Apr 1983 Joined Chodai Bridge Design Center Co., Ltd. (now Chodai Co., Ltd.) Dec 2010 Director, Senior Executive Officer, General Manager of Structural Business Unit, Chodai Co., Ltd. Dec 2014 Director, Managing Executive Officer, General Manager of Structural Business Unit, Chodai Co., Ltd. Dec 2016 Director, Managing Executive Officer, General Manager of Overseas Business Unit, Chodai Co., Ltd. Dec 2018 Director, Senior Managing Executive Officer, General Manager of Overseas Business Unit, Chodai Co., Ltd. Oct 2021 Vice President and Director, the Company Dec 2021 Representative Director, President, Supreme Executive Officer, Chodai Co., Ltd. Dec 2024 Representative Director, Vice President, the Company Dec 2025 Representative Director, President, the Company (current)

Sep 1990 Joined Chodai Co., Ltd. Oct 2010 Executive Officer, General Manager of East Japan Smart Community Business Division, Chodai Co., Ltd. Oct 2013 Executive Officer, General Manager of Social and Environmental Business Division, Chodai Co., Ltd. Oct 2014 Executive Officer, Deputy General Manager of Social Business Unit, Chodai Co., Ltd. Feb 2016 Director, Kiso-Jiban Consultants Co., Ltd. (current) Oct 2016 Executive Officer, Deputy General Manager of Administration Unit, Chodai Co., Ltd. Dec 2016 Director, Senior Executive Officer, General Manager of Corporate Planning Unit, Chodai Co., Ltd. Dec 2020 Director, Managing Executive Officer, General Manager of Corporate Planning Unit, Chodai Co., Ltd. Oct 2021 Director, Managing Executive Officer, in charge of Corporate Planning, Chodai Co., Ltd. Oct 2021 Managing Director, in charge of Corporate Planning, the Company Nov 2021 Director, Chodai Tech Co., Ltd. (current) Nov 2021 Director, Junpuro Co., Ltd. (current) Dec 2021 Director, Managing Executive Officer, in charge of Corporate Planning, Chodai Co., Ltd. Oct 2025 Director, Executive Vice President, Executive Vice President Officer in charge of Corporate Planning and General Manager of Business Strategy Promotion Unit, Chodai Co., Ltd. (current) Dec 2025 Director, Executive Vice President, in charge of Corporate Planning, the Company (current)

Apr 1994 Joined Kiso-Jiban Consultants Co., Ltd. Oct 2019 Executive Officer, General Manager of China Branch, Kiso-Jiban Consultants Co., Ltd. Oct 2021 Executive Officer, General Manager of Sales Unit, Kiso-Jiban Consultants Co., Ltd. Dec 2021 Director, Executive Officer, General Manager of Sales Unit, Kiso-Jiban Consultants Co., Ltd. Oct 2024 Director, Executive Officer, Executive Vice President, Kiso-Jiban Consultants Co., Ltd. Dec 2024 Representative Director, President, Chief Executive Officer, Kiso-Jiban Consultants Co., Ltd. (current) Dec 2024 Director, Vice President, the Company Dec 2025 Director, Executive Vice President, in charge of Sales Strategy, the Company (current)

Apr 1997 Joined Obunsha Co., Ltd. Mar 2004 Joined Macquarie Japan Co., Ltd. Apr 2008 Transferred to Macquarie Capital Securities Ltd. Nov 2009 Joined Chodai Co., Ltd. Apr 2019 Visiting Professor, Graduate School of Economics, Toyo University Sep 2019 Part-time Lecturer, Faculty of Science and Engineering, Waseda University Nov 2019 Seconded to United Nations Economic Commission for Europe Oct 2020 Executive Officer, Executive Manager of Corporate Planning Unit, Chodai Co., Ltd. Apr 2022 Visiting Professor, Graduate School of Integrative Science and Engineering, Tokyo City University (current) Oct 2023 Executive Officer, in charge of Special Projects, the Company Dec 2023 Director, Senior Executive Officer, General Manager of Administration Unit, Chodai Co., Ltd. Oct 2024 Director, Senior Executive Officer, General Manager of Business Administration Unit, Chodai Co., Ltd. Dec 2024 Director, Kiso-Jiban Consultants Co., Ltd. (current) Dec 2024 Senior Director, in charge of Corporate Governance, the Company Oct 2025 Director, Senior Executive Officer, in charge of President's Office, Chodai Co., Ltd. (current) Oct 2025 Senior Director, in charge of President's Office, Health Support Office and Corporate Governance, the Company (current)

Apr 1988 Joined Chodai Co., Ltd. Oct 2016 Executive Officer, General Manager of First Structural Business Division, Chodai Co., Ltd. Oct 2021 Executive Officer, Deputy General Manager of Structural Business Unit, Chodai Co., Ltd. Dec 2021 Director, Senior Executive Officer, General Manager of Structural Business Unit, Chodai Co., Ltd. Oct 2022 Director (part-time), PC Railway Consultants Co., Ltd. Dec 2023 Chairman of the Board (part-time), PC Railway Consultants Co., Ltd. Dec 2024 Representative Director, President, PC Railway Consultants Co., Ltd. (current) Dec 2025 Director, in charge of Technical Collaboration, the Company (current)

Apr 1983 Joined Chodai Bridge Design Center Co., Ltd. (now Chodai Co., Ltd.) Oct 2004 General Manager of Information Systems Department, Social Planning Business Division, Chodai Co., Ltd. Oct 2009 Chief Engineer, Administration Unit, Chodai Co., Ltd. Feb 2016 General Manager of Internal Control Organization Department, Chodai Co., Ltd. Mar 2021 Audit & Supervisory Board Member, Effect Co., Ltd. (current) Nov 2021 Audit & Supervisory Board Member, Chodai Tech Co., Ltd. (current) Dec 2021 General Manager of Internal Control Center, the Company Dec 2021 Audit & Supervisory Board Member, Chodai Co., Ltd. (current) Oct 2022 Audit & Supervisory Board Member, PC Railway Consultants Co., Ltd. (current) Dec 2023 Director, Audit and Supervisory Committee Member, the Company (current) Dec 2023 Audit & Supervisory Board Member, Kiso-Jiban Consultants Co., Ltd. (current) Dec 2024 Audit & Supervisory Board Member, Nix Co., Ltd. (current)

Dec 2001 Registered as attorney-at-law (Tokyo Bar Association) Dec 2001 Joined Hayabusa International Law Office (now Hayabusa Asuka Law Office) Oct 2002 Joined Tokyo Aoba Law Office (now Imamura Memorial Law Office) Oct 2010 Joined Tsubasa Law Office Jan 2015 Outside Audit & Supervisory Board Member, Chodai Co., Ltd. Jun 2019 Outside Director, Morikawa Sangyo Co., Ltd. Oct 2021 Director, Audit and Supervisory Committee Member, the Company (current) Dec 2021 Outside Director, Audit and Supervisory Committee Member, Fuso Dentsu Co., Ltd. (current) Jun 2022 Joined BACeLL Law and Accounting Office (current)

Apr 1982 Joined Tokyo Regional Taxation Bureau Jul 2020 Director, Hitoyoshi Tax Office, Kumamoto Regional Taxation Bureau Jul 2021 Head of Regional Investigation Section, Investigation Department, Tokyo Regional Taxation Bureau Jul 2022 Deputy Director, Examination Division IV, Tokyo Regional Taxation Bureau Jul 2023 Director, Nihonbashi Tax Office, Tokyo Regional Taxation Bureau Aug 2024 Registered as certified tax accountant; Head of Shinobu Kajiwara Tax Accountant Office (current) Dec 2025 Director, Audit and Supervisory Committee Member, the Company (current)