Apr 1987 Joined Mitsui Chemicals, Inc. Apr 2015 Executive Officer; General Manager, Business Planning Department Apr 2017 Managing Executive Officer; General Manager, Healthcare Business Division and General Manager, New Healthcare Business Development Office Sep 2017 Managing Executive Officer; General Manager, Healthcare Business Division Jun 2018 Director, Managing Executive Officer; General Manager, Healthcare Business Division Apr 2019 Director, Senior Managing Executive Officer; General Manager, Healthcare Business Division Apr 2020 Representative Director, President and Executive Officer Apr 2026 Representative Director, Chairman (current)

Apr 1992 Joined Mitsui Chemicals, Inc. Apr 2021 Officer; General Manager, Planning & Administration Department, Healthcare Business Division; Deputy General Manager, New Healthcare Business Development Office Apr 2022 Officer; General Manager, Business Planning Department Apr 2023 Executive Officer; General Manager, Business Planning Department Apr 2024 Managing Executive Officer Jun 2025 Director, Managing Executive Officer Apr 2026 Representative Director, President and Executive Officer (current)

Apr 1987 Joined Mitsui Chemicals, Inc. Apr 2014 Officer; General Manager, New Automotive Materials Development Office Apr 2016 Executive Officer; General Manager, New Mobility Business Development Office Apr 2017 Executive Officer; General Manager, Business Planning Department Apr 2019 Managing Executive Officer Apr 2022 Senior Managing Executive Officer; General Manager, ICT Solutions Business Division Jun 2025 Representative Director, Senior Managing Executive Officer; General Manager, ICT Solutions Business Division Apr 2026 Representative Director, Senior Managing Executive Officer; General Manager, Mobility Solutions Business Division (current)

Apr 1983 Joined Nitto Electric Industrial Co., Ltd. (now Nitto Denko Corporation) Apr 2007 Executive Officer; General Manager, Core Technology Center, Corporate Technology Division, Nitto Denko Corporation Jun 2011 Director, Senior Executive Officer, Nitto Denko Corporation Apr 2013 Director, Senior Executive Officer; CTO; General Manager, Corporate Technology Division, Nitto Denko Corporation Jun 2013 Director, Managing Executive Officer; CTO, Nitto Denko Corporation Jul 2015 Senior Managing Executive Officer; General Manager, Corporate Infrastructure Division; CIO, Nitto Denko Corporation Feb 2022 Joined Mitsui Chemicals, Inc. Apr 2022 Assistant to the President; in charge of New Business Development Center Apr 2025 Managing Executive Officer; CTO; in charge of New Business Development Center, Processing & Production Technology Center and CTO Office; supervising R&D Division Oct 2025 Managing Executive Officer; CTO; in charge of New Business Development Center, Processing & Production Technology Center and Technology Strategy Office; supervising R&D Division Apr 2026 Managing Executive Officer; CTO; General Manager, R&D Division; in charge of New Business Development Center, Processing & Production Technology Center, Technology Strategy Office and Intellectual Property Department Jun 2026 Director, Managing Executive Officer; CTO; General Manager, R&D Division; in charge of New Business Development Center, Processing & Production Technology Center, Technology Strategy Office and Intellectual Property Department (current)

Apr 1989 Joined Mitsui Chemicals, Inc. Apr 2020 Officer; General Manager, Accounting Department Apr 2022 Executive Officer; General Manager, Accounting Department Apr 2025 Managing Executive Officer; CFO; in charge of Accounting Department and Corporate Communications Department Jun 2026 Director, Managing Executive Officer; CFO; in charge of Accounting Department and Corporate Communications Department (current)

Apr 1979 Joined Fuji Heavy Industries Ltd. (now SUBARU Corporation) Apr 2005 Executive Officer, Fuji Heavy Industries Ltd. Jun 2007 Managing Executive Officer, Fuji Heavy Industries Ltd. Jun 2010 Director, Senior Managing Executive Officer, Fuji Heavy Industries Ltd. Jun 2015 Audit & Supervisory Board Member, Fuji Heavy Industries Ltd. Jun 2021 Director, Mitsui Chemicals, Inc. (current)

Apr 1977 Joined Terumo Corporation Jun 2002 Executive Officer, Terumo Corporation Jun 2003 Director, Executive Officer, Terumo Corporation Jun 2007 Director, Managing Executive Officer, Terumo Corporation Jun 2010 Director, Senior Managing Executive Officer, Terumo Corporation Apr 2017 Representative Director, Chairman, Terumo Corporation Jun 2021 Chairman, Japan Federation of Medical Devices Associations Apr 2022 Director, Adviser, Terumo Corporation Jun 2022 Adviser, Terumo Corporation Jun 2022 Outside Director, Autobacs Seven Co., Ltd. Jun 2022 Director, Mitsui Chemicals, Inc. (current) Jun 2023 Outside Director, NGK SPARK PLUG CO., LTD. (current) Jun 2026 Outside Director, Nihon Kohden Corporation (scheduled to assume office Jun 2026)

Apr 1985 Joined Ricoh Company, Ltd. Apr 2019 Executive Officer, General Manager, Technology & Management Division, Ricoh IT Solutions Co., Ltd. Apr 2021 Head, Digital Talent Strategy Center, Digital Strategy Department, Ricoh Company, Ltd. Jul 2022 Director, Ricoh IT Solutions Co., Ltd. Jun 2023 Outside Director, Seven Bank, Ltd. (current) Jun 2024 Director, Mitsui Chemicals, Inc. (current) Jun 2025 Outside Director, Yamato Holdings Co., Ltd. (current)

Apr 1985 Joined Mitsui Chemicals, Inc. Apr 2012 Officer; General Manager, R&D Strategy Office Apr 2015 Officer; General Manager, Production & Technology Planning Department, Production & Technology Division Apr 2017 Executive Officer; Plant Manager, Iwakuni-Otake Plant Apr 2020 Executive Officer; Plant Manager, Ichihara Plant Apr 2022 Managing Executive Officer; General Manager, Production & Technology Division Apr 2024 Advisor Jun 2024 Full-time Audit & Supervisory Board Member (current)

Apr 1988 Joined Mitsui Chemicals, Inc. Apr 2019 Officer; General Manager, Business Planning Department Apr 2021 Executive Officer; General Manager, Business Planning Department Apr 2022 Executive Officer; Deputy Division Head and General Manager, Planning & Administration Department, Life & Healthcare Solutions Business Division Apr 2024 Executive Officer; Deputy Division Head, Basic & Green Materials Business Division Apr 2026 Advisor Jun 2026 Full-time Audit & Supervisory Board Member (current)

Apr 1980 Joined Ministry of Transport (now Ministry of Land, Infrastructure, Transport and Tourism) Jun 2004 Director, New York Office, Japan National Tourism Organization Oct 2005 Vice Governor, Yamagata Prefecture Jul 2008 Director-General, Hokuriku-Shinetsu Regional Transport Bureau, Ministry of Land, Infrastructure, Transport and Tourism Jul 2013 Director-General, National Institute for Land and Infrastructure Management, Ministry of Land, Infrastructure, Transport and Tourism Jun 2015 Managing Director; Deputy General Manager, Railway Business Division and General Manager, Travel Business Division, Kyushu Railway Company Jun 2017 Managing Director (CFO in charge of Finance Department), Kyushu Railway Company Jun 2018 Director, Audit and Supervisory Committee Member, Kyushu Railway Company Mar 2019 Outside Audit & Supervisory Board Member, Shiseido Company, Limited Jun 2019 Outside Audit & Supervisory Board Member, DENSO Corporation (current) Jun 2023 Audit & Supervisory Board Member, Mitsui Chemicals, Inc. (current) Oct 2023 Tokyo Metropolitan Auditor (current) Mar 2024 Outside Director, Shiseido Company, Limited (current) Jun 2026 Outside Director, Sumitomo Corporation (current)

Apr 1986 Joined Morgan Bank May 2001 Managing Director, J.P. Morgan Securities Jul 2005 Head of Financial Institutions Group, J.P. Morgan Securities May 2007 Chairman, Financial Institutions Group, Investment Banking Division, Merrill Lynch Japan Securities Jul 2010 Head of Investment Banking Joint Division, Merrill Lynch Japan Securities Jul 2011 Vice Chairman, Merrill Lynch Japan Securities Nov 2013 Representative Director, Core Value Management Co., Ltd. (current) Sep 2022 Visiting Professor, Graduate School of Business Administration, Hitotsubashi University (current) Jun 2026 Director, Mitsui Chemicals, Inc. (current) Jun 2026 Outside Director, Sony Financial Group Inc. (scheduled to assume office Jun 2026)

Oct 1985 Joined Asahi Shinwa Auditing Corporation (now Azusa Audit LLC) Mar 1989 Registered as Certified Public Accountant May 2002 Member, Asahi Audit Corporation (now Azusa Audit LLC) May 2007 Representative Partner, Azusa Audit LLC (now Partner) Jul 2019 Vice Chairman, Management Monitoring Committee, Azusa Audit LLC Jul 2020 Chairman, Management Monitoring Committee, Azusa Audit LLC Jun 2023 Audit & Supervisory Board Member, Mitsui Chemicals, Inc. (current) Jul 2023 Principal, Junji Ono CPA Office (current)

Apr 1982 Joined Ministry of Home Affairs (now Ministry of Internal Affairs and Communications) Apr 1989 Registered as Attorney at Law Jan 1997 Partner, Mori Sogo Law Office (now Mori Hamada & Matsumoto) Sep 1997 Registered as Attorney in New York State Apr 1998 Founding Partner, Hibiya Park Law Offices Oct 2004 Partner, Mori Hamada & Matsumoto Jun 2005 Outside Audit & Supervisory Board Member, Jafco Group Co., Ltd. Apr 2020 Partner, Gaien Law Office (current) Jun 2020 Outside Director, NTT DOCOMO, INC. Jun 2022 Outside Audit & Supervisory Board Member, Hakuhodo DY Holdings Inc. (current) Mar 2025 Outside Director, Integral Corporation (current) Jun 2025 Audit & Supervisory Board Member, Mitsui Chemicals, Inc. (current)