Apr 1991 Joined Nippon Oil Corporation Apr 2008 President, Nippon Oil (U.S.A.) Ltd. Apr 2019 General Manager, Lubricants Sales Department, Lubricants Company, JXTG Energy Co., Ltd. Jun 2020 General Manager, Lubricants Sales Department, Lubricants Company, ENEOS Corporation Apr 2021 Executive Officer, ENEOS Corporation; General Manager, Osaka No. 2 Branch Jun 2023 Representative Director, President and Executive Officer, Fuji Kosan Co., Ltd. Oct 2025 Representative Director, President and CEO, the Company (current) Apr 2026 Chairman of the Board, Fuji Kosan Co., Ltd. (current)

Apr 1992 Joined Nippon Oil Corporation Apr 2020 General Manager, General Affairs Department, JXTG Energy Co., Ltd. Apr 2022 Branch Manager, Hokkaido Branch, ENEOS Corporation Apr 2024 Senior Executive Officer, General Manager, Human Resources and Systems Department, Fuji Kosan Co., Ltd. Jun 2025 Director and Executive Officer, General Manager, Administration Division and General Manager, Human Resources and Systems Department, Fuji Kosan Co., Ltd. Oct 2025 Director and Managing Executive Officer, Fuji Kosan Co., Ltd. (current); Director, Managing Executive Officer and CAO, the Company (current)

Apr 1993 Joined Fuji Kosan Co., Ltd. Jun 2022 General Manager, Accounting Department, Fuji Kosan Co., Ltd. Apr 2023 Executive Officer, General Manager, Accounting Department, Fuji Kosan Co., Ltd. Apr 2024 Executive Officer, General Manager, Accounting and Finance Department, Fuji Kosan Co., Ltd. Oct 2025 Director, Executive Officer and CFO, the Company (current)

Apr 1981 Joined Yamaha Motor Co., Ltd. Jan 2012 Executive Officer, Yamaha Motor Co., Ltd. Oct 2013 President and Representative Director, Yamaha Motor Vietnam Co., Ltd. Jan 2017 Senior Executive Officer, Head of CS Division, Yamaha Motor Co., Ltd. Jan 2019 President and Representative Director, Jubilo Iwata Co., Ltd. Apr 2023 Visiting Professor, Faculty of Policy Studies, Kansai University Jun 2024 Outside Director, Fuji Kosan Co., Ltd. Oct 2025 Outside Director, the Company (current)

Apr 1982 Joined The Mitsubishi Bank, Ltd. May 2009 General Manager, Third Sales Department, First Sales Division, MUFG Bank, Ltd. (formerly Mitsubishi UFJ Financial Group bank subsidiary, The Bank of Tokyo-Mitsubishi UFJ, Ltd.) Jul 2011 Advisor, Konica Minolta Holdings, Inc. Apr 2013 Executive Officer, General Manager, Corporate Strategy Department, Konica Minolta, Inc. Jun 2014 Managing Director and Executive Officer, Konica Minolta, Inc. Apr 2022 Senior Managing Director and Executive Officer, Konica Minolta, Inc. Apr 2023 Senior Executive Officer (Special Assignment), Konica Minolta, Inc. Apr 2024 Advisor, Konica Minolta, Inc. Jun 2024 Outside Director, Fuji Kosan Co., Ltd. Oct 2025 Outside Director, the Company (current)

Apr 1981 Joined Fuji Kosan Co., Ltd. Jun 2013 General Manager, New Business Promotion Office, Fuji Kosan Co., Ltd. Jun 2015 General Manager, Osaka Branch, Fuji Kosan Co., Ltd. Jun 2016 Executive Officer, General Manager, Osaka Branch, Fuji Kosan Co., Ltd. Jun 2018 Director and Executive Officer, General Manager, Sales Department, Fuji Kosan Co., Ltd. Jun 2021 Representative Director and Managing Executive Officer, General Manager, Sales Department, Fuji Kosan Co., Ltd. Apr 2022 Representative Director and Managing Executive Officer, Fuji Kosan Co., Ltd. Apr 2024 Representative Director and Managing Executive Officer, General Manager, Sales Division, Fuji Kosan Co., Ltd. Jun 2024 Director and Managing Executive Officer, General Manager, Sales Division, Fuji Kosan Co., Ltd. Apr 2026 Director and Managing Executive Officer, Fuji Kosan Co., Ltd. (current) Jun 2026 Director (Audit and Supervisory Committee Member), the Company

Apr 1994 Registered as Attorney-at-Law Apr 1994 Joined Kyowa Sogo Law Office Jul 2000 Joined Nishimura Sogo Law Office (now Nishimura & Asahi) Jan 2003 Admitted to the New York State Bar Jan 2005 Partner, Nishimura Tokiwa Law Office (now Nishimura & Asahi) May 2017 Partner, TMI Associates (current) Nov 2020 Outside Director (Audit and Supervisory Committee Member), Angel Group Co., Ltd. (current) Jun 2024 Outside Director (Audit and Supervisory Committee Member), Fuji Kosan Co., Ltd. Oct 2025 Outside Director (Audit and Supervisory Committee Member), the Company (current)

Oct 1999 Joined Asahi Audit Corporation (now Azsa LLC) Apr 2003 Registered as Certified Public Accountant Sep 2016 Vice Director, Sugiyama Masaaki CPA and Tax Accountant Office (current) May 2017 Outside Audit & Supervisory Board Member, Welcia Holdings Co., Ltd. Jun 2020 Outside Director (Audit and Supervisory Committee Member), Fuji Kosan Co., Ltd. Jun 2022 Outside Director (Audit and Supervisory Committee Member), Yushiro Chemical Industry Co., Ltd. (now Yushiro Co., Ltd.) (current) Oct 2025 Outside Director (Audit and Supervisory Committee Member), the Company (current)