Apr 1985 Joined the Company Dec 2009 Deputy General Manager, Manufacturing Department, Manufacturing Division Dec 2012 General Manager, Manufacturing Department, Manufacturing Division Nov 2015 General Manager, Manufacturing Department, Manufacturing Division; General Manager, Environmental Business Division Jun 2017 Executive Officer Jun 2017 Deputy General Manager, Manufacturing Division; General Manager, Construction Department; General Manager, Environmental Business Division Jul 2019 General Manager, Business Process Reform Promotion Department Jun 2020 Director Jun 2020 Senior Executive Officer Jun 2020 In charge of Manufacturing and Construction Jun 2021 In charge of Occupational Safety and Health Jun 2025 Representative Director, President of the Company (current)

Apr 1975 Joined the Company Dec 2004 Deputy General Manager, Quality Control Office, Manufacturing Division; Chief, Inspection and Analysis Section Dec 2006 Deputy General Manager, Quality Control Office, Manufacturing Division; Chief, Quality Assurance Section; Chief, Inspection and Analysis Section Dec 2007 Acting Manager, Quality Control Office, Manufacturing Division; Chief, Quality Assurance Section; Chief, Inspection and Analysis Section Jul 2008 General Manager, Quality Control Office, Manufacturing Division; Chief, Quality Assurance Section; Chief, Inspection and Analysis Section Apr 2009 General Manager, Quality Control Office; Chief, Quality Assurance Section Jun 2012 Executive Officer; General Manager, Quality Control Office Jun 2014 Senior Executive Officer Jun 2014 General Manager, Quality Control Office; General Manager, Environmental Management Office Jul 2016 General Manager, Quality and Environmental Management Office Sep 2016 General Manager, Quality and Environmental Management Office; General Manager, Technology Development Office; Chief, Dry Smelting Development Section Jun 2017 Director of the Company Jun 2017 In charge of Occupational Safety and Health, Quality and Environmental Management Jun 2017 General Manager, Technology Development Office Jul 2019 In charge of Occupational Safety and Health, Resources and Technology Development Projects Jul 2019 General Manager, Quality and Environmental Management Department Jun 2020 Managing Executive Officer Jun 2020 In charge of Management Planning Jun 2021 Senior Managing Executive Officer (current) Jun 2021 Assistant to the President (current) Jun 2021 In charge of Recycling Business Apr 2023 In charge of Recycling Business Development Jul 2024 General Manager, Recycling Business Development Department Jun 2025 In charge of Special Projects (current)

Apr 1988 Joined the Company Oct 2010 Deputy General Manager, Second Sales Department Dec 2011 Deputy General Manager, First Sales Department Dec 2012 Acting Manager, First Sales Department Jun 2014 Executive Officer Jun 2014 General Manager, First Sales Department Jun 2017 Senior Executive Officer Jun 2018 Director of the Company (current) Jun 2018 In charge of Sales Jul 2019 General Manager, Sales Department (current) Jun 2020 In charge of Procurement (current) Jun 2021 Managing Executive Officer (current) Jun 2026 Supervising Electric Power Business (current)

Apr 1988 Joined the Company Dec 2010 Deputy General Manager, Accounting Department Dec 2013 Acting Manager, Accounting Department Jun 2014 General Manager, Accounting Department Jun 2017 Executive Officer Jun 2018 Director of the Company (current) Jun 2018 Senior Executive Officer Jun 2020 In charge of IR (current) Jun 2021 Managing Executive Officer (current) Jun 2021 In charge of Internal Control, General Affairs and Accounting (current) Jun 2021 General Manager, Human Resources Department Jun 2025 In charge of Human Resources (current)

Apr 1963 Joined the Company Dec 1995 Deputy General Manager, General Affairs Department, Hachinohe Smelting Works; Chief, Accounting Section Jul 1999 Deputy General Manager, Accounting Department; Chief, Finance and Planning Section Apr 2003 Senior Manager, Accounting Department Jun 2003 Audit & Supervisory Board Member of the Company Jun 2005 Standing Audit & Supervisory Board Member (current)

Apr 1991 Joined Nomura Securities Co., Ltd. Jan 2005 Director, Corporate Tune Co., Ltd. Jun 2005 Full-time Outside Audit & Supervisory Board Member, United Arrows Ltd. Jun 2008 Outside Audit & Supervisory Board Member, ReproCELL Inc. Sep 2013 Outside Audit & Supervisory Board Member, Beauty Kahdan Co., Ltd. Jun 2016 Outside Director (Full-time Audit and Supervisory Committee Member), United Arrows Ltd. Oct 2017 Outside Director (Audit and Supervisory Committee Member), T-Life Co., Ltd. Mar 2019 Outside Director (Audit and Supervisory Committee Member), Uzabase, Inc. Jun 2021 Director of the Company (current) Jun 2022 Outside Director, Toyo Kanetsu K.K. Jun 2025 Outside Director (Audit and Supervisory Committee Member), Toyo Kanetsu K.K. (current) Jun 2026 Outside Director, Ichiyoshi Securities Co., Ltd. (current)

Apr 1984 Registered as Attorney-at-Law; joined Nishimura & Partners (formerly Nishimura Sanada) Law Office Sep 1989 Joined Hughes Hubbard & Reed LLP Feb 1990 Registered as Attorney-at-Law, State of New York Jan 1996 General Counsel, Merrill Lynch Japan Securities Co., Ltd. (now BofA Securities Japan Co., Ltd.) Dec 2001 Director, Merrill Lynch Japan Securities Co., Ltd. Jun 2019 Senior Advisor, Masuda & Partners Law Office Mar 2025 Representative, Masato Amano International Law Office (current) Mar 2025 Representative Director, Stark Advisory Inc. (current) Jun 2025 Director of the Company (current)

Apr 1985 Joined Hokkaido Tohoku Development Corporation Jun 2009 General Manager, Credit Decision Department, Development Bank of Japan Inc. Jun 2010 Representative Director, Executive Vice President, Shin-Mutsu Ogawara Co., Ltd. Jun 2012 Senior Manager, Credit Review Department, Development Bank of Japan Inc.; in charge of Credit Evaluation Jun 2014 General Manager, Planning and Research Department, Tomakomai Port Development Co., Ltd. Jun 2015 Director; General Manager, Terminal Business Division and Planning and Research Department, Tomakomai Port Development Co., Ltd. Jun 2019 Managing Director; General Manager, Terminal Business Division and Planning and Research Department, Tomakomai Port Development Co., Ltd. Jun 2021 Managing Director, Hokkaido Tohoku Regional Economic Research Institute (General Incorporated Foundation) Apr 2023 Senior Principal Researcher, Public Design Division, Japan Economic Research Institute Inc. Jun 2023 Audit & Supervisory Board Member of the Company (current) Apr 2026 Chief Researcher, Regional Division, Japan Economic Research Institute Inc. (current)

Apr 1983 Joined Fuji Bank, Ltd. Oct 2005 Examiner, First Credit Examination Department, Mizuho Bank, Ltd. Jan 2008 Deputy General Manager, First Corporate Credit Examination Department, Mizuho Bank, Ltd. May 2011 General Manager, Division, Mizuho Real Estate Research Service Co., Ltd.; Executive Officer Apr 2018 Executive Officer, Shonai Bank, Ltd. Apr 2020 Director and Executive Officer, Shonai Bank, Ltd. Apr 2021 Director and Executive Officer; General Manager, Management Administration Department, Shonai Bank, Ltd. Jun 2023 Outside Audit & Supervisory Board Member, J-WAVE Inc. (current) Jun 2024 Audit & Supervisory Board Member of the Company (current)

Apr 1985 Joined Kyowa Bank, Ltd. Feb 2004 Branch Manager, Kita-Narashino Branch, Resona Bank, Ltd. Apr 2009 General Manager, Operations Reform Department, Resona Bank, Ltd. Apr 2009 General Manager, Operations Reform Department, Resona Holdings, Inc. Apr 2014 Full-time Audit & Supervisory Board Member, Resona Bank, Ltd. Apr 2018 Senior Managing Director, Resona Business Service Co., Ltd. Apr 2022 Advisor, Resona Business Service Co., Ltd. Jun 2022 Outside Director (Full-time Audit and Supervisory Committee Member), Inaba Denki Sangyo Co., Ltd. (current) Jun 2026 Audit & Supervisory Board Member of the Company (current)