Apr 1972 Joined the Company Jun 1979 Director of the Company Jun 1981 Deputy General Manager, Administration Division of the Company Apr 1985 Senior Managing Director of the Company Mar 1986 General Manager, Sales Division of the Company Oct 1986 Representative Director, President of the Company Dec 2001 Chairman, Shanghai Nishikawa Sealing Parts Co., Ltd. Jun 2004 Chairman, Guangzhou Nishikawa Sealing Parts Co., Ltd. May 2005 Chairman, Nishikawa Rubber (Shanghai) Co., Ltd. Jun 2017 Representative Director, Chairman of the Company Apr 2025 Director, Chairman of the Company (current)

Apr 1985 Joined the Company Apr 2002 General Manager, Shanghai Nishikawa Sealing Parts Co., Ltd. Jul 2008 Executive Officer of the Company Oct 2010 In charge of Global Administration Division of the Company Mar 2011 Vice Chairman, Shanghai Nishikawa Sealing Parts Co., Ltd.; Vice Chairman, Guangzhou Nishikawa Sealing Parts Co., Ltd. Jun 2013 Director of the Company; General Manager, Global Administration Division and General Manager, Program Management Department of the Company Jun 2014 General Manager, Global Administration Division of the Company Mar 2015 General Manager, Global Administration Division and General Manager, Global Business Promotion Department of the Company Apr 2015 Chairman, Shanghai Nishikawa Sealing Parts Co., Ltd. (current); Chairman, Guangzhou Nishikawa Sealing Parts Co., Ltd. (current); Chairman, Nishikawa Rubber (Shanghai) Co., Ltd. (current) Jul 2017 General Manager, Global Administration Division of the Company Aug 2017 Commissaris, PT. Nishikawa Karya Indonesia (current) Jun 2018 Managing Director of the Company Dec 2018 Representative Director, Nishikawa Sealing Systems Mexico S.A. de C.V. (current) Feb 2019 Chairman, Hubei Nishikawa Sealing Systems Co., Ltd. (current) Jun 2019 In charge of Sales Division of the Company Jun 2020 Senior Managing Director of the Company Jun 2021 In charge of Production Division of the Company Apr 2023 Representative Director, President of the Company (current) Jun 2025 President and Executive Officer of the Company (current)

Mar 1992 Joined the Company Jun 1995 Sales Engineer, Nishikawa Standard Company (now Nishikawa Cooper LLC) Jun 2012 General Manager, Sales Engineering Department of the Company Jun 2016 Executive Officer of the Company; Deputy General Manager, Technology Division of the Company Mar 2017 Deputy General Manager, Technology Division and General Manager, Sales Engineering Department of the Company; in charge of Product Development Department Jun 2017 Senior Executive Officer of the Company Jun 2018 Director of the Company Jun 2020 General Manager, Technology Division and General Manager, Sales Engineering Department of the Company Mar 2021 General Manager, Technology Division of the Company Mar 2022 Representative Director, President, Nishikawa Design Techno Co., Ltd. (current) Jun 2022 Managing Director of the Company Apr 2023 General Manager, Technology and Production Headquarters, General Manager, Design and Development Headquarters, and General Manager, Monozukuri Development Headquarters of the Company Jun 2024 Senior Managing Director of the Company Apr 2025 Representative Director, Vice President of the Company (current); General Manager, Technology and Production Headquarters of the Company Jun 2025 Vice President and Executive Officer of the Company (current) Oct 2025 In charge of Technology, Production, Sales and Quality Assurance of the Company (current)

Apr 1989 Joined the Company Oct 2004 Vice President in charge of Administration, Nishikawa Tachaprarat Rubber Co., Ltd. (now Nishikawa Tachaprarat Cooper Ltd.) Apr 2015 General Manager, Human Resources Department of the Company Jun 2017 Executive Officer of the Company; Deputy General Manager, Administration Division of the Company Jun 2023 Senior Executive Officer of the Company; General Manager, General Affairs and Human Resources Division of the Company Apr 2025 Assigned to the Audit and Supervisory Committee Office of the Company Jun 2025 Director (Full-time Audit and Supervisory Committee Member) of the Company (current)

Apr 1982 Registered as Attorney-at-Law Jul 2011 Joined Hiroshima Sogo Law and Accounting Office (Attorneys at Law Corporation) Jun 2012 Corporate Auditor of the Company Jun 2015 Director of the Company Jun 2017 Director (Audit and Supervisory Committee Member) of the Company (current) Jan 2019 Managing Partner, Hiroshima Sogo Law and Accounting Office (Attorneys at Law Corporation) Jun 2020 Outside Corporate Auditor, The Hiroshima Bank, Ltd. Jun 2025 Outside Director (Audit and Supervisory Committee Member), The Hiroshima Bank, Ltd. (current)

Apr 1973 Joined Toyo Kogyo Co., Ltd. (now Mazda Motor Corporation) Mar 2001 Director, Technical Research Institute, Mazda Motor Corporation Jun 2005 Full-time Corporate Auditor, Mazda Motor Corporation Jun 2013 Full-time Corporate Auditor, Mazda Motor Corporation; retired Jun 2015 Director of the Company Jun 2017 Director (Audit and Supervisory Committee Member) of the Company (current)

Oct 1984 Joined Asahi Audit Corporation (now Azusa Audit LLC) Apr 1988 Registered as Certified Public Accountant Apr 1993 Registered as Certified Tax Accountant Jun 2006 Left Azusa Audit LLC Oct 2010 Representative, Hiroshima Sogo Certified Public Accountants Joint Office (current) Jan 2011 Representative Partner, Hiroshima Sogo Tax Corporation (current) Jun 2015 Corporate Auditor of the Company Jun 2017 Director (Audit and Supervisory Committee Member) of the Company (current)

Apr 1989 Joined Toppan Printing Co., Ltd. (now TOPPAN Holdings Inc.) Apr 2002 Managing Director, Toppan Mindwellness Co., Ltd. (now TOPPAN Inc.) Jan 2014 Representative Director, Toppan Mindwellness Co., Ltd. Apr 2022 Sole proprietor, human resource development consulting Jun 2023 Outside Director, Advanex Inc. May 2024 Outside Director (Audit and Supervisory Committee Member), Arclands Corporation (current) Aug 2024 Representative Director, For SDGs Inc. (current) Jun 2025 Director (Audit and Supervisory Committee Member) of the Company (current); Outside Director, NICHIAS Corporation (current)

Apr 1991 Joined Nomura Securities Co., Ltd. May 2012 Joined Takeda Pharmaceutical Company Limited; General Manager, Strategy and Information Department Oct 2015 President, Takeda Pharmaceuticals Czech Republic s.r.o. Aug 2018 Joined Eisai Co., Ltd.; Executive Officer, Corporate Strategy Department Apr 2021 Director and President, Eisai Pharmaceuticals India Pvt. Ltd. Oct 2022 Director, Eisai Pharmaceuticals Africa (Pty) Ltd. Jun 2024 Joined Kansai Paint Co., Ltd.; Executive Officer and General Manager, Global Finance Division Apr 2026 Joined the Company; Managing Executive Officer of the Company Jun 2026 Senior Managing Director and Executive Officer of the Company (current); in charge of Global Management Strategy, Administration, Human Resources and Safety, and Procurement of the Company (current)

Apr 1994 Joined Ministry of International Trade and Industry (now Ministry of Economy, Trade and Industry) Oct 2017 Representative Director, Energy Policy Research Institute Inc. (current) Jun 2018 Outside Director, E-REX Co., Ltd.; Outside Director (Audit and Supervisory Committee Member), I.R. Japan Holdings Co., Ltd. Jun 2019 Managing Director, E-REX Co., Ltd. Jun 2026 Director (Audit and Supervisory Committee Member) of the Company (current)