Apr 1987 Joined Kawasaki Steel Corporation Apr 2010 General Manager, Stainless Department, JFE Steel Corporation East Japan Works (Chiba District) Apr 2013 General Manager, Process Department, JFE Steel East Japan Works Apr 2014 General Manager, Stainless Sector, JFE Steel Apr 2016 General Manager, Quality Assurance Department, JFE Steel Apr 2019 Audit & Supervisory Board Member, JFE Steel Apr 2024 Joined the Company as Standing Advisor Jun 2024 Appointed Representative Director, Executive Vice President Jun 2025 Appointed Representative Director, President (current)

Apr 1990 Joined Nippon Kokan K.K. Jul 2010 Seconded from JFE Steel Corporation to JFE Holdings, Inc. Jun 2012 Audit & Supervisory Board Member (part-time), JFE Plant Resources Corporation Apr 2016 Transferred from JFE Steel to the Company; General Manager, Accounting Department Apr 2020 Transferred to the Company Jun 2023 Appointed Director (current)

Apr 1985 Joined Nippon Kokan K.K. Aug 2000 Seconded to NKK Seamless Steel Tube Co., Ltd.; General Manager, Order Management Department Jul 2006 Manager, North Asia Planning Department, NKK Seamless Steel Tube Oct 2012 General Manager, Domestic Sales and Purchasing Department, NKK Seamless Steel Tube Jul 2018 Transferred to NKK Seamless Steel Tube Apr 2019 Resigned from NKK Seamless Steel Tube Sep 2022 Joined the Company Mar 2023 Joined the Company (Production Control) Apr 2023 General Manager, Production Control Department Jun 2025 Appointed Director (current)

Apr 1991 Joined Nippon Kokan K.K. Apr 2014 General Manager, Management Department, Steel Structures Division, JFE Engineering Corporation Apr 2014 General Manager, Overseas Social Infrastructure and Technology Department, JFE Engineering Corporation Apr 2018 Seconded to the Company; General Manager, Steel Structure Technology Department Apr 2024 General Manager, Building Materials Technology Department Apr 2025 Joined the Company; General Manager, Engineering Planning Department (current) Apr 2026 Appointed Director (current) Jun 2026

Apr 1993 Joined Kawasaki Steel Corporation Apr 2009 Hot Rolling Plant Manager, Hot Rolling Department, JFE Steel East Japan Works (Chiba District) Apr 2010 Chiba Process Office Manager, Process Department, JFE Steel East Japan Works Apr 2013 Hot Rolling Technology Office Manager, Hot Rolling Department, JFE Steel East Japan Works (Chiba District) Jan 2018 Planning Office Manager, Process Department, JFE Steel East Japan Works Apr 2019 General Manager, Hot Rolling Department, JFE Steel East Japan Works (Chiba District) Apr 2022 General Manager, Quality Assurance Department, JFE Steel Apr 2026 Joined the Company as Standing Advisor Jun 2026 Appointed Director (current)

Apr 1992 Joined Kawasaki Steel Corporation Apr 2008 Ironmaking Plant Manager, JFE Steel East Japan Works (Chiba District) Oct 2011 Coke Plant Manager, JFE Steel East Japan Works Apr 2014 Senior Staff, Planning Department, JFE Steel East Japan Works Oct 2015 Ironmaking Technology Office Manager, JFE Steel East Japan Works (Chiba District) Apr 2021 General Manager, Ironmaking Department, JFE Steel East Japan Works (Chiba District) Apr 2023 General Manager, Ironmaking Technology Department, JFE Steel General Manager, New Reduction Process Development Department, JFE Steel Director (part-time), JFE Mineral Co., Ltd. Apr 2026 Joined the Company as Standing Advisor; General Manager, Planning Department (current) Jun 2026 Appointed Director (current)

Apr 2002 Professor, Graduate School of Engineering, Osaka University Aug 2014 Professor, Joining and Welding Research Institute (JWRI), Osaka University Apr 2015 Vice Director, JWRI Apr 2017 Director, JWRI Apr 2020 Professor Emeritus, Osaka University (current) Jun 2021 Appointed Director (current)

Apr 1985 Joined Suntory Ltd. Apr 2016 Director, Diversity Promotion Office, Suntory Holdings Ltd. Apr 2018 Director, Collaborative Center, Suntory Business Systems Ltd. (concurrent) Apr 2019 Representative Director, President, Connect Co., Ltd. Sep 2022 Specially Appointed Professor, PhD Recruitment Office, Education Support Organization, Niigata University Graduate School Apr 2023 Deputy Director and Specially Appointed Professor, PhD Recruitment Office, Niigata University Jun 2024 Appointed Director (current) Apr 2026 Director and Specially Appointed Professor, PhD Recruitment Office, Doctoral Innovator Development Division, Niigata University (current)

Apr 1995 Joined Nichiha Corporation Sep 2008 Registered as attorney; joined Seiwa Meitetsu Law Office Nov 2015 Outside Audit & Supervisory Board Member, Bunkyodo Group Holdings, Inc. (current) Sep 2018 Joined Kudanzaka Law Office (current) Jun 2019 Outside Audit & Supervisory Board Member, Nichias Corporation (current) Jun 2020 Outside Director, Maxell Holdings, Ltd. (now Maxell, Ltd.) (current) Mar 2021 Outside Director, Roland Corporation Jun 2024 Appointed Director (current)

Apr 1992 Joined Hitachi Construction Machinery Co., Ltd. Apr 2012 General Manager, Procurement Department, Procurement Center, Production & Procurement Division Jun 2018 Seconded to KCM Corporation as Head of Procurement Division Apr 2019 General Manager, Procurement Department, WL Integrated Center, Hitachi Construction Machinery Apr 2022 Project Manager, Business Management Office, Management Strategy Division Apr 2024 Project Manager, Business Strategy Department, Construction Business Unit Apr 2025 Project Manager, Manufacturing Reform Office, Production & Procurement Division Apr 2026 General Manager, Integrated Procurement Department, Production & Procurement Division (current) Jun 2026 Appointed Director (current)

Apr 1985 Joined Kawasaki Steel Corporation Apr 2011 Senior Staff, Planning Department, JFE Holdings, Inc.; Senior Staff, Audit Department, JFE Steel Jul 2012 General Manager, Audit & Supervisory Board Secretariat, JFE Steel Apr 2014 Audit & Supervisory Board Member (part-time), Jecos Co., Ltd. Jun 2014 Audit & Supervisory Board Member (part-time), the Company Jun 2016 Joined the Company; Executive Officer's Assistant, Human Resources & General Affairs Apr 2018 Director, General Manager, Human Resources & General Affairs Department Jun 2019 Responsible for Accounting, Audit, and Environment & Facilities Departments; responsible for Planning & Administration Department Jun 2022 Appointed Audit and Supervisory Board Member (current) Jun 2023

Apr 1993 Joined Kawasaki Steel Corporation Apr 2019 General Manager, Materials Office, General Affairs Department, JFE Steel East Japan Works (Keihin District) General Manager, Audit & Supervisory Board Secretariat, JFE Steel (current) Apr 2024 Appointed Audit and Supervisory Board Member (current) Jun 2024

Apr 2004 Joined JFE Steel Corporation May 2004 Surface Treatment Research Department, Steel Research Laboratory (stationed in Fukuyama) Apr 2023 Senior Researcher (Deputy General Manager), Sustainable Materials Research Department, Steel Research Laboratory (stationed in Chiba) Aug 2024 Senior Staff, Research Planning Department, Steel Research Laboratory (concurrent) Oct 2024 Senior Staff, Affiliated Companies Department, JFE Steel Apr 2026 Senior Staff, Affiliated Companies Department, JFE Steel (current) Senior Staff, New Business Development Promotion Department, JFE Steel (concurrent; current) Jun 2026 Appointed Audit and Supervisory Board Member (current)