Livermore, CA — January 24, 2006 — FormFactor, Inc. (Nasdaq: FORM) will report financial results for its fourth fiscal quarter ended December 31, 2005, on Wednesday, February 1, 2006, at 1:30 p.m. PST. The public is invited to listen to a live webcast of FormFactor’s conference call on the Investors’ section of the Company’s website at www.formfactor.com. A replay of the webcast and an audio replay of the conference call will be available approximately two hours after the conclusion of the call. The audio replay will be available through February 3, 2006, at 9:30 p.m. PST and can be accessed by dialing 888-286-8010 (domestic) or 617-801-6888 (international) and entering confirmation code 44474389.