Record revenue and profit in fourth quarter caps another record year in 2006 with 55% revenue growth

LIVERMORE, Calif. — January 31, 2007— FormFactor, Inc. (Nasdaq: FORM) today announced its financial results for the fourth quarter and fiscal year 2006, ended December 30, 2006. Quarterly revenues were $98.7 million, up 2% from $96.8 million in the third quarter of fiscal 2006, and up 37% from $71.8 million in the fourth quarter of fiscal 2005. Revenues for the fiscal year ended December 30, 2006 were $369.2 million, up 55% from $237.5 million in fiscal year 2005.

Net income for the fourth quarter of fiscal 2006 was $18.9 million or $0.39 per share on a fully diluted basis, which included $4.6 million or $0.09 per share of incremental FAS 123 (R) stock option expense, net of tax. This compares to $15.8 million or $0.33 per share on a fully diluted basis for the third quarter of fiscal 2006, which included $3.9 million or $0.08 per share of incremental FAS 123 (R) stock option expense, net of tax. Net income for the fourth quarter of fiscal 2005 was $10.5 million or $0.25 per share on a fully diluted basis, which was prior to the adoption of FAS 123 (R).

Net income for fiscal year 2006 was $60.8 million or $1.29 per share on a fully diluted basis, which included $13.6 million, or $0.29 per share of incremental FAS 123 (R) stock option expense, net of tax, compared to $30.2 million or $0.73 per share on a fully diluted basis for fiscal year 2005.

“We finished 2006 with another record quarter as revenue and profit reached historical highs. 2006 was an exceptional year for FormFactor, with 55% annual revenue growth, fueled by strong contributions to growth from our Memory and Logic businesses. At the same time, we expanded our product offerings in multiple markets,” said Igor Khandros, CEO of FormFactor. “We believe the market outlook for advanced probe cards remains strong as we enter 2007.”

The company has posted its revenue breakdown by region and market segment on the Investors section of its website at www.formfactor.com. FormFactor will conduct a conference call at 1:30 p.m. PST, or 4:30 p.m. EST, today. The public is invited to listen to a live web cast of FormFactor’s conference call on the Investors section of the company’s website at www.formfactor.com. An audio replay of the conference call will also be made available approximately two hours after the

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conclusion of the call. The audio replay will remain available until February 2, 2007 at 6:30 p.m. PST and can be accessed by dialing (888) 286-8010 or (617) 801-6888 and entering confirmation code 84401442.