Apr 1984 Joined Taisei Corporation Apr 1987 Joined the Company Apr 1991 Seconded to ITOCHU Corporation Oct 1994 Deputy General Manager, Overseas Business Division, and General Manager, Operations Department, the Company Jun 1995 Director, General Manager, Overseas Business Division, and General Manager, Operations Department, the Company Jun 1996 Managing Director, in charge of President's Office, General Manager, Overseas Business Division, and General Manager, Operations Department, the Company Oct 1996 Representative Director, Executive Vice President, Assistant to the President, in charge of President's Office, General Manager, Overseas Business Division, the Company Nov 1996 Representative Director, President, the Company Jun 2003 Representative Director, President and CEO, the Company Jun 2019 Representative Director, Chairman and CEO, the Company Jan 2026 Representative Director, Chairman, CEO and CWO, the Company (current)

Jan 2014 Joined the Company Apr 2014 Seconded to Mitsui & Co., Ltd. Jan 2019 Deputy General Manager, Overseas Division, the Company Apr 2019 Executive Officer, Deputy General Manager, Overseas Division, in charge of China Business, the Company Apr 2020 Managing Executive Officer, General Manager, High-Performance Resins Division, the Company Apr 2022 Managing Executive Officer, General Manager, H&S Sales Division, the Company Apr 2023 Senior Managing Executive Officer, General Manager, H&S Business Division, the Company Apr 2024 Senior Managing Executive Officer, in charge of Special Assignments, the Company Jun 2024 Representative Director, President, COO and CWO, the Company Jan 2026 Representative Director, President, COO, in charge of H&S Business, the Company (current)

Apr 2004 Joined Ministry of Finance Jan 2006 Section Chief, Tax Bureau, Ministry of Finance Jul 2011 Deputy Director, IMF/World Bank Annual Meetings Preparation Office, Secretariat Division, Minister's Secretariat, Ministry of Finance Dec 2012 Joined Dream Incubator Inc. Mar 2015 Project Manager, Dream Incubator Inc. Apr 2015 Private Secretary to the Minister of Economy, Trade and Industry Dec 2016 Chief Strategy Officer, TORANOTEC Co., Ltd. Apr 2018 Director, Chief Strategy Officer, TORANOTEC Co., Ltd. Mar 2021 Director, TORANOTEC Co., Ltd. Mar 2021 Advisor, the Company Apr 2021 Managing Executive Officer, CDO, in charge of H&S Business, the Company Jun 2021 Director, Managing Executive Officer, CDO, in charge of H&S Business, the Company Apr 2023 Executive Vice President, CDO, assisting overall management, in charge of Recycled Wafer Business, the Company Apr 2025 Executive Vice President, CDO, General Manager, Digital Strategy Division, assisting overall management, in charge of Recycled Wafer Business, the Company Director, Executive Vice President, CFO and CDO, the Company Apr 2026 Director, Executive Vice President, CFO, CDO and CRO, the Company (current)

Apr 1981 Joined Sumitomo Bank, Ltd. (now Sumitomo Mitsui Banking Corporation) Apr 2008 Executive Officer, Sumitomo Mitsui Banking Corporation Apr 2011 Managing Executive Officer, General Manager, Corporate Banking Division, Sumitomo Mitsui Banking Corporation Jun 2013 Director, Sumitomo Mitsui Financial Group, Inc. (resigned Mar 2014) Apr 2014 Director and Senior Managing Executive Officer, Sumitomo Mitsui Banking Corporation Apr 2017 Director and Deputy President Executive Officer, Sumitomo Mitsui Banking Corporation (resigned Apr 2019) Jun 2017 Executive Deputy President, Sumitomo Mitsui Financial Group, Inc. (resigned Apr 2019) Apr 2019 Vice Chairman, Sumitomo Mitsui Banking Corporation (resigned Apr 2022) Apr 2019 Vice Chairman, Sumitomo Mitsui Financial Group, Inc. (resigned Apr 2022) Jun 2022 Representative Director, President, Ginsen Co., Ltd. Jun 2025 Outside Director, the Company (current) Outside Director, Nippon Chemiphar Co., Ltd. (current) Chairman of the Board, Ginsen Co., Ltd. (current)

Apr 1998 Joined Dentsu Inc. Mar 2005 Representative Director and CEO, Mikiko Saito Office Co., Ltd. (now SMO Inc.) (current) Jun 2021 Outside Director, the Company (current) May 2025 Outside Director, Heiday Hidaka Corporation (current) Jun 2025 Outside Director, Towa Bank, Ltd. (current)

Jan 2000 Joined Tomy Co., Ltd. (now Takara Tomy Co., Ltd.) Jun 2007 Representative Director, President, Tinker Bell Inc. Jul 2014 Executive Officer, General Manager, Corporate Planning Office and Group Company Management Department, Takara Tomy Co., Ltd. Jun 2017 Managing Executive Officer, General Manager, Consolidated Management Division, Takara Tomy Co., Ltd. Jun 2018 Director, Managing Executive Officer, CFO, Takara Tomy Co., Ltd. Apr 2019 Director, Senior Managing Executive Officer, CFO, Takara Tomy Co., Ltd. Jun 2019 Senior Managing Executive Officer, CFO, Takara Tomy Co., Ltd. Jun 2020 Senior Managing Director, CFO, Takara Tomy Co., Ltd. Jun 2022 Special Executive Advisor, Takara Tomy Co., Ltd. Jun 2023 Outside Director, the Company (current)

Oct 1999 Joined the Company Apr 2009 General Manager, Finance Department, Administration Division, the Company Apr 2010 Executive Officer, General Manager, Finance Department, the Company Apr 2018 Managing Executive Officer, General Manager, Finance & Management Control Department, in charge of IR Office, the Company Jun 2020 Full-time Audit & Supervisory Board Member, the Company (current)

Aug 1982 Registered as Certified Public Accountant Aug 1991 Representative Partner, Century Audit Corporation Aug 2008 Managing Director, Shin Nihon LLC (now EY ShinNihon LLC) Jul 2010 Managing Director, Japanese Institute of Certified Public Accountants Jul 2014 Established Hidenori Takahashi Certified Public Accountant Office; Certified Public Accountant (current) Jun 2017 Outside Director, Penta-Ocean Construction Co., Ltd. Jun 2018 Outside Audit & Supervisory Board Member, the Company (current)

Apr 1991 Registered as Attorney, Tokyo Bar Association Apr 1991 Joined Watabe Kijuro Law Office Jul 2001 Established Toigawa Law Office Apr 2005 Part-time Lecturer, Keio University Graduate School of Law May 2006 Established Hibiya T&Y Law Office; Attorney-at-law (current) Dec 2015 Outside Director, Nihon Nohyaku Co., Ltd. Jun 2020 Outside Director (Audit and Supervisory Committee Member), Nihon Nohyaku Co., Ltd. (current) Jun 2024 Outside Audit & Supervisory Board Member, the Company (current)