Apr 1982 Joined the Company Apr 2013 General Manager, Sales Coordination Division, Tokyo Head Office Apr 2014 Deputy Head Office Manager and General Manager, Sales Coordination Division, Tokyo Head Office Apr 2015 Executive Officer, Head of Tokyo Head Office Apr 2019 Managing Executive Officer, Head of Tokyo Head Office Apr 2021 Managing Executive Officer, Head of Sales Division Jun 2021 Director, Managing Executive Officer, Head of Sales Division Apr 2023 Representative Director, President (current)

Apr 2007 Assistant Professor, Graduate School of Engineering, Kyoto University May 2008 Specially Appointed Associate Professor, Graduate School of Engineering, Kyoto University Apr 2015 Senior Researcher, Public Works Research Institute (National Research and Development Agency) Apr 2020 Joined the Company as Adviser May 2020 Visiting Professor, Nagasaki University (current) Jun 2020 Director, Kanto Kogyo Co., Ltd. (current) Apr 2021 Executive Officer, General Manager, President's Office Jun 2021 Director, Executive Officer, General Manager, President's Office Apr 2022 Director, Managing Executive Officer, General Manager, President's Office Apr 2023 Director, Vice President (current)

May 2009 General Manager, Shibuya Branch, The Bank of Tokyo-Mitsubishi UFJ, Ltd. Jul 2011 Joined the Company as Executive Officer Apr 2012 Managing Executive Officer Jun 2012 Director, Managing Executive Officer, Deputy Head, Domestic Construction Business Division Apr 2013 Director, Managing Executive Officer Apr 2015 Director, Senior Managing Executive Officer Apr 2026 Director (current)

Apr 1985 Joined the Company Apr 2005 Construction Supervisor, Tokyo Building Construction Center Apr 2009 General Manager, Corporate Planning Department Apr 2011 General Manager, President's Office Apr 2012 Executive Officer, General Manager, President's Office Apr 2013 Executive Officer, General Manager, Business Coordination Division, Domestic Construction Business Division Apr 2016 Executive Officer, Head of Kyushu Branch Apr 2019 Managing Executive Officer, Head of Domestic Construction Business Division Apr 2021 Managing Executive Officer, General Manager, General Affairs Department Jun 2023 Director, Managing Executive Officer (current)

Apr 1965 Joined Yawata Iron & Steel Co., Ltd. Jun 1997 Director, General Manager, Steel Structure and Marine Business Division, Nippon Steel Corporation Jun 1999 Senior Managing Director, Fudo Kensetsu Co., Ltd. Apr 2001 Representative Director, President, Fudo Kensetsu Co., Ltd. Apr 2004 Audit & Supervisory Board Member, Narita International Airport Corporation May 2004 Joined the Company as Non-Standing Adviser Jun 2005 Standing Audit & Supervisory Board Member, Kyushu Oil Co., Ltd. Jul 2015 Director (current)

Apr 2002 Joined Marine Dream Co., Ltd. May 2008 Director, Marine Dream Co., Ltd. Aug 2017 Joined Kanto Kogyo Co., Ltd.; General Manager, Accounting Department Jun 2019 Director, Kanto Kogyo Co., Ltd. Jun 2020 Director of the Company (current) Aug 2021 Audit & Supervisory Board Member, Marine Dream Co., Ltd. (current) Jun 2022 Managing Director, Kanto Kogyo Co., Ltd. Jan 2023 Representative Director, President, MB Service Co., Ltd. (current) Oct 2025 Senior Managing Director, Kanto Kogyo Co., Ltd. (current) Other entity representation: Representative Director, President, MB Service Co., Ltd.

Apr 1988 Joined Fudo Kensetsu Co., Ltd. Apr 2004 Joined the Company Apr 2006 Construction Supervisor, Tokyo Building Construction Center Apr 2011 General Manager, Construction Department, Nagoya Branch Apr 2016 General Manager, Sales Coordination Division, Nagoya Branch Apr 2018 Deputy Branch Manager, Nagoya Branch Apr 2021 Executive Officer, Branch Manager, Nagoya Branch Apr 2025 Managing Executive Officer, Head of Domestic Construction Business Division (current)

Apr 1983 Joined the Company Apr 2013 General Manager, Accounting Department Apr 2024 Executive Officer, General Manager, Accounting Department Apr 2026 Executive Officer (current)

Apr 1982 Assistant, Faculty of Engineering, Nagasaki University May 1988 Lecturer, Faculty of Engineering, Nagasaki University Apr 1991 Associate Professor, Faculty of Engineering, Nagasaki University Apr 2003 Professor, Faculty of Engineering, Nagasaki University Oct 2011 Vice President of Nagasaki University and Director, Information Media Infrastructure Center Sep 2024 Auditor, Kyushu Institute of Technology (current)

Apr 1981 Joined Fudo Kensetsu Co., Ltd. Apr 2004 Joined the Company; Construction Supervisor, Tokyo Building Construction Center Apr 2008 General Manager, Fourth Construction Department, Tokyo Head Office Apr 2012 General Manager, Quality Control Department, Tokyo Head Office Apr 2015 Executive Officer, General Manager, Business Coordination Division, Domestic Construction Business Division Apr 2016 Executive Officer, Deputy Head Office Manager, Tokyo Head Office Apr 2023 Managing Executive Officer, Head of Technology Division Apr 2024 Managing Executive Officer, Head of Domestic Construction Business Division Apr 2025 Adviser Jun 2025 Full-time Audit & Supervisory Board Member (current)

Mar 1999 Deputy Manager, Accounts Division, Nippon Kogyo Bank, Ltd. Apr 2002 Deputy General Manager, Accounting Department, Mizuho Bank, Ltd. Apr 2003 Registered as attorney-at-law (Daini Tokyo Bar Association); joined Miyake & Yamazaki Law Office Jun 2011 Audit & Supervisory Board Member of the Company (current) Jul 2020 Joined Ikeda Law Office Mar 2024 Established Yamatani Law Office (current)

Apr 1969 Joined Yawata Iron & Steel Co., Ltd. Jun 1995 General Manager, Public Relations Center, Secretariat, Nippon Steel Corporation Jun 1999 Director, General Manager, General Affairs Department, Nippon Steel Corporation Apr 2003 Managing Director, Nippon Steel Corporation Apr 2005 Representative Director, Executive Vice President, Nippon Steel Corporation Jul 2011 Chairman, Japan Industrial Safety and Health Association Jul 2016 Adviser, Japan Industrial Safety and Health Association Jun 2019 Audit & Supervisory Board Member of the Company (current)