Apr 1985 Joined Marubeni Corporation Nov 1998 Marubeni America Corporation Oct 2001 Transferred to Itochu Marubeni Steel Corporation Jan 2002 Branch Manager, Houston Branch, Itochu Marubeni Steel Americas Apr 2008 Deputy General Manager, Electrical Steel Sheet Department, Itochu Marubeni Steel Corporation Apr 2009 Director and General Manager, Jiaxing Hongchu Precision Processing Co., Ltd. May 2010 Director and General Manager, Jiaxing Hongchu Steel Plate Processing Co., Ltd. Apr 2015 Representative Director, President, Hongchu Coil Center Kanto Co., Ltd. Apr 2018 General Manager, Sheet Products Department, Itochu Marubeni Steel Corporation Jun 2020 General Manager, Nagoya Branch, Itochu Marubeni Steel Corporation Jun 2021 Representative Director, President, the Company (current)

Apr 1982 Joined Marubeni Corporation Apr 2007 Director, General Manager of Administration Division, Vectant Inc. Apr 2008 Deputy Manager, Finance, Logistics, Information and New Business Division, Marubeni Corporation Oct 2008 Deputy General Manager, Finance, Logistics, Information and New Business Division, Marubeni Corporation Jun 2011 Director, General Manager of Administration Division, Marubeni OKI NetSolutions Corporation Apr 2016 Managing Director, General Manager of Administration Division, Marubeni Logistics Corporation Apr 2019 Full-time Audit & Supervisory Board Member, Marubeni Logistics Corporation Jun 2021 Full-time Director (Audit and Supervisory Committee Member), the Company Jun 2025 Director (Audit and Supervisory Committee Member), the Company (current)

Apr 1989 Joined Itochu Corporation Oct 2004 Transferred to Itochu Marubeni Steel Corporation Apr 2012 General Manager, Chicago Branch, Itochu Marubeni Steel America Apr 2018 General Manager, Special Steel & Wire Rod Department, Automotive Steel Division, Itochu Marubeni Steel Corporation Apr 2020 Deputy General Manager, Automotive Steel Division, Itochu Marubeni Steel Corporation Apr 2021 Deputy General Manager, Osaka Branch, Itochu Marubeni Steel Corporation Apr 2024 Executive Officer, General Manager, Automotive Steel Division, Itochu Marubeni Steel Corporation (current) Jun 2024 Outside Director, the Company (current)

Apr 1992 Joined Kobe Steel, Ltd. Apr 2013 Manager, Shipbuilding Plate Office, Plate Sales Department, Steel Business Division, Kobe Steel Apr 2016 General Manager, Plate Sales Department, Steel Business Division, Kobe Steel Apr 2020 General Manager, Plate Sales Department, Plate Unit, Steel & Aluminum Business Division, Kobe Steel Apr 2022 Responsible Manager, Planning & Administration Department, Steel & Aluminum Business Division, concurrently Head of Human Resources Group, Kobe Steel Jul 2022 Responsible Manager, Planning & Administration Department, Steel & Aluminum Business Division, Kobe Steel Apr 2024 Director, General Manager, Planning & Administration Department, Steel & Aluminum Business Division, Kobe Steel Apr 2025 Executive Officer, Wire Rod & Long Products Unit Leader and Plate Unit Leader, Steel & Aluminum Business Division, Kobe Steel (current) Jun 2025 Outside Director, the Company (current)

Apr 1991 Joined Kobe Steel, Ltd. Jan 2003 Chief Staff, Wire Rod Technology Control Office, Wire Rod Department, Kakogawa Works, Kobe Steel Jul 2009 Chief Staff, Wire Rod & Long Products Product Technology Department, Steel Business Division, Kobe Steel Apr 2016 Manager, Wire Rod & Long Products Product Technology Department, Steel Business Division, Kobe Steel Jan 2022 Manager, Wire Rod & Long Products Product Technology Department, concurrently Manager, Wire Rod & Long Products Technology Department, Kakogawa Works, Kobe Steel Oct 2025 Senior Professional, Wire Rod & Long Products Product Technology Department, concurrently Wire Rod & Long Products Technology Department, Kakogawa Works, Kobe Steel (current) Jun 2026 Outside Director, the Company

Apr 1988 Registered with Osaka Bar Association Apr 1995 Opened Takashi Shiono Law Office (now Shiono Miura Law Office) and served as its head Jan 1998 Registered with Kinki Tax Accountants' Association Apr 2003 Member, Suita City Fixed Asset Appraisal Review Committee (later Chairperson) Apr 2005 Visiting Professor, Graduate School of Law and Politics, Osaka University (current) Apr 2011 Member, Suita City Fairness Committee (current Chairperson) Jun 2011 Outside Audit & Supervisory Board Member, the Company Mar 2013 Doctor of Law, Kyoto University Sep 2014 Member, Osakasayama City Development Dispute Mediation Committee (current) Oct 2015 Member, Toyonaka City Information Disclosure and Personal Information Protection Review Board (current Chairperson) Oct 2015 Outside Audit & Supervisory Board Member, Legal Real Estate Co., Ltd. Apr 2016 Part-time Professor, Konan University Law School Jun 2021 Outside Director (Audit and Supervisory Committee Member), the Company (current) Dec 2021 Audit & Supervisory Board Member, Taga Seisakusho Co., Ltd.

Sep 1990 Joined Chuo Shinko Audit Corporation, Osaka Office Apr 1994 Registered as Certified Public Accountant Apr 1997 Registered as Certified Tax Accountant; opened Yoneda CPA Office (current) Aug 1998 Joined Shinyo Audit Corporation Jul 2000 Partner, Shinyo Audit Corporation Jun 2019 Left Shinyo Audit Corporation Jun 2020 Outside Director (Audit and Supervisory Committee Member), Bando Chemical Industries, Ltd. (current) Jun 2020 Outside Audit & Supervisory Board Member, the Company Jun 2021 Outside Director (Audit and Supervisory Committee Member), the Company (current) Jul 2025 Outside Audit & Supervisory Board Member, Rock Field Co., Ltd. (current)