Joined the Company Jun 1984 Saitama Sales Office Manager Jul 1988 New Business North Kanto Sales Office Manager Jan 1991 Director, New Business North Kanto Sales Office Manager Jun 1992 Director, Yokohama Branch Manager Mar 1999 Director, General Manager of Operations Department Jun 2002 Director, General Manager of Planning Department Oct 2007 Director, Representative Director and Executive Vice President of Sanwa Denzai Co., Ltd. Apr 2010 President and Representative Director of Sanwa Denzai Co., Ltd. Jun 2011 Director in charge of Planning Jan 2013 Representative Director and President Jun 2013 Director of Sanwa Denzai Co., Ltd. Jun 2021 Director of Kuriyama Aluminum Co., Ltd. Oct 2021 Representative Director and Chairman Jun 2024 (current)

Joined the Company Apr 1993 New Business North Kanto Sales Office Manager Mar 1999 New Business Kanagawa Sales Office Manager Aug 2000 New Business Keihan Sales Office Manager Apr 2003 New Business Sanyo Sales Office Manager Sep 2012 Kansai Branch Manager Apr 2017 Executive Officer, General Manager of Steel Structure Sales Department and Kansai Branch Manager Jun 2018 Executive Officer, General Manager of Steel Structure Sales Department Apr 2020 Director, General Manager of Steel Structure Sales Department Jun 2020 Managing Director, General Manager of Sales Division and General Manager of Steel Structure Sales Department Jun 2021 Managing Director, General Manager of Sales Division Apr 2023 President and Representative Director Jun 2024 (current)

Joined the Company Apr 1985 Yokohama Branch Manager Jun 2006 General Manager of Operations Department Jun 2011 Executive Officer, General Manager of Operations Department Jun 2011 Executive Officer, General Manager of West Japan Sales Department Apr 2013 Director, General Manager of West Japan Sales Department Jun 2016 Director, General Manager of West Japan Sales Department and Manager of Business Strategy Office Apr 2018 Director, General Manager of Sales Division, General Manager of West Japan Sales Department and Manager of Business Strategy Office Jun 2019 Managing Director, General Manager of Sales Division, General Manager of West Japan Sales Department and Manager of Business Strategy Office Jun 2020 Senior Managing Director, General Manager of Administration Division, General Manager of General Affairs Department and Manager of Business Strategy Office Jun 2021 director of Tech Build Co., Ltd. (current) Director of Tokai Step Co., Ltd. (current) Director of Fukoku Co., Ltd. (current) Director of Nihon Ashiba Holdings Co., Ltd. (current) Senior Managing Director, General Manager of Administration Division Apr 2024 Director of Ueda Construction Co., Ltd. (current) Oct 2024 Senior Managing Director, General Manager of Administration Division and Manager of SDGs Promotion Office Dec 2024 (current) Director of Ryukyu Bridge Co., Ltd. (current) Dec 2025

Joined the Company Feb 1990 Akita Sales Office Manager Apr 2006 Niigata Sales Office Manager Jun 2011 Niigata Branch Manager Apr 2014 General Manager of Operations Department Jun 2020 Director of Chuo Giken Co., Ltd. (current) Jun 2021 Executive Officer, General Manager of West Japan Sales Department Jun 2021 Executive Officer, General Manager of West Japan Sales Department and General Manager of Development Sales Department Apr 2022 Director, General Manager of West Japan Sales Department and General Manager of Development Sales Department Jun 2022 Director of Sanwa Denzai Co., Ltd. (current) Director of Kuriyama Aluminum Co., Ltd. (current) Director, General Manager of West Japan Sales Department, General Manager of Development Sales Department and Head of e-Commerce Group Apr 2023 Director, General Manager of West Japan Sales Department Apr 2024 Director, General Manager of Sales Division Jun 2024 Managing Director, General Manager of Sales Division Jun 2025 (current)

Joined the Company Apr 1990 Takamatsu Sales Office Manager Jul 2004 Osaka Branch Manager Jun 2011 Tokyo Branch Manager Oct 2017 Executive Officer, General Manager of East Japan Sales Department and Tokyo Branch Manager Jun 2018 Director, General Manager of East Japan Sales Department and Tokyo Branch Manager Jun 2019 Director of Suzuto Co., Ltd. (current) Nov 2025 Director, General Manager of East Japan Sales Department Apr 2026 (current)

Joined the Company Apr 1991 President of KONDOTEC INTERNATIONAL (THAILAND) Co.,LTD. Mar 2019 (current) Executive Officer Jun 2019 Executive Officer, General Manager of Overseas Sales Department Mar 2020 Director, General Manager of Overseas Sales Department Jun 2023 (current)

Joined the Company Apr 1992 Tokai Sales Office Manager Jul 1997 Chukyo Sales Office Manager Oct 2001 Chukyo Branch Manager Apr 2009 Shiga Plant Manager Apr 2013 Executive Officer, Shiga Plant Manager Jun 2016 Executive Officer, Kanto Plant Manager Oct 2017 Executive Officer, President and Representative Director of Kuriyama Aluminum Co., Ltd. Oct 2021 Executive Officer, Kyushu Plant Manager Oct 2022 Director, General Manager of Manufacturing Division and Kyushu Plant Manager Jun 2023 (current)

Joined the Company Apr 1988 Shizuoka Sales Office Manager Oct 1998 Kanazawa Sales Office Manager Jan 2002 Fukuoka Branch Manager Oct 2007 General Manager of Operations Department Apr 2013 General Manager of Overseas Sales Department Jun 2015 Executive Officer, General Manager of Overseas Sales Department Jun 2016 Director, General Manager of Overseas Sales Department Jun 2019 Director Feb 2020 (current) Chairman and Representative Director of Tokai Step Co., Ltd. (current) President and Representative Director of Nihon Ashiba Holdings Co., Ltd. Apr 2021 (current) President and Representative Director of Fukoku Co., Ltd. Jun 2025 (current) Director of Suzuto Co., Ltd. (current) Nov 2025

Registered as attorney-at-law Apr 1990 Joined Ohebashi Law Office Apr 1990 Partner of Ohebashi Law Office Apr 1998 Member of Ohebashi LPC & Partners Aug 2002 Outside Audit & Supervisory Board Member of USJ Co., Ltd. (now USJ G.K.) Jun 2007 Director of the Company Jun 2015 (current) Outside Audit & Supervisory Board Member of Sankyo Seiko Co., Ltd. Jun 2015 Outside Director of IDEC Corporation Jun 2016 Outside Director (Audit and Supervisory Committee Member) of IDEC Corporation Jun 2018 (current) Outside Director of AS ONE Corporation Jun 2020 Outside Director (Audit and Supervisory Committee Member) of AS ONE Corporation Jun 2023 (current) Attorney-at-law, Ohebashi LPC & Partners Jan 2026 (current)

Director of Sekisui Jushi Corporation Jun 1997 Managing Director, Executive Officer of Sekisui Jushi Corporation Jun 1999 Senior Managing Director of Sekisui Jushi Corporation Jun 2001 Executive Vice President of Sekisui Jushi Corporation Jun 2002 President and Representative Director of Sekisui Jushi Corporation Jun 2003 President and Executive Officer of Sekisui Jushi Corporation Jun 2012 Chairman and Representative Director and CEO of Sekisui Jushi Corporation Apr 2016 Chairman of the Board of Sekisui Jushi Corporation Apr 2022 Outside Director of Nihon Kogyo Co., Ltd. Jun 2022 Director of the Company Jun 2024 (current)

Joined Century Audit Corporation (now EY ShinNihon LLC) Oct 1993 Registered as Certified Public Accountant Apr 1997 Established Yasuda Accounting Office Mar 2000 Principal, Yasuda Accounting Office (current) Registered as Certified Tax Accountant Mar 2004 Outside Audit & Supervisory Board Member of Shinpo Co., Ltd. Sep 2009 Outside Audit & Supervisory Board Member of Sugi Holdings Co., Ltd. May 2010 Outside Director of GEO Holdings Corporation Jun 2016 (current) Outside Director of Chuo Spring Co., Ltd. Jun 2019 (current) Audit & Supervisory Board Member of the Company Jun 2019 Director (Audit and Supervisory Committee Member) of the Company Jun 2020 (current) Outside Director of Monogatari Corporation Sep 2021 (current)

Registered as attorney-at-law Apr 2000, joined Ozawa Akiyama Law Office Apr 2000 Joined Tokuda Law Office Oct 2003 Part-time Lecturer, Kyoto University Law School Oct 2018 Representative Attorney, Tokuda Law Office Jan 2020 (current) Director (Audit and Supervisory Committee Member) of the Company Jun 2020 (current) Visiting Professor, Kyoto University Law School Apr 2021

Director, Executive Officer, Head of Cosmetics Company of FANCL Corporation Jun 2008 Director, Executive Officer, Head of Business Development Promotion Division of FANCL Corporation Jun 2010 Director, Senior Managing Executive Officer and Head of Cosmetics Company of FANCL Corporation Mar 2013 Director, Senior Managing Executive Officer and President of FANCL Cosmetics Corporation Apr 2014 Director, Senior Managing Executive Officer in charge of New Business Format Development of FANCL Corporation Apr 2017 Adviser of FANCL Corporation Jul 2018 Director in charge of New Business of Anz Corporation May 2020 Outside Director of Nikka Chemical Co., Ltd. Mar 2021 (current) Director (Audit and Supervisory Committee Member) of the Company Jun 2021 (current) Outside Director of Suncrest Co., Ltd. Jun 2023 (current)

Joined The Mitsubishi Bank, Ltd. (now MUFG Bank, Ltd.) Apr 1991 General Manager of Shin-Osaka Branch, The Bank of Tokyo-Mitsubishi UFJ, Ltd. (now MUFG Bank, Ltd.) Jan 2016 Branch Manager of Senba Branch Mar 2019 Executive Officer of MST Insurance Service Co., Ltd. May 2021 Managing Executive Officer of MST Insurance Service Co., Ltd. Jun 2022 Senior Managing Director of MST Insurance Service Co., Ltd. Jun 2024 Joined the Company Jul 2025 Adviser to the Audit and Supervisory Committee Jul 2025 (current)