Apr 1972 Joined Rinnai Sep 1978 Director, Rinnai Feb 1980 Director, General Manager, Corporate Planning Office, Rinnai Jun 1983 Managing Director, General Manager, Production Engineering Division, Rinnai Jul 1992 Managing Director, General Manager, Related Business Division, Rinnai Jun 2005 Director, Managing Executive Officer, General Manager, Related Business Division, Rinnai Jun 2006 Representative Director, Vice Chairman, Rinnai Apr 2017 Representative Director, Chairman, Rinnai (current)

Apr 1983 Joined Rinnai Jun 1991 Director, Deputy General Manager, Development & Technology Division; General Manager, New Technology Development Department, Rinnai Jul 1998 Director, General Manager, Development Division, Rinnai Jul 2001 Director, General Manager, Corporate Planning Department and General Affairs Department, Rinnai Jun 2003 Managing Director, General Manager, Corporate Planning Department and General Affairs Department, Rinnai Jun 2005 Director, Managing Executive Officer, General Manager, Corporate Planning Department and General Affairs Department, Rinnai Nov 2005 Representative Director, President, President Executive Officer, Rinnai (current)

Apr 1967 Joined Rinnai Jun 1988 Director, General Manager, Development & Technology Division and Quality Assurance Department, Rinnai Jun 2001 Managing Director, General Manager, Production Division, Rinnai Jun 2005 Director, Managing Executive Officer, General Manager, Production Division, Rinnai Nov 2005 Director, Managing Executive Officer, General Manager, Domestic Operations and Sales Division, Rinnai Apr 2006 Director, Senior Managing Executive Officer, General Manager, Domestic Operations and Sales Division, Rinnai Apr 2009 Director, Executive Vice President, Executive Officer, in charge of Development, Production, Overseas Business and Customer Service Divisions; General Manager, Sales Division, Rinnai Apr 2010 Representative Director, Executive Vice President, Executive Officer, in charge of Development, Production, Overseas Business and Customer Service Divisions; General Manager, Sales Division, Rinnai Oct 2010 Representative Director, Executive Vice President, Executive Officer, in charge of Development, Production and Overseas Business Divisions; General Manager, Sales Division, Rinnai Apr 2016 Representative Director, Executive Vice President, Executive Officer, Assistant to the President, in charge of Production and Overseas Business Divisions, Rinnai Apr 2018 Representative Director, Executive Vice President, Executive Officer, Assistant to the President, Rinnai (current)

Apr 1989 Joined Rinnai Apr 2017 Executive Officer, General Manager, Kanto Branch, Sales Division, Rinnai Apr 2019 Executive Officer, Deputy General Manager, Sales Division, General Manager, Kanto Branch, Rinnai Jun 2020 Managing Executive Officer, General Manager, Sales Division, Rinnai Apr 2023 Senior Managing Executive Officer, General Manager, Sales Division, Rinnai Jun 2023 Director, Senior Managing Executive Officer, General Manager, Sales Division, Rinnai (current)

Apr 1985 Joined Rinnai Apr 2008 Vice President, Rinnai Korea Co., Ltd. Jun 2012 President, Rinnai Seiki Co., Ltd. Apr 2016 Executive Officer, General Manager, Production Control Department, Production Division, Rinnai Apr 2017 Executive Officer, Deputy General Manager, Production Division, Rinnai Apr 2018 Executive Officer, General Manager, Production Engineering Department, Rinnai Apr 2021 Managing Executive Officer, General Manager, Production Engineering Division, Rinnai Apr 2023 Senior Managing Executive Officer, General Manager, Production Engineering Division, Rinnai Jun 2023 Director, Senior Managing Executive Officer, General Manager, Production Engineering Division, Rinnai Apr 2026 Director, Senior Managing Executive Officer, General Manager, Production Division, Rinnai (current)

Apr 1965 Joined Toyota Motor Co., Ltd. (now Toyota Motor Corporation) Jun 1996 Director, Toyota Motor Corporation Jun 1999 Managing Director, Toyota Motor Corporation Jun 2001 Senior Managing Director, Toyota Motor Corporation Jun 2005 Senior Advisor, Toyota Motor Corporation; Representative Director, President, Towa Fudosan Co., Ltd. (now Toyota Fudosan Co., Ltd.) Jun 2006 Director, Naka Nihon Kogyo Co., Ltd. May 2010 Advisor, Toyota Motor Corporation Jun 2010 Senior Advisor, Towa Fudosan Co., Ltd. (now Toyota Fudosan Co., Ltd.) Jun 2011 Audit & Supervisory Board Member, Central Japan Expressway Company Nov 2011 Chairperson, Specified Nonprofit Corporation Sasaeai Jun 2016 Outside Director, Rinnai Jun 2024 Outside Director; Chair, Nomination Advisory Committee; Chair, Compensation Advisory Committee, Rinnai Mar 2025 Lead Independent Outside Director; Chair, Nomination Advisory Committee; Chair, Compensation Advisory Committee, Rinnai (current)

Apr 1975 Joined Nippon Toki Co., Ltd. (now Noritake Co., Limited) Jun 2005 Director, Noritake Company, Limited (now Noritake Co., Limited) Apr 2008 Director, Managing Executive Officer, Noritake Company, Limited Jun 2010 Director, Senior Managing Executive Officer, Noritake Company, Limited Jun 2011 Director, Vice President, Executive Officer, Noritake Company, Limited Apr 2012 Representative Director, Vice President, Executive Officer, Noritake Company, Limited Jun 2013 Representative Director, President, Executive Officer, Noritake Company, Limited Jun 2018 Representative Director, Chairman, Noritake Company, Limited Jun 2021 Outside Director, Meiko Kaiun Co., Ltd. Jun 2023 Outside Director, Rinnai Jun 2026 Lead Independent Outside Director; Chair, Nomination Advisory Committee; Chair, Compensation Advisory Committee, Rinnai (scheduled)

Apr 1987 Joined The Bank of Tokyo, Ltd. (now MUFG Bank, Ltd.) Sep 1996 Joined World Bank Group May 2001 Joined Toyota Motor Europe NV/SA Jan 2015 Same company, General Manager, Global Treasury & Investor Relations Mar 2018 Toyota Motor Corporation, Accounting Division, Chief, IR & Stock Group Nov 2018 Joined SoftBank Group Corp.; Managing Director, Head of Finance & IR Feb 2020 Managing Partner, SoftBank Group International Ltd. Jun 2020 Outside Director, Nippo Sangyo Co., Ltd. Jun 2023 Outside Director, Rinnai (current) Mar 2024 Outside Audit & Supervisory Board Member, Kirin Holdings Company, Limited (current)

1989 Editor-in-Chief and Publisher, English-language magazine AVENUES 2005 Producer, Aichi Expo Friendship Film Festival Apr 2012 Professor, Faculty of International Information, Kinjo Gakuin University Apr 2014 Event Director, Aichi International Women's Film Festival (Aichi Gender Equality Foundation) Apr 2021 Professor, Faculty of Engineering, Nagoya International Professional University of Technology (current) Jun 2024 Outside Director, Rinnai (current)

Apr 1984 Joined Rinnai Apr 2016 Executive Officer, General Manager, Technology Development Department, Development Division, Rinnai Apr 2021 Executive Officer, Deputy General Manager, Quality Assurance Division, General Manager, Quality Assurance Department, Rinnai Apr 2022 Senior Executive Officer, General Manager, Quality Assurance Division, Rinnai Apr 2023 Assigned to General Manager, Quality Assurance Division, Rinnai Jun 2023 Audit & Supervisory Board Member, Rinnai (current)

Apr 1986 Joined Rinnai Apr 2018 General Manager, Accounting Department, Rinnai Apr 2021 Executive Officer, General Manager, Accounting Department, Rinnai Apr 2024 Assigned to General Manager, Management Administration Division, Rinnai Jun 2024 Audit & Supervisory Board Member, Rinnai (current)

Sep 1976 Registered as Certified Public Accountant Jul 1988 Partner, Tohmatsu & Co. (now Deloitte Touche Tohmatsu LLC) Jun 2014 Retired from Deloitte Touche Tohmatsu LLC Jul 2014 Head, Masaaki Matsuoka Certified Public Accountant Office (current) Jun 2016 Outside Audit & Supervisory Board Member, Rinnai (current) Aug 2020 Outside Director (Audit and Supervisory Committee Member), Mitachi Sangyo Co., Ltd. (current) May 2023 Outside Director (Audit and Supervisory Committee Member), Kane Bisyoku Foods Co., Ltd.

Apr 1978 Registered as Attorney at Law; joined Saji Ota Law Office Jun 1991 Head, Ota & Watanabe Law Office (now TRUTH & TRUST Law Corporation) Apr 2016 Outside Director (Audit and Supervisory Committee Member), Howa Machinery, Ltd. Jun 2016 Outside Audit & Supervisory Board Member, Rinnai (current) Jan 2020 Established TRUTH & TRUST Law Corporation; Managing Partner (current)