Thai Energy Storage Technology Public Company Limited announced the acknowledged the resignation of four directors, namely as follow: Mr. Misao Nakagawa, Chairman of the Board; Mr. Hiroaki Yamaguchi Vice Chairman of the Board /Chief Executive Officer; Mr. Toshinori Osumi, Director; Mr. Masamichi Saito, Director. Effective from November 30, 2021 onward. and approved the appointment of Mr. Masato Yoshida, Director as the Chairman of the Board of Directors. Mr. Akihiko Emori, Director as the Vice Chairman of the Board of Directors/Chief Executive Officer. Effective from December 1, 2021 onward.