Jul 1986 Joined Hirayama Co., Ltd. (now the Company) Nov 1989 Senior Managing Director, the Company Jul 1993 Representative Director, President, the Company (current) Mar 2009 Representative Director, Chairman, Top Engineering Co., Ltd. Dec 2016 Representative Director, President, Hirayama Spin-off Preparation Co., Ltd. (now Hirayama Co., Ltd.) (current) Jan 2017 Representative Director, President, Hirayama LACC Co., Ltd. Feb 2017 Representative Director, President, Hirayama Global Supporter Co., Ltd. Sep 2019 Representative Director, President, Top Engineering Co., Ltd. Sep 2023 Representative Director, Chairman, Hirayama LACC Co., Ltd. (current) Oct 2024 Representative Director, Chairman, Top Engineering Co., Ltd. (current)

Apr 1987 Joined Hirayama Co., Ltd. (now the Company) Jan 1990 Director, the Company Jul 1993 Senior Managing Director, the Company Jul 2007 Senior Managing Director, General Manager of Corporate Planning Office, the Company Aug 2009 Managing Director, Top Engineering Co., Ltd. Jan 2011 Representative Director, President, Top Engineering Co., Ltd. Jul 2014 Senior Managing Director, General Manager of Sales Division, the Company Jul 2014 Director, Top Engineering Co., Ltd. (current) Jul 2016 Senior Managing Director, General Manager of Insourcing and Dispatch Business Division, the Company Dec 2016 Senior Managing Director, Hirayama Spin-off Preparation Co., Ltd. (now Hirayama Co., Ltd.) Mar 2017 Senior Managing Director, the Company (current) Senior Managing Director, General Manager of Insourcing and Dispatch Business Division, Hirayama Spin-off Preparation Co., Ltd. (now Hirayama Co., Ltd.) Sep 2025 Vice President, Director, Hirayama Co., Ltd., General Manager of Insourcing and Dispatch Business Division (current)

Apr 1970 Joined Hitachi Maxell, Ltd. Jun 1992 Representative Director, President, Hitachi Maxell Europe Ltd. Jun 1999 Officer, Deputy General Manager, Special Sales and International Sales Headquarters, Hitachi Maxell, Ltd. Apr 2002 Director, General Manager, B2B Sales Headquarters, Hitachi Maxell, Ltd. Jun 2003 Executive Officer, General Manager, B2B Sales Headquarters, Hitachi Maxell, Ltd.; Chairman, Hitachi Maxell Europe Ltd. Jun 2004 Executive Officer, Managing Director, General Manager, Global Sales Headquarters, Hitachi Maxell, Ltd.; Chairman, Hitachi Maxell America, Ltd. Jun 2008 Executive Officer, Senior Managing Director and Director in charge of Sales Division, Hitachi Maxell, Ltd.; President, Kyushu Hitachi Maxell, Ltd. Jun 2010 Senior Managing Director in charge of Sales and Core Business Division, Hitachi Maxell, Ltd.; Representative Director, Kyushu Hitachi Maxell, Ltd. Apr 2011 Director, Hitachi Maxell, Ltd.; President, Kyushu Hitachi Maxell, Ltd. Apr 2012 Director, Hitachi Maxell, Ltd.; in charge of Information Security Business Headquarters, Kyushu Hitachi Maxell, Ltd. Sep 2022 Director, the Company (current)

Apr 1986 Research Assistant, Faculty of Engineering, Hokkaido University Apr 1990 Joined Nissan Motor Co., Ltd., Space and Aerospace Division May 1992 Joined Mitsui Toatsu Chemicals, Inc. (now Mitsui Chemicals, Inc.) Oct 2009 General Manager, New Materials Development Center, Mitsui Chemicals, Inc. Apr 2012 Executive Officer, General Manager, Environment and Energy Business Promotion Office and New Materials Development Center, Mitsui Chemicals, Inc. Apr 2016 Executive Officer, General Manager, Next-Generation Business Development Office, Mitsui Chemicals, Inc. Apr 2017 Managing Executive Officer, Research and Development Division, Mitsui Chemicals, Inc. Apr 2020 Advisor, Research and Development Division, Mitsui Chemicals, Inc. Sep 2022 Director, the Company (current) Apr 2023 Technical Advisor, Mitsui Chemicals Analysis & Consulting, Inc. Apr 2023 Researcher, Institute for Catalysis, Hokkaido University Apr 2024 Professor, Research Support Program, Institute for Catalysis, Hokkaido University (current) May 2025 Auditor, The Chemical Society of Japan (current)

Apr 1975 Joined Sendai Regional Taxation Bureau Transferred to Tokyo Regional Taxation Bureau Jul 2004 Deputy Director, Sendai Naka Tax Office Jul 2006 Deputy Director, Hachioji Tax Office Jul 2007 Special National Tax Investigator, Investigation Department I, Tokyo Regional Taxation Bureau Jul 2009 Chief National Tax Agency Inspector (dispatched), Kanto-Shinetsu Regional Taxation Bureau Jul 2011 Chief Inspector, Special Investigation Department, Tokyo Regional Taxation Bureau Jul 2013 Chief Examiner, Taxation Department I, Tokyo Regional Taxation Bureau Jul 2014 Chief, Document Investigation Section II, Taxation Department II, Tokyo Regional Taxation Bureau Jul 2015 Director, Sagamihara Tax Office Aug 2017 Certified Tax Accountant, Goto Yuichi Tax Accounting Office May 2018 Director, Takahashi Hiroyoshi Tax Accounting Office (current) Sep 2018 Full-time Audit & Supervisory Board Member, the Company (current)

Apr 1977 Joined Ministry of Labour; appointed Labour Standards Inspector Apr 2004 Director, Labour Finance Office, Ministry of Health, Labour and Welfare Apr 2007 Director-General, Kagoshima Labour Bureau, Ministry of Health, Labour and Welfare Sep 2008 Managing Director, Japan International Human Resource Development Organization Apr 2011 Senior Advisor, Central Labour Bank (Chuo Rokin) Apr 2017 Human Capital Development Consultant (current) Sep 2018 Audit & Supervisory Board Member, the Company (current)

Jun 1978 Joined Tokyo Immigration Office (now Tokyo Regional Immigration Bureau) Apr 2016 Director, Residence Management Office, Immigration Bureau, Ministry of Justice Apr 2017 Director, Haneda Airport Branch, Tokyo Immigration Bureau Apr 2018 Commissioner, Hiroshima Regional Immigration Bureau Mar 2020 Retired from the same post Jun 2020 Chief Counselor, Japan Foundation for International Human Resources Cooperation Mar 2024 Retired from the same post Jul 2025 Immigration Inspector, Fukuoka Regional Immigration Bureau Mar 2026 Retired from the same post