Taiyo Holdings Co., Ltd. announced that at the board of directors meeting held on June 15, 2024, it has determined chairman of the board of directors as follows. Chairman of the Board of Directors: Keiko Tsuchiya; Date of appointment: June 15, 2024. Career history of the Chairman: Date of birth: May 13, 1960.

Career history: Apr.1981, Joined DENTSU INC.; Apr. 1989 Joined Ferag Japan Co., Ltd. Apr. 1991 Joined Australian Trade Commission, Tokyo; Jan.

1994 HR Planning & Organizational Effectiveness Director of Becton Dickinson Co., Ltd.; July 2004 Chief Researcher & Producer of Human Value Inc.; Oct. 2005 Executive Officer and General Manager, Human Resources for Pacific Region of GE Toshiba Silicones Co., Ltd. (Currently Momentive Performance Materials Japan LLC); Jan. 2009 Senior HR Manager of Cisco Systems LLC; Feb.

2011 Vice President, Human Resources of Johnson & Johnson Medical Company; Aug. 2015 CHRO of Adecco Ltd., Japan; Jan. 2016 General Manager of People Value of Adecco Ltd., Japan; June 2017 Outside Board Director of Taiyo Holdings (Present post); June 2019 Director of Teachers Initiative (Present post); June 2020 Outside Director of Nippon Light Metal Holdings Company, Ltd. (Present post); Apr.

2024 Advisor of ToBeings Co., Ltd. (Present post).