Apr 1980 Joined Ebara Densan Ltd. Apr 2004 General Manager, Printed Circuit Chemicals Business Division, Ebara Densan Ltd. Apr 2010 Joined the Company; General Manager, DENSAN Division Aug 2010 Vice President, JCU (THAILAND) CO., LTD. Jun 2013 Executive Officer Apr 2016 Executive Officer; General Manager, Management Strategy Office Jun 2016 Director, Managing Executive Officer; General Manager, Management Strategy Office Jun 2017 Senior Managing Director, Senior Managing Executive Officer; General Manager, Management Strategy Office Feb 2018 Senior Managing Director, Senior Managing Executive Officer; General Manager, Management Strategy Office and General Manager, Administration Division Apr 2018 Representative Director, President and Chief Operating Officer Mar 2019 President, JCU Chemicals India Pvt. Ltd. (current) Apr 2021 Representative Director, President and Chief Executive Officer Jun 2024 Representative Director, Chairman and Chief Executive Officer (current)

Jan 1990 Joined the Company Apr 2010 General Manager, Osaka Branch Jun 2012 General Manager, Management Strategy Office Apr 2014 Managing Executive Officer; General Manager, Management Strategy Office Jun 2014 Director, Managing Executive Officer; General Manager, Management Strategy Office Apr 2015 Director, Managing Executive Officer; President, JCU International, Inc. Jun 2016 Managing Director, Managing Executive Officer Apr 2019 Managing Director, Managing Executive Officer; Director, Research Institute Dec 2020 Representative Director, President, JCU (THAILAND) CO., LTD. Dec 2020 Representative Director, JCU VIETNAM CORPORATION Dec 2020 President and Director, PT. JCU INDONESIA Jun 2023 Senior Managing Director, Senior Managing Executive Officer; Director, Research Institute Jun 2024 Representative Director, President and Chief Operating Officer (current)

Sep 2006 Joined the Company Jun 2009 General Manager, Accounting Department, Administration Division Apr 2014 Managing Executive Officer; General Manager, Administration Division Jun 2014 Director, Managing Executive Officer; General Manager, Administration Division Apr 2015 Director, Managing Executive Officer; Deputy General Manager, Pharmaceutical Business Division Apr 2016 Director, Managing Executive Officer; Deputy General Manager, Sales Division Jun 2016 Managing Director, Managing Executive Officer; Deputy General Manager, Sales Division Apr 2021 Managing Director, Managing Executive Officer; General Manager, Sales Division Apr 2022 Managing Director, Managing Executive Officer; Chairman and General Manager, JCU (Shenzhen) Trading Co., Ltd. Apr 2026 Managing Director, Managing Executive Officer; General Manager, Kumamoto Office (current)

Aug 1984 Joined Fuji Kiko Denshi Co., Ltd. Jun 2004 Director, General Manager, Administration Division, Fuji Kiko Denshi Co., Ltd. Jun 2008 Managing Director, General Manager, Administration Division, Fuji Kiko Denshi Co., Ltd. Jun 2009 President and Representative Director, Fuji Kiko Denshi Co., Ltd. Jun 2010 Director, Kyoden Co., Ltd. Nov 2013 Joined the Company; General Manager, Osaka Branch Jan 2015 General Manager, Taiwan JCU Co., Ltd. Apr 2016 Executive Officer Apr 2018 Executive Officer; General Manager, Administration Division Jun 2019 Director, Managing Executive Officer; General Manager, Administration Division Jun 2020 Managing Director, Managing Executive Officer; General Manager, Administration Division (current)

Nov 1997 Joined the Company Apr 2010 General Manager, Overseas Business Division Apr 2016 General Manager, Overseas Administration Division Dec 2016 General Manager, Overseas Market Development Division Apr 2017 Executive Officer; Deputy General Manager, Overseas Business Headquarters Apr 2018 Executive Officer; Deputy General Manager, Management Strategy Office Apr 2019 Executive Officer; General Manager, Management Strategy Office Jun 2021 Director, Managing Executive Officer; General Manager, Management Strategy Office (current) Apr 2022 Representative Director, President, JCU (THAILAND) CO., LTD. Apr 2022 Representative Director, JCU VIETNAM CORPORATION Apr 2022 President and Director, PT. JCU INDONESIA Apr 2023 Representative Director, President, JCU MALAYSIA SDN. BHD.

Apr 1989 Joined the Company Nov 2009 General Manager, JCU (Shanghai) Trading Co., Ltd. May 2014 General Manager, Nagoya Branch Jun 2018 General Manager, Production Division Apr 2019 Executive Officer; General Manager, Production Division Jun 2021 Director, Managing Executive Officer; General Manager, Production Division Apr 2022 Director, Managing Executive Officer; General Manager, Sales Division Apr 2022 Representative Director, JCU KOREA CORPORATION Apr 2026 Director, Managing Executive Officer; General Manager, Production Division (current)

Apr 1984 Registered as attorney-at-law; joined Takeo Ishiguro Law Office Sep 1990 Opened Ginza Shin Sogo Law Office Jan 2005 Opened Ginza Shin Meiwa Law Office Dec 2010 Public Interest Member, Central Labour Relations Commission Jan 2019 Member, Financial System Council, Financial Services Agency (current) Jun 2019 Outside Audit & Supervisory Board Member, Morinaga Milk Industry Co., Ltd. (current) Jul 2019 Member, Self-Regulation Planning Subcommittee, Self-Regulation Council, Japan Securities Dealers Association (current) Jun 2020 Outside Director, Mirait Holdings Corporation (now Mirait One Corporation) (current) Apr 2021 Member, Labour Policy Council, Ministry of Health, Labour and Welfare (current) Jun 2021 Director of the Company (current) Feb 2025 Opened ARC Law Office

Apr 1992 Research Fellow, Japan Society for the Promotion of Science Jul 1993 Researcher, University of Burgundy, France Apr 1994 Research Assistant, Faculty of Science and Technology, Tokyo University of Science (now Faculty of Creative Engineering) Apr 1998 Lecturer, Faculty of Science and Technology, Tokyo University of Science Apr 2001 Associate Professor, Faculty of Science and Technology, Tokyo University of Science Apr 2005 Professor, Faculty of Science and Technology, Tokyo University of Science (current) Nov 2006 Representative Director, President, Neurong Precision Industry Co., Ltd. (current) Jun 2021 Director of the Company (current)

Apr 1980 Joined The Dai-Ichi Kangyo Bank, Ltd. (now Mizuho Bank, Ltd.) Mar 2006 General Manager, Taipei Branch, Mizuho Corporate Bank, Ltd. (now Mizuho Bank, Ltd.) Apr 2008 Executive Officer; General Manager, Taipei Branch Apr 2009 Executive Officer; General Manager, Human Resource Management Department Apr 2010 Managing Executive Officer; in charge of Sales Apr 2011 Managing Executive Officer, Mizuho Bank, Ltd. Apr 2014 Director and Deputy President, Mizuho Research Institute Ltd. (now Mizuho Bank, Ltd., Mizuho Research Institute) Jun 2016 Full-time Corporate Auditor, Kawasaki Kisen Kaisha, Ltd. Jun 2017 Senior Managing Executive Officer, Kawasaki Kisen Kaisha, Ltd. Jun 2018 Representative Director, Senior Managing Executive Officer, Kawasaki Kisen Kaisha, Ltd. Apr 2020 Director, Kawasaki Kisen Kaisha, Ltd. Jun 2020 Special Adviser, Kawasaki Kisen Kaisha, Ltd. Jun 2021 Corporate Auditor of the Company Jun 2021 Outside Audit & Supervisory Board Member, Shindengen Electric Manufacturing Co., Ltd. (current) Jun 2024 Director of the Company (current)

Apr 1989 Joined The Fuji Bank, Ltd. (now Mizuho Bank, Ltd.) Oct 1997 Investigator, New York Branch, The Fuji Bank, Ltd. Jul 2004 Counselor, Americas Division I, Mizuho Corporate Bank, Ltd. Nov 2006 Deputy Senior Manager, Division IV, Mizuho Corporate Bank, Ltd. Apr 2008 Deputy Manager, Operations Promotion Department, Mizuho Corporate Bank, Ltd. Apr 2010 Deputy Manager, Operations Division, Mizuho Corporate Bank, Ltd. Jan 2011 Deputy General Manager, Los Angeles Branch, Mizuho Corporate Bank, Ltd. Apr 2014 Deputy General Manager, Division XI, Mizuho Bank, Ltd. Apr 2016 General Manager, Yangon Branch, Mizuho Bank, Ltd. Sep 2019 Joined the Company; General Manager, Sales Management Division Apr 2021 Executive Officer; General Manager, Sales Management Division Apr 2022 Executive Officer; General Manager, JCU (Shanghai) Trading Co., Ltd. Apr 2024 Executive Officer Jun 2024 Full-time Corporate Auditor (current)

Apr 1991 Joined Asahi Shinwa & Co. (now Azusa Audit LLC) Mar 1994 Registered as Certified Public Accountant Jul 2000 Representative, Kato Certified Public Accountant Office (current) Jan 2001 Registered as Certified Tax Accountant Jun 2019 Corporate Auditor of the Company (current)

Nov 2002 Passed the National Bar Examination Oct 2004 Registered as attorney-at-law Oct 2020 Deputy Secretary General, Japan Federation of Bar Associations May 2024 Partner Attorney, Yamabuki Law Office (current)