Apr 1992 Joined the Company Jan 2006 General Manager, Secretarial Office, the Company Apr 2010 General Manager, General Affairs and Human Resources Department, the Company Apr 2014 General Manager, Corporate Planning Department, the Company Apr 2015 Executive Officer, the Company Apr 2017 Managing Executive Officer, Deputy Head of Planning and Administration Division, the Company Apr 2019 General Manager, Corporate Management Division, the Company Jun 2019 Director, the Company May 2020 Representative Director, President, Primix Holdings Co., Ltd.; Representative Director, President, Primix Co., Ltd. Apr 2021 Director and Senior Managing Executive Officer, the Company Apr 2022 Representative Director and Senior Managing Executive Officer, the Company Jun 2022 Representative Director, Chairman, Primix Co., Ltd.; Representative Director, Chairman, Tsukishima Environmental Engineering Co., Ltd. Apr 2023 Representative Director, President and Executive Officer, the Company (current)

Apr 1990 Joined Chiyoda Corporation Jul 2001 Joined the Company Jul 2004 General Manager, Corporate Planning Department, the Company Dec 2007 General Manager, Office of the President, the Company Oct 2008 General Manager, Finance Department, the Company Apr 2010 Executive Officer, the Company Apr 2017 Managing Executive Officer, Deputy Head of Planning and Administration Division, the Company Apr 2021 Senior Managing Executive Officer, General Manager, Corporate Management Division, the Company Apr 2022 General Manager, Finance Department, Corporate Management Division, the Company Jun 2022 Director and Managing Executive Officer, the Company Apr 2023 Director and Senior Managing Executive Officer, Chief Financial Officer (CFO), the Company (current) Apr 2024 Director, Executive Vice President and Executive Officer, the Company Apr 2025 Representative Director, Executive Vice President and Executive Officer, the Company (current)

Apr 1990 Joined the Company Jul 2004 General Manager, Research and Development Department, the Company Apr 2006 General Manager, Solution Technology Department, the Company Apr 2013 Executive Officer, the Company Apr 2017 Managing Executive Officer, Deputy Head of Water Environment Business Division, the Company Apr 2018 General Manager, Development Division, the Company Apr 2019 Deputy Head of Industrial Business Division; Deputy Head of Procurement Management Division, the Company Jun 2019 Director, the Company Apr 2020 Representative Director, President and Executive Officer, the Company Apr 2023 Director, the Company (current) Apr 2023 Representative Director, President and Executive Officer, Tsukishima Kikai Co., Ltd. (current)

Apr 1988 Joined the Company Jul 2004 General Manager, Environment Business Department, the Company Jun 2007 Representative Director, Samukawa Water Service Co., Ltd. Oct 2008 General Manager, Corporate Planning Department, the Company Jun 2009 Executive Officer, the Company Dec 2014 Representative Director, Owari Water & Energy Co., Ltd. Apr 2017 Managing Executive Officer, Deputy Head of Water Environment Business Division, the Company Apr 2018 General Manager, Water Environment Business Division, the Company Jun 2018 Director, the Company Apr 2019 Representative Director and Senior Managing Executive Officer, the Company Dec 2022 Special Assignment to the President (Chairman, Water Environment Business Integration Committee), the Company Apr 2023 Director, the Company (current) Apr 2023 Representative Director, President and Executive Officer, Tsukishima Aqua Solution Co., Ltd. (now Tsukishima JFE Aqua Solution Co., Ltd.) (current)

Apr 1974 Public Prosecutor, Tokyo District Public Prosecutors Office Nov 2001 Public Prosecutor, Supreme Public Prosecutors Office Aug 2002 Director-General, Immigration Bureau, Ministry of Justice Sep 2004 Director, Public Trial Department, Supreme Public Prosecutors Office Aug 2006 Chief Public Prosecutor, Chiba District Public Prosecutors Office Jul 2008 Chief Public Prosecutor, Yokohama District Public Prosecutors Office Jan 2009 Superintending Public Prosecutor, Sendai High Public Prosecutors Office Mar 2012 Member, Central Review Board of Parole Oct 2018 Representative, Masuda Law Office (current) Jun 2022 Outside Director, the Company (current)

Apr 1999 Registered as attorney-at-law; joined Nishimura & Asahi (formerly Nishimura Sogo Law Office) Apr 2005 Admitted to the New York State Bar Jan 2008 Partner, Nishimura & Asahi (current) May 2016 Outside Audit & Supervisory Board Member, Tabikobo Co., Ltd. Jun 2018 Outside Director, mixi, Inc. Sep 2018 Part-time Lecturer, Business Law Program, Graduate School of Law, Hitotsubashi University (current) Jun 2019 Outside Audit & Supervisory Board Member, Nippon Signal Co., Ltd. Jun 2023 Outside Director, the Company (current) Mar 2025 Outside Director, Nexera Pharma Co., Ltd. (current) Apr 2026 Outside Director (Audit and Supervisory Committee Member), Enigmo Inc. (current)

Apr 1980 Joined Fujitsu Limited Apr 2005 Director and Deputy General Manager, Fujitsu (China) Information Systems Co., Ltd. Apr 2012 Executive Officer, General Manager, Industrial Business Unit, Fujitsu Limited May 2013 General Manager, Industrial Business Unit, Industry & Distribution Sales Group, Fujitsu Limited Apr 2014 Senior Managing Executive Officer, Head of Asia Region, Fujitsu Limited Jan 2015 Executive Vice President and Executive Officer, Head of Asia Region, Fujitsu Limited Feb 2015 Executive Vice President and Executive Officer, Fujitsu Limited Jun 2015 Representative Director, President, Fujitsu Limited Jun 2019 Director, Chairman, Fujitsu Limited Apr 2020 Director, Chairman, Fujitsu Marketing Limited Oct 2020 Director, Chairman, Fujitsu Japan Limited Jun 2021 Outside Director, Nippon Light Metal Holdings Company, Ltd. (current) Apr 2022 Senior Advisor, Fujitsu Japan Limited Dec 2022 Advisor, the Company Jun 2023 Outside Director (Audit and Supervisory Committee Member), UBE Corporation (current) Jul 2023 Outside Director, Asahi Mutual Life Insurance Company (current) Jun 2025 Outside Director, the Company (current)

Apr 1988 Joined the Environment Agency (now Ministry of the Environment) Sep 2012 Director, Climate Change Policy Division, Global Environment Bureau, Ministry of the Environment Jul 2014 Director, Waste Management Division, Waste and Recycling Department, Ministry of the Environment Jun 2016 Counselor, Designated Waste Countermeasures, Minister's Secretariat, Ministry of the Environment Jul 2017 Director, General Affairs Division, Environmental Regeneration and Material Cycles Bureau, Ministry of the Environment Apr 2018 Deputy Director-General, Minister's Secretariat, Ministry of the Environment Jul 2018 Senior Deputy Director-General for Policy Planning, Minister's Secretariat, Ministry of the Environment Jul 2020 Director-General for Comprehensive Environmental Policy, Ministry of the Environment Jul 2022 Vice-Minister of the Environment, Ministry of the Environment Jul 2024 Advisor, Ministry of the Environment Jun 2025 Outside Director, the Company (current)

Apr 1981 Joined the Company Jun 2002 General Manager, Human Resources Department, the Company Apr 2006 Executive Officer, the Company Jun 2009 Director and Executive Officer, the Company Oct 2009 Deputy Head of Management Division; Deputy Head of Industrial Business Division, the Company Apr 2010 General Manager, Industrial Business Division, the Company Apr 2013 Director and Managing Executive Officer, the Company Jun 2013 Chairman, Tsukishima Machine Sales Co., Ltd. (now Tsukishima Kikai Co., Ltd.) Jun 2015 Representative Director, President, Tsukishima Machine Sales Co., Ltd. Apr 2016 Director, the Company Jun 2019 Representative Director, President, Sun Eco Thermal Co., Ltd. Apr 2020 Managing Executive Officer, General Manager, Muroran Plant, Industrial Business Division, the Company; Representative Director, Chairman, Sun Eco Thermal Co., Ltd. Apr 2021 Managing Executive Officer, General Manager, Muroran Plant, Procurement Division, the Company Apr 2023 Director and Managing Executive Officer, in charge of Muroran Plant, General Manager, Muroran Plant, Tsukishima Kikai Co., Ltd. Jun 2025 Standing Corporate Auditor, the Company (current)

Apr 1977 Joined Nippon Steel Corporation (now Nippon Steel Corporation) Nov 1994 General Manager, Accounting and Operations Office, General Affairs Department, Sakai Works, Nippon Steel Corporation Oct 2003 Director, Nippon Steel & Sumikin Stainless Steel Corporation (now Nippon Steel Stainless Steel Corporation) Apr 2006 Managing Executive Officer, Nippon Steel & Sumikin Stainless Steel Corporation Jun 2015 Standing Corporate Auditor, Nippon Steel & Sumikin Stainless Steel Corporation Jun 2020 Outside Corporate Auditor, the Company (current)

Oct 1986 Joined Sanwa Aoki Audit Corporation (now Deloitte Touche Tohmatsu LLC) Jul 2001 Partner, Deloitte Touche Tohmatsu LLC Jul 2010 Director, Japanese Institute of Certified Public Accountants Jul 2013 Managing Director, Japanese Institute of Certified Public Accountants (current) Jun 2022 Vice Chairman, Tokyo Chapter, Japanese Institute of Certified Public Accountants (current) Jun 2025 Outside Corporate Auditor, the Company (current)