Onto Innovation Inc. announced that Jeffrey A. Aukerman and Vita A. Cassese did not stand for re-election to the company Board of Directors at the Company’s Annual Meeting of Stockholders on May 11, 2021 as a result of the Board’s determination to reduce the number of members of the Board from 9 directors to 7 directors. At the time of their departure, Mr. Aukerman and Ms. Cassese did not have any disagreement with the Company on any matters relating to the Company’s operations, policies or practices. The Company thanks Mr. Aukerman and Ms. Cassese for their years of outstanding and dedicated service as directors.