Apr 1985 Joined Toyo Soda Manufacturing Co., Ltd. (now Tosoh Corporation) Jun 2010 Head of Legal Affairs Office, Legal and Patent Department, Tosoh Corporation Jun 2019 Executive Officer, General Manager, Olefins Business Division, Tosoh Corporation Jun 2020 Executive Officer, General Manager, Olefins Business Division and General Manager, Sales Department, Tosoh Corporation Oct 2020 Executive Officer, General Manager, Olefins Business Division, Tosoh Corporation Jun 2023 Senior Executive Officer, General Manager, Petrochemicals Sector and General Manager, Olefins Business Division, Tosoh Corporation Jun 2024 Representative Director, President and Executive Officer, the Company (current)

Apr 1985 Joined the Company Jun 2005 Kushiro Sales Office Manager, Sapporo Office Jun 2006 Medical Sales Department Apr 2009 Gas Sales Section Manager, Sendai Office Apr 2012 Energy Section Manager, Sendai Office Jun 2014 Seconded to Asahi Sangyo Co., Ltd. as Managing Director Jun 2016 Seconded to Asahi Sangyo Co., Ltd. as Representative Director, President Jun 2019 Seconded to Toho Iwate Co., Ltd. as Representative Director, President Jun 2020 Executive Officer; seconded to Toho Iwate Co., Ltd. as Representative Director, President Jun 2021 Representative Director, President, Toho Iwate Co., Ltd. Jun 2022 Senior Executive Officer, General Manager of Sales Division, the Company Jun 2023 Director, Senior Executive Officer, General Manager of Sales Division, the Company Jun 2024 Representative Director, Managing Executive Officer, General Manager of Sales Division, the Company Jun 2025 Representative Director, Managing Executive Officer, General Manager of Sales Division and General Manager of Tokyo Branch and Osaka Branch, the Company (current) Jun 2026 Representative Director, Senior Managing Executive Officer, General Manager of Sales Division, General Manager of Tokyo Branch and Osaka Branch, and General Manager of Medical Sales Department, the Company

Apr 1987 Joined Toyo Soda Manufacturing Co., Ltd. (now Tosoh Corporation) Jun 2016 General Manager, Sales Department, Olefins Business Division, Tosoh Corporation Jun 2017 Seconded to Tosoh (Shanghai) Trading Co., Ltd. Jul 2018 Seconded to Tosoh (Shanghai) Trading Co., Ltd. and Tosoh (China) Investment Co., Ltd. Aug 2022 General Manager, Polyethylene Department, Polymer Business Division, Tosoh Corporation; seconded to Ace Pack Corporation May 2024 Executive Officer, General Manager, Polyethylene Department, Polymer Business Division, Tosoh Corporation Jun 2024 Director, Managing Executive Officer, General Manager of Administration Division, General Manager of IT Strategy and Internal Control Department, Chairperson of Internal Control Committee and General Manager of Tokyo Branch, the Company Jun 2025 Director, Managing Executive Officer, General Manager of Administration Division and Chairperson of Internal Control Committee, the Company Apr 2026 Director, Managing Executive Officer, General Manager of Administration Division, General Manager of IT Strategy and Internal Control Department and Chairperson of Internal Control Committee, the Company (current)

Apr 1977 Joined Onoda Cement Co., Ltd. (now Taiheiyo Cement Corporation) Apr 2006 General Manager, Accounting Department, Taiheiyo Cement Corporation May 2009 General Manager, Kansai Branch, Taiheiyo Cement Corporation Apr 2011 Executive Officer, General Manager, Tokyo Branch, Taiheiyo Cement Corporation Mar 2013 Executive Officer, Taiheiyo Cement Corporation; Chairman, Ssangyong Cement Industrial Co., Ltd. Sep 2016 Vice President and Director, T-Sheet Trading Co., Ltd. Jun 2017 President and Representative Director, T-Sheet Trading Co., Ltd. Jun 2020 Chairman, T-Sheet Trading Co., Ltd. Jun 2021 Senior Advisor, T-Sheet Trading Co., Ltd.; Director, the Company (current)

Apr 1986 Joined Toyo Soda Manufacturing Co., Ltd. (now Tosoh Corporation) Jun 1986 Labor Section, General Affairs Department, Nanyo Plant, Tosoh Corporation Oct 1987 Labor Policy Section, Labor Relations Department, Human Resources Division, Tosoh Corporation Oct 1990 Labor Policy Section, Labor Relations Department, Tosoh Corporation Jun 1993 Sales Section 1, Sales Department, Olefins Business Division, Tosoh Corporation Jun 1999 Sales Department, Olefins Business Division, Tosoh Corporation Jan 2000 Seconded to Toyo Port Transport Co., Ltd. (now Tosoh Logistics Corporation) Dec 2001 Seconded to Ronseal Kogyo Co., Ltd. Apr 2008 Seconded to Tosoh Logistics Corporation Jun 2014 Logistics Group Leader, Purchasing and Logistics Department, Tosoh Corporation Jun 2019 Head of Legal Affairs Office, Legal and Patent Department, Tosoh Corporation May 2023 Executive Officer, Head of Legal Affairs Office, Legal and Patent Department, Tosoh Corporation Jun 2023 Full-time Audit & Supervisory Board Member, the Company (current)

Apr 1982 Joined Hitachi, Ltd. Aug 2001 General Manager, Vehicle Systems Design Department, Kasado Transportation Systems Division, Transportation Systems Business Unit, Power & Electric Systems Group, Hitachi, Ltd. Apr 2005 Division Head (Class 395 Project Manager), Kasado Transportation Systems Division, Transportation Systems Business Unit, Electric Systems Group, Hitachi, Ltd. Oct 2005 Division Head, Vehicle Systems Division, Transportation Systems Business Unit, Electric Systems Group, Hitachi, Ltd. Apr 2008 General Manager, Kasado Transportation Systems Division, Transportation Systems Business Unit, Electric Systems Group, Hitachi, Ltd. Oct 2009 Deputy General Manager, IEP Promotion Division, Social & Industrial Infrastructure Systems Company, Hitachi, Ltd. Nov 2009 Deputy General Manager, IEP Promotion Division, Social & Industrial Infrastructure Systems Company, Hitachi, Ltd. (seconded to Hitachi Rail Europe Ltd.) Apr 2011 General Manager, Kasado Plant, Transportation Systems Company, Hitachi, Ltd. Apr 2013 Executive Officer, General Manager, Kasado Plant, Transportation Systems Company, Hitachi, Ltd. Apr 2014 Executive Officer, President, Transportation Systems Company, Hitachi, Ltd. Apr 2016 Executive Vice President, COO, Railway Business Unit, Hitachi, Ltd. Apr 2018 Executive Vice President, in charge of Manufacturing and Quality Assurance, Hitachi, Ltd. Apr 2020 Executive Vice President, Manufacturing and Quality Assurance Officer, Deputy General Manager, Safety Management Promotion Division, Hitachi, Ltd. Apr 2021 Executive Vice President, Manufacturing and Quality Assurance Officer, Deputy General Manager, Safety and Health Management Promotion Division, Hitachi, Ltd. Apr 2022 Executive Vice President, Manufacturing and Quality Assurance Officer, Head of Environmental Internal Initiatives Division, Global Environment Division, Hitachi, Ltd. Apr 2023 Executive Advisor for Manufacturing, Quality Assurance, Environment, Internal and Railway, Hitachi, Ltd. Jun 2023 Director, the Company (current) Jun 2024 Director, Hitachi Rail Ltd. (current) Jun 2025 President, Monotsukuri Institute of Technology (current) Apr 2026 Advisor, Hitachi, Ltd. (current)

Apr 1981 Joined Pioneer International Co., Ltd. Apr 1987 Head of Human Resources Development Office, Pioneer International Co., Ltd. Jan 1989 Personnel Department, Pioneer Corporation Feb 1989 Managing Director, Career Network Co., Ltd. (seconded from Pioneer Corporation) Jun 2000 President and Representative Director, Career Network Co., Ltd. Feb 2001 Expert Member, Gender Equality Bureau, Cabinet Office Dec 2002 Chairperson and Representative Director, Career Network Co., Ltd. Mar 2004 Member, Advisory Council for Comprehensive Evaluation, National Institute for Labour Policy and Training (current) Apr 2004 Expert Member, Central Council for Education, Ministry of Education, Culture, Sports, Science and Technology Oct 2012 Member, Kanagawa Prefectural Board of Education Apr 2013 Representative Director, Careen Co., Ltd. (current) Jun 2015 Councilor, Japan Productivity Center (current) Jan 2025 Member, Yokohama City Personnel Commission (current) Jun 2025 Director, the Company (current)

Apr 1996 Joined Tosoh Corporation Jul 1996 Zeolite Department, Fine Chemicals Division, Tosoh Corporation Jun 2000 Zeolite Department, Functional Materials Division, Tosoh Corporation Jun 2005 Functional Inorganic Materials Department, Functional Materials Division, Tosoh Corporation Mar 2006 Battery Materials Department, Functional Materials Division, Tosoh Corporation Jun 2010 Battery Materials Department, High-Performance Materials Division, Tosoh Corporation Apr 2013 Seconded to Tosoh Europe B.V. Jun 2017 Planning and Management Office, Chemicals Division, Tosoh Corporation Apr 2023 Business Planning and Consolidated Management Department, Tosoh Corporation (current) Jun 2026 Director, the Company

Apr 1988 Joined Sumitomo Trust & Banking Co., Ltd. (now Sumitomo Mitsui Trust Bank, Limited) Feb 2003 Senior Officer and Team Leader, Corporate Sales Team 2, Fukuoka Branch, Sumitomo Trust & Banking Co., Ltd. Jun 2007 Deputy General Manager, Tokyo Central Sales Department 2, Sumitomo Trust & Banking Co., Ltd. Jun 2009 Deputy General Manager, Tokyo Sales Department 8, Sumitomo Trust & Banking Co., Ltd. Apr 2010 Deputy General Manager, Asset Finance Department, Sumitomo Trust & Banking Co., Ltd. May 2012 Seconded to Sumitomo Mitsui Trust Capital Co., Ltd. as Managing Director Oct 2014 General Manager, Head Office Sales Department 10, Sumitomo Trust & Banking Co., Ltd. Apr 2017 General Manager, Kanazawa Branch, Sumitomo Trust & Banking Co., Ltd. Oct 2017 Executive Officer, General Manager, Kanazawa Branch, Sumitomo Trust & Banking Co., Ltd. Apr 2020 Executive Officer, General Manager, Credit Examination Department 3, Sumitomo Trust & Banking Co., Ltd. Apr 2021 Special Executive Officer, Head of Corporate Planning Department, Sumitomo Trust & Banking Co., Ltd. Jun 2023 Full-time Audit & Supervisory Board Member, the Company (current)

Apr 1984 Joined Fuji Bank, Ltd. (now Mizuho Bank, Ltd.), Setagaya Branch Jan 2006 Deputy General Manager, Comprehensive Risk Management Department, Mizuho Bank, Ltd. Apr 2008 Chief Auditor, Business Audit Department, Mizuho Bank, Ltd. Nov 2012 Joined Financial Services Agency; Special Inspector, Foreign Securities Monitoring Office, Supervisory Bureau (final post) Mar 2021 Retired from Financial Services Agency Jul 2021 Audit & Supervisory Board Member (part-time), Seiko Solutions Inc. (current) Jun 2023 Audit & Supervisory Board Member, the Company (current)

Apr 1975 Joined Asahi Kasei Kogyo K.K. (now Asahi Kasei Corporation) Jul 1995 General Manager, Legal Affairs Office, Asahi Kasei Corporation Jun 2003 General Manager, Corporate Strategy Office, Asahi Kasei Corporation Apr 2005 General Manager, Synthetic Rubber Business Division, Asahi Kasei Chemicals Corporation Apr 2008 Executive Officer, General Manager, Synthetic Rubber Business Division, Asahi Kasei Chemicals Corporation Jan 2009 Executive Officer, General Manager, Synthetic Rubber Business Division and General Manager, Basic Chemicals Business Division, Asahi Kasei Chemicals Corporation Jun 2011 Full-time Audit & Supervisory Board Member, Asahi Kasei Corporation Jun 2015 Director, Nichitsu Co., Ltd. Jun 2020 Director (Audit and Supervisory Committee Member), Nichitsu Co., Ltd. Jun 2023 Audit & Supervisory Board Member, the Company (current)