Teradyne to Announce Fourth Quarter, Fiscal Year 2005 Results

BOSTON--(BUSINESS WIRE)--Jan. 3, 2006--Teradyne, Inc. (NYSE:TER) will release results for the Fourth Quarter and Fiscal Year 2005 on Tuesday, January 17, 2006 following the close of markets, at 6:30 p.m. Eastern Standard Time (EST) or later.

A conference call to discuss Fourth Quarter and Fiscal Year 2005 results, along with management's outlook, will follow at 10:00 a.m. EST, Wednesday, January 18, 2006. The call will be broadcast simultaneously over the Internet. Interested investors should access the webcast at www.teradyne.com and click on "Investors" at least five minutes before the call begins.

A replay will be available approximately two hours after the completion of the call. The replay number in the U.S. & Canada is 1-800-642-1687. The replay number outside the U.S. & Canada is 1-706-645-9291. The pass code is 3787254. A replay will also be available on the Teradyne website www.teradyne.com. Click on "Investors" for a link to the replay. The replay will be available via phone and website through February 1, 2006.

About Teradyne, Inc.

Teradyne (NYSE:TER) is a leading supplier of Automatic Test Equipment used to test complex electronics used in the automotive, computing, telecommunications, aerospace and defense, and consumer electronics industries. In 2004, Teradyne had sales of $1.8 billion, and currently employs about 4,100 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.