Mar 1985 Joined the Company Apr 2007 Head of Tokyo Sales Department, High-Performance Resin Products Division, Industrial Products Business Unit Mar 2008 Head of East Japan Sales Department No. 3, Industrial Products Division, Industrial Products Business Unit Apr 2009 Head of Overseas Sales Department, Industrial Products Division, Industrial Products Business Unit Mar 2010 Head of Overseas Sales Department, Industrial Products Business Unit Apr 2011 General Manager, Sales Division, and Head of Overseas Sales Department, Industrial Products Business Unit Apr 2013 Deputy Head of Industrial Products Business Unit and Head of Overseas Sales Department Jun 2013 Executive Officer Mar 2014 Representative Director, President, Inocrete Co., Ltd. Apr 2016 Head of Core Industries Business Unit Jun 2016 Director, Executive Officer Jun 2019 Director, Managing Executive Officer Apr 2022 In charge of Corporate Planning Jun 2022 Representative Director, President (current)

Mar 1986 Joined the Company Jul 2011 Representative Director, President, Nippon Rockwool Co., Ltd. Jan 2014 General Manager, Building Materials Business Unit (in charge of Sales and Production) and Head of Renovation Measures Department, Building Materials Business Unit Jan 2014 Representative Director, President, Nichias Semucrete Co., Ltd. Apr 2017 General Manager, Corporate Planning Department Apr 2018 Deputy Head of Administration Division and General Manager, General Affairs Department Jun 2018 Executive Officer Jun 2020 Head of Administration Division Jun 2021 Director, Executive Officer Jun 2022 Representative Director, Senior Managing Executive Officer (current) Jun 2022 In charge of Internal Control, Compliance, CSR and Accounting Oct 2023 In charge of Internal Control, Compliance, Sustainability and Accounting (current)

Apr 1989 Joined the Company Apr 2006 General Manager, High-Performance Resin Products Manufacturing Department, Tsurumi Plant Apr 2007 Plant Manager, Tsurumi Plant Aug 2009 General Manager, Corporate Planning Department Apr 2012 General Manager, Technology and Production Division and General Manager, Resin Technology Development Department, High-Performance Products Business Unit Apr 2013 Deputy Head of High-Performance Products Business Unit Jun 2013 Executive Officer Apr 2014 Head of Technology Division Jun 2019 Director, Executive Officer Jun 2021 Director, Managing Executive Officer Jun 2023 General Manager, Occupational Health and Safety, Environment and Quality Assurance Oct 2023 General Manager, Production, Occupational Health and Safety, Environment and Quality Assurance Apr 2024 Head of Production Division Jun 2024 Director, Senior Managing Executive Officer (current) Apr 2025 In charge of Production, Occupational Health and Safety, Environment and Quality Assurance (current)

Jun 2003 Joined the Company Apr 2008 Group Leader, R&D Department, Hamamatsu Research Institute Aug 2014 Head of Hamamatsu Research Institute, Research and Development Division Jun 2016 Executive Officer Jun 2016 Deputy Head of Research and Development Division and Head of Hamamatsu Research Institute Apr 2018 Head of Research and Development Division Jun 2021 Director, Executive Officer Oct 2023 In charge of R&D and Digital Transformation Promotion (current) Apr 2024 Director, Senior Executive Officer Jun 2024 Director, Managing Executive Officer (current)

Sep 1988 Joined the Company Oct 2009 General Manager, East Japan Sales Department, High-Performance Products Division, Industrial Products Business Unit Mar 2010 General Manager, East Japan Sales Department, High-Performance Products Business Unit Apr 2014 General Manager, Division and General Manager, East Japan Sales Department, High-Performance Products Business Unit Apr 2016 General Manager, Sales Division, High-Performance Products Business Unit Jun 2017 Executive Officer Jun 2017 Deputy Head of High-Performance Products Business Unit Apr 2021 Deputy Head of High-Performance Products Business Unit and General Manager, Planning and Administration Department Jun 2021 Head of High-Performance Products Business Unit Jun 2022 Director, Executive Officer Oct 2023 In charge of Sales (current) Apr 2024 Director, Senior Executive Officer Jun 2025 Director, Managing Executive Officer (current)

Apr 1989 Registered as attorney-at-law (current) Apr 1989 Joined Kajitani Sogo Law Office (current) Jun 2015 Outside Audit & Supervisory Board Member, the Company Mar 2016 Outside Audit & Supervisory Board Member, Otsuka Holdings Co., Ltd. Jun 2019 Outside Director, the Company (current) Jun 2023 Outside Director, S.T. Corporation (current) Mar 2025 Outside Audit & Supervisory Board Member, Kyowa Kirin Co., Ltd. Mar 2026 Outside Director (Audit and Supervisory Committee Member), Kyowa Kirin Co., Ltd. (current)

Apr 1979 Joined Hitachi, Ltd. Apr 2000 General Manager, Second Public Sales Department, Public Sales Division, Hitachi, Ltd. Apr 2002 General Manager, Heavy Plant Department, Plant Sales Division, Electrical Systems Sales Division, Hitachi, Ltd. Apr 2008 General Manager, New Business Development Division, Hitachi, Ltd. Apr 2011 General Manager, Sales Division, Social and Industrial Systems Company, Hitachi, Ltd. Apr 2012 General Manager, Infrastructure Systems Sales Division, Infrastructure Systems Group, Hitachi, Ltd. Apr 2013 Executive Officer and Head of Kansai Branch, Hitachi, Ltd. Jun 2013 Outside Audit & Supervisory Board Member, Shinmaywa Industries, Ltd. Apr 2016 Officer, Deputy Head of Sales Division, CMO for Industry, Distribution, Water and Urban Business, Hitachi, Ltd. Apr 2017 Executive Officer, Deputy Head of Sales Division, CMO for Industry, Distribution, Water and Urban Business, Hitachi, Ltd. Apr 2021 Executive Advisor, Yashima Denki Co., Ltd. Jun 2021 Outside Director, Mitsubishi Gas Chemical Company, Inc. (current) Jun 2024 Outside Director, the Company (current)

Apr 1989 Joined Toppan Inc. (now TOPPAN Holdings Inc.) Apr 2002 Managing Director, Toppan Mind Wellness Co., Ltd. (now TOPPAN Inc.) Jan 2014 Representative Director, Toppan Mind Wellness Co., Ltd. Apr 2022 Started human resource development consulting business as sole proprietor Jun 2023 Outside Director, ADVANEX Inc. May 2024 Outside Director (Audit and Supervisory Committee Member), Arclands Corporation (current) Aug 2024 Established For SDGs Inc.; Representative Director (current) Jun 2025 Outside Director (Audit and Supervisory Committee Member), Nishikawa Rubber Co., Ltd. (current) Jun 2025 Outside Director, the Company (current)

Mar 1986 Joined the Company Apr 2003 Team Leader, Labor Relations Team, Human Resources Department Apr 2005 Team Leader, Human Resources Team, Human Resources Department Jun 2007 Team Leader, General Affairs Team, Tokyo Branch Jul 2010 Manager, Human Resources Section, Human Resources Department, Administration Division Jul 2015 Deputy General Manager, Internal Control Audit Office Apr 2016 General Manager, Internal Control Audit Office Jun 2023 Full-time Audit & Supervisory Board Member (current)

Oct 1989 Joined the Company Apr 2005 Team Leader, Accounting Team, Accounting Department Jul 2009 Manager, General Affairs Section, Fukuroi Plant Jul 2015 Deputy General Manager, Human Resources Department, Administration Division, and Manager, Human Resources Section Jun 2020 General Manager, General Affairs Department, Administration Division Apr 2021 General Manager, General Affairs Department, Administration Division, and General Manager, Compliance Office Mar 2022 General Manager, Accounting Department, Administration Division Jun 2024 Full-time Audit & Supervisory Board Member (current)

Apr 1995 Joined Nichiha Corporation Sep 2008 Registered as attorney-at-law (current) Sep 2008 Joined Seiwa Meitetsu Law Office Nov 2015 Outside Audit & Supervisory Board Member, Bunkyodo Group Holdings Co., Ltd. (current) Sep 2018 Joined Kudanzaka Law Office (current) Jun 2019 Outside Audit & Supervisory Board Member, the Company (current) Jun 2020 Outside Director, Maxell Holdings, Ltd. (now Maxell, Ltd.) (current) Mar 2021 Outside Director, Roland Corporation Jun 2024 Outside Director, Nippon Chuzo Co., Ltd. (current)

Apr 1975 Recruited by Fukuoka Regional Taxation Bureau Jul 2006 Director, Moji Tax Office, Fukuoka Regional Taxation Bureau Jul 2007 Chief Tax Investigator, Investigation Department, Tokyo Regional Taxation Bureau Jul 2009 Chief Tax Field Investigator, Taxation Division No. 1, Tokyo Regional Taxation Bureau Jul 2010 Section Chief, Personnel Division No. 2, Tokyo Regional Taxation Bureau Jul 2012 Section Chief, Personnel Division No. 1, Tokyo Regional Taxation Bureau Jul 2014 Administrative Officer, Welfare Management, National Tax Agency Jul 2015 Chief National Tax Inspector, National Tax Agency Jul 2016 Director-General, Kumamoto Regional Taxation Bureau Aug 2017 Registered as certified public tax accountant (current) Aug 2017 Director, Nobuhiko Takano Tax Accountant Office (current) Mar 2018 Outside Director (Audit and Supervisory Committee Member), Toagosei Co., Ltd. Jun 2020 Outside Audit & Supervisory Board Member, the Company (current)

Apr 1982 Joined Sumitomo Corporation Apr 1993 Assistant to General Manager, Non-ferrous Metals and Fuel Accounting Department, Sumitomo Corporation Sep 1994 Assistant to General Manager, Accounting Department No. 2, Sumitomo Corporation Feb 1996 Finance Department, Sumitomo Corporation America Jul 2002 Assistant to General Manager, Corporate Finance Department and Investor Relations Department, Sumitomo Corporation Apr 2008 Assistant to Asia General Manager, Sumitomo Corporation, and Director, Asia Sumitomo Corporation Apr 2012 Officer, Assistant to Asia General Manager, and Deputy Head of Asia Sumitomo Corporation Group Corporate Unit, Sumitomo Corporation Apr 2013 Officer and General Manager, Kansai Block, Sumitomo Corporation Apr 2014 Officer and General Manager, Regional Management Division, Sumitomo Corporation Apr 2016 Officer and General Manager, Internal Audit Department, Sumitomo Corporation Apr 2017 Executive Officer and General Manager, Internal Audit Department, Sumitomo Corporation Apr 2019 Managing Executive Officer, Sumitomo Precision Products Co., Ltd. Jun 2019 Director, Managing Executive Officer, Sumitomo Precision Products Co., Ltd. Jun 2020 Representative Director, Senior Managing Executive Officer, Head of Corporate Management Division, Sumitomo Precision Products Co., Ltd. Jun 2022 Vice President, Executive Officer, East Japan, LogiNet Japan Co., Ltd. Sep 2023 Outside Director (Audit and Supervisory Committee Member), TECHNO PRO Holdings, Inc. Jun 2024 Outside Audit & Supervisory Board Member, the Company (current)