Mar 1986 Joined the Company May 2004 Manager, General Affairs Department, Business Support Division Jan 2007 Director, Manager, General Affairs Department, Business Support Division Jan 2010 Executive Officer, General Manager, Business Support Division Jan 2011 Director, Executive Officer, General Manager, Business Support Division Nov 2014 Director, Executive Officer, Assistant to Synthetic Resin Business Division Supervisor Nov 2015 Director, Managing Executive Officer, Assistant to Synthetic Resin Business Division Supervisor; General Manager, Hagiline Business Division Jan 2016 Representative Director, President, President Executive Officer Nov 2016 Representative Director, President, President Executive Officer; General Manager, Synthetic Resin Business Division Nov 2017 Representative Director, President, President Executive Officer (current)

Mar 1982 Joined the Company Nov 2007 Manager, Sales Department, Engineering Business Division Nov 2009 General Manager, Sales Department, Engineering Business Sales Development Division Jan 2010 Executive Officer, General Manager, Sales Department, Engineering Business Sales Development Division Nov 2013 Executive Officer, General Manager, Domestic Sales Department, Engineering Business Nov 2015 Executive Officer, General Manager, Engineering Department, Engineering Business Nov 2018 Executive Officer, General Manager, Production Control Department, Engineering Business Nov 2019 Executive Officer, General Manager, Engineering Business Division Jan 2020 Director, Executive Officer, General Manager, Engineering Business Division Nov 2020 Director, Executive Officer, General Manager, Engineering Business Division; General Manager, Sales Department May 2021 Director, Executive Officer, General Manager, Engineering Business Division Nov 2021 Director, Executive Officer, General Manager, Engineering Business Division; General Manager, Sales Department May 2022 Director, Executive Officer, General Manager, Engineering Business Division (current)

Mar 1985 Joined the Company Nov 2008 Sales Manager, Hagiline Business Unit, Synthetic Resin Business Division Nov 2009 General Manager, Sales Department, Hagiline Business Division, Synthetic Resin Business Nov 2012 Seconded to Hagihara West Java Industries (Representative Director, President) Nov 2017 General Manager, Tarpi Department, Synthetic Resin Business Division of the Company; Representative Director, President, Nihon Fabweld Co., Ltd. (merged into the Company Apr 2024) Jan 2019 Executive Officer, General Manager, Tarpi Department, Synthetic Resin Business Division Nov 2019 Executive Officer, General Manager, Industrial Materials Business Division and Sales Department, Synthetic Resin Business Division Nov 2021 Executive Officer, General Manager, Sales Headquarters, Synthetic Resin Business Division May 2022 Executive Officer, General Manager, Synthetic Resin Business Division Jan 2023 Director, Executive Officer, General Manager, Synthetic Resin Business Division Oct 2024 Director, Executive Officer, General Manager, Synthetic Resin Business Division; General Manager, International Sales Department (current)

Apr 1989 Joined the Company Nov 2009 General Manager, Sales Department, Tarpi Business Division, Synthetic Resin Business Nov 2013 General Manager, Tarpi Business Division, Synthetic Resin Business Nov 2016 Representative Director, President, Nihon Fabweld Co., Ltd. (merged into the Company Apr 2024) Nov 2016 Executive Officer, General Manager, Tarpi Department, Synthetic Resin Business Division Nov 2017 Executive Officer, General Manager, Logistics Materials Department, Synthetic Resin Business Division Nov 2018 Executive Officer, General Manager, F-Line Department, Synthetic Resin Business Division Nov 2019 Executive Officer, General Manager, Consumer Materials Business Division, Synthetic Resin Business Division Nov 2021 Executive Officer, General Manager, Business Development Headquarters, Synthetic Resin Business Division May 2022 Executive Officer, Deputy General Manager, Synthetic Resin Business Division; General Manager, Product Development Department Nov 2022 Representative Director, President, Nihon Fabweld Co., Ltd. (merged into the Company Apr 2024) Jan 2023 Director, Executive Officer, Deputy General Manager, Synthetic Resin Business Division; General Manager, Product Development Department Nov 2023 Director, Executive Officer, Deputy General Manager, Synthetic Resin Business Division; General Manager, Industrial Materials Sales Department; General Manager, Kasaoka Business Promotion Department Nov 2024 Director, Executive Officer, General Manager, Business Support Division; General Manager, General Affairs Department Nov 2025 Director, Executive Officer, General Manager, Business Support Division (current)

Jan 1992 Joined the Company Jun 2007 Seconded to Hagihara West Java Industries (Representative Director, President) Nov 2012 General Manager, BCI Business Division, Synthetic Resin Business Division of the Company Nov 2018 General Manager, International Department, Synthetic Resin Business Division Jan 2019 Executive Officer, General Manager, International Department, Synthetic Resin Business Division Nov 2020 Executive Officer, General Manager, Accounting Department, Business Support Division Nov 2024 Executive Officer; seconded to Valchip Co., Ltd. (Vice President, Director) (current) Jan 2025 Director, Executive Officer (current) Oct 2025 Seconded to Hagihara Industries Iguazu (Representative) (current)

May 2015 Joined the Company Nov 2018 Seconded to Valchip Co., Ltd. Jul 2022 Seconded to Valchip Co., Ltd. (Representative Director, President) (current) Jan 2023 Executive Officer of the Company Apr 2023 Seconded to Hagihara Industries Iguazu (Representative) Jan 2025 Director, Executive Officer (current)

Apr 1991 Joined MTB Investment Technology Institute Co., Ltd. Sep 1994 Resigned from the same company May 2000 Director, Ohara Museum of Art Foundation (now Ohara Museum of Art Public Interest Foundation) Apr 2007 Auditor, Ohara Shonokai Public Interest Foundation (current) Apr 2010 Director, Yurinkai General Incorporated Foundation (now Yurinkai Public Interest Foundation) Jun 2016 President, Wakatakeno Sono Social Welfare Corporation (current) Jul 2016 Representative Director, Chairperson, Ohara Museum of Art Public Interest Foundation (now Ohara Arts Foundation) May 2018 Director, Kurashiki Kōkogakan Public Interest Foundation (now Ohara Arts Foundation) Jun 2018 Director, Kurashiki Mingeikan Public Interest Foundation (current); Director, Kurashiki City Cultural Promotion Foundation (current) Jan 2019 Director of the Company (current) Jul 2019 Representative Director, Yurinkai Public Interest Foundation Sep 2020 Auditor (part-time), Okayama University National University Corporation Jun 2021 Representative Director, Kurashiki Kōkogakan Public Interest Foundation (now Ohara Arts Foundation) Apr 2024 Representative Director, Ohara Arts Foundation (current) Nov 2025 Chairman, Kurashiki Chamber of Commerce and Industry (current)

Apr 1992 Joined Sumitomo Electric Industries, Ltd. Feb 1996 Resigned from the same company Aug 1998 Joined Goldman Sachs Securities Co., Ltd. Apr 2002 Resigned from the same company May 2002 Joined Merrill Lynch Japan Securities Co., Ltd. (now BofA Securities Japan Co., Ltd.) Mar 2003 Resigned from the same company Apr 2003 Joined Development Bank of Japan Inc. Mar 2018 Resigned from the same bank Apr 2018 Associate Professor, Graduate School of Social and Cultural Sciences, Okayama University Oct 2021 Professor, Faculty of Social and Cultural Sciences, Academic Research Institute, Okayama University (current) Jan 2023 Director of the Company (current)

Jun 1997 Joined the Company Nov 2009 Manager, General Affairs and Personnel Section, General Affairs Department, Business Support Division Nov 2011 Manager, Materials Section, Business Management Department, Synthetic Resin Business Division Feb 2015 General Manager, Internal Audit Office Nov 2017 Manager, Information Systems Section, Business Support Division Nov 2019 Manager, Legal Section, General Affairs Department, Business Support Division Nov 2022 Expert Staff, Office of the General Manager, Business Support Division Apr 2023 Senior Staff, Office of the General Manager, Business Support Division Jan 2024 Full-time Corporate Auditor (current)

Apr 1980 Registered as attorney-at-law (Okayama Bar Association) (current) Jan 2012 Corporate Auditor of the Company (current)

May 1987 Registered as certified public tax accountant (Chugoku Tax Accountants Association, Kurashiki Branch) (current) Nov 1991 Principal, Koji Miyake Tax Accountant Office Aug 2014 Representative Partner, Miyake Tax Corporation Jan 2016 Corporate Auditor of the Company (current)