Apr 1987 Joined the Company Apr 2011 General Manager, Civil Engineering Department, Western Japan Branch Apr 2014 General Manager, Corporate Planning Department Apr 2017 Branch Manager, Chugoku Branch, Western Japan Branch Apr 2019 Executive Officer, General Manager, New Business Division Apr 2021 Executive Officer, General Manager, Environment and Energy Business Division Apr 2023 Managing Executive Officer, General Manager, Regional Environmental Solutions Business Division Apr 2024 Executive Vice President, Executive Officer Jun 2024 Representative Director, President and Executive Officer (current) Jun 2026 Outside Director (part-time), Japan Venture Capital Co., Ltd. (current)

Apr 1984 Joined the Company Apr 2014 Executive Officer, Deputy General Manager, Civil Engineering Business Division, and General Manager, Civil Engineering Business Planning Department Apr 2016 Managing Executive Officer, General Manager, Civil Engineering Business Division Jun 2016 Director, Managing Executive Officer, General Manager, Civil Engineering Business Division Apr 2018 Representative Director, Executive Vice President and Executive Officer, General Manager, Civil Engineering Business Division Apr 2019 Representative Director, Executive Vice President and Executive Officer, General Manager, Civil Engineering Business Division, in charge of New Business Apr 2020 Representative Director, Executive Vice President and Executive Officer, General Manager, Civil Engineering Business Division, and General Manager, Safety, Environment and Quality Division, in charge of New Business Apr 2021 Representative Director, Executive Vice President and Executive Officer, General Manager, Civil Engineering Business Division, and General Manager, Safety, Environment and Quality Division, in charge of Environment and Energy Business Apr 2022 Representative Director, Executive Vice President and Executive Officer, General Manager, Civil Engineering Business Division, and General Manager, Safety and Environment Division, in charge of Environment and Energy Business Apr 2023 Representative Director, Executive Vice President and Executive Officer, General Manager, Civil Engineering Business Division, and General Manager, Safety and Environment Division Apr 2025 Representative Director, Executive Vice President and Executive Officer, in charge of Corporate Division (current)

Apr 1985 Joined the Company Apr 2010 General Manager, Corporate Planning Office Apr 2012 General Manager, Corporate Planning Department Apr 2013 General Manager, Human Resources Department Apr 2015 Executive Officer, General Manager, President's Office Apr 2020 Managing Executive Officer, General Manager, President's Office Apr 2023 Managing Executive Officer, General Manager, Corporate Strategy Office Apr 2025 Senior Managing Executive Officer, General Manager, Administration Management Office Jun 2025 Director, Senior Managing Executive Officer, General Manager, Administration Management Office, in charge of IR (current)

Apr 1983 Joined the Company Apr 2012 General Manager, Building Department, Kyushu Branch Apr 2013 General Manager, Building Planning Department, Kyushu Branch Apr 2016 Deputy Branch Manager, Kyushu Branch Apr 2018 Deputy Branch Manager, Western Japan Branch Apr 2019 Executive Officer, General Manager, North Japan Branch Apr 2025 Managing Executive Officer, General Manager, Corporate Strategy Office Jun 2025 Director, Managing Executive Officer, General Manager, Corporate Strategy Office (current)

Apr 1987 Joined the Company Apr 2007 Accounting Section Manager, General Affairs Department, Kanto Branch Nov 2013 Legal Section Manager, Legal Affairs Department Apr 2017 General Manager, Human Resources Department Apr 2021 Deputy General Manager, Administration Division, and General Manager, Human Resources Department Apr 2023 General Manager, Secretariat of the Audit and Supervisory Committee Jun 2024 Director (Audit and Supervisory Committee Member) (current)

Apr 1979 Joined Kubota Corporation Jun 2007 Director, General Manager, Water, Environment and Infrastructure Business Division; General Manager, Manufacturing Headquarters, Water, Environment and Infrastructure Business Division Apr 2009 Director, Executive Officer, Assistant to Head of Water and Environment Systems Business Division; Head of Water Environment Systems and Social Infrastructure Business Promotion Division; General Manager, Water Environment Systems and Social Infrastructure Manufacturing Division Jun 2009 Executive Officer Apr 2010 Head Office Office Manager; in charge of Human Resources, Secretariat and Public Relations, General Affairs, and Tokyo Operations Jun 2010 In charge of Secretariat and Corporate Communications Department Apr 2011 Managing Executive Officer Jun 2011 Director, Managing Executive Officer Apr 2012 General Manager, Human Resources and General Affairs Division Apr 2013 Director, Senior Managing Executive Officer Jul 2014 Representative Director, Executive Vice President and Executive Officer Oct 2014 General Manager, CSR Division Jan 2016 In charge of Water and Environment Domain Jan 2017 In charge of Water Environment and Infrastructure Domain Apr 2019 Senior Advisor (retired Mar 2022) Jun 2021 President, Osaka Federation of Health Insurance Associations (current); Vice President, Japan Health Insurance Association (current) Jun 2022 Outside Director (Audit and Supervisory Committee Member) of the Company (current) May 2025 Outside Director (Audit and Supervisory Committee Member), Nakamoto Pax Co., Ltd. (current)

Apr 1986 Joined Nippon Telegraph and Telephone Corporation Apr 2008 General Manager, Business Planning Promotion Division, Public Systems Business Division, NTT DATA Corporation Apr 2016 General Manager, Enterprise Partner Sales Division, Microsoft Japan Co., Ltd. Feb 2017 General Manager, Digital Innovation Promotion Department, Yamato Holdings Co., Ltd. Apr 2018 General Manager, IT Strategy Department, Yamato Holdings Co., Ltd. May 2019 Managing Executive Officer, in charge of Corporate Planning, Unizo Holdings Co., Ltd. Jun 2020 Advisor, Unizo Holdings Co., Ltd. Nov 2020 Joined SG Systems Co., Ltd. Apr 2021 Executive Officer, in charge of Corporate Planning, SG Systems Co., Ltd. (retired Mar 2023) Jun 2021 Outside Director, Kanaden Corporation (current) Jun 2021 Outside Director, Mitsui Sumitomo Doro Co., Ltd. (retired Jun 2024) Jun 2023 Outside Director, Japan Post Holdings Co., Ltd. (current) Outside Director (Audit and Supervisory Committee Member) of the Company (current)

Apr 1982 Joined Nippon Kokan K.K. Apr 2012 Managing Executive Officer, General Manager, Corporate Planning Division, JFE Engineering Corporation Apr 2014 Senior Managing Executive Officer, General Manager, Aqua Solutions Business Division, JFE Engineering Corporation Apr 2015 Director, Senior Managing Executive Officer, General Manager, Overseas Division, JFE Engineering Corporation Apr 2016 Representative Director, Senior Managing Executive Officer, JFE Engineering Corporation Mar 2017 Representative Director, President, JFE Engineering Corporation Jun 2017 Director, JFE Holdings, Inc. (retired Jun 2024) Apr 2024 Special Advisor, JFE Engineering Corporation (retired Mar 2026) Jun 2024 Outside Director (Audit and Supervisory Committee Member) of the Company (current) Mar 2026 Representative Director, President (part-time), Ryugasaki Country Club Co., Ltd. (current)

Apr 1984 Joined Mitsui & Co., Ltd. May 2001 Manager, Editorial Production Office, Public Relations Department, Mitsui & Co., Ltd. Apr 2006 General Manager, Corporate Brand Strategy Office, CSR Promotion Department, and Diversity Promotion Office, Human Resources and General Affairs Department, Mitsui & Co., Ltd. Jun 2009 General Manager, Global Environment Office, Environment and Social Contribution Department, Mitsui & Co., Ltd. Apr 2015 General Manager, Environment and Social Contribution Department, Mitsui & Co., Ltd. Oct 2018 Representative Director, President, Mitsui & Co. Forest Co., Ltd. (retired Jun 2022) Apr 2022 Auditor, St. Luke's International University (retired Jun 2025) Jun 2022 Outside Director, Komeri Co., Ltd. (current) Jun 2022 Outside Director, Okamura Corporation (current) Jun 2025 Outside Director (Audit and Supervisory Committee Member) of the Company (current)