Apr 1980 Joined the Company Jul 2002 General Manager, First Sales Department, Steel Products Business Division, the Company Jun 2009 General Manager, Corporate Planning Department, the Company; Director Apr 2012 Director, the Company Jun 2012 Managing Director, the Company Jun 2013 Managing Director, General Manager of Special Steel Products Division and General Manager of Special Steel Bar and Wire Business Division, the Company Jun 2014 Representative Director, Senior Managing Director, Head of Tokyo Head Office and Head of Special Steel Products Division, the Company Jun 2015 Representative Director, Executive Vice President and Executive Officer, Head of Tokyo Head Office, the Company Jun 2016 Representative Director, President and Executive Officer, the Company Jun 2023 Representative Director, Chairman, the Company (current)

Apr 1985 Joined the Company Jul 2008 General Manager, Advanced Materials Research Department, Special Steel Research Laboratory, R&D Division, the Company Jun 2016 Executive Officer, General Manager, Material Solutions Department, the Company Apr 2017 Executive Officer, Director of Technology Development Research Laboratory, the Company Apr 2019 Executive Officer, General Manager, Corporate Planning Department, the Company Apr 2020 Managing Executive Officer, General Manager, Corporate Planning Department, the Company Jun 2020 Director, Managing Executive Officer, General Manager, Corporate Planning Department, the Company Jun 2021 Director, Managing Executive Officer, General Manager, Functional Products Business Division, the Company Apr 2022 Representative Director, Executive Vice President and Executive Officer, General Manager, Functional Products Business Division and Head of Tokyo Head Office, the Company Apr 2023 Representative Director, Executive Vice President and Executive Officer, the Company Jun 2023 Representative Director, President and Executive Officer, the Company (current)

Apr 1986 Joined the Company Apr 2012 General Manager, Automotive Sales Department, Special Steel Bar and Wire Business Division, Special Steel Products Division, the Company Apr 2017 Executive Officer, General Manager, Corporate Planning Department, the Company Apr 2019 Executive Officer, Head of Automotive Business Unit, the Company Apr 2020 Managing Executive Officer, Head of Automotive Business Unit, the Company Jun 2020 Director, Managing Executive Officer, Head of Automotive Business Unit, the Company Jun 2021 Director, Managing Executive Officer, Head of Steel Sales Division, the Company Apr 2023 Director, Managing Executive Officer, Head of Steel Sales Division, General Manager of Tool Steel Business Division and Head of Tokyo Head Office, the Company Jun 2023 Representative Director, Executive Vice President and Executive Officer, Head of Steel Sales Division, General Manager of Tool Steel Business Division and Head of Tokyo Head Office, the Company Jan 2024 Representative Director, Executive Vice President and Executive Officer, Head of Steel Sales Division and Head of Tokyo Head Office, the Company Apr 2024 Representative Director, Executive Vice President and Executive Officer, Head of Tokyo Head Office, the Company (current)

Apr 1987 Joined the Company Jun 2014 General Manager, Overseas Business Division, the Company Apr 2018 Executive Officer, Head of Automotive Business Unit, the Company Apr 2019 Executive Officer, General Manager, Related Business Division, the Company Jun 2021 Managing Executive Officer, General Manager, Related Business Division, the Company Apr 2022 Managing Executive Officer, the Company Jan 2023 Managing Executive Officer, General Manager, Corporate Planning Department, the Company Apr 2023 Managing Executive Officer, the Company Jun 2023 Director, Managing Executive Officer, the Company (current)

Apr 1987 Joined the Company Jul 2010 Deputy General Manager, Chita Works, Special Steel Business Division, the Company Jun 2014 General Manager, Procurement Department, the Company Apr 2018 Executive Officer, General Manager, Chita Works, the Company Jun 2021 Managing Executive Officer, Head of Steel Production Division, the Company Apr 2023 Managing Executive Officer, Head of Production Division, the Company Jun 2023 Director, Managing Executive Officer, Head of Production Division, the Company (current)

Apr 1991 Joined Nippon Steel Corporation Apr 2016 General Manager, Production Technology Department, Nagoya Works, Nippon Steel & Sumitomo Metal Corporation Apr 2018 Deputy General Manager, Nagoya Works, Nippon Steel & Sumitomo Metal Corporation Apr 2020 Executive Officer, Director of Equipment and Maintenance Technology Center, Nippon Steel Corporation Apr 2023 Managing Executive Officer, General Manager, Nagoya Works, Nippon Steel Corporation (current) Jun 2023 Director, the Company (current)

Apr 1996 Associate Professor, Research Institute of Materials Science and Technology, Daido Institute of Technology Apr 2001 Professor, Department of Electrical and Electronic Engineering, Faculty of Engineering, Daido Institute of Technology Apr 2017 Director, Daido Gakuen; President, Daido University Jun 2019 Director, the Company (current) Apr 2023 Adviser, Daido Gakuen; Research Fellow, Graduate School of Engineering, Mie University (current) Jan 2025 Executive Director and Vice President, Toyohashi University of Technology (current)

Apr 1982 Joined Tokyo Shibaura Electric Co., Ltd. (now Toshiba Corporation) Apr 2003 Chief, Power Electronics Department, Toshiba Corporation Oct 2003 Seconded to Toshiba Mitsubishi-Electric Industrial Systems Corporation (now TMEIC Corporation) Oct 2005 Transferred to TMEIC Corporation Oct 2015 Chief Engineer, Power Electronics Systems Business Division, TMEIC Corporation (current) Jan 2018 Fellow, Institute of Electrical and Electronics Engineers (IEEE) Jun 2024 Outside Director, NGK Insulators, Ltd. (now NGK Insulators, Ltd.) (current) Jun 2026 Director, the Company (current) Jun 2026 Director, Sankyu Inc. (current)

Apr 1989 Joined the Company Jun 2015 General Manager, Accounting Department, the Company Apr 2020 Executive Officer, General Manager, Accounting Department, the Company Jun 2021 Executive Officer, General Manager, Corporate Planning Department, the Company Jan 2023 Executive Officer, General Manager, ESG Promotion Division, the Company Jun 2025 Director, Full-time Audit and Supervisory Committee Member, the Company (current)

Apr 1988 Joined Tokai Bank, Limited May 2013 General Manager, Sales Department No. 4, Sales Division No. 1, The Bank of Tokyo-Mitsubishi UFJ, Ltd. Jun 2016 Executive Officer, General Manager, Loan Department, The Bank of Tokyo-Mitsubishi UFJ, Ltd. May 2018 Executive Officer, Audit Officer, MUFG Bank, Ltd. Jun 2018 Adviser, Mitsubishi UFJ Research and Consulting Co., Ltd. Jun 2018 Director, Senior Managing Executive Officer, Mitsubishi UFJ Research and Consulting Co., Ltd. Jun 2024 Director, Full-time Audit and Supervisory Committee Member, the Company (current)

Apr 1973 Joined Meiji Mutual Life Insurance Company Jul 2001 Director, General Manager, Real Estate Department, Meiji Mutual Life Insurance Company Apr 2005 Managing Director, Meiji Yasuda Life Insurance Company Dec 2005 President and Representative Director, Meiji Yasuda Life Insurance Company Jul 2006 Director, President and Representative Executive Officer, Meiji Yasuda Life Insurance Company Jul 2013 Representative Executive Officer, Special Adviser, Meiji Yasuda Life Insurance Company Jun 2017 Audit & Supervisory Board Member, the Company Apr 2022 Honorary Adviser, Meiji Yasuda Life Insurance Company (current) Jun 2022 Director, Audit and Supervisory Committee Member, the Company (current)