NORTH READING, MA -- February 18, 2002 -- Teradyne's [NYSE: TER] Assembly Test Division (ATD) today announced the attainment of a major product milestone in the 100th customer shipment of a Spectrum™ 9000-Series test system. Representatives from the Oklahoma Air Logistics Center at Tinker Air Force Base, in Oklahoma attended an event at Teradyne's North Reading, Massachusetts facility to commemorate the delivery of the 100th Spectrum 9000-Series test system which will be deployed in support of intermediate level maintenance for the B-1B Lancer Strategic Bomber.

Teradyne has a long-standing relationship with the B-1B program, providing test equipment, software and support to Tinker AFB. The delivery of the latest Spectrum 9000-Series test system to Tinker AFB marks an expansion of Teradyne's continuing commitment to this important program.

"Since the introduction of the Spectrum 9000-Series in late 1998, there has been an evolution of the product that includes the development of many new and exciting technologies. Today's Spectrum 9100 Functional Test Platform represents best-in-class technology and is the cornerstone of the solutions we offer our customers," said Carl Rosenblatt, manager of ATD's Mil/Aero business unit.

About the Spectrum 9000-Series

Teradyne provides fully integrated functional test solutions based on the commercial-off-the-shelf (COTS) Spectrum-9000 Series Platform. Its modular design and open architecture enables the Spectrum-9000 Series to be tailored to meet the most demanding function test applications of our military/aerospace customers. The Spectrum-9000 Series is deployed in a wide range of applications including factory functional test, intermediate level maintenance, and depot level maintenance with defense contractors and military logistics agencies throughout the world.

The Spectrum 9000-Series has also been selected by the United States armed forces to support a number of important defense programs. These include the Minuteman ICBM program, the Boeing Sikorsky Comanche program and the Patriot, Hawk, Maverick, and Tomahawk missile programs.

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 systems. Teradyne's test products are used by manufacturers of semiconductors, circuit assemblies, voice and broadband telephone networks. Teradyne's backplane assemblies and high-density connectors are used by manufacturers of communications and computing systems central to building networking infrastructure. The company had sales of $1.4 billion in 2001 and currently employs about 8000 people worldwide. For more information visit www.teradyne.com.

For more information contact:
Mark Stygles mark.stygles@teradyne.com
Marketing Communications - North America
Westford, MA USA 01886-0033
USA: 978-589-7425

Renate Fritz renate.fritz@teradyne.com
Marketing Communications Manager - Europe & Asia
Ismaning, Germany
Germany: 49 89 962 85 303