Apr 1988 Joined Sakai Chemical Industry Co., Ltd. Jun 2014 General Manager, Management Planning Office Sep 2019 General Manager, Human Resources and General Affairs Department Jun 2020 Director, General Manager, Administration Division Jun 2021 Director and Executive Officer, General Manager, Administration Division Jun 2022 Representative Director, President and Executive Officer (current)

Apr 1987 Joined Sakai Chemical Industry Co., Ltd. Dec 2011 General Manager, Production Department, Inorganic Materials Division Oct 2014 General Manager, No. 2 Production Department, Inorganic Materials Division Jun 2015 Director, General Manager of Production Technology Division and General Manager of Sakai Plant Sep 2019 Director, General Manager of Onahama Plant Jun 2021 Executive Officer, General Manager of Onahama Plant Jun 2022 Director and Executive Officer, General Manager of Onahama Plant and Deputy General Manager of Production Technology Division Jun 2023 Director and Executive Officer, General Manager of Onahama Plant, General Manager of Daiken Plant and Deputy General Manager of Production Technology Division Oct 2023 Director and Executive Officer, General Manager of Onahama Plant and Deputy General Manager of Production Technology Division Jun 2024 Director and Executive Officer, General Manager of Onahama Plant and General Manager of Production Technology Division Jun 2026 Managing Director and Executive Officer, General Manager of Onahama Plant and General Manager of Production Technology Division (current)

Apr 1990 Joined Sakai Chemical Industry Co., Ltd. Sep 2018 General Manager, Functional Materials Department Apr 2019 Plant Manager, Matsubara Plant, Onahama Plant Jun 2022 Executive Officer, Deputy General Manager of Research and Development Division Jun 2024 Director and Executive Officer, General Manager of Research and Development Division (current)

Apr 1993 Joined Sakai Chemical Industry Co., Ltd. Sep 2016 Technical Section Chief, Daiken Plant, Electronic Materials Division Feb 2021 General Manager, Corporate Planning Department, Management Strategy Division Jun 2023 Executive Officer, Deputy General Manager of Management Strategy Division and General Manager of Corporate Planning Department Jun 2026 Director and Executive Officer, General Manager of Management Strategy Division and General Manager of Corporate Planning Department (scheduled)

Apr 1983 Joined Ajinomoto Co., Inc. Apr 2005 Vice President, Ajinomoto U.S.A., Inc. Aug 2006 Deputy General Manager, Kawasaki Plant, Ajinomoto Co., Inc. Oct 2008 General Manager, Production Control Center, Ajinomoto Co., Inc. Jul 2013 Executive Officer, General Manager of Kawasaki Site and Kawasaki Plant, Ajinomoto Co., Inc. Jul 2017 Representative Director and President, Knorr Foods Co., Ltd. Apr 2019 Senior Managing Director, Ajinomoto Foods Co., Ltd. Jul 2020 Advisor, Ajinomoto Co., Inc. Jun 2021 Director, Sakai Chemical Industry Co., Ltd. (current) Mar 2023 Outside Director, Kanro Inc. (current)

Apr 1985 Joined Nomura Securities Co., Ltd. Sep 2001 Senior Director, Consulting Group, Thomson Financial, USA Aug 2007 Executive Manager, IB Consulting Department, Nomura Securities Co., Ltd. Apr 2010 Assistant Professor, Graduate School of Business Administration, Osaka City University (now Osaka Metropolitan University) Oct 2010 Associate Professor, Graduate School of Business Administration, Osaka City University Apr 2014 Professor, Graduate School of Business Administration, Osaka City University Mar 2015 Visiting Scholar, University of Washington Jun 2015 Outside Director, Sugimura Warehouse Co., Ltd. Apr 2020 Visiting Scholar, Graduate School of Business Administration, Hitotsubashi University Jun 2022 Outside Director, Audit and Supervisory Committee Member, Sugimura Warehouse Co., Ltd. (current) Jun 2024 Director, Sakai Chemical Industry Co., Ltd. (current) Apr 2025 Visiting Professor, Faculty of Global Business, Showa Women's University (current)

Apr 1982 Joined Matsushita Electric Industrial Co., Ltd. (now Panasonic Holdings Corporation) Apr 2005 General Manager, Panasonic Center Osaka, Matsushita Electric Industrial Co., Ltd. Apr 2008 Director, Matsushita Electric Industrial Co., Ltd. Oct 2009 Person Responsible for Implementation, Panasonic Lisure Vietnam Construction, Matsushita Electric Industrial Co., Ltd. Oct 2011 Person Responsible for Implementation, Osaka North Yard Base Construction Project, Matsushita Electric Industrial Co., Ltd. Apr 2014 General Manager, Panasonic Center Tokyo, Matsushita Electric Industrial Co., Ltd. Oct 2017 Member, Culture and Olympic Legacy Committee, International Olympic Committee Feb 2019 Head, Japan Olympic Museum, Japan Olympic Committee (public interest foundation) Oct 2021 Brand Communication Division, Panasonic Corporation Jan 2022 Deputy General Manager, Management Department, Comsys Co., Ltd. (now Marble Co., Ltd.) Jun 2024 Outside Director, Imasen Electric Industrial Co., Ltd. (current) Jun 2025 Director, Sakai Chemical Industry Co., Ltd. (current)

Apr 1986 Joined Sharp Corporation Jun 2006 General Manager, Accounting Department, Administration Division, Sharp Electronics (Europe) GmbH Apr 2008 Director, Administration Control, Sharp Electronics France S.A. Apr 2013 General Manager, Administration Department, European Consumer Electronics Sales Subsidiary, Sharp Electronics (Europe) Ltd. Jan 2015 General Manager, Administration Department, Accounting and Finance Division, Sharp Electronics (Europe) Ltd. Oct 2015 Head, European Internal Audit Office, Sharp Electronics (Europe) Ltd. Feb 2017 General Manager, Overseas Audit Group, Audit Department, Sharp Corporation Jun 2024 Full-time Corporate Auditor, Sakai Chemical Industry Co., Ltd. (current)

Apr 1988 Joined Sakai Chemical Industry Co., Ltd. Jun 2014 General Manager, Business Management Department, Kaigen Pharma Co., Ltd. Apr 2015 General Manager, General Affairs and Administration Department, Kaigen Pharma Co., Ltd. Jun 2017 Director, General Manager, General Affairs and Administration Department, Kaigen Pharma Co., Ltd. Oct 2018 Director, General Manager, General Affairs Department, Kaigen Pharma Co., Ltd. Jun 2020 Director, Deputy General Manager of Management Strategy Division, General Manager of Accounting Department and General Manager of Compliance and Risk Management Promotion Department, Sakai Chemical Industry Co., Ltd. Jun 2021 Director and Executive Officer, Deputy General Manager of Management Strategy Division and General Manager of Accounting Department Jun 2023 Director and Executive Officer, General Manager of Management Strategy Division and General Manager of Accounting Department Apr 2026 Director and Executive Officer, General Manager of Management Strategy Division, General Manager of Accounting Department and General Manager of Information Systems Department Jun 2026 Full-time Corporate Auditor (scheduled)

Oct 1996 Joined Asahi Audit Corporation (now Azusa Audit LLC) Apr 2000 Registered as Certified Public Accountant May 2011 Partner, Asahi Audit Corporation Jul 2023 Partner, Minori Audit Corporation (current) Jun 2024 Corporate Auditor, Sakai Chemical Industry Co., Ltd. (current)

Apr 1985 Joined Nippon Kayaku Co., Ltd. Jun 2015 General Manager, Development Management Department, Development Division, Pharmaceutical Business Headquarters, Nippon Kayaku Co., Ltd. Jun 2020 General Manager, Regional Management Department, Group Management Headquarters, Nippon Kayaku Co., Ltd. Jun 2021 Full-time Corporate Auditor, Nippon Kayaku Co., Ltd. Jun 2023 Standing Corporate Auditor, Nippon Kayaku Co., Ltd. Jun 2025 Advisor, Nippon Kayaku Co., Ltd. (current) Jun 2026 Director, Sakai Chemical Industry Co., Ltd. (scheduled)