Apr 1983: Joined Nippon Steel Corporation (now Nippon Steel Corporation) Apr 2007: General Manager, Human Resources and Labor Relations Department, Nippon Steel U.S.A., Inc. (seconded) Apr 2009: General Manager, Electrical Steel Sales Department, Sheet Products Business Unit, Nippon Steel Corporation Apr 2013: Senior Manager, Human Resources and Labor Relations Department, Nippon Steel & Sumitomo Metal U.S.A., Inc. (seconded) Sep 2016: General Manager, Transportation & Industrial Machinery Planning Department, Transportation & Industrial Machinery Business Unit, Nippon Steel Corporation Apr 2018: Senior Advisor, Deputy General Manager, Transportation & Industrial Machinery Business Unit, and General Manager, Transportation & Industrial Machinery Planning Department, Nippon Steel Corporation Apr 2019: Executive Officer, Deputy General Manager, Transportation & Industrial Machinery Business Unit, Nippon Steel Corporation Apr 2020: Executive Officer, General Manager, Transportation & Industrial Machinery Business Unit, Nippon Steel Corporation Apr 2021: Managing Executive Officer, General Manager, Steel Pipe Business Unit, Nippon Steel Corporation Apr 2023: Executive Officer, Nippon Steel Corporation; Advisor, Nippon Steel Building Materials Co., Ltd. Jun 2023: Representative Director, President, Nippon Steel Building Materials Co., Ltd. Apr 2025: Senior Advisor, Godo Steel, Ltd. Jun 2025: Representative Director, President, Godo Steel, Ltd. (current)

Apr 1983: Joined Godo Steel, Ltd. Apr 2006: General Manager, Production Department, Himeji Works, Godo Steel, Ltd. Jun 2008: Director, General Manager, Manufacturing Department, Sanseikinzoku Kogyo Co., Ltd. (seconded) Jun 2010: General Manager, Administration Department, Funabashi Works, Godo Steel, Ltd. Jan 2012: General Manager, Technical Administration Department, Funabashi Works, Godo Steel, Ltd. Jun 2014: Director, Works Manager, Himeji Works, in charge of Structural Steel Business, Godo Steel, Ltd. Jun 2015: Executive Officer, Works Manager, Himeji Works, in charge of Structural Steel Business, Godo Steel, Ltd. Jun 2018: Managing Executive Officer, Works Manager, Himeji Works, in charge of Structural Steel Business, Godo Steel, Ltd. Jun 2022: Senior Managing Director, Executive Officer, General Manager, Technology Management Department, Godo Steel, Ltd.; responsible for Purchasing, Technology and Manufacturing, Technical Services, and Systems (current)

Apr 1984: Joined Godo Steel, Ltd. Jul 2007: General Manager, General Affairs Department, Himeji Works, Godo Steel, Ltd. Jun 2010: Director, General Manager, General Affairs Department, Sanseikinzoku Kogyo Co., Ltd. (seconded) Jun 2012: General Manager, Purchasing Department, Godo Steel, Ltd. Jun 2013: General Manager, General Affairs Department, Godo Steel, Ltd. Jun 2015: Executive Officer, General Manager, General Affairs Department, Godo Steel, Ltd. Jun 2019: Managing Executive Officer, General Manager, Corporate Planning Department and General Manager, Accounting Department, Godo Steel, Ltd. Jun 2020: Managing Director, Executive Officer, General Manager, Corporate Planning Department and General Manager, Accounting Department, Godo Steel, Ltd.; responsible for Corporate Planning, General Affairs, and Accounting Apr 2021: Managing Director, Executive Officer, General Manager, Corporate Planning Department, Godo Steel, Ltd.; responsible for Corporate Planning, General Affairs, and Accounting (current)

Apr 1988: Joined Nippon Steel Corporation (now Nippon Steel Corporation) Apr 2013: General Manager, General Affairs Department, Sakai Works, Nippon Steel Corporation Apr 2014: General Manager, General Affairs Department, Wakayama Works, Nippon Steel Corporation Jan 2015: General Manager, Labor and Purchasing Department, Wakayama Works, Nippon Steel Corporation Apr 2017: Department General Manager, Office of the President, Godo Steel, Ltd. Jun 2017: General Manager, Wire Rod Sales Department, Godo Steel, Ltd. Jun 2018: Executive Officer, General Manager, Sales Administration Department and General Manager, Wire Rod Sales Department, Godo Steel, Ltd. Jun 2019: Executive Officer, General Manager, Sales Administration Department and General Manager, Wire Rod Sales Department, Godo Steel, Ltd.; responsible for Wire Rod Sales and Section Steel Sales, in charge of Wire and Section Steel Business Jun 2021: Executive Officer, General Manager, Sales Administration Department and General Manager, Wire Rod Sales Department, Godo Steel, Ltd.; in charge of Wire and Section Steel Business Jun 2022: Managing Director, Executive Officer, Director, Tokyo Sales Office and General Manager, Sales Administration Department, Godo Steel, Ltd.; responsible for Sales, in charge of Bar Steel Business (current) Other principal positions: Representative Director, President, Kanto Deba Steel Co., Ltd. Representative Director, President, Godo Deba Engineering Co., Ltd.

Apr 1977: Joined The Nippon Kogyo Bank, Ltd. (now Mizuho Bank, Ltd.) Apr 2004: Executive Officer, Secretary Office Manager, Mizuho Corporate Bank, Ltd. (now Mizuho Bank, Ltd.) Mar 2006: Managing Executive Officer, Mizuho Corporate Bank, Ltd. Jun 2008: Representative Director, Deputy President, Mizuho Trust & Banking Co., Ltd. Jun 2011: Director, Deputy President, Mizuho Financial Group, Inc. Apr 2012: Representative Director, President, Mizuho Research Institute Ltd. Jun 2012: Corporate Auditor (Outside Auditor), Japan Atomic Power Company Jun 2017: Corporate Auditor (Outside Auditor), Japan Bank for International Cooperation (current) Jun 2017: Director, Audit and Supervisory Committee Member (Outside Director), Asahi Kogyo Co., Ltd.; Corporate Auditor, Daiichi Lease Co., Ltd. Jun 2019: Outside Director, Godo Steel, Ltd. (current) Jun 2020: Director (Outside Director), Nippon Soda Co., Ltd. Jun 2023: President, Nihon Shoko Club, General Incorporated Association (current)

Apr 1979: Joined the Ministry of Construction Jul 2003: Counsellor, PFI Promotion Office, Cabinet Office Aug 2005: Director, Division for Land Environment and Coordination, Policy Bureau, Ministry of Land, Infrastructure, Transport and Tourism Jul 2007: Director, General Affairs Division, Policy Bureau, Ministry of Land, Infrastructure, Transport and Tourism Jul 2008: Deputy Director-General, Urban and Living Environment, Minister's Secretariat, Ministry of Land, Infrastructure, Transport and Tourism Aug 2010: Director for Research Administration, Secretariat of the Council for Agriculture, Forestry and Fisheries Technology, Ministry of Agriculture, Forestry and Fisheries Aug 2012: Auditor, Japan Expressway Holding and Debt Repayment Agency Aug 2014: Principal, Land, Infrastructure, Transport and Tourism Academy, Ministry of Land, Infrastructure, Transport and Tourism Apr 2015: Advisor, IHI Environmental Engineering Co., Ltd. Apr 2015: Visiting Professor, Faculty of Sociology, Kindai University (current) Jun 2015: Director (Outside Director), Japan Post Insurance Co., Ltd. Jun 2018: Managing Executive Officer, Japan Post Insurance Co., Ltd. Jul 2021: President, Center for Promotion of Urban Agricultural Land Utilization, General Incorporated Foundation (current) Jun 2022: Outside Director, Godo Steel, Ltd. (current)

Apr 1989: Registered as an attorney; joined Masuoka Shozo Law Office Apr 1993: Standing Member, Tokyo Bar Association Apr 2003: Vice President, Tokyo Bar Association Jun 2003: Corporate Auditor (Outside Auditor), TJM Design Corporation (current) Dec 2006: Corporate Auditor (Outside Auditor), Itochu Shokuhin Co., Ltd. Jan 2007: Head, Masuoka Sogo Law Office (current) Jun 2024: Outside Director, Godo Steel, Ltd. (current)

Apr 1986: Joined Godo Steel, Ltd. Jan 2008: Manager (General Manager), Internal Audit Office, Godo Steel, Ltd. Jun 2010: General Manager, General Affairs Department, Himeji Works, Godo Steel, Ltd. Jan 2012: General Manager, Operations Department, Himeji Works, Godo Steel, Ltd. Jun 2015: Deputy General Manager (Planning and Coordination), Bar Steel Sales Department, Godo Steel, Ltd. Jun 2019: Full-time Corporate Auditor, Godo Steel, Ltd. (current)

Apr 1989: Joined Godo Steel, Ltd. Jul 2005: General Affairs Group Leader, General Affairs Department, Godo Steel, Ltd. Jul 2010: General Affairs Group Leader, General Affairs Department, Himeji Works, Godo Steel, Ltd. Jun 2013: General Manager, Operations Department, Osaka Works, Godo Steel, Ltd. Jul 2017: Deputy General Manager, Corporate Planning Department, Godo Steel, Ltd. Jun 2025: Full-time Corporate Auditor, Godo Steel, Ltd. (current)

Apr 1973: Joined Kobe City Hall Apr 1975: Joined Tohmatsu & Aoki Audit Corporation (now Deloitte Touche Tohmatsu LLC) Mar 1979: Registered as a Certified Public Accountant Jul 1990: Partner, Deloitte Touche Tohmatsu (now Deloitte Touche Tohmatsu LLC) Jul 1998: Representative Partner, Deloitte Touche Tohmatsu Apr 2006: Auditor, Hyogo University of Teacher Education (National University Corporation) Jan 2016: Head, Kiyoshi Sakai Certified Public Accountant Office (current) Apr 2016: Part-time Lecturer, Kansai University Jun 2016: Outside Corporate Auditor, Godo Steel, Ltd. (current) Dec 2016: Director (Outside Auditor), IMV Corporation (current) Oct 2020: Auditor, Kansai University

Apr 1993: Joined Nippon Steel Corporation (now Nippon Steel Corporation) Oct 2012: Manager, General Affairs Office, General Affairs Department, Oita Works, Nippon Steel Corporation Apr 2014: Manager, General Affairs and Human Resources Office, General Affairs Department, Oita Works, Nippon Steel Corporation Jun 2015: Seconded to NIPPON STEEL & SUMITOMO METAL Southeast Asia Pte. Ltd. (now NIPPON STEEL SOUTHEAST ASIA CO., LTD.) May 2017: Manager, Overseas Human Resources Office, Human Resources and Labor Relations Department, Nippon Steel & Sumitomo Metal Corporation (now Nippon Steel Corporation) Apr 2019: General Manager, General Affairs Department, Nagoya Works, Nippon Steel Corporation May 2021: General Manager, Affiliated Companies Department, Nippon Steel Corporation (current) May 2021: Corporate Auditor, Nippon Steel SG Wire Co., Ltd. (current) Jun 2021: Outside Corporate Auditor, Godo Steel, Ltd. (current) Jun 2021: Corporate Auditor, Kurosaki Harima Corporation Jun 2022: Outside Corporate Auditor, Kyoei Steel Ltd. (current)