Quarterly Revenues of $31.5 million, up 21% sequentially and up 42% year over year

LIVERMORE, CA — January 20, 2004 — FormFactor, Inc. (NASDAQ: FORM) today announced its financial results for the fourth quarter of fiscal year 2003, ended December 27, 2003, and for fiscal year 2003. Quarterly revenues were $31.5 million, up 21% from $26.1 million in the third quarter of fiscal year 2003, and up 42% from $22.2 million for the fourth quarter of fiscal year 2002.

Revenues for the fiscal year 2003 were $98.3 million, up 25% from $78.7 million in the fiscal year 2002.

Operating income for the fourth quarter of fiscal year 2003 was 18.5% of revenues, up from 13.5% for the third quarter of fiscal year 2003, and up from 11.0% for the fourth quarter of fiscal year 2002.

Net income for the fourth quarter of fiscal year 2003 was $4.1 million or $0.10 per share on a pro forma fully diluted basis, compared to $2.5 million or $0.07 per share on a pro forma fully diluted basis for the third quarter of fiscal year 2003, and $1.6 million or $0.04 per share pro forma for the fourth quarter of fiscal year 2002.

Net income for the fiscal year 2003 was $8.6 million or $0.22 per share on a pro forma fully diluted basis, compared to $10.4 million or $0.27 per share pro forma for the fiscal year 2002, which included a one time benefit for the release of the Company’s deferred tax asset valuation allowance of $5.9 million or $0.16 per share on a pro forma basis.

Pro forma earnings per share have been adjusted for the three months ended December 27, 2003,September 27, 2003 and December 28, 2002, and for the fiscal years ended December 27, 2003 and December 28, 2002, assuming the Company’s initial public offering and subsequent follow-on offering had occurred at the beginning of fiscal year 2002. The pro forma earnings per share reflect the conversion of all redeemable convertible preferred stock to common stock, and the issuance of the common shares issued in the Company’s initial public offering and follow-on offering. The Company believes the pro forma earnings per share presentation represents a meaningful alternative basis for the comparison of its current results to results during fiscal periods occurring prior to the Company’s initial public offering.

On a GAAP fully diluted basis, net income for the fourth quarter of fiscal year 2003 was $0.10 per share, $0.07 per share for the third quarter of fiscal year 2003 and $0.05 per share for the fourth quarter of fiscal year 2002. Also on a GAAP fully diluted basis, net income for the fiscal year 2003 was $0.25 per share, compared to $0.35 per share for the fiscal year 2002.

Bookings of $37.3 million for the fourth quarter of fiscal year 2003 increased 28% from $29.1 million for the third quarter of fiscal year 2003 and were up 57% from $23.8 million for the fourth quarter of fiscal year 2002.

Igor Khandros, President and CEO of FormFactor stated, “During the fourth quarter we witnessed further momentum building in our business driven by our DRAM customers. The key technology transitions in the DRAM industry have gained significant momentum, particularly in the ramp of 110 nanometer based designs and increased 300mm capacity. We experienced a notable increase in demand for low power DRAM wafer test probe cards as we continue to supply the highest volume production parallelism in the industry enabling higher yields and lower overall cost of test.”

The Company will conduct a conference call at 1:30 p.m. PDT, or 4:30 p.m. EDT, today. The public is invited to listen to a live web cast of FormFactor’s conference call on the investor relations 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 January 24, 2004 at 10:00 p.m. PDT and can be accessed by dialing (888) 203-1112 or (719) 457-0820 and entering confirmation code 123050.