Mar 2004 Joined the Company; General Manager, Overseas Sales Department Jun 2004 Director; General Manager, Sales Department Jun 2007 Representative Director, President (current) NIKKI AMERICA FUEL SYSTEMS, LLC: Chairman of the Board Shenyang Nikki Carburetor Co., Ltd.: Chairman (current) Apr 2025 Member, Nomination and Compensation Committee (current)

Dec 2006 Joined the Company; Deputy General Manager, Corporate Planning Office; General Manager, General Affairs Department May 2007 Director, Nikki Techno Co., Ltd. Jun 2007 Director; General Manager, General Affairs Department; Deputy General Manager, Corporate Planning Office Jun 2008 Director; General Manager, General Affairs Department, Corporate Planning Office and Affiliated Companies Office NIKKI AMERICA FUEL SYSTEMS, LLC: Director Oct 2010 Director; General Manager, General Affairs Department, Corporate Planning Office and Affiliated Companies Office; in charge of Sales Department Jan 2011 Director, NIKKI AMERICA, INC. (current) Aug 2011 Director, NIKKI INDIA FUEL SYSTEMS PRIVATE LIMITED (current) Oct 2011 Director; General Manager, General Affairs Department, Corporate Planning Office and Affiliated Companies Office; in charge of Sales, Quality Assurance and Integrated Management System Office May 2012 Vice Chairman, Shenyang Nikki Carburetor Co., Ltd. (current) Jun 2012 Director; General Manager, General Affairs Department, Corporate Planning Office and Affiliated Companies Office; in charge of Sales Department Aug 2013 Director, NIKKI (THAILAND) CO., LTD. (current) Jun 2016 Managing Director; in charge of Corporate Planning Office and Affiliated Companies Office Nov 2016 Managing Director; General Manager, General Affairs Department; in charge of Corporate Planning Office and Affiliated Companies Office Nov 2017 Managing Director; General Manager, General Affairs Department, Corporate Planning Office and Affiliated Companies Office Jun 2026 Managing Director; General Manager, Corporate Planning Office and Affiliated Companies Office (current)

Nov 1985 Joined the Company Dec 2011 Deputy General Manager, Manufacturing Department Jul 2014 General Manager, Manufacturing Department and NPS Promotion Office Jun 2017 Director; General Manager, Manufacturing Department and NPS Promotion Office; in charge of Production Control Department Shenyang Nikki Carburetor Co., Ltd.: Director (current) Tajima Seimitsu Kogyo Co., Ltd.: Director (current) Jun 2020 Director; General Manager, Manufacturing Department and Production Control Department; in charge of Production Engineering Department and NPS Promotion Office Apr 2022 Director; General Manager, Manufacturing Department, Production Control Department and NPS Promotion Office; in charge of Production Engineering Department Dec 2022 Director; General Manager, Manufacturing Department, Production Control Department and NPS Promotion Office Sep 2023 Director, Kanagawa Seiko Co., Ltd. (current) Jun 2025 Director; General Manager, Purchasing Department, Manufacturing Department and NPS Promotion Office (current) Sep 2025 Director, Oshima Kiko Co., Ltd. (current)

Apr 1994 Joined the Company Sep 2015 Deputy General Manager, Design Department Aug 2016 Representative Director, NIKKI KOREA CO., LTD. (current) Feb 2021 Deputy General Manager, Technology Development Department Jun 2023 Director; General Manager, Technology Development Department (current) Jun 2025 Director, NIKKI AMERICA, INC. (current)

Apr 1999 Joined the Company Jul 2021 Deputy General Manager, Production Control Department Jul 2024 Director, NIKKI AMERICA, INC. (current) Nov 2024 General Manager in charge, Sales Department Jun 2025 Director; General Manager, Sales Department and Production Control Department (current) Taihua Carburetor Co., Ltd.: Director (current) Tajima Seimitsu Kogyo Co., Ltd.: Director (current) Nikki Soltec Service Co., Ltd.: Director (current)

Apr 1999 Joined the Company May 2020 Deputy General Manager, Quality Assurance Department Jun 2025 Director; General Manager, Quality Assurance Department and Integrated Management System Office (current) NIKKI AMERICA, INC.: Director (current) Nikki Soltec Service Co., Ltd.: Director (current) Sep 2025 Director, Oshima Kiko Co., Ltd. (current)

Oct 1987 Joined Shinko Audit Corporation (currently EY ShinNihon LLC) Feb 1994 Passed the Third Examination for Certified Public Accountants Dec 1998 Left Chuo Audit Corporation Jan 1999 Joined Sakura Research Institute Jun 1999 Outside Corporate Auditor, the Company Dec 2001 Transferred to Japan Research Institute following company split Jul 2002 Opened Matsumura CPA Office (current) Feb 2004 Registered as Certified Tax Accountant; Outside Corporate Auditor, Bansei Co., Ltd. (current) Jun 2005 Representative Partner, Koa Audit Corporation (current) Jun 2013 Retired as Outside Corporate Auditor, the Company Jun 2015 Director (current) Apr 2025 Member, Nomination and Compensation Committee (current)

Jun 2020 Joined the Company; Corporate Auditor (current) Nikki Techno Co., Ltd.: Corporate Auditor (current) Nikki Soltec Service Co., Ltd.: Corporate Auditor (current) Shenyang Nikki Carburetor Co., Ltd.: Supervisor (current) Jul 2022 Supervisor, NIKKI KOREA CO., LTD. (current) Tajima Seimitsu Kogyo Co., Ltd.: Corporate Auditor (current) Sep 2025 Corporate Auditor, Oshima Kiko Co., Ltd. (current)

Apr 2026 Joined the Company; Executive Officer; General Manager in charge of Accounting, General Affairs Department; Deputy General Manager, Corporate Planning Office and Affiliated Companies Office Jun 2026 Director; General Manager, General Affairs Department; Deputy General Manager, Corporate Planning Office and Affiliated Companies Office (current) Nikki Techno Co., Ltd.: Director (current)

Oct 2001 Registered as attorney-at-law (current) Joined Miyakezaka Sogo Law Office (current) Jul 2008 Registered as attorney in New York State, USA Dec 2008 Registered as attorney in California State, USA (current) Jun 2020 Director, the Company (current) Jan 2021 Outside Director, Akadama Co., Ltd. Apr 2023 Professor (practitioner faculty), Gakushuin University Law School (current) Apr 2025 Member, Nomination and Compensation Committee (current)

Apr 1987 Registered as attorney-at-law (current) Joined Ishiguro Takeo Law Office Apr 1996 Joined Seimiya Ikuyama Law Office Jun 2023 Director, the Company (current) Apr 2025 Opened Yamanote Law Office (current) Member, Nomination and Compensation Committee (current)

Apr 1981 Joined Deloitte Haskins & Sells CPA Office (currently Deloitte Touche Tohmatsu LLC) Mar 1984 Registered as Certified Public Accountant (current) Jul 1993 Partner, Tohmatsu & Co. (currently Deloitte Touche Tohmatsu LLC) Jul 2014 Member, Evaluation Committee, Insurance Policyholders Protection Corporation of Japan Jun 2023 Corporate Auditor, the Company (current) Prudential Holding of Japan Co., Ltd.: Outside Corporate Auditor (current) Jun 2024 Outside Corporate Auditor, Internet Initiative Japan Inc. (current)

Feb 1983 Registered as Certified Public Accountant (current) Mar 1984 Joined Showa Audit Corporation (currently EY ShinNihon LLC) May 1996 Partner, Shin Nihon & Co., Ltd. (currently EY ShinNihon LLC) May 2002 Representative Partner, Shin Nihon & Co., Ltd. (currently EY ShinNihon LLC) Jul 2018 Opened Katsuhiko Hara CPA Office (current) Jun 2019 Outside Corporate Auditor, Prestige International Inc. (current) Jun 2024 Corporate Auditor, the Company (current) Dec 2025 Representative Partner, Right Hand Associates Tax Accountant Corporation (current)