Apr 1984 Joined Kawasaki Steel Corporation Apr 2008 Chief Staff Member, Accounting Department, JFE Steel Corporation Apr 2010 Chief Staff Member, Planning Department, JFE Holdings, Inc. Apr 2011 General Manager, Planning Department, JFE Holdings, Inc. Apr 2014 General Manager, Finance & IR Department, JFE Holdings, Inc. Apr 2015 Managing Executive Officer, JFE Holdings, Inc. Apr 2018 Senior Managing Executive Officer, JFE Steel Corporation Mar 2020 Retired as Senior Managing Executive Officer, JFE Steel Corporation Apr 2020 Full-time Advisor, JFE Systems, Inc. Jun 2020 Representative Director, Executive Vice President, JFE Systems, Inc. Jun 2021 Representative Director, President, JFE Systems, Inc. (current) Chairman of the Board, JFE Com Service Co., Ltd. (current) Vice Chairman, Representative Director, IAF Consulting Co., Ltd. (current)

Apr 1989 Joined Nippon Kokan K.K. Apr 2015 General Manager, Control Department, East Japan Works (Keihin District), JFE Steel Corporation Apr 2017 General Manager, Control Department, East Japan Works (Keihin District), JFE Steel Corporation (Executive Officer) Apr 2019 General Manager, IT Reform Promotion Department, JFE Steel Corporation Jun 2019 Director (Part-time), JFE Systems, Inc. Apr 2022 Executive Officer, JFE Systems, Inc. Apr 2023 Managing Executive Officer, JFE Systems, Inc. Apr 2025 Managing Executive Officer, General Manager, Steel Business Headquarters, JFE Systems, Inc.; in charge of Tokyo, East Japan, Chubu, Kurashiki and Fukuyama Offices, Steel General Affairs Department, Application Platform Development Department and Modernization Promotion Department (current) Jun 2025 Director, JFE Systems, Inc. (current)

Apr 1989 Joined Kawatetsu Systems Development Co., Ltd. (currently JFE Systems, Inc.) Apr 2015 General Manager, No. 1 Development Department, Manufacturing & Distribution Systems Business Division, JFE Systems, Inc. Jul 2018 General Manager, Sales Department, Manufacturing & Distribution Systems Business Division, JFE Systems, Inc. Apr 2021 General Manager, Sales Department, Manufacturing & Distribution Systems Business Division, Business Systems Business Headquarters, JFE Systems, Inc. Apr 2022 Executive Officer, JFE Systems, Inc. Apr 2025 Managing Executive Officer, General Manager, ERP Solutions Business Headquarters, JFE Systems, Inc.; in charge of ERP Solutions Business Headquarters (current) Director, IAF Consulting Co., Ltd. (current) Jun 2025 Director, JFE Systems, Inc. (current)

Apr 1991 Joined Kawasaki Steel Corporation Oct 1994 Seconded to Kawatetsu Systems Development Co., Ltd. (currently JFE Systems, Inc.) Apr 2020 General Manager, No. 1 Development Department, Manufacturing & Distribution Systems Business Division, JFE Systems, Inc. Apr 2023 General Manager, Sales Department, Business Systems Business Division, Business Systems Business Headquarters, JFE Systems, Inc. Apr 2024 Executive Officer, JFE Systems, Inc. Jun 2025 Director, JFE Systems, Inc. (current) Apr 2026 Executive Officer, General Manager, Smart Solutions Business Headquarters, JFE Systems, Inc. (current)

Apr 1983 Joined Obayashi Corporation May 1990 Completed Master's Program (MBA), Cornell University, USA Jan 1992 Joined McKinsey & Company Sep 1995 Joined Wyatt Co., Ltd. Jan 1998 Joined Bain & Company Apr 2004 Joined Watson Wyatt K.K. Nov 2007 Joined Mercer Japan Ltd.; Principal, Global M&A Consulting Practice Mar 2015 Partner, M&A Advisory Services Practice, Mercer Japan Ltd. Jun 2022 Director, JFE Systems, Inc. (current)

Apr 1983 Joined IBM Japan, Ltd. Apr 1995 Joined SAP Japan Co., Ltd. Nov 1998 Representative Director, President, Villanet Japan K.K. Mar 2004 Business Execution Officer, Microsoft Japan Co., Ltd. Jul 2006 Executive Officer, Oracle Corporation Japan Jul 2008 Managing Executive Officer, Oracle Corporation Japan Apr 2014 Specially Appointed Professor, Graduate School of International Management, Aoyama Gakuin University Jun 2019 Director, IGUAS Co., Ltd. Jun 2019 Director, Oi Electric Co., Ltd. Jun 2021 Director (Audit and Supervisory Committee Member), Oi Electric Co., Ltd. Dec 2021 Outside Director, CM-C Co., Ltd. Mar 2022 Outside Director, Vacan Co., Ltd. (current) Jun 2023 Director, the Company (current)

Apr 1991 Joined Kawasaki Steel Corporation Apr 2014 General Manager, Cold Rolling Department, West Japan Works (Kurashiki District), JFE Steel Corporation Apr 2016 General Manager, Product & Technology Department, West Japan Works (Chiba District), JFE Steel Corporation Apr 2020 General Manager, Planning Department, East Japan Works, JFE Steel Corporation Apr 2021 Managing Executive Officer, JFE Steel Corporation Apr 2024 Senior Managing Executive Officer, JFE Steel Corporation Apr 2026 Full-time Advisor, JFE Systems, Inc. (current)

Apr 1986 Joined Kawasaki Steel Corporation Oct 2006 General Manager, General Affairs Office, General Affairs Department, East Japan Works (Chiba District), JFE Steel Corporation Apr 2010 General Manager, Materials Office, Materials Department, JFE Steel Corporation Oct 2013 General Manager, Audit Department, JFE Steel Corporation; Chief Staff Member, CSR Office, General Affairs Department; General Affairs Department, JFE Holdings, Inc. Apr 2016 Director, Audit Department, JFE Steel Corporation; Chief Staff Member, CSR Office, General Affairs Department; General Affairs Department, JFE Holdings, Inc. Apr 2017 Chief Staff Member, Secretariat of Audit & Supervisory Board Members, JFE Holdings, Inc. (Director) Jul 2017 General Manager, Secretariat of Audit & Supervisory Board Members, JFE Holdings, Inc. (Director) Jun 2017 Corporate Auditor (Part-time), Nippon Chutetsukan Co., Ltd. Jun 2021 Full-time Corporate Auditor, JFE Systems, Inc. (current) Corporate Auditor, JFE Com Service Co., Ltd. (current) Corporate Auditor, IAF Consulting Co., Ltd. (current)

Apr 1988 Joined Nagashima Ohno & Tsunematsu (formerly Nagashima Ohno & Tsunematsu) Mar 1997 Joined Philip Morris K.K. (currently Philip Morris Japan GK) Nov 1998 Joined Mitsui Yasuda Law Office Jan 2002 Partner, Mitsui Yasuda Law Office Jul 2004 Partner, Ito Mitomi Law Office (currently Morrison & Foerster) Jul 2014 Partner, Hayabusa Asuka Law Office Oct 2015 Partner, PwC Legal Japan Jun 2022 Corporate Auditor, Odakyu Electric Railway Co., Ltd. Jul 2022 Partner, Isshiki Law Office, Foreign Law Joint Enterprise (current) Jun 2023 Corporate Auditor, JFE Systems, Inc. (current) Jun 2024 Outside Director (Audit and Supervisory Committee Member), Odakyu Electric Railway Co., Ltd. (current) Jun 2024 Outside Director, Ajinomoto Co., Inc. (current)

Apr 1994 Joined Kawasaki Steel Corporation Apr 2003 Chief Staff Member, Legal Department, JFE Steel Corporation Apr 2015 Chief Staff Member, Legal Department, and Chief Staff Member, Overseas Business Coordination Office, Business Planning Department, JFE Steel Corporation Apr 2019 Chief Staff Member, Legal Department, JFE Steel Corporation Apr 2023 Chief Staff Member (Executive Officer), Legal Department, and Chief Staff Member, CSR Office, General Affairs Department, JFE Steel Corporation Jun 2023 Corporate Auditor, JFE Systems, Inc. (current) Oct 2024 Chief Staff Member, Legal Department, and Staff Member, CSR Office, General Affairs Department, JFE Steel Corporation Apr 2026 Chief Legal Officer, Legal Department, JFE Steel Corporation (current)