Apr 1980 Joined the Company Mar 2002 General Manager, Corporate Planning Office, the Company Jun 2013 Executive Officer, General Manager, Corporate Planning Office, the Company Jun 2016 Director, Executive Officer, General Manager, Corporate Planning, the Company Mar 2017 Director, Executive Officer, Assistant to Planning & Administration, the Company Feb 2018 Director, Executive Officer, Assistant to Planning & Administration and General Manager, Osaka Branch, the Company Mar 2019 Director, Executive Officer, General Manager, Planning Headquarters, the Company Apr 2022 Managing Director, Executive Officer, General Manager, Planning and Business Promotion Headquarters, the Company Jan 2023 Representative Director, President, the Company Jan 2024 Director, Shikoku Chemicals Corporate Service Co., Ltd. Mar 2025 Representative Director, President and in charge of Group Compliance, the Company (current)

Apr 1980 Joined the Company Mar 2002 General Manager, Technology Department, the Company Sep 2004 Deputy Plant Manager, Tokushima Plant, the Company Mar 2008 Deputy Plant Manager, Marugame Plant, the Company Jun 2012 Plant Manager, Marugame Plant, the Company Mar 2015 Executive Officer, Plant Manager, Marugame Plant, the Company Jun 2018 Director, Executive Officer, in charge of Production and Technology, and Plant Manager, Marugame Plant, the Company Mar 2019 Director, Executive Officer, General Manager, Production and Technology Headquarters, the Company Apr 2022 Director, Executive Officer, Deputy General Manager, Chemicals Business Headquarters, and in charge of Production and Technology, the Company Jan 2023 Managing Director, the Company; Representative Director, President, Shikoku Chemicals Corporation Mar 2023 Representative Director, President and General Manager, Sales Headquarters, Shikoku Chemicals Corporation Jan 2024 Representative Director, President, Shikoku Chemicals Corporation (current) Mar 2025 Senior Managing Director, the Company (current)

Apr 1988 Joined the Company Mar 2005 General Manager, Logistics and Purchasing, Building Materials Business, the Company Mar 2017 Executive Officer, General Manager, Building Materials Sales, the Company Jun 2018 Executive Officer, Assistant to Building Materials Business, and General Manager, Sales, the Company Mar 2019 Executive Officer, Deputy General Manager, Business Promotion Headquarters, the Company Jun 2019 Director, Executive Officer, General Manager, Business Promotion Headquarters, the Company Apr 2022 Director, Executive Officer, Deputy General Manager, Planning and Business Promotion Headquarters, the Company Jan 2023 Managing Director, the Company (current); Representative Director, President, Shikoku Kasei Kenzai Co., Ltd. (current)

Apr 1992 Joined the Company Mar 2006 Team Leader, Fine Chemicals, R&D Center, the Company Mar 2018 Deputy Plant Manager and General Manager, Technology Department, Tokushima Plant, the Company Mar 2019 Plant Manager, Tokushima Plant, the Company Apr 2021 General Manager, Research and Development, Chemicals R&D Headquarters, and Director, R&D Center, the Company Jun 2021 Executive Officer, General Manager, Research and Development, Chemicals R&D Headquarters, and Director, R&D Center, the Company Apr 2022 Executive Officer, General Manager, Research and Development, Chemicals Business Headquarters, and Director, R&D Center, the Company Jan 2023 Executive Officer, the Company; Director, Managing Executive Officer, General Manager, R&D Headquarters, Shikoku Chemicals Corporation (current) Mar 2023 Director, the Company (current)

Apr 1990 Joined Nomura Securities Co., Ltd. Apr 2019 Deputy General Manager and Manager, Corporate Finance Section, Takamatsu Branch, Nomura Securities Co., Ltd. Apr 2021 Joined the Company; Senior Manager, Planning Headquarters Jun 2021 General Manager, Finance Department, Business Promotion Headquarters, the Company Apr 2022 General Manager, Finance Department and General Manager, Corporate Finance, Planning and Business Promotion Headquarters, the Company Jun 2022 Executive Officer, General Manager, Finance Department and General Manager, Corporate Finance, Planning and Business Promotion Headquarters, the Company Jan 2023 Executive Officer, the Company; Representative Director, President, Shikoku Chemicals Corporate Service Co., Ltd. (current) Mar 2023 Director in charge of Planning and Administration, the Company (current)

Apr 1984 Joined Mitsui & Co., Ltd. Jan 2002 General Manager, Metals Division No. 2, Mitsui & Co. (Shanghai) Trading Co., Ltd. Feb 2005 Section Manager, Coal Division No. 2, Coal & Energy Division, Mitsui & Co., Ltd. Jul 2007 Deputy General Manager, Inner Mongolia Ordos Electric Power Metallurgy Co., Ltd. Oct 2011 General Manager, Ferroalloys Department, Mitsui & Co., Ltd. Apr 2012 General Manager, China Business Division, Mitsui & Co., Ltd. Mar 2014 Director and President, Mitsui & Co. (Guangdong) Trading Co., Ltd. Apr 2017 Representative Director, President, Mitsui Metals Co., Ltd. Apr 2019 Executive Officer, Mitsui & Co., Ltd. Jun 2021 Director, the Company (current)

Apr 1981 Joined Asahi Kasei Kogyo K.K. (currently Asahi Kasei Corporation) Apr 1991 Research Laboratory Manager, LSI and Information Technology Research Laboratory, Asahi Kasei Kogyo K.K. Sep 1999 Research Laboratory Manager, Central Research Laboratory, Asahi Kasei Kogyo K.K. Jun 2006 General Manager, Substrate Materials Division, Asahi Kasei Electronics Co., Ltd. Apr 2008 Executive Officer, General Manager, Research and Development Center, Asahi Kasei Corporation Apr 2011 Executive Officer, General Manager, Fuji Branch, Asahi Kasei Corporation Oct 2013 Director, Japan Science and Technology Agency Oct 2015 Senior Fellow, Japan Science and Technology Agency Apr 2016 Audit & Supervisory Board Member, Kobe University Mar 2024 Director, the Company (current)

Apr 1987 Registered as attorney-at-law (Daiichi Tokyo Bar Association); joined Adachi, Henderson, Miyatake & Fujita Sep 1991 Joined Tsunematsu, Yanase & Sekine (currently Nagashima Ohno & Tsunematsu) Jun 1994 Completed University of Washington School of Law Aug 1994 In-house Counsel, General Electric Company Jan 1996 Partner, Tsunematsu, Yanase & Sekine Apr 1996 Part-time Lecturer, Faculty of Law, Nagoya University Apr 2004 Professor, Keio University Law School Nov 2006 Audit & Supervisory Board Member, Fast Retailing Co., Ltd. Jan 2022 Senior Counsel, Nagashima Ohno & Tsunematsu (current) Mar 2024 Director, the Company (current)

Jul 1985 Legal Officer, UNHCR Bangkok Office Oct 1988 Legal Officer, UNHCR Hong Kong Office Jan 1990 Refugee Status Determination Consultant, UNHCR Bangkok Office Jun 1992 Research Fellow, Southeast Asia Cooperation Fund, Sasakawa Peace Foundation (Bangkok) Feb 1995 Senior Research Fellow, Southeast Asia Cooperation Fund, Sasakawa Peace Foundation (Bangkok) Apr 1999 Regional Program Officer, JICA Thailand Office Jun 2002 Program Officer, JICA Malaysia Office Oct 2002 Regional Program Officer, JICA Thailand Office and Regional Support Office for Asia Mar 2005 Senior Advisor for Peacebuilding and South-South Cooperation, JICA Mar 2013 Completed Doctoral Program, Graduate School of Social Sciences, Universiti Sains Malaysia (Conflict and Peace Studies) Apr 2021 Professor, College of International Relations, Ritsumeikan University Mar 2024 Director, the Company (current) Apr 2024 Specially Appointed Professor, College of International Relations, Ritsumeikan University (current)

Apr 1983 Joined the Company Mar 2003 General Manager, Business Promotion Department, the Company Jun 2007 General Manager, Accounting Department, the Company Jun 2016 Executive Officer, General Manager, Accounting Department, the Company Mar 2018 Executive Officer, General Manager, Accounting Department, and General Manager, Related Business Office, the Company Jun 2018 Executive Officer, General Manager, Accounting Department, the Company Mar 2019 Executive Officer, General Manager, Accounting and Information Systems Department, and General Manager, Osaka Branch, the Company Jun 2019 Executive Officer, General Manager, Accounting and Information Systems Department, General Manager, Related Business Office, and General Manager, Osaka Branch, the Company Apr 2021 Executive Officer, General Manager, Finance Department, the Company Jun 2021 Full-time Audit & Supervisory Board Member, the Company (current)

Feb 1990 Joined the Company Mar 2009 General Manager, Administration Department, Shikoku Keizai Co., Ltd. Jun 2012 Director and General Manager, General Affairs Department, Nippon Ryutan Industry Co., Ltd. (currently Shikoku Ryutan Co., Ltd.) Jun 2018 General Manager, Related Business Office, the Company Jun 2019 Full-time Audit & Supervisory Board Member, the Company (current)

Apr 1981 Joined Nisshinbo Industries, Inc. (currently Nisshinbo Holdings Inc.) Apr 2009 Managing Executive Officer, in charge of Administration, Business Management and Overseas Business, Nisshinbo Brake Inc. Jun 2011 Representative Director, President, Nisshinbo Brake Inc.; Executive Officer, Nisshinbo Holdings Inc. Jun 2015 Managing Executive Officer, Nisshinbo Holdings Inc. Jun 2017 Representative Director, Chairman, Nisshinbo Brake Inc. Mar 2019 Managing Executive Officer, Nisshinbo Holdings Inc. Jun 2019 Audit & Supervisory Board Member, the Company (current) Jul 2019 Representative Director, President, NJ Components Co., Ltd. Mar 2020 Executive Officer, Nagano Nihon Radio Co., Ltd.; Director, Nagano Nihon Radio Co., Ltd. Mar 2024 Senior Advisor, Nagano Nihon Radio Co., Ltd.

Oct 1981 Joined Tohmatsu & Co. (currently Deloitte Touche Tohmatsu LLC) Apr 1985 Registered as Certified Public Accountant Jun 1999 Partner, Deloitte Touche Tohmatsu LLC Jun 2007 Head of Okayama Office, Deloitte Touche Tohmatsu LLC Jan 2012 Head of Takamatsu Office and Head of Matsuyama Office, Deloitte Touche Tohmatsu LLC Sep 2023 Retired from Deloitte Touche Tohmatsu LLC Oct 2023 Representative, Kawai Certified Public Accountant Office (current) Mar 2024 Audit & Supervisory Board Member, the Company (current) Jun 2024 Outside Director (Audit and Supervisory Committee Member), The Chugoku Bank, Limited (current)