Apr 1982 Joined the Company Nov 1982 Director of the Company Feb 1984 Managing Director of the Company Jan 1987 Representative Director, President of the Company Dec 2009 Chairman and Director of the Company (current) Apr 2019 Outside Director, Lena Science Co., Ltd. Jun 2024 Retired as Outside Director, Lena Science Co., Ltd.

Oct 2010 Joined the Company Apr 2014 General Manager, Business Strategy Office of the Company Dec 2014 Executive Officer and General Manager, Business Strategy Office Dec 2015 Senior Executive Officer and General Manager, Business Strategy Office Apr 2016 Senior Executive Officer, Assistant General Manager of Sales Administration and General Manager, Business Strategy Office Dec 2017 Director, Senior Executive Officer, Assistant General Manager of Sales Administration and General Manager, Business Strategy Office Dec 2019 Representative Director, President and in charge of Administration (current)

Dec 1987 Joined the Company Oct 2013 General Manager, Aomori Branch and Mutsu-Ogawara Sales Office of the Company Dec 2013 Executive Officer, General Manager, Aomori Branch and Mutsu-Ogawara Sales Office, Deputy General Manager, Sales Group No. 4 Dec 2014 Senior Executive Officer, General Manager, Aomori Branch and Mutsu-Ogawara Sales Office, Deputy General Manager, Sales Group No. 4 Dec 2019 Director, Senior Executive Officer, General Manager, Sales Group No. 3, General Manager, Aomori Branch and Mutsu-Ogawara Sales Office Oct 2020 Director, Senior Executive Officer, General Manager, Sales Group No. 3, General Manager, Aomori Branch and Mutsu-Ogawara Sales Office, Director of Life Systems Information Research Institute Dec 2021 Director, Managing Executive Officer, General Manager, Sales Group No. 3, General Manager, Aomori Branch and Mutsu-Ogawara Sales Office, Director of Life Systems Information Research Institute Oct 2023 Director, Managing Executive Officer, General Manager, Academia and Life Science Sales Group, General Manager, Aomori Branch and Mutsu-Ogawara Sales Office, General Manager, Contract Analysis and Program R&D Group Dec 2023 Director, Managing Executive Officer, Deputy General Manager, Academia and Life Science Sales Group, General Manager, Aomori Branch and Mutsu-Ogawara Sales Office, in charge of Contract Analysis and Program R&D Group, Deputy General Manager, Business Strategy Office Dec 2025 Director, Managing Executive Officer, General Manager, Industry Sales Group, General Manager of Industry Sales Group at Head Office, in charge of Academia and Life Science Sales Group, General Manager, Sales Promotion Office, in charge of Contract Analysis and Program R&D Group (current)

Apr 1984 Joined the Company Apr 2004 Senior Manager, Sendai No. 2 Sales Department of the Company Dec 2013 Executive Officer and General Manager, Sales Group No. 2 and Head Office Sales Group No. 2 Dec 2014 Senior Executive Officer and General Manager, Sales Group No. 2 and Head Office Sales Group No. 2 Dec 2022 Managing Executive Officer and General Manager, Sales Group No. 2, General Manager of Head Office Sales Group No. 2 Department, in charge of Sales Department No. 2 of Head Office Sales Group No. 3 Dec 2023 Managing Executive Officer, General Manager of Medical Sales Group, General Manager of Head Office Medical Sales Group Department, in charge of Head Office Academia and Life Science Sales Group (medical-related) Dec 2025 Director and Managing Executive Officer, General Manager of Medical Sales Group, in charge of New Products and Services Development Team (current)

Apr 1982 Joined Mitsubishi Kasei Corporation (now Mitsubishi Chemical Corporation) Apr 2009 Executive Officer, General Manager of Intellectual Property Department, Mitsubishi Chemical Corporation Jun 2011 Executive Officer, General Manager of Intellectual Property Department, Mitsubishi Chemical Corporation Mar 2016 Resigned from Mitsubishi Chemical Corporation Apr 2016 President and Director, Mitsubishi Chemical Techno Research Co., Ltd. (now Mitsubishi Chemical Research Corporation) Apr 2021 Advisor, Mitsubishi Chemical Research Corporation Dec 2021 Director of the Company (current) Mar 2022 Resigned from Mitsubishi Chemical Research Corporation Apr 2024 Audit & Supervisory Board Member, Otsuka Chemical Co., Ltd. (current)

Apr 1991 Joined the Company Oct 2013 Assistant Manager, Sendai Branch Sales Group No. 4 and in charge of New Business Apr 2014 Manager, Sendai Branch Sales Group No. 4 and in charge of New Business Dec 2017 Executive Officer, Manager, Sendai Branch Sales Group No. 4 and in charge of New Business Jan 2020 Executive Officer, General Manager, Hachinohe Branch and in charge of New Business Oct 2022 Executive Officer, General Manager, Hachinohe Branch and Manager, Hachinohe Branch Sales Group No. 4 Oct 2023 Executive Officer, General Manager, Hachinohe Branch and Manager, Hachinohe Branch Industry Sales Group Dec 2023 Full-time Audit & Supervisory Board Member of the Company (current)

Jul 1979 Head, Okai Certified Public Accountant Office (current) Dec 1992 Audit & Supervisory Board Member of the Company (current)

Apr 1977 Joined Mitsubishi Corporation Apr 2004 Chief Information Officer, Chemicals Group, Mitsubishi Corporation Jun 2008 Executive Officer, I.T. Frontier Corporation Jan 2010 Resigned from I.T. Frontier Corporation Feb 2010 Executive Officer, Sigmaxis Inc. Dec 2011 Resigned from Sigmaxis Inc. Apr 2017 Head of Chemical-related Information, Chemicals Group, Mitsubishi Corporation Mar 2019 Resigned from Mitsubishi Corporation Apr 2019 Advisor of the Company Dec 2019 Audit & Supervisory Board Member of the Company (current)

Apr 1981 Joined Mitsubishi Corporation Mar 2007 General Manager, Electronic Materials Department, Chemicals Group, Head Office, Mitsubishi Corporation Apr 2013 Branch Manager, Houston Branch, Mitsubishi Corporation North America, and Branch Manager, Houston Branch, Mitsubishi Corporation (USA) Apr 2015 Executive Officer, Mitsubishi Corporation May 2018 Resigned from Mitsubishi Corporation Jun 2018 Executive Vice President and Director, Mitsubishi Corporation Chemical Co., Ltd. Jun 2019 President and Representative Director, Mitsubishi Corporation Chemical Co., Ltd. Jun 2021 Resigned from Mitsubishi Corporation Chemical Co., Ltd. Jun 2022 Advisor of the Company Dec 2022 Director of the Company (current)

Apr 1981 Joined Nippon Soda Co., Ltd. Apr 2008 General Manager, Chiba Plant Administration Department, Nippon Soda Co., Ltd. Apr 2013 General Manager, Internal Control Audit Office, Nippon Soda Co., Ltd. Mar 2021 Resigned from Nippon Soda Co., Ltd. Apr 2021 Advisor of the Company Dec 2021 Audit & Supervisory Board Member of the Company (current)

Apr 1984 Joined Mitsubishi Kasei Corporation Apr 2005 General Manager, Imaging Business Division, Mitsubishi Chemical Corporation Nov 2008 President and Representative Director, Mitsubishi Chemical Imaging Corporation May 2012 General Manager, Imaging Business Division, Mitsubishi Chemical Corporation Apr 2014 Executive Officer, Mitsubishi Chemical Corporation Nov 2015 President and Representative Director, Mitsubishi Chemical Europe GmbH Apr 2018 Executive Officer and General Manager, Audit Office, Mitsubishi Chemical Holdings Corporation Oct 2020 President and Representative Director, Mitsubishi Chemical Holdings Asia Pacific Mar 2023 Retired from Mitsubishi Chemical Holdings Asia Pacific Dec 2023 Audit & Supervisory Board Member of the Company (current)