Patent Court ruling clears path for FormFactor’s infringement claim and injunctive relief against Phicom Corporation

LIVERMORE, Calif. – June 15, 2006 – FormFactor, Inc. (Nasdaq: FORM) announced the Korean Patent Court issued an oral ruling upholding the validity of the company’s Korean Patent No. 252,457. Following normal practice, the bases for the ruling was not given in detail and a written opinion explaining the ruling would typically be expected in one to three weeks.

“The Korean Patent Court decision recognizing the validity of our patent is an important milestone in our efforts to protect our innovations,” said Stuart Merkadeau, FormFactor’s senior vice president, general counsel. “FormFactor is committed to aggressively pursuing companies that misappropriate our valuable intellectual property rights, and we will continue to move forward with our infringement actions against Phicom Corporation.”

FormFactor has attained its leadership position in the growing wafer test market through a commitment to innovation and a sizeable R&D investment. The company has generated key intellectual property in wafer test technologies, including micro-electro mechanical systems (MEMS)-based wafer probe cards, such as its Korean Patent 252,457.

In addition to FormFactor’s commitment to its intellectual property and proprietary technologies, the company’s advanced manufacturing, which leads the industry in its capability-level and capacity, make FormFactor a mission critical supplier to the semiconductor industry worldwide, including Korea. “Semiconductor manufacturers rely on FormFactor’s leading wafer test solutions to reduce their overall cost of test and meet their technical roadmaps. FormFactor satisfies the critical needs of our customers through sustained innovation,” added Igor Khandros, chief executive officer of FormFactor. “While we believe this latest Patent Court ruling will have no immediate business impact, the decision does provide evidence of the strength of our global patent portfolio and is an important event in our effort to protect our investment in innovation.”