Apr 1974 Joined Tokyo Shinwa Co., Ltd. (Note 1) Mar 1979 Joined the Company Apr 1989 General Manager, Head Office Sales Department II Apr 1993 General Manager, Nagoya Sales Department III Nov 1997 Director, General Manager, Nagoya Sales Department III Mar 1998 Director, General Manager, Nagoya Sales Department II Nov 1999 Director, General Manager, Head Office Sales Division and General Manager, Nagoya Sales Department II Nov 2001 Managing Director, in charge of Sales and Manufacturing Nov 2003 Senior Managing Director, General Manager, Manufacturing Division, in charge of Manufacturing Apr 2008 Senior Managing Director, in charge of Manufacturing Oct 2009 Executive Director, Yantai Santaku Shinwa Agitator Equipment Maintenance Co., Ltd. Mar 2012 Chairman, Yantai Shinwa Joining Technology Co., Ltd. Nov 2013 Representative Director, President (Chief Operating Officer, in charge of Manufacturing) Nov 2015 Representative Director, President (overall company management) Nov 2020 Representative Director, President and Executive Officer (overall company management) Nov 2023 Representative Director, Chairman (General Management, in charge of Manufacturing) (current)

Sep 1989 Joined the Company Apr 2000 Director, SHINWA INTEC Co., Ltd. (seconded) Nov 2011 Director of the Company, Representative Director, President, SHINWA INTEC Co., Ltd. May 2013 Representative Director, President, SHINWA (INDIA) ENGINEERING & TRADING PRIVATE LIMITED; Chairman, SHINWA REPRESENTAÇÃO COMERCIAL DO BRASIL LTDA.; Representative Director, PT. SANTAKU SHINWA INDONESIA; Representative Director, President, SHINWA INTEC MALAYSIA SDN. BHD. Mar 2015 Chairman and CEO, SHINWA U.S.A. CORPORATION Apr 2015 Director, General Manager, Overseas Business Division Nov 2016 Managing Director, General Manager, Overseas Business Division May 2017 Representative Director, President, SHINWA ENGINEERING S.A. de C.V. Jan 2018 Chairman, SHINWATEC LIMITED Nov 2018 Senior Managing Director, General Manager, Overseas Business Division Nov 2020 Director, Senior Managing Executive Officer, General Manager, Overseas Business Division Nov 2023 Representative Director, President and Executive Officer (overall company management, in charge of Overseas Operations) (current)

Apr 1993 Joined the Company Apr 2008 General Manager, Nagoya Sales Department III Apr 2012 General Manager, Nagoya Sales Department II Nov 2015 Executive Officer, General Manager, Nagoya Sales Department II Nov 2016 Director, General Manager, Nagoya Head Office, General Manager, Nagoya Sales Department I and Nagoya Sales Department II Jan 2018 Executive Director, Naoya Shinwa (Shanghai) Trading Co., Ltd. Nov 2018 Managing Director, General Manager, Sales Division and Chubu Head Office Nov 2020 Director, Managing Executive Officer, General Manager, Sales Division and Chubu Head Office Apr 2025 Director, Managing Executive Officer, General Manager, Sales Division, Chubu Head Office and Nagoya Sales Department I Nov 2025 Director, Senior Managing Executive Officer, General Manager, Sales Division, Chubu Head Office and Nagoya Sales Department I (current)

Apr 1991 Joined the Company Apr 2007 General Manager, Nagoya Sales Department I Apr 2010 Vice President and COO (seconded), SHINWA U.S.A. CORPORATION; Director Dec 2012 General Manager, Nagoya Sales Department III Nov 2015 Executive Officer, General Manager, Nagoya Sales Department III Nov 2017 Managing Executive Officer, General Manager, Nagoya Sales Department III Nov 2019 Director, General Manager, Nagoya Sales Department III Nov 2020 Director, Senior Executive Officer, General Manager, Nagoya Sales Department III and Supervisor, Strategic Sales Promotion Office Apr 2022 Director, Senior Executive Officer, Head of Strategic Business Area, General Manager, Strategic Sales Promotion Office and Supervisor, Nagoya Sales Department III (current)

Apr 1987 Joined the Company Apr 2007 Deputy General Manager, Nagoya Sales Department III Dec 2008 Deputy General Manager, Accounting Department and Chief, Procurement Section Apr 2010 General Manager, Procurement Department Nov 2015 Executive Officer, General Manager, Procurement Department Nov 2016 Executive Officer, General Manager, General Affairs Department Nov 2019 Director, General Manager, General Affairs Department Oct 2020 Representative Director, President, AISIN CORPORATION (current) Nov 2020 Director, Senior Executive Officer, General Manager, Administration Division and General Affairs Department Dec 2021 Director, Senior Executive Officer, General Manager, Administration Division Nov 2023 Director, Senior Executive Officer, General Manager, Administration Division and Information Systems Department (current)

Apr 1977 Joined NGK Spark Plug Co., Ltd. Jun 2003 Director, NGK Spark Plug Co., Ltd. Jun 2007 Managing Director, NGK Spark Plug Co., Ltd. Jun 2009 Senior Managing Director, NGK Spark Plug Co., Ltd. Jun 2011 Advisor and Technical Director, NGK Spark Plug Co., Ltd. Jun 2012 Outside Director, CKD Corporation Nov 2021 Director (Outside Director) of the Company (current)

Apr 1997 Research Assistant, Faculty of Economics, Nagoya University Mar 1999 Ph.D. (Economics), Nagoya University Apr 2007 Professor, Faculty of Business Administration, Chukyo University Jun 2015 Outside Director, CKD Corporation Jun 2020 Outside Director, Ibiden Co., Ltd. (current) Jun 2021 Outside Director, Okuma Corporation Oct 2021 Visiting Professor, Graduate School of Economics, Nagoya University Nov 2023 Director (Outside Director) of the Company (current) Sep 2024 Full-time Audit & Supervisory Board Member, Toyohashi University of Technology (current)

Apr 1983 Joined Nippon Shinyaku Co., Ltd. Apr 2013 General Manager, Kinki-Tokai Division, Sales Headquarters, Kyoto-Shiga-Hokuriku Branch Apr 2015 General Manager, Osaka Branch, West Japan Division, Sales Headquarters Apr 2017 General Manager, North Kanto-Koshinetsu Branch, Sales Headquarters Apr 2019 Deputy General Manager, Sales Planning Division, Sales Headquarters Jun 2019 Full-time Audit & Supervisory Board Member, Nippon Shinyaku Co., Ltd. Nov 2025 Director (Audit and Supervisory Committee Member) of the Company (current)

Apr 1988 Registered as Attorney-at-Law Apr 1988 Joined Matsuo General Law Office Apr 1994 Joined Naito Law Office (current) Nov 2003 Audit & Supervisory Board Member of the Company Jun 2006 Auditor, Tono Shinkin Bank (current) Nov 2015 Director of the Company Nov 2016 Director (Audit and Supervisory Committee Member) of the Company (current) Jan 2022 Audit & Supervisory Board Member, Natoco Co., Ltd. (current)

Apr 1983 Joined The Juroku Bank, Ltd. Jun 2014 Director, General Manager, Corporate Planning Division, The Juroku Bank, Ltd. Jun 2016 Director, Managing Executive Officer, General Manager, Sales Headquarters, The Juroku Bank, Ltd. Apr 2019 Director, Managing Executive Officer, The Juroku Bank, Ltd. Jun 2020 Representative Director, President, Juroku Research Institute Co., Ltd. Apr 2022 Chairman, Kanda Machiokoshi Co., Ltd. Jun 2022 Chairman, Juroku Research Institute Co., Ltd. Nov 2022 Director (Audit and Supervisory Committee Member) of the Company (current) Apr 2025 Visiting Professor, Chubu Gakuin University (current)

Aug 1996 Joined TAC Co., Ltd. Sep 2000 Joined Ito Accounting Firm Dec 2015 Joined PwC Arata LLC Oct 2023 Opened Mika Kimata Certified Public Accountant Office, Representative (current) Jun 2024 Outside Director, Protocorporation Co., Ltd. (current) Nov 2024 Director (Audit and Supervisory Committee Member) of the Company (current) Jun 2025 Outside Director, Jiban Net Holdings Co., Ltd. (current)