Sep 1961 Joined the Company Nov 1983 Director Dec 1986 Managing Director Mar 1990 Senior Managing Director Dec 1993 Representative Director, in charge of administration Feb 2000 Representative Director, Executive Vice President Jan 2007 Representative Director, President Mar 2016 Representative Director, Chairman Jan 2017 Representative Director, Chairman and President Apr 2020 Representative Director, Chairman and CEO (current)

Mar 1996 Joined the Company Jan 2005 General Manager, Environmental Equipment Sales Department No. 2 Jul 2009 General Manager, Wind, Water and Power Division Jan 2012 Executive Officer Jan 2013 Senior Executive Officer, General Manager, Environmental Equipment Division Jan 2017 Managing Executive Officer Mar 2019 Director, Managing Executive Officer, Deputy General Manager, Sales Division Apr 2020 General Manager, Sales Division (current) Mar 2022 Director, Senior Managing Executive Officer Mar 2024 Representative Director, President and Executive Officer, COO (current)

Oct 1996 Joined the Company Apr 2002 General Manager, Accounting Department Jan 2007 Executive Officer Jan 2013 Senior Executive Officer, General Manager, Administration Division Jul 2015 General Manager, President's Office Jul 2016 General Manager, General Planning Office (current) Mar 2020 Director, Managing Executive Officer Mar 2024 Director, Senior Managing Executive Officer, In Charge of In-House Products (current)

Feb 2002 Joined the Company Jan 2013 General Manager, Accounting Department Feb 2018 Deputy General Manager, Administration Division Aug 2021 General Manager, Administration Division (current) Apr 2022 Executive Officer, General Manager, Legal Department (current) Mar 2024 Director (current)

Mar 1978 Joined the Company Apr 1996 General Manager, General Affairs Department Jan 2007 Executive Officer May 2007 General Manager, Legal Department Mar 2008 Director, General Manager, Administration Division Jan 2013 Senior Executive Officer, General Manager, Measuring Instruments and Medical Division Jan 2015 General Manager, Engineering Division Jan 2022 General Manager, Internal Audit Office Mar 2022 Director (Full-time Audit and Supervisory Committee Member) (current)

Nov 1975 Joined Tohmatsu & Aoki Audit Corporation (now Deloitte Touche Tohmatsu LLC) Aug 1980 Registered as Certified Public Accountant Jul 1988 Partner, Audit Corporation Tohmatsu (now Deloitte Touche Tohmatsu LLC) Aug 1989 Seconded to Touche Ross & Co. (now Deloitte & Touche LLP), New York Office; Managing Partner, New York region Nov 2007 Internal Auditor, Head Office, Audit Corporation Tohmatsu Nov 2014 Chairman, Audit Committee, Deloitte Tohmatsu LLC Jan 2018 Representative, Kazuo Ishibashi CPA Office (current) Jun 2018 Auditor, Amada Foundation (current) Jun 2019 Auditor, Salt Industry Center of Japan (current) Mar 2020 Director (Audit and Supervisory Committee Member), the Company (current) Mar 2023 Auditor, Sugino Gakuen (current)

Nov 2004 Passed National Bar Examination Oct 2006 Assistant Judge, Saitama District Court Apr 2009 Prosecutor, Litigation Division, Sapporo Legal Affairs Bureau Apr 2011 Assistant Judge, Yokohama Family Court Apr 2012 Assistant Judge, Yokohama District Court Apr 2015 Assistant Judge, Matsudo Branch, Chiba District and Family Court Oct 2016 Judge, Matsudo Branch, Chiba District and Family Court Jan 2018 Registered as Attorney at Law; joined Seiwa Meitetsu Law Offices (now Meitetsu Sogo Law Office) Mar 2022 Director (Audit and Supervisory Committee Member), the Company (current) Mar 2022 Outside Director (Audit and Supervisory Committee Member), I.S.B. Co., Ltd. (current) Oct 2022 Partner Attorney, Meitetsu Sogo Law Office (current)

Apr 1982 Joined Hazama Corporation (now Hazama Ando Corporation) Apr 2013 General Manager, Administration Department, Metropolitan Building No. 1 and No. 2 Branches, Hazama Ando; concurrently Director, Aoyama Kiko Co., Ltd. (seconded) Apr 2014 Deputy Branch Manager and General Manager, Administration Department, Metropolitan Building Branch, Hazama Ando Jun 2015 General Manager, CSR Promotion Department, Corporate Strategy Office, Hazama Ando Apr 2017 Executive Officer, Deputy General Manager, Corporate Strategy Office and General Manager, CSR Promotion Department, Hazama Ando Apr 2018 Executive Officer, General Manager, Corporate Strategy Office, Hazama Ando Jun 2019 Statutory Auditor, Hazama Ando Jun 2023 Advisor, Hazama Ando (current) Mar 2024 Director (Audit and Supervisory Committee Member), the Company (current)

Apr 1983 Joined Japan Air Lines Co., Ltd. Apr 1991 Joined BASF Japan Ltd. Feb 1995 Representative Director, Prime Time Co., Ltd. (formerly Prime Inc.) (current) Apr 2004 Member, Evaluation Committee for Independent Administrative Institutions, Ministry of Economy, Trade and Industry Apr 2015 Expert Member, Hearing on Performance Evaluation, Japan External Trade Organization (JETRO) May 2017 Director, Fumiko Yamaji Foundation Apr 2018 Expert Member, Management Advisory Panel, JETRO Jun 2022 Outside Director, Sanwa Technos Co., Ltd. (current) Mar 2024 Director (Audit and Supervisory Committee Member), the Company Mar 2026 Director, the Company (current)