Apr 1983 Joined the Company Apr 2004 Manager, Akita Construction Department, Morioka Branch Apr 2008 Manager, Construction Planning Department, Tohoku Branch Apr 2009 Deputy Division Head, East Japan Division (in charge of construction technology) Apr 2010 Division Head, East Japan Division Jul 2010 Executive Officer Apr 2011 Head, Tohoku Regional Branch Apr 2013 Managing Executive Officer, Head of Kanto Division Jun 2015 Director Jun 2016 Managing Director Apr 2018 General Manager, Technical Sales Division Apr 2019 General Manager, Construction Technology Division Jun 2019 Senior Managing Director Jun 2020 Representative Director, President (current)

Apr 1983 Joined the Company Apr 2006 General Manager, Sales Division, Morioka Branch Apr 2007 General Manager, Sales Division, Yokohama Branch Apr 2009 Deputy Division Head, East Japan Division Apr 2010 Deputy General Manager, Overseas Business Division Apr 2011 Deputy Branch Head, Tohoku Regional Branch Apr 2013 Executive Officer, Head of Tohoku Regional Branch Apr 2016 Managing Executive Officer Jun 2017 Director Apr 2019 General Manager, Technical Sales Division Jun 2019 Managing Director Jun 2020 Senior Managing Director Apr 2023 General Manager, Occupational Safety, Health and Environment Division (current)

May 2006 Deputy General Manager, Construction Division, Nippo Kogyo Co., Ltd. Oct 2009 Joined the Company Apr 2010 Manager, Building Sales Department, Building Construction Division, Construction Business Division Jun 2013 Deputy General Manager, Building Construction Division Apr 2015 Executive Officer, General Manager, Building Construction Division Apr 2016 Managing Executive Officer Jun 2018 Director Jun 2020 Managing Director Jun 2023 Senior Managing Director (current)

Apr 1986 Joined the Company Apr 2005 General Manager, Urban Civil Engineering Department, Osaka Branch Apr 2009 General Manager, Construction Technology Department, West Japan Division Apr 2010 General Manager, Construction Technology Department, Kanto Division Apr 2011 Executive Officer, Head of Chubu Regional Branch Apr 2013 Executive Officer, Head of West Japan Division Apr 2014 Managing Executive Officer Jun 2016 Director Apr 2018 Head of Kanto Division (current) Jun 2019 Managing Director (current)

Apr 1986 Joined the Company Apr 2004 Head, Yamaguchi Sales Office, Chugoku Branch Apr 2011 General Manager, Chugoku Branch, Technical Sales Department, West Japan Division Apr 2014 Deputy Division Head and General Manager, Chugoku Branch, West Japan Division Apr 2015 Deputy General Manager, Technical Sales Division Apr 2016 Executive Officer, Head of Kyushu Regional Branch Apr 2018 Managing Executive Officer Apr 2020 Deputy General Manager, Construction Technology Division Jun 2020 Director, General Manager, Construction Technology Division Apr 2023 General Manager, Technical Sales Division (current) Jun 2023 Managing Director (current)

Jul 1997 Joined the Company Apr 2007 Head, Kobe Sales Office, Osaka Branch Apr 2011 General Manager, Construction Technology Department, Chubu Regional Branch Apr 2012 Deputy Branch Head, Chubu Regional Branch Apr 2013 Executive Officer, Head of Chubu Regional Branch Apr 2016 Managing Executive Officer Jun 2021 Director Apr 2023 General Manager, Construction Technology Division (current) Jun 2023 Managing Director (current)

Apr 1991 Joined the Company Apr 2009 General Manager, Business Management Department Apr 2011 General Manager, Corporate Planning Department, Corporate Planning Division Apr 2013 General Manager, Sales Planning Department, Technical Sales Division Jun 2016 Executive Officer, Head of Overseas Business Division Apr 2020 Managing Executive Officer Jun 2022 Director Jun 2026 Managing Director, General Manager, Corporate Planning Division (current)

Apr 1989 Joined The Taiyo Kobe Bank, Ltd. Apr 2013 General Manager, Training Institute, Human Resources Department, Sumitomo Mitsui Banking Corporation Apr 2016 General Manager, Tohoku Corporate Sales Department, the same bank Apr 2018 General Manager, Tokyo Central Corporate Sales Department I, the same bank Apr 2021 Executive Officer, General Manager, Area Corporate Division, the same bank May 2024 Managing Executive Officer, Deputy General Manager, Corporate Management Division, the Company Jun 2025 Director, General Manager, Corporate Management Division (current) Jun 2026 Managing Director (current)

Apr 1989 Joined the Company Apr 2011 General Manager, Technical Sales Division, West Japan Division Apr 2012 Deputy Division Head, West Japan Division Apr 2016 Executive Officer, Deputy Division Head, West Japan Division Apr 2018 Head of West Japan Division (current) Apr 2021 Managing Executive Officer Jun 2023 Director (current)

Apr 1983 Joined the Company Apr 2003 General Manager, Administration Department, Morioka Branch Apr 2008 General Manager, Administration Department, Tohoku Branch Apr 2009 Deputy Division Head, East Japan Division (in charge of management control) Apr 2011 General Manager, Human Resources and General Affairs Department, Corporate Planning Division Jul 2012 Executive Officer, Deputy General Manager, Corporate Planning Division, and General Manager, Human Resources and General Affairs Department Jun 2013 Deputy General Manager, Corporate Planning Division, General Manager, Human Resources and General Affairs Department, and General Manager, Corporate Planning Department Apr 2017 Managing Executive Officer Apr 2019 Deputy General Manager, Corporate Planning Division, and General Manager, Human Resources Department Jun 2023 Corporate Auditor (current)

Oct 2003 Registered as attorney-at-law Apr 2008 Securities Inspector, Securities Examination Division, Kanto Finance Bureau, Ministry of Finance Apr 2010 Expert Inspector, Securities Examination Division, Secretariat of the Securities and Exchange Surveillance Commission, Financial Services Agency Jul 2012 Re-registered as attorney-at-law Jul 2012 Partner, Kowa Sogo Law Office (current) Jun 2016 Director of the Company (current) Jul 2018 Outside Corporate Auditor, Bitpoint Japan Co., Ltd. (current) Jun 2024 Outside Director, Convano Ltd. (current)

Apr 1979 Joined Fujitsu Limited Apr 2002 Representative Director, President, Fujitsu HR Professionals Ltd. Apr 2007 Principal Manager, Service Business Division, Fujitsu Limited Aug 2011 Chair, ISO/IEC JTC1 SC40/WG3 Japan Committee (current) Sep 2013 Managing Executive Officer, HR One Co., Ltd. Nov 2015 Executive Officer, Tokyo System Research Co., Ltd. Jun 2019 Jun 2021 Jun 2022 Sep 2023 Chair, Drafting Committee for ITES-BPO JIS Director of the Company (current) Outside Director, Fukoku Co., Ltd. (current) Outside Director (Audit and Supervisory Committee Member), Niitaka Co., Ltd. (current)

Apr 1977 Employed by Sendai Regional Taxation Bureau, National Tax Agency Jul 2009 Director, Hongo Tax Office Jul 2015 Director-General, Administration Department, Kanazawa Regional Taxation Bureau Jul 2017 Commissioner, Takamatsu Regional Taxation Bureau Nov 2019 Jun 2021 Mar 2024 Registered as certified tax accountant, Takeshi Nagata Tax Accountant Office Director of the Company (current) Director, National Federation of Sake Brewers' Associations (current)

Apr 1983 Joined the Ministry of Labour Apr 2000 General Manager, General Affairs Department and Director, Employment Security Department, Gunma Labour Bureau, Ministry of Health, Labour and Welfare Apr 2007 Director, Supply and Demand Adjustment Business Department, Tokyo Labour Bureau, Ministry of Health, Labour and Welfare Apr 2015 Chief Vocational Counselor, Employment Security Bureau, Ministry of Health, Labour and Welfare Mar 2019 Director-General, Tochigi Labour Bureau, Ministry of Health, Labour and Welfare Mar 2021 Retired from Ministry of Health, Labour and Welfare Apr 2021 Professor, Graduate School of Business Creation, Graduate School of Business Creation, Business Creation University (current) Jun 2021 Director of the Company (current)

Apr 1979 Joined the Ministry of Construction Sep 2011 Senior Deputy Director-General, Construction Distribution Policy, Bureau of Construction, Ministry of Land, Infrastructure, Transport and Tourism Jul 2012 Director-General, Land and Construction Industries Bureau, the same ministry Jan 2014 Vice-Minister for Land, Infrastructure, Transport and Tourism, the same ministry Jul 2015 Director-General, Secretariat for Regional Revitalization, Cabinet Office Jul 2017 Retired from Cabinet Office Jun 2018 Chairman, Construction Industry Promotion Foundation Jul 2022 Chairman, Construction Economy Research Institute (current) Jun 2023 Chairman, National Federation of Housing Supply Corporations (current) Jun 2025 Director of the Company (current)

Oct 2002 Registered as attorney-at-law (Class 55, Tokyo Bar Association, First Tokyo Bar Association) Degawa Sogo Law Office (current) Nov 2016 Corporate Auditor, Chiiki Shimbun Co., Ltd. (current) Jun 2017 Corporate Auditor, Nichiryoku Co., Ltd. Jun 2019 Corporate Auditor of the Company (current) Mar 2022 Corporate Auditor, Fancommunications Inc. Apr 2022 Auditor, Medical Corporation Kosei-kai (current) Mar 2023 Director (Audit and Supervisory Committee Member), Fancommunications Inc. (current)

Apr 1979 Joined The Taiyo Kobe Bank, Ltd. Apr 2008 Executive Officer, Head of Osaka North Corporate Sales Division, Sumitomo Mitsui Banking Corporation Jun 2010 President, Yoko Building ME Co., Ltd. Jun 2017 President, Yoei Holdings Co., Ltd.; President, Yoei Co., Ltd. Jun 2019 President, Yoei Holdings Co., Ltd.; President, Yoei Co., Ltd. Jun 2020 President, Yoei Holdings Co., Ltd.; President, Yoei Co., Ltd. Jun 2021 Outside Corporate Auditor, Koganei Corporation (current) Chairman, Yoei Co., Ltd. Corporate Auditor of the Company (current) Outside Director, Toyo Kosan Co., Ltd. (current)

Oct 2001 Joined Tohmatsu & Co. (currently Deloitte Touche Tohmatsu LLC) May 2005 Registered as certified public accountant Jan 2018 Representative, Mayumi Takaoka Certified Public Accountant Office (current) Nov 2021 Full-time Corporate Auditor, MyRefer Inc. (currently TalentX Inc.) Dec 2022 Full-time Corporate Auditor, OKAN Co., Ltd. Apr 2024 Outside Corporate Auditor, elestyle Co., Ltd. (current) Jun 2024 Outside Corporate Auditor, Space Transport Systems Inc. (current) Dec 2024 Outside Corporate Auditor, Tsunagu Group Holdings Inc. (current) Apr 2026 Member of Audit Committee, City of Narashino (current) Jun 2026 Corporate Auditor of the Company (current)