Apr 1984: Joined the Company Jun 2003: Executive Officer, General Manager, Electric Power and Telecommunications Sales Department Jun 2007: Director, General Manager, Electric Power and Telecommunications Sales Department Jun 2011: Director, General Manager, Electric Power and Telecommunications Sales Department; General Manager, Overseas Department Apr 2013: Director, General Manager, Electric Power and Telecommunications Sales Department; General Manager, Overseas Department; General Manager, Okinawa Branch Apr 2017: Managing Director, in charge of Sales Division; General Manager, Sales Management Office; General Manager, Overseas Department; General Manager, Okinawa Branch May 2017 (current): Representative Director, President, Nasu Denzai Sangyo Co., Ltd. Apr 2019: Managing Director, in charge of Sales Division; General Manager, Overseas Department; General Manager, Okinawa Branch May 2019 (current): Representative Director, President, Tohoku Nasu Denki Co., Ltd. May 2019 (current): Representative Director, President, Hokkaido Nasu Denki Co., Ltd. Jun 2019 (current): Representative Director, President of the Company, in charge of Sales May 2022 (current): Representative Director, President, Nasu Denki Shoji Co., Ltd.

Apr 1986: Joined the Company Apr 2010: General Manager, Intellectual Property Management Office Apr 2011: General Manager, Information Systems Department Jun 2017: Executive Officer, General Manager, Information Systems Department Mar 2020: Representative Director, Aizu Insulator Co., Ltd. Apr 2022: Executive Officer, General Manager, Yachiyo Plant May 2022: Representative Director, President, Nasu Kasei Co., Ltd. Jun 2022: Director, in charge of Production; General Manager, Yachiyo Plant Jun 2024: Director, in charge of Production; General Manager, Yachiyo Plant; in charge of Information Systems Department Jun 2025 (current): Managing Director, in charge of Administration and Production

Apr 1988: Joined the Company Apr 2017: General Manager, Electric Power and Telecommunications Sales Department Apr 2018: Executive Officer, General Manager, Electric Power and Telecommunications Sales Department Apr 2022: Executive Officer, General Manager, Electric Power and Telecommunications Sales Department; General Manager, Public Sales Department Apr 2023: Senior Executive Officer, General Manager, Electric Power and Telecommunications Sales Department Jun 2024: Director, General Manager, Electric Power and Telecommunications Sales Department; in charge of Technology Development Department May 2025 (current): Representative Director, President, Nasu Kasei Co., Ltd. Apr 2026 (current): Director, General Manager, Information Systems Department; General Manager, Electric Power and Telecommunications Sales Department; in charge of Technology Development Department

Apr 1980: Joined the Company Jun 2003: Executive Officer, General Manager, Public Sales Department Jun 2007: Director, General Manager, Public Sales Department Apr 2012: Managing Director, in charge of Sales Division Jun 2017: Senior Managing Director, in charge of Administration Division Jun 2024 (current): Director (Audit and Supervisory Committee Member)

Apr 1998: Joined Chuo Audit Corporation Apr 2002: Registered as Certified Public Accountant Sep 2003: Joined Chuo Sogo Business Consulting Co., Ltd. Sep 2007 (current): Opened Kazuo Kurotaki Certified Public Accountant Office Nov 2007: Registered as Certified Tax Accountant Jun 2014: Outside Audit & Supervisory Board Member, the Company Jun 2015 (current): Director (Audit and Supervisory Committee Member)

Dec 2008: Registered as Attorney-at-Law Jan 2009: Joined ITJ Law Office (Legal Professional Corporation) Jun 2011: Left ITJ Law Office (Legal Professional Corporation) Jun 2011: Joined Adire Law Office (Legal Professional Corporation) Sep 2013: Left Adire Law Office (Legal Professional Corporation) Oct 2013 (current): Entered Nuclear Damage Compensation Dispute Resolution Center (Nuclear Damage Compensation Dispute Settlement Mediation Office, Research and Development Bureau, Ministry of Education, Culture, Sports, Science and Technology) May 2024 (current): Joined Nishi-Shimbashi Law Office Jun 2024 (current): Director (Audit and Supervisory Committee Member)