Apr 1979 Joined Nippon Steel Corporation Apr 2009 Executive Officer, General Manager of Heavy Plate Business Division and General Manager of Construction Materials Business Division, Nippon Steel Corporation Apr 2011 Executive Officer, Nippon Steel Corporation Oct 2012 Executive Officer, the Company Apr 2013 Managing Executive Officer, the Company Jul 2015 Managing Executive Officer, Deputy General Manager of Global Business Development Headquarters, and Usiminas Project Leader, the Company Apr 2016 Senior Managing Executive Officer, General Manager of Global Business Development Headquarters, the Company Jun 2016 Representative Director, Executive Vice President, General Manager of Global Business Development Headquarters, the Company Apr 2019 Representative Director, President, the Company Apr 2024 Representative Director, Chairman and CEO, the Company (current)

Apr 1988 Joined Nippon Steel Corporation Apr 2016 Executive Officer, General Manager of Nagoya Works, the Company Apr 2019 Managing Executive Officer, the Company Jun 2020 Senior Managing Director, the Company Apr 2021 Senior Managing Director, Sub-Leader of Zero-Carbon Steel Project and Sub-Leader of Next-Generation Hot Rolling Project, the Company Feb 2022 Senior Managing Director, Project Leader of Thailand Integrated Steelworks Project, Sub-Leader of Zero-Carbon Steel Project and Sub-Leader of Next-Generation Hot Rolling Project, the Company Apr 2022 Senior Managing Director, Project Leader of Thailand Integrated Steelworks Project, Deputy General Manager of Green Transformation Promotion Headquarters, and Sub-Leader of Next-Generation Hot Rolling Project, the Company Apr 2023 Representative Director, Executive Vice President, General Manager of Green Transformation Promotion Headquarters, and Sub-Leader of Next-Generation Hot Rolling Project, the Company Jun 2023 Representative Director, Executive Vice President, General Manager of Green Transformation Promotion Headquarters, Project Leader of Electric Furnace Process Promotion Project, and Sub-Leader of Next-Generation Hot Rolling Project, the Company Apr 2024 Representative Director, President and COO, the Company (current)

Apr 1983 Joined Nippon Steel Corporation Apr 2021 Executive Vice President, General Manager of Global Business Development Headquarters, and Project Leader of India Integrated Steelworks Project, the Company Jun 2021 Representative Director, Executive Vice President, General Manager of Global Business Development Headquarters, and Project Leader of India Integrated Steelworks Project, the Company Apr 2023 Representative Director, Executive Vice President, General Manager of Global Business Development Headquarters, and Project Leader of India Project, the Company Apr 2024 Representative Director, Vice Chairman and Executive Vice President, General Manager of Global Business Development Headquarters, Project Leader of India Project, and Project Leader of USS Project, the Company Apr 2026 Representative Director, Vice Chairman and Executive Vice President, General Manager of Global Business Development Headquarters, Project Leader of India Project, Project Leader of Thailand Project, and Project Leader of USS Project, the Company (current)

Apr 1983 Joined Nippon Steel Corporation Apr 2021 Executive Vice President, Project Leader of Next-Generation Hot Rolling Project, and Sub-Leader of India Integrated Steelworks Project, Global Business Development Headquarters, the Company Jun 2021 Representative Director, Executive Vice President, Project Leader of Next-Generation Hot Rolling Project, and Sub-Leader of India Integrated Steelworks Project, Global Business Development Headquarters, the Company Apr 2022 Representative Director, Executive Vice President, Project Leader of Next-Generation Hot Rolling Project, Project Leader of Ironmaking Stabilization Project, and Sub-Leader of India Integrated Steelworks Project, Global Business Development Headquarters, the Company Apr 2023 Representative Director, Executive Vice President, Project Leader of Next-Generation Hot Rolling Project, Project Leader of Ironmaking Stabilization Project, and Sub-Leader of India Project, Global Business Development Headquarters, the Company Apr 2024 Representative Director, Executive Vice President, Sub-Leader of India Project, Sub-Leader of Thailand Integrated Steelworks Project, Global Business Development Headquarters, and Sub-Leader of USS Project, the Company Apr 2026 Representative Director, Executive Vice President, Sub-Leader of India Project, Sub-Leader of Thailand Project, Global Business Development Headquarters, and Sub-Leader of USS Project, the Company (current)

Apr 1986 Joined Nippon Steel Corporation Apr 2021 Managing Executive Officer, General Manager of Sheet Products Business Division, Project Leader of Shanghai Baoshan Cold Rolling and CGL Project, Global Business Development Headquarters, and Sub-Leader of Next-Generation Hot Rolling Project, the Company Apr 2022 Executive Vice President, General Manager of Sheet Products Business Division, and Sub-Leader of Next-Generation Hot Rolling Project, the Company Jun 2022 Representative Director, Executive Vice President, General Manager of Sheet Products Business Division, and Sub-Leader of Next-Generation Hot Rolling Project, the Company Apr 2023 Representative Director, Executive Vice President, and Sub-Leader of Next-Generation Hot Rolling Project, the Company Jan 2024 Representative Director, Executive Vice President, General Manager of Steel Pipe Business Division, and Sub-Leader of Next-Generation Hot Rolling Project, the Company Apr 2024 Representative Director, Executive Vice President, and Sub-Leader of Next-Generation Hot Rolling Project, the Company Jun 2025 Representative Director, Executive Vice President, Sub-Leader of USS Project, and Sub-Leader of Next-Generation Hot Rolling Project, the Company (current)

Jul 1987 Joined Nippon Steel Corporation Apr 2019 Executive Officer, General Manager of Corporate Planning Department, the Company Apr 2021 Managing Executive Officer, the Company Apr 2022 Managing Executive Officer, Deputy General Manager of Green Transformation Promotion Headquarters, the Company Apr 2023 Executive Vice President, the Company Jun 2023 Representative Director, Executive Vice President, the Company Jun 2025 Representative Director, Executive Vice President, Sub-Leader of USS Project, the Company (current)

Apr 1989 Joined Nippon Steel Corporation Apr 2021 Managing Executive Officer, General Manager of Muroran Works, the Company Apr 2022 Managing Executive Officer, the Company Apr 2023 Managing Executive Officer, Sub-Leader of Thailand Integrated Steelworks Project, Global Business Development Headquarters, the Company Apr 2024 Executive Vice President, Project Leader of Next-Generation Hot Rolling Project, and Project Leader of Electric Furnace Project, the Company Jun 2024 Representative Director, Executive Vice President, Project Leader of Next-Generation Hot Rolling Project, and Project Leader of Electric Furnace Project, the Company Jun 2025 Representative Director, Executive Vice President, Sub-Leader of USS Project, Project Leader of Next-Generation Hot Rolling Project, and Project Leader of Electric Furnace Project, the Company (current)

Apr 1989 Joined Nippon Steel Corporation Apr 2021 Managing Executive Officer, General Manager of Steel Research Laboratories, Technology Development Headquarters, the Company Apr 2024 Senior Executive Officer, General Manager of Steel Research Laboratories, Technology Development Headquarters, the Company Apr 2025 Executive Vice President, General Manager of Technology Development Headquarters, the Company Jun 2025 Representative Director, Executive Vice President, General Manager of Technology Development Headquarters, and Sub-Leader of USS Project, the Company (current)

Apr 1978 Joined Nippon Telegraph and Telephone Public Corporation Apr 1985 Joined Nippon Telegraph and Telephone Corporation (now NTT, Inc.) Jun 2008 Director, General Manager of Corporate Planning Department, NTT Communications Corporation (now NTT Docomo Business, Inc.) Jun 2011 Senior Managing Director, General Manager of Corporate Planning Department, NTT Communications Corporation Jun 2012 Representative Director, Executive Vice President, General Manager of Corporate Planning Department, NTT Communications Corporation Jun 2013 Representative Director, Executive Vice President, NTT Communications Corporation Jun 2014 Representative Director, Executive Vice President, Nippon Telegraph and Telephone Corporation Jun 2018 Representative Director, President, Nippon Telegraph and Telephone Corporation Jun 2020 Representative Director, President and Chief Executive Officer, Nippon Telegraph and Telephone Corporation Jun 2022 Representative Director, Chairman, Nippon Telegraph and Telephone Corporation Jun 2024 Director, Chairman, Nippon Telegraph and Telephone Corporation Jun 2026 Outside Director, the Company (current)

Apr 1979 Joined Takashimaya Company, Limited May 2013 Director, Takashimaya Company, Limited Sep 2013 Representative Director, Senior Managing Executive Officer, General Manager of Planning Headquarters (Head of Reform Promotion Headquarters), Takashimaya Company, Limited Mar 2014 Representative Director, Senior Managing Executive Officer, General Manager of Sales Headquarters, Takashimaya Company, Limited Mar 2016 Director, Takashimaya Company, Limited May 2016 Advisor, Takashimaya Company, Limited Mar 2020 Counselor, Takashimaya Company, Limited (retired Mar 2021) Jun 2026 Outside Director, the Company (current)

Apr 1987 Joined Nippon Steel Corporation Apr 2021 Managing Executive Officer, General Manager of General Affairs Department, the Company Apr 2023 Managing Executive Officer, the Company Apr 2024 Executive Officer, Assistant to the President, the Company Jun 2024 Director, Full-time Standing Audit and Supervisory Committee Member, the Company (current)

Apr 1993 Joined Nippon Steel Corporation Apr 2020 General Manager of General Affairs Department, Setouchi Works, the Company Apr 2022 Deputy General Manager of General Affairs Department, the Company Apr 2023 General Manager of General Affairs Department, the Company Apr 2024 Executive Officer, General Manager of General Affairs Department, the Company Apr 2026 Executive Officer, Assistant to the President, the Company Jun 2026 Director, Full-time Audit and Supervisory Committee Member, the Company (current)

Apr 1979 Joined Ministry of Foreign Affairs of Japan Jul 2008 Deputy Director-General, Bureau of Central and South American Affairs, and Deputy Director-General, Bureau of Economic Affairs, Ministry of Foreign Affairs of Japan Jan 2011 Deputy Director-General for Global Issues, Ministry of Foreign Affairs of Japan Sep 2012 Director-General, Bureau of Global Affairs, Ministry of Foreign Affairs of Japan Nov 2015 Ambassador Extraordinary and Plenipotentiary to India Jan 2016 Ambassador Extraordinary and Plenipotentiary to India, concurrently Ambassador Extraordinary and Plenipotentiary to Bhutan Sep 2019 Ambassador Extraordinary and Plenipotentiary to Spain (retired Nov 2022) Dec 2022 Chairman, Institute for International Strategy, Japan Research Institute, Limited Jun 2024 Outside Director, Audit and Supervisory Committee Member, the Company (current)

Apr 1981 Joined Citibank, N.A., Tokyo Branch Oct 1985 Joined Aoyama Audit Corporation Mar 1989 Registered as Certified Public Accountant Jul 2001 Senior Partner, Chuo Aoyama PricewaterhouseCoopers Sep 2006 Senior Partner, Arata Audit Corporation (now PwC Japan LLC) Jul 2016 Chairperson, Japanese Institute of Certified Public Accountants Jul 2019 Senior Advisor, Japanese Institute of Certified Public Accountants Sep 2020 Professor, Waseda University Faculty of Commerce Jun 2024 Outside Director, Audit and Supervisory Committee Member, the Company (current)

Apr 1994 Joined Tokyo Electric Power Company (resigned Dec 2011) Jan 2012 Director and Senior Researcher, National Institute for Environmental Studies (NPO) Apr 2016 Visiting Professor, University of Tsukuba (retired Mar 2018) Apr 2018 Visiting Professor, Kansai University (retired Mar 2020) Oct 2018 Co-Representative, U3 Innovations LLC Apr 2020 Specially Appointed Professor, Tohoku University Jun 2024 Outside Director, Audit and Supervisory Committee Member, the Company (current)