Second Quarter Results to be Announced on July 20

Livermore, CA — July 12, 2004 — FormFactor, Inc. (Nasdaq: FORM) will report financial results for its second quarter ended June 26, 2004, on Tuesday, July 20, 2004 at 1:30 p.m. PDT. 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. 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 July 24, 2004 at 9:00 p.m. PDT and can be accessed by dialing (888) 203-1112 or (719) 457-0820 and entering confirmation code 754133.