Teradyne, Inc. Acquires Enabling Technology

NORTH READING, Mass.--(BUSINESS WIRE)--Teradyne, Inc., (NYSE: TER) today announced the signing of a definitive agreement with MOSAID Technologies, Inc. of Ottawa, Canada to acquire enabling test technology. The transaction is expected to close in March, 2007 and Teradyne expects to immediately expense a substantial portion of the $17 million (US) purchase price to in-process research and development. A small number of MOSAID employees are also expected to join Teradyne when the transaction is complete.

About Teradyne, Inc.

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 2006, Teradyne had sales of $1.38 billion, and currently employs about 3,800 people worldwide. For more information, visit www.teradyne.com. Teradyne (R) is a registered trademark of Teradyne, Inc. in the U.S. and other countries. All product names are trademarks of Teradyne, Inc. (including its subsidiaries) or their respective owners.

Safe Harbor Statement

The forward-looking statements included in this release are made only as of the date of publication and Teradyne undertakes no obligation to update the information set forth in this release.

This release contains forward-looking statements regarding the expected completion and expenses of the acquisition. Such statements are based on the current assumptions and expectations of Teradyne’s management and are neither promises nor guarantees. You can generally identify these forward-looking statements based on the context of the statements and by the fact that they use words such as “will,” “anticipate,” “expect,” “project,” “intend,” “plan,” “believe,” “target,” and other words and terms of similar meaning. Our actual performance may differ from those expressed or implied by the forward-looking statements. Important factors that could cause actual results to differ materially from those contained herein include: our ability to complete the acquisition, the final allocation of the purchase price, any litigation resulting from the acquisition of the technology, our ability to successfully and timely integrate acquired technologies and personnel with existing operations, as well as, other events, factors and risks previously and from time to time disclosed in our filings with the Securities and Exchange Commission, including, but not limited to, our annual report on Form 10-K for the fiscal year ended December 31, 2005 and our periodic reports on Forms 10-Q and 8-K.