Apr 1980 Joined the Company (Doctor of Engineering) Jun 1987 Director, in charge of Planning, the Company Jun 1989 Managing Director, in charge of Technology, the Company Jun 1993 Senior Managing Director, in charge of Sales and Production, the Company Jun 1999 Representative Director, President, the Company (current) Jan 2000 Representative Director, President, Biyo Bright Co., Ltd. (now Mino Ceramic Co., Ltd.) Jun 2000 Representative Director, President, Mino Ceramics Shoji Co., Ltd. (now Mino Ceramic Co., Ltd.) Jun 2004 Representative Director, President, Bishu Kosan Co., Ltd. Sep 2005 Representative Director, President, Nihon Ceramic Engineering Co., Ltd. (now Mino Ceramic Co., Ltd.) Oct 2021 Representative Director, President, Iwasa Machine Industry Co., Ltd. (current) Jun 2024 Chairman of the Board, Bishu Kosan Co., Ltd. (current)

Apr 1988 Joined The Dai-Ichi Kangyo Bank, Ltd. (now Mizuho Bank, Ltd.) Apr 2012 Branch Manager, Nishi-Funabashi Branch, Mizuho Bank, Ltd. Apr 2014 General Manager, Administration Department, the Company Mar 2015 General Manager, Administration Department and General Manager, General Affairs and Human Resources Department, the Company Jun 2015 Executive Officer, in charge of Administration Department and General Manager, General Affairs and Human Resources Department, the Company Jun 2016 Director, Executive Officer, in charge of Administration Department and General Manager, General Affairs and Human Resources Department, the Company Jun 2017 Director, Executive Officer, in charge of Administration Department, General Manager, General Affairs and Human Resources Department, and Business Planning, the Company Jun 2021 Director, Executive Officer, General Manager of Administration Division and General Manager, General Affairs and Human Resources Department, the Company Jun 2023 Director, Managing Executive Officer, General Manager of Administration Division and General Manager, General Affairs and Human Resources Department, the Company (current)

Apr 1985 Joined the Company Jun 2015 Executive Officer, General Manager of Plant Department, the Company Oct 2016 Executive Officer, in charge of RE Engineering Department and General Manager of RE Production Department, the Company Jan 2017 Executive Officer, in charge of RE Engineering Department, General Manager of RE Production Department and Plant Manager of Kamezaki Plant, the Company Jun 2017 Director, Executive Officer, in charge of RE Engineering Department, General Manager of RE Production Department and Plant Manager of Kamezaki Plant, the Company Jun 2021 Director, Executive Officer, General Manager of RE Business Division and General Manager of RE Production Department, the Company Apr 2022 Director, Executive Officer, General Manager of RE Business Division, the Company Jun 2023 Director, Managing Executive Officer, General Manager of RE Business Division, the Company Apr 2024 Director, Managing Executive Officer, General Manager of RE Business Division and Plant Manager of Yokkaichi Plant, the Company Apr 2025 Director, Managing Executive Officer, General Manager of RCE Business Division and in charge of Materials Section, the Company (current)

Apr 1976 Joined the Company May 2003 Executive Officer, Assistant General Manager of Plant Department, the Company Jun 2006 Managing Executive Officer, Assistant General Manager of Plant Department, the Company Jun 2010 Director, Managing Executive Officer, in charge of Sales and Plant Departments, the Company Mar 2015 Director, Managing Executive Officer, in charge of RE Business, NC and Plant Departments, the Company Jun 2015 Director, Senior Managing Executive Officer, in charge of RE Business, NC and Plant Departments, the Company Apr 2022 Director, Senior Managing Executive Officer, in charge of RE Business, NC, Plant, Materials Business Divisions and Materials Section, the Company Apr 2025 Director, Senior Managing Executive Officer, the Company (current) Jun 2026 Director, Executive Officer, in charge of Special Assignments for the President, the Company

Apr 1979 Joined NGK Spark Plug Co., Ltd. Jun 2007 Director, NGK Spark Plug Co., Ltd. Jun 2009 Managing Director, NGK Spark Plug Co., Ltd. Jun 2011 Senior Managing Director, NGK Spark Plug Co., Ltd. Jun 2013 Representative Director, Executive Vice President, NGK Spark Plug Co., Ltd. Jun 2016 Retired as Representative Director, Executive Vice President, NGK Spark Plug Co., Ltd. Jun 2019 Outside Director, the Company (current)

Apr 1983 Joined Marubeni Corporation Apr 2010 General Manager, Global Environment Project Department, Marubeni Corporation Apr 2012 General Manager, Resources and Heavy Machinery Plant Department, Marubeni Corporation Apr 2013 President, Marubeni Venezuela Corporation Apr 2016 President, Marubeni Iran Corporation Apr 2018 Executive Officer, Chief Executive for Middle East (based in Dubai), Marubeni Corporation Apr 2020 Managing Officer, Marubeni Corporation (current) Jun 2022 Outside Director, the Company (current)

Apr 1980 Joined the Company Jun 2008 General Manager, Accounting Department, the Company Jun 2015 Director, Mino Ceramics Shoji Co., Ltd. (now Mino Ceramic Co., Ltd.) Jun 2015 Director, Biyo Bright Co., Ltd. (now Mino Ceramic Co., Ltd.) Jun 2015 Audit and Supervisory Board Member, Bishu Kosan Co., Ltd. Jun 2017 Director, General Manager of Administration Department, Bishu Kosan Co., Ltd. Jun 2025 Executive Officer, General Manager of Audit and Supervisory Committee Office, the Company Jun 2025 Audit and Supervisory Board Member, Bishu Kosan Co., Ltd. (current) Jun 2025 Audit and Supervisory Board Member, Iwasa Machine Industry Co., Ltd. (current) Jun 2026 Director (Audit and Supervisory Committee Member), the Company

Oct 1979 Joined Tohmatsu & Aoki Audit Corporation (now Deloitte Touche Tohmatsu LLC) Mar 1983 Registered as Certified Public Accountant May 2004 Representative Partner, Deloitte Touche Tohmatsu Jun 2013 Vice President, Tokai Chapter, Japanese Institute of Certified Public Accountants Jul 2013 Director, Japanese Institute of Certified Public Accountants Aug 2018 Head, Eiji Shibuya CPA Office (current) Jun 2019 Chairman, Gifu Prefecture Chapter, Tokai Chapter, Japanese Institute of Certified Public Accountants Jun 2019 Outside Director (Audit and Supervisory Committee Member), the Company (current) Jun 2021 Outside Director (Audit and Supervisory Committee Member), Sanmesse Co., Ltd. (current) Jun 2022 Outside Audit and Supervisory Board Member, Marujun Co., Ltd. (now J-MAX Co., Ltd.) Jun 2025 Outside Director (Audit and Supervisory Committee Member), J-MAX Co., Ltd. (current)

Apr 1976 Joined SS Pharmaceutical Co., Ltd. Jan 1994 General Manager, Pharmaceutical Department, SS Pharmaceutical Co., Ltd. Jun 2001 Executive Officer, General Manager of Division, SS Pharmaceutical Co., Ltd. Apr 2007 Advisor, Chubu Regional Administrative Evaluation Bureau, Ministry of Internal Affairs and Communications Apr 2013 Advisor, Nagoya Office, Tottori Prefectural Government Apr 2016 Part-time Lecturer, Nagoya City Senior University (current) Jun 2020 Outside Director (Audit and Supervisory Committee Member), the Company (current) Apr 2021 Outside Director, Personac Inc. (now Paripas Group Inc.) (current) Oct 2023 Part-time Lecturer, Aichi Toho University (current)