Apr 1958 Joined the Company Dec 1967 General Manager, Sales Division, the Company May 1972 Director, General Manager, Sales Division, the Company May 1975 Senior Managing Director, General Manager, Sales Division, the Company Jun 1987 Representative Director, President, the Company Nov 2004 Chairman, Tajimi Chamber of Commerce and Industry Jun 2005 Representative Director, Chairman, Akechi Ceramics Co., Ltd. (current) Jun 2005 Representative Director, Chairman, U-Ceramic Co., Ltd. (current) Jun 2005 Representative Director, Chairman, Mizuno Ceramics Co., Ltd. (current) Jun 2005 Representative Director, Chairman, Hoei Kogyo Co., Ltd. (current) Jun 2005 Representative Director, Chairman, the Company (current) Jun 2006 Outside Director, Tohoku Special Steel Co., Ltd. (current)

Apr 1989 Joined the Ministry of Home Affairs (currently Ministry of Internal Affairs and Communications) Jul 1994 Director, Iyo-Mishima Tax Office Jul 1995 Professor, Institute of Local Autonomy Apr 1996 Joined the Company Apr 1996 General Manager, Sales Development Division, the Company Jun 1997 Director, General Manager, Sales Development Division, the Company Oct 1998 Director, Deputy General Manager, Sales Division, the Company Jun 2001 Managing Director, General Manager, Sales Division, the Company Jun 2004 Senior Managing Director, General Manager, Sales Division, the Company Jun 2005 Representative Director, Chairman, TYK America INC. (current) Jun 2005 Representative Director, President, Akechi Ceramics Co., Ltd. (current) Jun 2005 Representative Director, President, U-Ceramic Co., Ltd. (current) Jun 2005 Representative Director, President, Mizuno Ceramics Co., Ltd. (current) Jun 2005 Representative Director, President, Hoei Kogyo Co., Ltd. (current) Jun 2005 Representative Director, President, the Company (current) Jan 2019 Outside Director, Ambis Holdings Co., Ltd. (current) Jun 2022 Outside Director, Chubu Steel Plate Co., Ltd. (current)

Apr 1979 Joined the Company Jul 1997 General Manager, International Department, the Company Oct 2004 General Manager, Nagoya Sales Office, the Company Jul 2005 General Manager, Sales Department, the Company Oct 2006 President, Rotary Nozzle International S.A. Nov 2009 Executive Officer, General Manager, Sales Division, the Company Jun 2014 Director, General Manager, Sales Division, the Company Jun 2023 Managing Director, General Manager, Sales Division, the Company (current)

Apr 1988 Joined the Ministry of Finance Oct 1996 Elected Member of the House of Representatives, Aichi 2nd District Sep 2009 Director-General, National Strategy Office, Cabinet Secretariat, and Deputy Minister, Cabinet Office Jun 2010 Senior Vice-Minister, Cabinet Secretariat Sep 2011 Minister for National Strategy and Minister in charge of Special Missions, Cabinet Office (Economic and Fiscal Policy, Science and Technology Policy, Space Policy) Oct 2012 Chairman, House of Representatives Committee on Cabinet Sep 2014 Chairman, Tax Commission, Democratic Party of Japan Jan 2015 Chairman, Special Committee on Okinawa and Northern Territories Issues Jun 2015 Director, the Company (current) Sep 2018 Deputy Representative, Democratic Party for the People Sep 2020 Chairman, Diet Affairs Committee, Democratic Party for the People (current)

Apr 1983 Joined Nippon Kokan K.K. (currently JFE Steel Corporation) Jul 2004 Head of Refractories Technology Office, Fukuyama District Steelmaking Department, West Japan Works, JFE Steel Corporation Apr 2011 Senior Staff (Department Manager), Steelmaking Technology Department, JFE Steel Corporation Jul 2016 General Manager, Technical Management Department, the Company Jun 2017 Director, General Manager, Technical Management Department, the Company (current)

Sep 1981 Joined the Company Jul 1997 General Manager, Akasaka Plant, the Company Mar 2000 Plant Manager, the Company Oct 2006 Vice President, Rotary Nozzle International S.A. Jul 2009 Director of Environmental Materials Research Institute, the Company Jun 2017 Director, Director of Environmental Materials Research Institute, the Company (current)

Apr 1978 Joined the Company Oct 1993 General Manager, Fukuyama Sales Office, the Company Jul 1997 General Manager, Sales Coordination Division, the Company Jun 2004 General Manager, International Department, the Company Jul 2008 General Manager, Human Resources Department, the Company Jun 2019 Audit & Supervisory Board Member, the Company (current)

Apr 1980 Joined Daido Steel Co., Ltd. Jul 2002 General Manager, Sales Department I, Steel Products Business Division, Daido Steel Co., Ltd. Jun 2004 General Manager, Steel Sales Department, Steel Products Business Division, Daido Steel Co., Ltd. Jun 2006 General Manager, Steel Planning and Control Department, Steel Products Business Division, Daido Steel Co., Ltd. Jun 2008 General Manager, Corporate Planning Department, Daido Steel Co., Ltd. Jun 2009 Director, General Manager, Corporate Planning Department, Daido Steel Co., Ltd. Apr 2012 Director, Daido Steel Co., Ltd. Jun 2012 Managing Director, Daido Steel Co., Ltd. Jun 2013 Managing Director, General Manager, Specialty Steel Products Division, and General Manager, Specialty Steel Bar and Wire Business Division, Daido Steel Co., Ltd. Jun 2014 Representative Director, Executive Vice President, General Manager, Tokyo Head Office, and General Manager, Specialty Steel Products Division, Daido Steel Co., Ltd. Jun 2015 Representative Director, Executive Vice President Executive Officer, General Manager, Tokyo Head Office, Daido Steel Co., Ltd. Jun 2016 Representative Director, President Executive Officer, Daido Steel Co., Ltd. Jun 2019 Director, the Company (current) Jun 2023 Representative Director, Chairman, Daido Steel Co., Ltd. (current)

Apr 1990 Registered as attorney-at-law (Tokyo Bar Association); joined Anderson Mori & Rabinowitz Mar 1994 Admitted to the New York State Bar Jun 1998 Partner, Anderson Mori & Tomotsune; Director, Beijing Office Sep 2000 Partner, Itoga Law Office Jan 2005 Representative Member, Cast Itoga Law Corporation Jan 2012 Opened Soga Law Office (Tokyo Bar Association) Jun 2017 Director, the Company (current) Jan 2023 Partner, City-Yuwa Partners (current)

Apr 1983 Joined The Japan Steel Works, Ltd. Apr 2016 Executive Officer, General Manager, Muroran Works, The Japan Steel Works, Ltd. Oct 2017 General Manager, Steel Business Division, The Japan Steel Works, Ltd. Jun 2018 Director, Executive Officer, The Japan Steel Works, Ltd. Apr 2020 Managing Director, Managing Executive Officer, and Representative Director, President, Japan Steel Works M&E, Inc., The Japan Steel Works, Ltd. Apr 2021 CISO, in charge of Forming Materials and Engineering Business, The Japan Steel Works, Ltd. Jun 2022 Managing Executive Officer, CISO, in charge of Digital Transformation, The Japan Steel Works, Ltd. (retired Mar 2024) Jun 2025 Director, the Company (current)

Apr 1989 Joined Sumitomo Bank, Ltd. (currently Sumitomo Mitsui Banking Corporation) Apr 2001 Director, Daiwa Securities SMBC Europe Limited May 2007 Executive Director, Corporate Alliance Department No. 4, Daiwa Securities Co., Ltd. Mar 2010 Managing Director, Sagent Advisors Inc. (currently DCAdvisory) Aug 2020 Managing Director, Corporate Advisory Department No. 1, Daiwa Securities Co., Ltd. Nov 2025 Advisor, Administration Division, the Company Jun 2026 Director, General Manager, Administration Division, the Company (current)

Apr 1982 Joined Nippon Kokan K.K. (currently JFE Steel Corporation) Apr 1992 Chief Staff, Market Research Section, Sales Coordination Division, JFE Steel Corporation Oct 1994 Chief Staff, Corporate Planning Division and International Business Promotion Division, JFE Steel Corporation Apr 1998 Chief Staff, Research Section, Steel Coordination Division, JFE Steel Corporation Apr 1999 Chief Staff, Research Group, Corporate Planning Division, and Sales Coordination Section, Steel Coordination Division, JFE Steel Corporation Apr 2003 Department Manager, Planning Section, Corporate Planning Division, JFE Steel Corporation Apr 2019 Department Manager, Corporate Planning Division, JFE Steel Corporation Jun 2021 Full-time Audit & Supervisory Board Member, the Company (current)

Apr 1987 Joined Daido Steel Co., Ltd. Jul 2010 Deputy Plant Manager, Chita Plant, Specialty Steel Business Division, Daido Steel Co., Ltd. Jun 2014 General Manager, Procurement Department, Daido Steel Co., Ltd. Jun 2015 General Manager, Technology Planning Department, Daido Steel Co., Ltd. Apr 2018 Executive Officer, Plant Manager, Chita Plant, Daido Steel Co., Ltd. Jun 2021 Managing Executive Officer, General Manager, Steel Production Division, Daido Steel Co., Ltd. Apr 2023 Managing Executive Officer, General Manager, Production Division, Daido Steel Co., Ltd. Jun 2023 Director, Managing Executive Officer, General Manager, Production Division, Daido Steel Co., Ltd. Jun 2025 Audit & Supervisory Board Member, the Company (current)

Apr 1971 Joined Nippon Kokan K.K. (currently JFE Steel Corporation) Jul 1995 General Manager, Project Department, Plant Engineering Division, JFE Steel Corporation Apr 1999 General Manager, Steelmaking and Rolling Department, Plant Engineering Division, JFE Steel Corporation Apr 2000 Managing Executive Officer, General Manager, Plant Engineering Division, JFE Steel Corporation Mar 2001 Representative Director, President, Steel Plantec Co., Ltd. Apr 2013 Director, Senior Advisor, Steel Plantec Co., Ltd. Jun 2014 Advisor, Steel Plantec Co., Ltd. Jun 2014 Audit & Supervisory Board Member, the Company (current)