Apr 1986: Joined the Company Oct 1988: Director, Deputy General Manager of General Group Apr 1992: Managing Director Jan 1995: Senior Managing Director, General Manager of Sales Apr 2011: Representative Director, Executive Vice President, General Manager of Sales Jan 2013: Chairman, Nisshin Tool (Hong Kong) Co., Ltd. (current) Apr 2013: Representative Director, President Oct 2016: Representative Director, President, in charge of Sales (current) Apr 2021: Representative Director, G-Tech Co., Ltd. (current) Nov 2021: President/CEO, NS TOOL USA, Inc. (current)

Apr 1984: Joined the Company Oct 1988: Director, Deputy General Manager of Production Headquarters Jan 2002: Senior Managing Director, General Manager of Production and Development Apr 2009: President, Representative Director, Nisshin Engineering Co., Ltd. Apr 2010: President, Representative Director, G-Tech Co., Ltd. Apr 2011: Senior Managing Director, General Manager of Production and Development Apr 2013: Representative Director, Executive Vice President Apr 2016: Representative Director, Nisshin Engineering Co., Ltd. (current) Oct 2016: Representative Director, Executive Vice President, in charge of Production and Development (current) Jan 2021: President, Representative Director, Makino Kogyo Co., Ltd. Apr 2024: Representative Director, Makino Kogyo Co., Ltd. (current)

Apr 1978: Joined AIU Insurance Company Apr 1985: Joined the Company Sep 2001: Director, General Manager of General Affairs Department Feb 2002: Director, General Manager of General Affairs Department; President, Representative Director, G-Tech Co., Ltd. Jun 2003: Director of the Company; President, Representative Director, G-Tech Co., Ltd. Apr 2005: Managing Director of the Company (Chief Information Officer) Nov 2015: President, Representative Director, Makino Kogyo Co., Ltd. Oct 2016: Managing Director of the Company, in charge of General Affairs and Management (Chief Information Officer) Apr 2017: Chairman, Representative Director, Makino Kogyo Co., Ltd. Sep 2020: Chairman and President, Representative Director, Makino Kogyo Co., Ltd. Apr 2026: Chairman, Representative Director, Makino Kogyo Co., Ltd. (current) Apr 2026: Managing Director of the Company, in charge of General Affairs and Finance & Accounting (Chief Information Officer) (current)

Apr 1984: Joined The Tokai Bank, Limited (now MUFG Bank, Ltd.) Oct 2006: General Manager, Corporate Division No. 1, Yokohama Branch, MUFG Bank, Ltd. Oct 2009: Seconded to Mitsubishi UFJ Securities Co., Ltd. (now Mitsubishi UFJ Morgan Stanley Securities Co., Ltd.) Apr 2010: Registered as Certified Tax Accountant (Chiba Certified Tax Accountants Association) Jun 2014: General Manager, Corporate Division No. 5, Mitsubishi UFJ Morgan Stanley Securities Co., Ltd. Apr 2020: Joined the Company, assigned to President's Office Jun 2020: Director, Head of President's Office Feb 2021: Director, General Manager of Administration Department Jul 2021: Director, General Manager of Corporate Planning Office and Administration Department Apr 2026: Director, General Manager of Corporate Planning Office and Finance & Accounting Department (current)

Apr 1982: Joined Mitsubishi Metal Corporation (now Mitsubishi Materials Corporation) Apr 1988: Seconded to MMC Hardmetal GmbH Jun 2004: Marketing Department, Carbide Products Business Division, Mitsubishi Materials Corporation Apr 2013: Seconded to MMC Hardmetal (Thailand) Co., Ltd.; Technical Center Director Nov 2015: Deputy Center Director, Processing Technology Center, Research and Development Headquarters, Mitsubishi Materials Corporation Apr 2021: Division Manager, Product Strategy Office, Marketing Department, Strategy Headquarters, Mitsubishi Materials Corporation Dec 2024: Advisor to the Company Jun 2025: Director of the Company (current)

Apr 1985: Joined Universal Securities Co., Ltd. (now Mitsubishi UFJ Morgan Stanley Securities Co., Ltd.) Mar 2005: Joined the Company, General Manager of Corporate Planning Office Apr 2010: General Manager of Administration Department Jun 2010: Director, General Manager of Administration Department Jun 2012: Executive Officer, General Manager of Administration Department Apr 2018: Executive Officer, General Manager of Corporate Planning Office Jun 2021: Director (Audit and Supervisory Committee Member) (current)

Jun 1980: Joined Chuo Kaikei Jimusho Audit Corporation Sep 1998: Representative Partner, Chuo Kaikei Jimusho Audit Corporation Jul 2007: Representative Partner, A&A Partners Audit Corporation Jun 2010: Outside Audit & Supervisory Board Member, Tokatsu Holdings Co., Ltd. Sep 2014: Outside Audit & Supervisory Board Member, Nihon Jutaku Service Co., Ltd. (now Sannexta Group Co., Ltd.) Sep 2016: Left A&A Partners Audit Corporation Oct 2016: Opened Certified Public Accountant Kenichi Sasamoto Office; Representative (current) Jun 2018: Outside Audit & Supervisory Board Member, Tokatsu Holdings Co., Ltd. Jun 2019: Director (Audit and Supervisory Committee Member) of the Company (current) Jun 2019: Outside Director (Audit and Supervisory Committee Member), Tokatsu Holdings Co., Ltd. Sep 2020: Outside Director (Audit and Supervisory Committee Member), Sannexta Group Co., Ltd. (current)

Nov 1991: Vice President, Citytrust Banking Corporation Oct 1993: Senior Portfolio Manager and Head of Individual Asset Management Department, Citytrust Banking Corporation Jan 2000: Director, Head of Asset Management Department, Funex Asset Management Co., Ltd. Mar 2004: Established Trias Co., Ltd.; President, Representative Director (current) Mar 2020: Outside Director, Outsourcing Inc. Jun 2021: Outside Director, Hochiki Corporation (current) Jun 2022: Outside Director, Daiichi Kogyo Seiyaku Co., Ltd. (current) Jun 2023: Director (Audit and Supervisory Committee Member) of the Company (current) Mar 2026: Outside Director, JUKI Corporation (current)

Mar 1978: Joined Ogura Industrial Co., Ltd. (now Ogura Metal Co., Ltd.) Apr 1994: Managing Director, Education and Personnel, General Affairs Department, Ogura Industrial Co., Ltd. Apr 1997: Member, Steering Committee, Kanto Polytechnic College, Ministry of Health, Labour and Welfare (current) Jun 2006: Managing Director, Ogura Metal Co., Ltd. and OMC Co., Ltd. Jun 2009: Vice President and Director, Ogura Metal Co., Ltd. Apr 2023: Chairman, Ashikaga Industry-Academia-Government Collaboration Center (current) Jun 2024: Vice President and Director, OMC Co., Ltd. (current) Jun 2024: Senior Advisor, Ogura Metal Co., Ltd. (current) Apr 2025: Judge, Tochigi Productivity Center Management Quality Award Jun 2026: Director (Audit and Supervisory Committee Member) of the Company (current)

Nov 2002: Passed National Bar Examination Oct 2004: Registered as Attorney-at-Law; joined Hasegawa Toshiaki Law Office Apr 2010: Joined Hiraga Law Office Jun 2026: Opened Hiraga Law Office (current) Jun 2026: Director (Audit and Supervisory Committee Member) of the Company (current)