EXHIBIT 99.01 News Release Investor Contact: Stan Finkelstein Investor Relations (925) 290-4321 ir@formfactor.com FORMFACTOR, INC. REPORTS 2024 FIRST QUARTER RESULTS Reports Q1 Revenue Near the Top-End of the Outlook Range, Sees Significant Step-Up in Demand in Q2’24 LIVERMORE, Calif. — May 1, 2024 —FormFactor, Inc. (Nasdaq: FORM) today announced its financial results for the first quarter of fiscal 2024 ended March 30, 2024. Quarterly revenues were $168.7 million, an increase of 0.3% compared to $168.2 mil ...