Oct 1995 Suga Shin Certified Public Accountant Office (Part-time) Jan 1999 Keiko Shigeno Certified Public Accountant Office Jan 2007 Hinata Audit Corporation, Partner Jan 2010 Hinata Audit Corporation, Representative Partner Jan 2015 YA-MAN Ltd., Outside Director Jun 2018 Nihon Insulation Co., Ltd., Outside Audit & Supervisory Board Member Jul 2019 Reiwa Accounting Tax Corporation, Representative Partner Sep 2021 Yaman Scholarship Foundation (now Public Interest Incorporated Foundation), Director (current) Apr 2022 Joined the Company; Head of Business Strategy Division Jun 2022 Director, Head of Business Strategy Division Jul 2022 Representative Director, President and Executive Officer (current) Apr 2025 Miracle Accounting Co., Ltd., Representative Director (current) Apr 2025 Reiwa Accounting Practice Research Institute, Director (current)

Apr 2005 Joined Heisei Accounting Tax Corporation Apr 2016 Heisei Accounting Tax Corporation, Head of Division Jul 2019 Reiwa Accounting Tax Corporation, Partner Jun 2020 Reiwa Investment Co., Ltd., Representative Director (current) Feb 2021 HSK Business Succession Support Co., Ltd., Representative Director Apr 2021 Joined the Company; Head of Second Business Department, Business Division Apr 2022 Head of Business Division Jun 2022 Director, Head of Business Division Jul 2022 Director, Managing Executive Officer, Head of Business Division Jun 2025 Director, Senior Managing Executive Officer, Head of Administration Headquarters Apr 2026 Director, Senior Managing Executive Officer, Head of Business Division (current)

Apr 1979 Joined Daiwa Bank, Ltd. (now Resona Bank, Ltd.) Jun 2010 Resona Bank, Ltd., Managing Executive Officer Apr 2012 Saitama Resona Bank, Ltd., Full-time Audit & Supervisory Board Member Feb 2015 Hokko Chemical Industry Co., Ltd., Full-time Audit & Supervisory Board Member Jul 2016 Hokko Chemical Industry Co., Ltd., Senior Managing Executive Officer Jul 2016 Hokko Sangyo Co., Ltd., Director Jul 2016 YA-MAN Ltd., Outside Director (current) Feb 2018 Hokuko Packs Co., Ltd., Representative Director Jul 2020 Murata Cho Co., Ltd., Director Feb 2021 Murata Cho Co., Ltd., Representative Director, President Jun 2021 Director of the Company Jun 2021 Nomura Trading Co., Ltd., Outside Director (Audit and Supervisory Committee Member) Sep 2021 Hokko Chemical Industry Co., Ltd., Advisor Jun 2025 Director (Audit and Supervisory Committee Member) of the Company (current) Jul 2025 YA-MAN Ltd., Outside Director (Audit and Supervisory Committee Member) (current)

Apr 1990 Joined Asahi Shinwa Audit Corporation (now Azsa LLC) Jul 1993 Joined Yamada Junichiro Certified Public Accountant and Tax Accountant Office (now Yamada & Partners Tax Corporation) Sep 1996 Joined Ryo Oshiumi Certified Public Accountant Office Apr 1999 Yusei Audit Corporation (now Taiyo LLC), Partner (part-time) Sep 2000 Oshiumi General Accounting Office, Established Nov 2000 Yusei Audit Corporation, Representative Partner (part-time) Jan 2010 Oshiumi General Accounting Office Tax Corporation, Representative Partner (current) Jan 2012 Tokyo Symphony Orchestra Foundation, Councillor (part-time) (current) Jun 2015 Japan Pair Go Association, Auditor (part-time) (current) Jul 2018 Taiyo LLC, Partner (part-time) May 2020 Sobal Corporation, Audit & Supervisory Board Member (part-time) (current) Aug 2021 Tamahome Corporation, Audit & Supervisory Board Member (part-time) (current) Jul 2022 YA-MAN Ltd., Audit & Supervisory Board Member (part-time) Jun 2025 Director (Audit and Supervisory Committee Member) of the Company (current)

Jan 1993 Staff Assistant, Senate Appropriations Committee, U.S. Congress (U.S. Federal Civil Servant / Republican Party) Apr 2002 Research Fellow, Research Institute of Economy, Trade and Industry (RIETI) Apr 2006 Associate Professor, Faculty of Management, Atomi University Jan 2007 Member, Fiscal System Council, Ministry of Finance Aug 2009 Member, House of Representatives Sep 2013 Associate Professor, Waseda University Global Leadership Program Jul 2015 Director, Global Business Society of Japan (current) Apr 2017 Professor, Faculty of Social Sciences, Waseda University Jan 2018 Distinguished Fellow, Maureen and Mike Mansfield Foundation (current) Jul 2020 Outside Director, TOPPAN Holdings Inc. (current) Jul 2021 President, Global Business Society of Japan (current) Apr 2022 Professor, Waseda University Center for International Education (current) Aug 2023 Representative Director, Impressio Inc. (current) Apr 2025 Chairperson, Tokyo Foundation for Policy Research (current) Nov 2025 Outside Director, Idoma Holdings Co., Ltd. (current) Jun 2026 Director (Audit and Supervisory Committee Member) of the Company (current)