Apr 1979 Joined the Company Apr 2007 Executive Officer, Nagoya Branch Manager Jun 2010 Director, Executive Officer, General Manager of Engineering Division and Manager of Construction Supervision Office, in charge of Safety, Quality and Environment Apr 2012 Director, Managing Executive Officer, General Manager of Engineering Division, in charge of Safety, Quality and Environment Apr 2016 Director, Executive Vice President and Executive Officer, General Manager of Engineering Division, in charge of Safety, Quality and Environment and Overseas Business Jun 2016 Representative Director, Executive Vice President and Executive Officer, General Manager of Engineering Division, in charge of Safety, Quality and Environment and Overseas Business Jun 2018 Representative Director, Executive Vice President and Executive Officer, Assistant to the President, General Manager of Engineering Division, in charge of Overseas Business Apr 2019 Representative Director, Executive Vice President and Executive Officer, Assistant to the President, in charge of Overseas Business Apr 2020 Representative Director, President and Executive Officer, Overall Management Jun 2022 Representative Director, President and Executive Officer, Overall Management Apr 2026 Director, Chairman of the Board (current)

Apr 1982 Joined the Company Apr 2013 Deputy General Manager of Tokyo Civil Engineering Branch, General Manager of Civil Engineering Sales Department and Manager of Ibaraki Sales Office Apr 2014 General Manager, Hiroshima Branch Apr 2017 General Manager, Kyushu Branch Apr 2019 Representative Director, President, Ryoken Kiso Co., Ltd. Apr 2021 Executive Officer, Deputy General Manager of Civil Engineering Division Apr 2022 Executive Officer, Deputy General Manager of Civil Engineering Division, General Manager of Civil Engineering Sales Department and Head of High-Speed Rail Promotion Office Apr 2023 Managing Executive Officer, General Manager of Civil Engineering Division Jun 2023 Director, Managing Executive Officer, General Manager of Civil Engineering Division Jun 2024 Managing Executive Officer, General Manager of Civil Engineering Division Apr 2025 Executive Vice President and Executive Officer, Assistant to the President, General Manager of Civil Engineering Division, in charge of Safety, Quality and Environment Jun 2025 Representative Director, Executive Vice President and Executive Officer, Assistant to the President, General Manager of Civil Engineering Division, in charge of Safety, Quality and Environment Apr 2026 Representative Director, President and Executive Officer, Overall Management (current)

Apr 1985 Joined Taisei Corporation Apr 2006 Manager of Administration Office, Tohoku Branch, Taisei Corporation Jun 2008 General Manager of Business Planning Office, Corporate Planning Department, Office of the President, Taisei Corporation Feb 2010 Head of Cash Management Office, Finance Department, Administration Division, Taisei Corporation Mar 2012 General Manager, Accounting Department, Administration Division, Yuraku Land Co., Ltd. (now Taisei Yuraku Real Estate Co., Ltd.) Apr 2013 General Manager of Administration Department, Shikoku Branch, Taisei Corporation Apr 2016 General Manager of Finance Department, Administration Division, Taisei Corporation Jun 2021 Director, Executive Officer, Deputy Head of Office of the President, Taisei Yuraku Real Estate Co., Ltd. Apr 2022 Director, Managing Executive Officer, Head of Office of the President, Taisei Yuraku Real Estate Co., Ltd. Jan 2024 Advisor to the Company Apr 2024 Executive Officer, Deputy General Manager of Administration Division Jun 2024 Director, Executive Officer, Deputy General Manager of Administration Division Apr 2025 Director, Managing Executive Officer, General Manager of Administration Division, in charge of Sustainability Promotion (current)

Apr 1985 Joined Mitsubishi Metal Corporation (now Mitsubishi Materials Corporation) Jun 2011 Manager of Accounting Office, Accounting and Finance Division, Mitsubishi Materials Corporation Jun 2012 Manager of Treasury Office, Accounting and Finance Division, Mitsubishi Materials Corporation Apr 2013 General Manager of Corporate Planning Department, Business Strategy Division, Mitsubishi Materials Corporation Apr 2016 Executive Officer, General Manager of Corporate Planning Department, Business Strategy Division, Mitsubishi Materials Corporation Jun 2018 Managing Executive Officer, General Manager of Business Strategy Headquarters, Mitsubishi Materials Corporation Apr 2019 Managing Executive Officer, General Manager of Governance Headquarters, Mitsubishi Materials Corporation Jun 2019 Managing Executive Officer, General Manager of Governance Headquarters, Mitsubishi Materials Corporation Apr 2020 Managing Executive Officer, General Manager of Governance Headquarters, in charge of Aluminum and Related Businesses, Mitsubishi Materials Corporation Apr 2021 Director and CEO, Mitsubishi Cement Corporation (U.S.) Apr 2021 Director, President and CEO, MCC Development Co. Oct 2021 President and CEO, Robertson Ready Mix Co. Apr 2022 Managing Executive Officer, General Manager of Administration Division, the Company Jun 2022 Director, Managing Executive Officer, General Manager of Administration Division, the Company Apr 2023 Director, Managing Executive Officer, General Manager of Administration Division, in charge of Corporate Planning and Sustainability Promotion, the Company Apr 2025 Director, Managing Executive Officer, in charge of Corporate Planning and Related Businesses, the Company (current)

Apr 1985 Joined the Company Aug 2008 Head of Architectural Design Center, Architecture Department, West Japan Branch, the Company Apr 2012 General Manager of Architectural Sales Department, Osaka Branch, the Company Apr 2014 General Manager of PC Architecture Department, Osaka Branch, the Company Apr 2016 General Manager of PC Architecture Department, Building Division, the Company Oct 2018 Deputy General Manager of Building Division and General Manager of PC Architecture Department, the Company Apr 2019 Executive Officer, Deputy General Manager of Building Division, the Company Apr 2022 Executive Officer, General Manager of Tokyo Building Branch, the Company Apr 2023 Managing Executive Officer, General Manager of Tokyo Building Branch, the Company Apr 2024 Managing Executive Officer, General Manager of Building Division, the Company Jun 2025 Director, Managing Executive Officer, General Manager of Building Division, the Company (current)

Apr 1986 Joined the Company Apr 2009 General Manager of Civil Engineering Works Department, Tokyo Branch, the Company Apr 2010 General Manager of Engineering Department, Engineering Division, the Company Apr 2015 General Manager of Engineering Department, Engineering Division, the Company Apr 2019 Deputy General Manager of Engineering Division and General Manager of Engineering Department, the Company Jan 2021 General Manager, Tohoku Branch, the Company Apr 2023 Executive Officer, General Manager of Engineering Division, in charge of Safety, Quality and Environment, the Company Apr 2025 Executive Officer, General Manager of Engineering Division and Head of DX Promotion Office, the Company Jun 2025 Director, Executive Officer, General Manager of Engineering Division and Head of DX Promotion Office, the Company Apr 2026 Director, Managing Executive Officer, General Manager of Engineering Division and Head of DX Promotion Office, the Company (current)

Apr 1988 Joined the Company Oct 2013 General Manager of Civil Engineering Department, Osaka Branch (stationed at Kyushu Branch), the Company Apr 2016 General Manager of Civil Engineering Department and Head of Civil Engineering Inspection Office, Osaka Branch, the Company Apr 2018 Deputy General Manager of Osaka Branch, General Manager of Civil Engineering Department and Head of Civil Engineering Inspection Office, the Company Apr 2019 General Manager, Kyushu Branch, the Company Apr 2020 Executive Officer, General Manager, Kyushu Branch, the Company Apr 2021 Executive Officer, General Manager, Nagoya Branch, the Company Apr 2026 Managing Executive Officer, General Manager of Civil Engineering Division, in charge of Safety, Quality and Environment, the Company Jun 2026 Director, Managing Executive Officer, General Manager of Civil Engineering Division, in charge of Safety, Quality and Environment, the Company

Apr 1981 Joined the Company Jan 2006 General Manager of Administration Department, Hiroshima Branch, the Company Apr 2008 General Manager, Hiroshima Branch, the Company Apr 2010 General Manager of Civil Engineering Sales Department, Civil Engineering Division, the Company Jul 2010 Deputy General Manager of Civil Engineering Division and General Manager of Civil Engineering Sales Department, the Company Apr 2014 General Manager, Osaka Branch, the Company Apr 2015 Executive Officer, General Manager, Osaka Branch, the Company Apr 2018 Managing Executive Officer, General Manager, Tokyo Building Branch, the Company Apr 2020 Managing Executive Officer, in charge of Corporate Planning and Deputy General Manager of Building Division, the Company Apr 2022 Managing Executive Officer, in charge of Corporate Planning and Sustainability Promotion, the Company Apr 2023 Executive Vice President and Executive Officer, Assistant to the President, in charge of Domestic Subsidiaries and Overseas Business, the Company Jun 2023 Representative Director, Executive Vice President and Executive Officer, Assistant to the President, in charge of Domestic Subsidiaries and Overseas Business, the Company Apr 2025 Director, the Company Jun 2025 Special Advisor, the Company Jun 2026 Full-time Corporate Auditor, the Company

Apr 1986 Joined Taisei Corporation Apr 2010 Head of Accounting Office, Accounting Department, Administration Division, Taisei Corporation Apr 2015 General Manager of Administration Department, Nagoya Branch, Taisei Corporation Apr 2017 General Manager of Administration Department, Tokyo Branch, Taisei Corporation Apr 2019 General Manager of Corporate Planning Department, Office of the President, Taisei Corporation Apr 2021 Executive Officer, Deputy Head of Office of the President, General Manager of Corporate Planning Department and General Manager of New Business Planning Department, Taisei Corporation Apr 2024 Managing Executive Officer, Deputy Head of Office of the President, General Manager of Corporate Planning Department and General Manager of New Business Planning Department, Taisei Corporation Jun 2024 Director, the Company (current) Jan 2025 Managing Executive Officer, Deputy Head of Office of the President and General Manager of New Business Planning Department, Taisei Corporation Apr 2025 Managing Executive Officer, Head of Office of the President and General Manager of New Business Planning Department, Taisei Corporation (current)

Apr 1986 Joined Mitsubishi Mining Cement Co., Ltd. (now Mitsubishi Materials Corporation) Jun 2012 General Manager of Accounting Office, Accounting and Finance Department, Mitsubishi Materials Corporation Apr 2016 General Manager of Accounting and Finance Department, Mitsubishi Materials Corporation Jun 2016 General Manager of Accounting and Finance Department and Manager of Treasury Office, Mitsubishi Materials Corporation Apr 2017 Director, Mitsubishi Cement Corporation (U.S.) Apr 2017 Director, MCC Development Co. Apr 2018 Executive Officer, General Manager of Corporate Planning Department, Business Strategy Division, Mitsubishi Materials Corporation Apr 2021 Executive Officer, Vice President of Cement Business Company, Mitsubishi Materials Corporation Jun 2021 Outside Director, the Company (current) Apr 2022 Managing Executive Officer, UBE-Mitsubishi Cement Corporation (current)

Apr 1995 Registered as attorney-at-law Apr 1995 Joined Okinobu, Ishihara & Kiyo Law Office (now Spring Law Office) Aug 2002 Joined Freshfields Bruckhaus Deringer Law Office Aug 2006 Joined Linklaters Gaikokuho Kyodo Jigyo Law Office Feb 2012 Managing Partner, Fiore International Law Office May 2017 Joined Pavia e Ansaldo Foreign Law Office May 2020 Managing Partner, PeA Law Office (current) Dec 2020 Outside Corporate Auditor, Open House Co., Ltd. (now Open House Group Co., Ltd.) Jun 2021 Outside Director, the Company (current) Jun 2025 Outside Director, Janome Co., Ltd. (current)

Apr 1984 Joined Nihon Cement Co., Ltd. (now Taiheiyo Cement Corporation) Apr 2012 General Manager of Cement Sales Department, Chugoku Branch, Taiheiyo Cement Corporation Apr 2017 General Manager, Kansai-Shikoku Branch, Taiheiyo Cement Corporation Apr 2019 Executive Officer, General Manager of Cement Sales Department, Cement Business Division, Taiheiyo Cement Corporation Apr 2023 Managing Executive Officer, General Manager of Cement Business Division and General Manager of Cement Sales Department, Taiheiyo Cement Corporation Jun 2023 Outside Director, the Company (current) Apr 2024 Managing Executive Officer, General Manager of Cement Business Division, Taiheiyo Cement Corporation Apr 2025 Senior Managing Executive Officer, General Manager of Cement Business Division, Taiheiyo Cement Corporation Jun 2025 Director, Senior Managing Executive Officer, General Manager of Cement Business Division, Taiheiyo Cement Corporation (current)

Apr 1989 Joined Sumitomo Electric Industries, Ltd. Sep 2009 Deputy General Manager and Sales Department Manager, Suzuki Sumiden Steel Wire Products (Guangzhou) Co., Ltd. Jun 2018 General Manager of Procurement Department and Chief Coordinator of Materials Department, Specialty Wire Business Division, Sumitomo Electric Industries, Ltd.; Director, Precision Wire Sales Department, Sumitomo Electric Steel Wire Co., Ltd. Apr 2019 General Manager of Operations Department and General Manager of Procurement Department, Specialty Wire Business Division, Sumitomo Electric Industries, Ltd. Jul 2021 General Manager, Specialty Wire Business Division, Sumitomo Electric Industries, Ltd. Jun 2023 Outside Director, the Company (current) Jun 2023 Executive Officer, General Manager, Specialty Wire Business Division, Sumitomo Electric Industries, Ltd. Jun 2024 Managing Executive Officer, General Manager, Specialty Wire Business Division, Sumitomo Electric Industries, Ltd. (current)

Apr 1989 Joined Mitsubishi Trust and Banking Corporation (now Mitsubishi UFJ Trust and Banking Corporation) May 2012 General Manager, Sales Department No. 6, Mitsubishi Trust and Banking Corporation Jun 2013 General Manager, Sales Development Department, Mitsubishi Trust and Banking Corporation May 2014 General Manager, Asset Finance Department No. 1, Mitsubishi Trust and Banking Corporation Jun 2016 Executive Officer, General Manager, Sales Department No. 4, Mitsubishi UFJ Trust and Banking Corporation Apr 2018 Executive Officer, General Manager, Sales Department No. 11, Third Sales Division, MUFG Bank, Ltd. Apr 2020 Executive Officer, General Manager, Financial Institutions Department, Mitsubishi UFJ Trust and Banking Corporation Apr 2022 Representative Director and President, M.U. Trust Real Estate Management Co., Ltd. Apr 2024 Advisor, M.U. Trust Real Estate Management Co., Ltd. Jun 2024 Outside Corporate Auditor, the Company (current)

Apr 1988 Joined Taisei Corporation Jan 2010 General Manager of Legal Affairs Office, Legal Affairs Department, Administration Division, Taisei Corporation Mar 2020 General Manager of Legal Affairs Department, Administration Division, Taisei Corporation Apr 2021 General Manager of Audit Business Department, Taisei Corporation Jun 2024 Corporate Auditor, the Company Jun 2025 Outside Corporate Auditor, the Company (current)