Record quarterly revenues of $71.8 million, up 56% year over year Quarterly bookings up 102% year over year; 2005 Net income sets a record.

LIVERMORE, CA — February 1, 2006 — FormFactor, Inc. (Nasdaq: FORM) today announced its financial results for the fourth quarter of fiscal year 2005 and for fiscal year ended December 31, 2005. Quarterly revenues were a record $71.8 million, up 15% from $62.4 million in the third quarter of fiscal year 2005, and up 56% from $46.1 million for the fourth quarter of fiscal year 2004. Revenues for fiscal 2005 were $237.5 million, up 34% from $177.8 million in fiscal year 2004.

Joseph Bronson, President of FormFactor stated, “We are pleased with the Company’s results this quarter, as we made substantial progress ramping production at our new, industry-leading MEMS facility. Our ability to execute during a time of rapid growth enabled us to exceed our revenue and profit targets.”

Operating income for the fourth quarter of fiscal year 2005 was 19.3% of revenues, compared to 13.7% for the third quarter of fiscal year 2005, and 11.3% in the fourth quarter of fiscal year 2004. These percentages reflect incurred start-up costs related to our new manufacturing facility of $0.8 million in the fourth quarter of fiscal year 2005, $2.3 million in the third quarter of fiscal year 2005, and $2.9 million in the fourth quarter of fiscal year 2004, as the Company ramped its new factory.

Net income for the fourth quarter of fiscal year 2005 was $10.5 million or $0.25 per share on a fully diluted basis, compared to $9.8 million or $0.23 per share on a fully diluted basis for the third quarter of fiscal year 2005, and $5.8 million or $0.14 per share on a fully diluted basis for the fourth quarter of fiscal year 2004.

Net income for fiscal year 2005 was $30.2 million or $0.73 per share on a fully diluted basis, compared to $25.2 million or $0.63 per share on a fully diluted basis for fiscal year 2004.

Bookings of $82.2 million for the fourth quarter of fiscal year 2005 also set a company record, with an increase of 31% from $62.9 million for the third quarter of fiscal year 2005 and an increase of 102% from $40.7 million for the fourth quarter of fiscal year 2004.

“Demand for the Company’s leading-edge advanced technology products continued strong throughout the year, outpacing industry growth projections. We grew 34% in 2005, matching our compound annual growth rate for the last four years. New applications utilizing new chip designs accelerate the need for our industry leading products, which reduce costs on our customers’ test floors”, said CEO Igor Khandros.

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 Investor section of the Company’s website at www.formfactor.com. A replay of the web cast will be available approximately two hours after the conclusion of the call. An audio replay of the conference call will also be made available approximately two hours after the conclusion of the call. The audio replay will remain available until February 3, 2006 at 9:30 p.m. PST and can be accessed by dialing (888) 286-8010 or (617) 801-6888 and entering confirmation code 44474389.