Apr 1985 Joined Daido Steel Co., Ltd. Jun 2009 General Manager, Stainless Steel Sales Department, Stainless & Tool Steel Business Division, Daido Steel Co., Ltd. Apr 2012 General Manager, Nagoya Sales Department, Special Steel Bar & Wire Business Division, Special Steel Products Division, Daido Steel Co., Ltd. Jun 2015 General Manager, Nagoya Sales Department, Automotive Business Unit, and Executive Officer, General Manager, Related Business Division, Daido Steel Co., Ltd. Apr 2017 Executive Officer, General Manager, General Affairs Department, Daido Steel Co., Ltd. Apr 2019 Managing Executive Officer, General Manager, General Affairs Department, Daido Steel Co., Ltd. Apr 2020 Director, Managing Executive Officer, Daido Steel Co., Ltd. Jun 2020 Representative Director, Senior Managing Executive Officer, Daido Steel Co., Ltd. Apr 2022 Representative Director, President, the Company (current)

Apr 1986 Joined the Company Apr 2014 General Manager, Hirakata Steel Wire Manufacturing Department, the Company Apr 2018 Executive Officer, Deputy Plant Manager, Hirakata Plant, and General Manager, Hirakata Steel Wire Manufacturing Department, the Company Apr 2021 Executive Officer, Plant Manager, Hirakata Plant, the Company Apr 2023 Managing Executive Officer, Plant Manager, Hirakata Plant (in charge of steel wire manufacturing; in charge of Research & Development and Customer Service Departments), the Company Apr 2025 Managing Executive Officer, in charge of Administrative Division (General Affairs, Research & Development and ESG Promotion Departments; Compliance & Risk Management; Sustainability), the Company Jun 2025 Director, Managing Executive Officer, in charge of Administrative Division (General Affairs, Research & Development and ESG Promotion Departments; Compliance & Risk Management; Sustainability), the Company (current)

Apr 1987 Joined the Company Apr 2008 Seconded to THAI SEISEN CO., LTD. (remaining on the Company payroll) Mar 2011 President and Representative Director, THAI SEISEN CO., LTD. (seconded) Apr 2013 General Manager, Overseas Division, the Company Apr 2019 Executive Officer, General Manager, Overseas Division, the Company Apr 2020 Executive Officer, General Manager, Tokyo Branch, the Company Apr 2024 Managing Executive Officer, in charge of Steel Wire Sales Division and Sales Coordination Department, the Company Jun 2025 Director, Managing Executive Officer, in charge of Steel Wire Sales Division and Sales Coordination Department, the Company (current)

Apr 1983 Joined Burroughs K.K. Apr 1988 Joined Moroccan National Tourist Office Apr 1997 Registered as attorney-at-law; joined Daisui Law Office Apr 2012 Partner, Daisui Sogo Law Office Jun 2018 Counsel, TMI Associates Osaka Office (current) Jun 2019 Audit & Supervisory Board Member (Outside), Maruichi Steel Tube Ltd. (current) Apr 2023 Obtained Certified Fraud Examiner (CFE) qualification Jun 2022 Director (Outside), the Company (current) Jun 2024 Audit & Supervisory Board Member (Outside), Nihon Trim Co., Ltd.

Apr 1980 Joined The Industrial Bank of Japan, Limited Apr 2008 Executive Officer, General Manager, Nagoya Business Division, Mizuho Corporate Bank, Ltd. Apr 2010 Managing Executive Officer, Mizuho Corporate Bank, Ltd. Apr 2013 Deputy President, Executive Officer, Mizuho Financial Group, Inc. Jul 2013 Deputy President, Executive Officer, Mizuho Bank, Ltd. Apr 2014 Director and Deputy President, Mizuho Corporate Bank, Ltd. Apr 2016 Director and Deputy President, Mizuho Bank, Ltd. Jun 2018 Director, Deputy President and Executive Officer, Mizuho Securities Co., Ltd. Apr 2019 Chairman, Director, Mizuho Securities Co., Ltd. Apr 2023 Director, Deputy President and Executive Officer, in charge of Business Promotion Division, Nippon Steel Kowa Real Estate Co., Ltd. Jun 2023 Representative Director, President and Chief Executive Officer, Nippon Steel Kowa Real Estate Co., Ltd. Jun 2024 Director, Advisor, Nippon Steel Kowa Real Estate Co., Ltd. Jul 2024 Advisor, Nippon Steel Kowa Real Estate Co., Ltd. Director (Outside), the Company (current) Director (Outside), Nipro Corporation (current) Director (Outside), Kozo Keikaku Engineering Holdings Inc. (current)

Apr 1980 Joined Toray Industries, Inc. Apr 2009 General Manager, Engineering Department No. 1, Toray Industries, Inc. Jun 2014 Representative Director, President, Toray Precision Co., Ltd. Jun 2016 Director, in charge of Information Systems Division, General Manager, Engineering Division, Toray Industries, Inc. Jun 2018 Managing Director, in charge of Information Systems, Purchasing and Logistics Divisions, General Manager, Engineering Division, Toray Industries, Inc. Jun 2020 Advisor, Engineering Division, Toray Industries, Inc.; Representative Director, Chairman, Toray Engineering Co., Ltd. Jun 2023 Advisor (part-time), Toray Engineering Co., Ltd. Jun 2024 Director (Outside), the Company (current)

Jan 1995 Joined Asahi Kogyo Co., Ltd. Jun 1998 Managing Director, Asahi Kogyo Co., Ltd. Jun 2007 Senior Managing Director, Asahi Kogyo Co., Ltd. Jun 2008 Representative Director, President, Asahi Kogyo Co., Ltd. Jun 2024 Representative Director, Chairman, Asahi Kogyo Co., Ltd. (current) Jun 2025 Director (Outside), the Company (current)

Apr 1986 Joined the Company Apr 2015 Chief Staff Member, Accounting Department, the Company Apr 2016 Chief Staff Member, Internal Audit Office, the Company Apr 2019 General Manager, Internal Audit Office, the Company Jun 2023 Full-time Audit & Supervisory Board Member, the Company (current)

Apr 1989 Joined Daido Steel Co., Ltd. Feb 2013 Deputy Plant Manager, Shibukawa Plant, Forged Steel Products Business Division, Forging Products Division, Daido Steel Co., Ltd. Apr 2017 General Manager, Tokyo Sales Department, Automotive Business Unit, Daido Steel Co., Ltd. Apr 2020 General Manager, Corporate Risk Management (CRM) Department, Daido Steel Co., Ltd. May 2024 Chief Staff Member, Accounting Department, the Company (seconded from Daido Steel Co., Ltd.) Jun 2024 Full-time Audit & Supervisory Board Member, the Company (current) Part-time Audit & Supervisory Board Member, Nissei Techno Co., Ltd. (current)

Apr 1990 Joined Iwatani Corporation Jun 2009 Executive Officer, Iwatani Corporation Apr 2011 Deputy General Manager, General Energy Division (in charge of Eastern Region), Director, Iwatani Corporation Jun 2011 Managing Director, Iwatani Corporation Apr 2015 Director, Senior Managing Executive Officer, Iwatani Corporation Apr 2019 Audit & Supervisory Board Member, Iwatani Corporation (current) Jun 2022 Part-time Audit & Supervisory Board Member, Central Petroleum & Gas Co., Ltd. (current) Jun 2023 Audit & Supervisory Board Member (Outside), the Company (current)

Oct 2006 Joined Nippon Yakin Kogyo Co., Ltd. General Manager, General Affairs Department, YAKIN Oeyama Co., Ltd. Apr 2011 General Manager, General Affairs Department, Kawasaki Works, Nippon Yakin Kogyo Co., Ltd. Jun 2012 General Manager, General Affairs Department, Nippon Yakin Kogyo Co., Ltd. Jun 2013 Executive Officer, General Manager, General Affairs Department, Nippon Yakin Kogyo Co., Ltd. Jun 2018 Managing Director, Nas Create Co., Ltd. Jun 2019 Representative Director, President, Nas Create Co., Ltd. Jun 2021 Managing Director, Nas Bussan Co., Ltd. Jun 2025 Senior Managing Director, Nas Bussan Co., Ltd. Audit & Supervisory Board Member (Outside), the Company (current)