStudio™/SP 99, Web-based ATE software, is a finalist. Winners, determined by the magazine's subscribers, of the nine product categories will be announced in the March issue of Evaluation Engineering.

Spectrum™ Manufacturing Test Platform

The Spectrum™ Manufacturing Test Platform is a single, common manufacturing test platform for in-circuit and functional test of printed circuit assemblies. The Spectrum™ Manufacturing Test Platform spans the entire range of board-test applications, including classic in-circuit test (ICT), in-line process test, single-stage test (ICT plus functional), high-performance digital functional test, and depot-based diagnosis and repair. Spectrum also provides a flexible platform for addressing application-specific test requirements, such as ADSL line cards and modems.

TestStudio/SP 99 a Web-Based ATE Operating Environment

TestStudio/SP 99 is the industry's first web-based open-architecture operating environment. This versatile product integrates all the tasks involved in test program set (TPS) development, debug, documentation and execution within a single operating environment. TestStudio/SP 99 is available on Teradyne's Spectrum» Manufacturing Test Platform.

About Teradyne

Teradyne is the world's leading automated testing company for the electronics, communications, and software industries. Its products and services address the test requirements of a broad range of semiconductors, electronic assemblies, telephone access networks and software applications. Teradyne supports its customers via a global service and applications engineering network, with technical centers located throughout the United States, Europe, and the Pacific Rim.

The Assembly Test Division, located in Boston and Walnut Creek, California, serves circuit-board test customers 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. Headquartered in Boston, Massachusetts, Teradyne reported sales of approximately $1.8 billion in 1999 and currently has about 7500 employees worldwide. Teradyne's World Wide Web address is http://www.teradyne.com.