Item 8.01. Other Events.

On March 30, 2009, Teradyne, Inc. ("Teradyne") issued a press release announcing its intention to offer, subject to market conditions and other factors, $150 million aggregate principal amount of convertible senior notes due 2014 ("Notes"). Teradyne also expects to grant the underwriters an option to purchase an additional $22.5 million aggregate principal amount of Notes, within 13 days of the initial issuance of the Notes, to cover over-allotments. A copy of the press release is attached hereto as Exhibit 99.1 and incorporated herein by reference.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits

99.1 Press Release dated March 30, 2009.

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