Apr 1980 Joined the Company Apr 2008 Executive Officer; General Manager, Interlayer Film Business Division, High-Performance Plastics Company Jul 2011 Executive Officer; General Manager, New Business Promotion Department, High-Performance Plastics Company Mar 2013 Executive Officer; General Manager, New Business Promotion Department and Director, Research and Development Institute, High-Performance Plastics Company Oct 2013 Executive Officer; Director, Research and Development Institute, High-Performance Plastics Company Mar 2014 Managing Executive Officer; President, High-Performance Plastics Company Jun 2014 Director, Managing Executive Officer; President, High-Performance Plastics Company Apr 2015 Director, Senior Managing Executive Officer; President, High-Performance Plastics Company Jan 2019 Representative Director, Senior Managing Executive Officer; General Manager, Corporate Strategy Department Apr 2019 Representative Director, Senior Managing Executive Officer; in charge of ESG Management Promotion Department; General Manager, Corporate Strategy Department Jul 2019 Representative Director, Senior Managing Executive Officer; in charge of ESG Management Promotion Department; General Manager, Corporate Strategy Department and General Manager, New Business Development Department Jan 2020 Representative Director, Senior Managing Executive Officer; in charge of ESG Management Promotion Department; General Manager, Corporate Strategy Department Mar 2020 Representative Director, President and Executive Officer Mar 2026 Director, Chairman of the Board (current)

Apr 1987 Joined the Company Apr 2015 Executive Officer; General Manager, Foam Business Division, High-Performance Plastics Company Apr 2016 Executive Officer; in charge of Vehicles and Electronics Fields and General Manager, Foam Business Division, High-Performance Plastics Company Apr 2018 Executive Officer; in charge of Electronics Field and General Manager, Foam Business Division, High-Performance Plastics Company Jan 2019 Managing Executive Officer; President, High-Performance Plastics Company; in charge of Electronics Field; Director, Sekisui Fuller Co., Ltd. Apr 2019 Managing Executive Officer; President, High-Performance Plastics Company Jun 2019 Director, Managing Executive Officer; President, High-Performance Plastics Company Apr 2021 Director, Senior Managing Executive Officer; President, High-Performance Plastics Company Jan 2025 Representative Director, Senior Managing Executive Officer; in charge of ESG Management Promotion and New Business Development Departments; General Manager, Corporate Strategy Department Apr 2025 Representative Director, Senior Managing Executive Officer; in charge of ESG Management Promotion, Corporate Communications, New Business Development and Life Science Business Development Departments; General Manager, Corporate Strategy Department Mar 2026 Representative Director, President and Executive Officer (current)

Apr 1988 Joined the Company Apr 2018 Executive Officer; General Manager, Management Accounting Department Apr 2024 Managing Executive Officer; in charge of Digital Transformation Promotion Department; General Manager, Management Accounting Department Jan 2025 Director, Sekisui Solar Film Co., Ltd. (current) Mar 2026 Managing Executive Officer; in charge of ESG Management Promotion, Corporate Communications, Finance, Accounting and New Business Development Departments; General Manager, Corporate Strategy Department Apr 2026 Senior Managing Executive Officer; in charge of ESG Management Promotion, Finance, Accounting and New Business Development Departments; General Manager, Corporate Strategy Department Jun 2026 Representative Director, Senior Managing Executive Officer; in charge of ESG Management Promotion, Finance, Accounting and New Business Development Departments; General Manager, Corporate Strategy Department (current)

Apr 1989 Joined the Company Apr 2020 Executive Officer; General Manager, Human Resource Development Department, High-Performance Plastics Company Oct 2020 Executive Officer; General Manager, Human Resources Department Jun 2021 Director, Executive Officer; General Manager, Human Resources Department Apr 2026 Director, Managing Executive Officer; General Manager, Human Resources Department (current)

Apr 1980 Joined Nisshin Seifun Co., Ltd. (now Nisshin Seifun Group Inc.) Jun 2008 Executive Officer, Nisshin Seifun Group Inc. Jun 2009 Director, Nisshin Seifun Group Inc. Apr 2011 President, Nisshin Seifun Group Inc. Apr 2017 Director and Advisor, Nisshin Seifun Group Inc. Jun 2017 Special Advisor, Nisshin Seifun Group Inc. (current) Director and President, Seifun Kaikan Co., Ltd. (until 2022) Mar 2018 Outside Director, Ebara Corporation Jun 2018 Director, the Company (current) Jun 2023 Chairman, Hitotsubashi University Support Association (current) Mar 2022 Outside Director and Chairman of the Board, Ebara Corporation (current) Outside Director, Japan Post Holdings Co., Ltd. (current)

Apr 1979 Joined Takashimaya Company, Limited May 2007 Executive Officer; General Manager, Public Relations and IR Office, Corporate Planning Division, Takashimaya Company, Limited Mar 2009 Senior Executive Officer; General Manager, Sales Planning Department, Takashimaya Company, Limited Feb 2010 President and Representative Director, Okayama Takashimaya Co., Ltd. May 2013 Director, Takashimaya Company, Limited Sep 2013 Representative Director, Senior Managing Executive Officer; General Manager, Corporate Planning Division (Head of Reform Promotion Headquarters); in charge of General Affairs, CSR Promotion Office, IT Promotion Office and Nihonbashi Redevelopment Planning Office, Takashimaya Company, Limited Director, Okayama Takashimaya Co., Ltd. (until 2021) Mar 2014 Representative Director, Senior Managing Executive Officer; General Manager, Sales Division, Takashimaya Company, Limited May 2015 Member, Strategy Headquarters for Advanced Information and Telecommunications Network Society, Information Technology (IT) Strategy Headquarters, Cabinet Secretariat (until 2019) Mar 2016 Director, Takashimaya Company, Limited May 2016 Advisor, Takashimaya Company, Limited Jun 2018 Outside Director, Japan Post Holdings Co., Ltd. (until 2025) Jun 2019 Outside Director, Nankai Electric Railway Co., Ltd. (now NANKAI Electric Railway Co., Ltd.) (current) Mar 2020 Counselor, Takashimaya Company, Limited (until 2021) Outside Director, Nippon Paint Holdings Co., Ltd. (until 2023) Jun 2022 Director, the Company (current)

Apr 1980 Joined Fujisawa Pharmaceutical Co., Ltd. (now Astellas Pharma Inc.) Jun 2005 Executive Officer; General Manager, Corporate Planning Department, Corporate Strategy Division, Astellas Pharma Inc. Apr 2006 Executive Officer; President and CEO, Astellas US LLC; President and CEO, Astellas Pharma US, Inc. Jun 2008 Senior Executive Officer; President and CEO, Astellas US LLC; President and CEO, Astellas Pharma US, Inc. Apr 2009 Senior Executive Officer; in charge of Corporate Strategy and Finance, Astellas Pharma Inc. Jun 2011 Representative Director, President, Astellas Pharma Inc. Jun 2016 Chairman, Japan Pharmaceutical Manufacturers Association (until 2018) Apr 2018 Representative Director, Chairman, Astellas Pharma Inc. (until 2022) Jun 2018 Vice Chairman, Deliberation Committee, Japan Business Federation (Keidanren) (until 2022) Jun 2019 Outside Director, Sony Corporation (now Sony Group Corporation) (until 2025) Jun 2020 Chairman, Tokyo Pharmaceutical Manufacturers Association (until 2022) Jun 2023 Outside Director, Shiseido Company, Limited (current) Jun 2023 Director, the Company (current)

Apr 1987 Joined the Company Apr 2016 General Manager, Device Materials Business Division, High-Performance Plastics Company; Representative Director, President, Sekisui NanoCoat Technology Co., Ltd. Apr 2020 General Manager, Purchasing Department, High-Performance Plastics Company Apr 2021 General Manager, Digital Transformation Promotion Department, High-Performance Plastics Company Jun 2023 Assigned to the President, High-Performance Plastics Company Full-time Audit and Supervisory Board Member, the Company (current)

Apr 1988 Joined the Company Mar 2014 General Manager, Management Accounting Department, Housing Company Jan 2018 General Manager, Overseas Business Promotion Department, Housing Company Apr 2021 General Manager, Audit Office Jun 2025 Full-time Audit and Supervisory Board Member (current)

Apr 1978 Joined Horiba Community Co., Ltd. Mar 1980 Transferred to HORIBA, Ltd. Apr 2001 General Manager, Human Resources and Education Department, HORIBA, Ltd. Jan 2008 Deputy General Manager, Human Resources, Administration Division, HORIBA, Ltd. Apr 2014 Junior Corporate Officer, HORIBA, Ltd. (until 2022) Jul 2015 Chairman, Health Insurance Union, HORIBA, Ltd. (until 2022) Jun 2020 Outside Director, West Japan Railway Company (current) Jun 2021 Project Professor, Institute of International Academic Research, Kyoto Advanced Science University (until 2022) Apr 2022 Trustee, Kyoto University (current) Jun 2022 Director, the Company (current)

Apr 1983 Joined Matsushita Electric Industrial Co., Ltd. (renamed Panasonic Corporation in 2008; now Panasonic Holdings Corporation) Oct 2001 General Manager, Life Research Institute, Matsushita Electric Industrial Co., Ltd. Apr 2005 Executive Director, Matsushita Electric Industrial Co., Ltd. Apr 2006 Executive Director; General Manager, Cooking Appliances Business Unit, Matsushita Electric Industrial Co., Ltd. Apr 2011 Officer; General Manager, Environment Division, Panasonic Corporation Oct 2012 Officer; in charge of Future Life Research, R&D Division, Panasonic Corporation Apr 2014 Advisor, Panasonic Corporation (until 2016) Jun 2014 Outside Director, Morinaga & Co., Ltd. (until 2018) Dec 2014 Outside Director, Kato Sangyo Co., Ltd. (until 2018) May 2015 Outside Director, Yoshinoya Holdings Co., Ltd. (until 2019) Feb 2016 Member, Personal Information Protection Commission, Cabinet Office (until 2021) Jun 2018 Director and Managing Executive Officer, Morinaga & Co., Ltd. Feb 2019 Chairman, Sustainability Japan Forum (NPO) (current) Apr 2022 Auditor, Ochanomizu University (current) Jun 2022 Director, the Company (current) Apr 2024 Director, Morinaga & Co., Ltd. (until 2024) Jun 2024 Outside Director, Isuzu Motors Limited (current)

Apr 1996 Registered as attorney; joined Miyake, Imai & Ikeda Law Office Jan 2004 Partner, Miyake, Imai & Ikeda Law Office (current) Jun 2022 Audit and Supervisory Board Member, the Company (current)

Oct 1982 Joined Tohmatsu & Co. Aoki Audit Corporation (now Deloitte Touche Tohmatsu LLC) Mar 1983 Registered as Certified Public Accountant Aug 1997 Partner, Deloitte Touche Tohmatsu LLC Oct 2013 Head of Kansai Division, Audit Business Division, Deloitte Touche Tohmatsu LLC (until 2021) Sep 2022 Opened Shinmen Certified Public Accountant Office (current) Jun 2023 Audit and Supervisory Board Member, the Company (current) Outside Audit and Supervisory Board Member, Toyobo Co., Ltd. Jun 2025 Outside Director (Audit and Supervisory Committee Member), Toyobo Co., Ltd. (current)

May 2004 Professor, Graduate School of Informatics and Engineering, The University of Electro-Communications (until 2023) Apr 2012 Vice President, The University of Electro-Communications (until 2014) Apr 2023 Specially Appointed Professor, Industry-Academia-Government Collaboration Center, The University of Electro-Communications Jun 2023 Deputy Director, Industry-Academia-Government Collaboration Center, The University of Electro-Communications Jun 2023 Audit and Supervisory Board Member, the Company (current) Apr 2026 Visiting Professor, Industry-Academia-Government Collaboration Center, The University of Electro-Communications (current)