Apr 1982 Joined Dainippon Ink and Chemicals, Inc. Jan 1985 Joined Micron Precision Co., Ltd. Jun 1988 Vice President, Micron-U.S.A., Inc. May 1999 President, Micron-U.S.A., Inc. Jun 1999 Director, the Company Feb 2004 Managing Director, the Company Feb 2005 Chief Executive Officer, Micron-U.S.A., Inc. (current) Feb 2006 Senior Managing Director, the Company Feb 2007 Senior Managing Director, Head of Administration Department, the Company Feb 2009 Representative Director, President, the Company (current) Mar 2011 President, Micron Machinery (Thailand) Co., Ltd. (current) May 2023 Director, Mikelun Precision Machinery (Suzhou) Co., Ltd. (current)

Apr 1986 Joined Seiko Electronic Industries Co., Ltd. Jul 2000 Seconded to Seiko Instruments USA Inc. Oct 2001 Joined the Company Jun 2006 Deputy Head, Manufacturing Division, the Company Dec 2006 Head of Sales Department, the Company Feb 2007 Director, the Company Feb 2011 Director, Micron-U.S.A., Inc. (current) Mar 2011 Director, Micron Machinery (Thailand) Co., Ltd. (current) Dec 2015 Director, Head of Sales Division, the Company Sep 2018 Director, Head of Design Division and Head of Sales Division, the Company Dec 2021 Director, Head of Design Division, Head of Sales Division and Head of Medical Business Division, the Company Nov 2022 Managing Director, Head of Design Division, Head of Sales Division and Head of Medical Business Division, the Company (current) May 2023 Chairman, Mikelun Precision Machinery (Suzhou) Co., Ltd. (current)

Apr 1986 Joined the Company Dec 2005 Manager, Technology Section 1, Technology Department, the Company Jun 2012 Deputy Head, Sales Department, the Company Dec 2015 Head of Manufacturing Department, the Company Sep 2016 Head of Technology Department, the Company Nov 2016 Director, Head of Technology Department, the Company Nov 2022 Managing Director, Head of Technology Department, the Company Feb 2023 Managing Director, Head of Technology Department and CDO (Chief Digitalizing Officer), the Company (current) May 2023 Director, Mikelun Precision Machinery (Suzhou) Co., Ltd. (current)

Apr 1988 Joined the Company Jun 2002 Manager, Accounting Section, General Affairs Department, the Company Dec 2006 Deputy Head, Administration Department, the Company Dec 2011 Deputy Head, Procurement Department, the Company Feb 2013 Audit & Supervisory Board Member, the Company Nov 2014 Director, the Company Dec 2015 Director, Head of Administration Division, the Company Nov 2019 Director, Head of Administration Department, the Company (current) May 2023 Supervisor, Mikelun Precision Machinery (Suzhou) Co., Ltd. (current)

Jan 1990 Joined the Company Dec 2007 Manager, Control Section 2, Technology Department, the Company Sep 2015 Deputy Head, Design Department, the Company Sep 2016 Head of Control Department, the Company Sep 2018 Head of Manufacturing Department, the Company Nov 2019 Director, Head of Manufacturing Department, the Company Sep 2021 Director, Head of Procurement Department, the Company Dec 2023 Director, Head of Production Division and Head of Procurement Department, the Company (current)

Apr 1989 Joined the Company Dec 2005 Manager, Technology Section 2, Technology Department, the Company Sep 2011 Manager, Tokyo Sales Office, Sales Department, the Company Jun 2016 Deputy Head, Sales Department, the Company Sep 2020 Head of Sales Department, the Company Nov 2022 Director, Head of Sales Department, the Company (current)

Oct 1984 Joined Chuo Accounting Office (audit corporation) Sep 1988 Registered as Certified Public Accountant Jan 1990 Joined Ohta Showa Audit Corporation (now EY ShinNihon LLC), Yamagata Office May 1997 Partner, Ohta Showa Audit Corporation (now EY ShinNihon LLC) Jul 2011 Head of Yamagata Office, ShinNihon LLC (now EY ShinNihon LLC) Jun 2017 Retired from the audit corporation Jul 2017 Head, Masanori Oshino Certified Public Accountant Office (current) Nov 2017 Director, the Company (current) Jun 2020 Director, Audit and Supervisory Committee Member, The Yamagata Bank, Ltd. (current)

Feb 1989 Joined the Company Dec 2004 Manager, General Affairs Section, Administration Department, the Company Dec 2011 Manager, Administration Section, Administration Department, the Company Sep 2017 Manager, General Affairs Section, Administration Department, the Company Nov 2018 Full-time Audit & Supervisory Board Member, the Company (current)

Apr 2003 Head of Human Resources Department, The Yamagata Bank, Ltd. Jun 2005 Director, Head of Internal Audit Department, The Yamagata Bank, Ltd. Jun 2008 Full-time Audit & Supervisory Board Member, The Yamagata Bank, Ltd. Jun 2015 Retired as Full-time Audit & Supervisory Board Member, The Yamagata Bank, Ltd. Nov 2015 Audit & Supervisory Board Member, the Company (current)

Apr 1974 Joined Shokusan Mutual Bank, Ltd. Oct 2002 Head of Promotion Department, Sales Division, Shokusan Bank, Ltd. May 2007 Executive Officer, Head of Regional Division, Kirayaka Bank, Ltd. Apr 2009 Managing Executive Officer, Head of Main Branch Sales Department, Kirayaka Bank, Ltd. Jun 2012 Retired from Kirayaka Bank, Ltd. Jul 2012 Representative Director, President, Marutani Co., Ltd. Nov 2016 Audit & Supervisory Board Member, the Company (current) Jun 2019 Chairman of the Board, Marutani Co., Ltd. Jun 2024 Retired as Chairman of the Board, Marutani Co., Ltd.