Apr 1983 Joined the Company Apr 2007 General Manager, Technical Department, West Japan Branch Apr 2011 Senior Engineer, West Japan Branch Apr 2015 Officer; General Manager, Technology Planning Department, Strategic Planning Division Feb 2017 Executive Officer; General Manager, West Japan Business Division and Branch Manager, West Japan Branch Feb 2018 Director and Executive Officer; General Manager, Strategic Planning Division Feb 2020 Representative Director, President (current) Feb 2023 General Manager, Administration and Management Division (current)

Apr 1996 Joined the Company Sep 2008 General Manager, Technical Department, North Japan Branch Mar 2011 Officer; General Manager, Technical Department, North Japan Branch Dec 2011 Officer; General Manager, Technology Development Department, North Japan Branch Feb 2013 Director and Executive Officer; Branch Manager, North Japan Branch Feb 2021 Director, Managing Executive Officer Dec 2022 Outside Director, Union Consultant Co., Ltd. (current) Feb 2023 Representative Director, Senior Managing Executive Officer (current)

Nov 1991 Joined Pacific Consultants Co., Ltd. Oct 2014 General Manager, National Land Conservation Business Division, Pacific Consultants Co., Ltd. Oct 2016 General Manager, Business Management Division, Pacific Consultants Co., Ltd. Dec 2016 Director and General Manager, Business Management Division, Pacific Consultants Co., Ltd. Dec 2017 Director and General Manager, General Affairs Department, Pacific Consultants Group Co., Ltd. Mar 2019 Advisor, S Service Co., Ltd. Jan 2021 Joined the Company; Technical Advisor Feb 2025 Director, Managing Executive Officer (current)

Apr 1994 Joined the Company Apr 2014 General Manager, Ground Department, Business Division Feb 2020 General Manager, Metropolitan Business Division Mar 2020 Officer; General Manager, Metropolitan Business Division Feb 2021 Executive Officer; General Manager, Metropolitan Business Division Apr 2021 Executive Officer; Branch Manager, Kanto Branch Feb 2023 Director and Executive Officer; Branch Manager, Kanto Branch Feb 2025 Director and Executive Officer; General Manager, Audit Division (current)

Apr 1994 Joined the Company Apr 2009 Branch Manager, Hokkaido Branch Feb 2013 Officer; Branch Manager, Hokkaido Branch Jun 2013 Officer; General Manager, Sales Planning Department, Head Office Sales Division Apr 2021 Officer; General Manager, Business Promotion Department, Business Planning Division Feb 2022 Executive Officer; Deputy General Manager, Planning and Technology Division Feb 2023 Director and Executive Officer; Deputy General Manager, Planning and Technology Division (current)

Apr 1981 Joined Ministry of Transport (now Ministry of Land, Infrastructure, Transport and Tourism) Mar 1994 Associate Professor, Department of Civil Engineering, Faculty of Engineering, Tohoku University Aug 2000 Professor, Department of Civil Engineering, Graduate School of Engineering, Tohoku University Apr 2024 Joined the Company; Technical Advisor Feb 2025 Director (current)

Oct 2004 Registered as attorney-at-law; joined Takai Nobuo Law Office (now Takai & Okazeri Law Office) Sep 2009 Partner Attorney, Tsukiji Yonchome Law Office (current) Feb 2025 Director (current)

Apr 1984 Joined Fuji Bank, Ltd. (now Mizuho Bank, Ltd.) May 1994 Senior Investigator, International Planning Division, Fuji Bank, Ltd.; seconded to Fuji Bank Trust Company (New York) Jul 2004 Branch Manager, Asaka Branch, Mizuho Bank, Ltd. May 2007 Branch Manager, Hakodate Branch, Mizuho Bank, Ltd. Nov 2012 Manager, Human Resources Development Office, Group Human Resources Department, Mizuho Financial Group Dec 2013 Joined the Company; Officer; General Manager, Finance and Stock Department, Administration and Management Division Feb 2015 Executive Officer; General Manager, Finance and Stock Department, Administration and Management Division Feb 2017 Director and Executive Officer; General Manager, Finance and Stock Department, Administration and Management Division Dec 2022 Outside Audit & Supervisory Board Member, Union Consultant Co., Ltd. (current) Feb 2024 Director (Full-time Audit and Supervisory Committee Member) (current)

Mar 1985 Graduated from Legal Training and Research Institute Apr 1985 Registered as attorney-at-law Apr 1989 Head, Oshiro Law Office, attorney-at-law (current) Apr 1998 Conciliation Commissioner, Tokyo Family Court Feb 2014 Audit & Supervisory Board Member, the Company Feb 2016 Director (Audit and Supervisory Committee Member) (current)

Apr 1971 Joined Tokyo National Tax Bureau Jul 2002 Professor, Research Department, National Tax College Jul 2008 Senior Investigator, Second Investigation Department, Tokyo National Tax Bureau Jul 2012 Head, Nerima West Tax Office Sep 2013 Opened Tatsuo Hasunuma Tax Accountant Office (current) Jan 2019 Outside Director, Tomoe Engineering Co., Ltd. Feb 2023 Director (Audit and Supervisory Committee Member) (current)