Notice Regarding Changes in Directors (Excluding Directors Who Are Audit and Supervisory Committee Members)

Overview of Director Changes

Dainichi Seika Kogyo Co., Ltd. resolved at the Board of Directors meeting on March 25, 2026, the changes of directors (excluding directors who are Audit and Supervisory Committee members) to be decided at the 123rd Annual General Meeting of Shareholders and Board meeting scheduled for June 26, 2026. Koji Takahashi will continue as Representative Director and President, and Masahiko Aoba, the Representative Director and Managing Executive Officer, is scheduled to be promoted to Representative Director. Osamu Takeda, Executive Managing Director, will become a director, and Takashi Nakayama, an executive officer, will be newly appointed as director. Meanwhile, Taiyo Aoyagi is scheduled to retire.

Impact on Future Structure and Corporate Strategy

New director Takashi Nakayama joined the company in January 2024 after working at Kao Corporation and Rakuten, Inc., and has been serving as an executive officer since April 2025. This new structure reflects advice and recommendations from the Nomination and Compensation Committee, aiming to balance business continuity and organizational renewal. Details of the Board of Directors and executive officer framework have been disclosed, clarifying roles for future management strategies and business promotion.