Lasertec Corporation announced that it has resolved at the board of directors meeting held on April 30, 2024 to make changes in its representative directors and executive officers as follows (as of July 1, 2024): Osamu Okabayashi: Previous position: Representative Director, President & Chief Executive Officer; New position: Representative Director, Chairman & Executive Officer. Tetsuya Sendoda: Previous position: Director, Vice President & Executive Officer concurrently, Chief Sales Officer; New position: Representative Director and President, concurrently, Chief Sales Officer. Haruhiko Kusunose: Previous position: Director, Chairman & Executive Officer; New position: Director,Vice Chairman & Executive Officer.

Atsushi Tajima: Previous position: Director, Executive Officer, and Chief Technology Officer; New position: Director, Managing Executive Officer, and Chief Technology Officer. Resume of New Representative Director: Tetsuya Sendoda (April 26, 1977); Career Summary: Jan. 2008, Joined Lasertec Corporation; June 2020, General Manager, Technology Department 2; July 2022, Sales Officer; General Manager, Technology Department 2; and General Manager, Solution Sales Department 1; Sept.

2022 Executive Officer; Sales Officer; General Manager, Technology Department 2; and General Manager, Solution Sales Department 1; April 2023 Executive Officer; Sales Officer; and General Manager, Solution Sales Department 1; Sept. 2023 Director, Vice President & Executive Officer (current); and Chief Sales Officer (current).