Mar 1971 Joined the Company Apr 2001 Executive Officer, General Manager, Industrial Machinery Sales Division Apr 2004 Managing Executive Officer Jun 2005 Director Apr 2006 Senior Managing Director Apr 2013 Representative Director, President Apr 2017 Representative Director, Chairman and President Apr 2023 Representative Director, Chairman and CEO (current)

Apr 1993 Joined the Company Sep 2018 Director, Yashima Kankyo Engineering Co., Ltd. (concurrent) Apr 2019 General Manager, Transportation Systems Division Apr 2020 Executive Officer, General Manager, Transportation Systems Division Apr 2022 Senior Executive Officer, General Manager, Business Management Division Apr 2023 President and COO Jun 2023 Representative Director, President and COO Dec 2024 Representative Director, President and Group COO (current) Dec 2025 Chairman, Yashima Environmental Technology Promotion Foundation (current)

Apr 1987 Joined the Company Apr 2015 General Manager, Plant Business Division Apr 2017 Executive Officer, General Manager, Plant Division No. 2 Apr 2018 Director, Sanyo Plant Construction Co., Ltd. (concurrent) Nov 2018 Director, Nishi-Nihon Power Systems Co., Ltd. (concurrent) Apr 2019 Director, Yashima Information Systems Co., Ltd. (concurrent) Apr 2020 Senior Executive Officer, General Manager, Plant Engineering Business Unit Apr 2021 Managing Executive Officer, General Manager, Plant Engineering Business Unit Apr 2023 Senior Managing Executive Officer, General Manager, Business Management Division and General Manager, Transportation Systems Business Unit Apr 2023 Director, Yashima Plant Construction Co., Ltd. (concurrent) Jun 2023 Director, Chugoku Power Systems Co., Ltd. (concurrent) (current) Jun 2023 Director, Nishi-Nihon Power Systems Co., Ltd. (concurrent) (current) Apr 2024 Director, Yashima Control Systems Co., Ltd. (concurrent) (current) Apr 2025 Senior Managing Executive Officer, CMO, General Manager, Business Management Division Jun 2025 Director and Senior Managing Executive Officer, CMO, General Manager, Business Management Division (current)

Apr 1987 Joined Kokusai Electric Co., Ltd. Apr 2015 Joined the Company Jun 2015 Director, Yashima Control Systems Co., Ltd. (concurrent) Jun 2015 Audit & Supervisory Board Member, Yashima Eco System Co., Ltd. (concurrent) Apr 2017 General Manager, Corporate Planning Division Jun 2017 Executive Officer, General Manager, Corporate Planning Division Apr 2018 Senior Executive Officer, General Manager, Corporate Management Division Apr 2018 Director, Sanyo Plant Construction Co., Ltd. (concurrent) Jun 2018 Director, Chugoku Power Systems Co., Ltd. (concurrent) Nov 2018 Audit & Supervisory Board Member, Nishi-Nihon Power Systems Co., Ltd. (concurrent) Feb 2020 Senior Executive Officer, General Manager, Corporate Management Division and Finance Division, General Manager, Business Administration Department Jun 2020 Director and Senior Executive Officer, General Manager, Corporate Management Division and Finance Division Apr 2021 Director and Senior Executive Officer, General Manager, Corporate Management Division Apr 2022 Director, Yashima EI Technology Co., Ltd. (concurrent) Apr 2023 Director and Managing Executive Officer, General Manager, Corporate Management Division Oct 2024 Audit & Supervisory Board Member, Tokyo Kiden Co., Ltd. (concurrent) (current) Apr 2025 Director and Managing Executive Officer, CFO, General Manager, Corporate Management Division (current) Apr 2026 Audit & Supervisory Board Member, Yashima Control Systems Co., Ltd. (concurrent) (current) Apr 2026 Audit & Supervisory Board Member, Chugoku Power Systems Co., Ltd. (current) Apr 2026 Audit & Supervisory Board Member, Nishi-Nihon Power Systems Co., Ltd. (current)

Apr 1991 Joined Hitachi, Ltd. Jul 2017 General Manager, Legal Division, Hitachi, Ltd. Jul 2018 Joined PwC Consulting LLC as Managing Director, Risk Consulting Business Division Jan 2019 Joined the Company Apr 2019 General Manager, Legal & CSR Division Apr 2020 Executive Officer, General Manager, Legal & CSR Division Oct 2020 Director, Yashima Control Systems Co., Ltd. (concurrent) Apr 2021 Senior Executive Officer, General Manager, Administration Division Jun 2023 Director and Senior Executive Officer, General Manager, Administration Division Apr 2024 Director and Senior Executive Officer, Deputy General Manager, Corporate Management Division Apr 2025 Director and Managing Executive Officer, CHRO, Deputy General Manager, Corporate Management Division (current)

Apr 1974 Joined Chuo Kyodo Audit Corporation Sep 1975 Registered as Certified Public Accountant Oct 1993 Senior Partner, Asahi Audit Corporation Jun 2008 Opened Naohito Miya CPA Office (current) Jun 2009 Outside Audit & Supervisory Board Member, the Company Jun 2010 Outside Director, Tsukui Co., Ltd. Oct 2010 Senior Partner, Futaba Audit Corporation Jun 2012 Outside Audit & Supervisory Board Member, Tesec Co., Ltd. Jun 2016 Outside Director (Audit and Supervisory Committee Member), Tsukui Holdings Co., Ltd. Jun 2016 Outside Director (Audit and Supervisory Committee Member), the Company (current) Oct 2020 Outside Audit & Supervisory Board Member, Strawberry jams Co., Ltd. (current) Apr 2022 Director, Teisei Gakuen Educational Corporation

Sep 1978 Registered as Certified Public Accountant; opened CPA office (current) Mar 1988 Outside Audit & Supervisory Board Member, Maekawa Manufacturing Co., Ltd. (current) Dec 2004 Chairman of Audit Committee, City of Tsukuba Jun 2023 Outside Director (Audit and Supervisory Committee Member), the Company (current)

Apr 1982 Joined Kowa Oil Co., Ltd. Jun 2014 Executive Officer, General Manager, Technology Division, JX Nippon Oil & Energy Corporation Apr 2017 Director, Managing Executive Officer, General Manager, Manufacturing Division, JXTG Nippon Oil & Energy Corporation Apr 2019 Director, Senior Executive Vice President, JXTG Nippon Oil & Energy Corporation Jun 2020 Director, Senior Executive Vice President, ENEOS Holdings, Inc. (concurrent) Jun 2024 Outside Director (Audit and Supervisory Committee Member), the Company (current)

Apr 1998 Registered as Attorney-at-Law Jan 2007 Partner Attorney, Makinouchi & Kamiishi Law Office (now Makinouchi Law Office) Jun 2015 Audit & Supervisory Board Member, Japan Care Supply Co., Ltd. (current) Mar 2019 Opened Shiki no Hōritsu Jimusho; Attorney-at-Law (current) Jun 2026 Outside Director, the Company (current)