LIVERMORE, CA – March 3, 2006 – FormFactor, Inc. (NASDAQ: FORM) today announced that it intends to offer 5,000,000 shares of its common stock in a public offering. A shelf registration statement relating to the shares of common stock being offered became effective upon filing today with the Securities and Exchange Commission.

FormFactor expects to grant the underwriters in the offering an over-allotment option to purchase up to 750,000 additional shares of common stock. Goldman, Sachs & Co., sole bookrunner, and Morgan Stanley will act as the joint lead managers for the offering. Citigroup and Thomas Weisel Partners LLC will act as co-managers.

The public offering of FormFactor’s common stock will be made only by means of a prospectus. Copies of the final prospectus relating to the offering may be obtained, when available, by contacting Goldman, Sachs & Co. at 85 Broad Street, New York, NY 10004, Attention: Prospectus Department, telephone (212) 902-1000. This communication shall not constitute an offer to sell or the solicitation of an offer to buy, nor shall there be any sale of these securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.