Apr 1970 Joined Maeda Kigyojo Nov 1972 Established the Company; Representative Director, President Dec 2014 Representative Director, President and CEO of the Company Jun 2015 Director (Outside), H&F Co., Ltd. Sep 2016 Representative Director, Chairman, Mirai Kosen Co., Ltd. (current) Sep 2018 Representative Director, Chairman and CEO of the Company (current)

Apr 1996 Joined Teijin Limited Jul 2002 Joined the Company Dec 2009 Director of the Company; Deputy General Manager, Environmental Materials Division and General Manager, Imitation Wood Promotion Department Dec 2012 Managing Director of the Company; General Manager, Corporate Planning Office Sep 2013 Chairman, MAEDA KOSEN VIETNAM CO., LTD. (current) Dec 2013 Senior Managing Director of the Company; General Manager, Infrastructure Business Division Dec 2014 Director, Senior Managing Executive Officer and General Manager, Infrastructure Business Division of the Company Aug 2015 Director, COO and Senior Managing Executive Officer of the Company Sep 2018 Representative Director, President and COO of the Company (current) Dec 2023 Representative Director, Chairman, BBS Japan Co., Ltd. (current)

Apr 1979 Joined The Fukui Bank, Ltd. Nov 2004 Joined PLANT Co., Ltd. Dec 2004 Senior Managing Director, PLANT Co., Ltd. Sep 2013 Joined the Company Oct 2013 Managing Executive Officer and General Manager, Management Administration Division of the Company Dec 2013 Director and General Manager, Management Administration Division of the Company Dec 2014 Director, Managing Executive Officer and General Manager, Management Administration Division of the Company (current)

Jan 1993 Joined the Company May 2004 Manager, Fukuoka Branch, Sales Division of the Company Sep 2008 Manager, Fukuoka Branch, Environmental Materials Division of the Company Mar 2010 Deputy General Manager, Environmental Materials Division and General Manager, Structure Maintenance Promotion Department of the Company Sep 2010 Executive Officer, Deputy General Manager, Environmental Materials Division and General Manager, Structure Maintenance Promotion Department of the Company Jul 2014 Executive Officer, Deputy General Manager, Infrastructure Business Division Sales, General Manager, Structure Maintenance Promotion Department and General Manager, Slope Reinforcement Soil Promotion Department of the Company Aug 2015 Executive Officer, Development Sales Promotion Division, General Manager, Structure Maintenance Promotion Department of the Company Sep 2016 Executive Officer, Development Sales Promotion Division, General Manager, Structure Maintenance Promotion Department and General Manager, Reinforced Soil Drainage Promotion Department of the Company Jul 2018 Managing Executive Officer and General Manager, Infrastructure Business Sales Division of the Company Dec 2021 Director, Managing Executive Officer and General Manager, Infrastructure Business Sales Division of the Company (current) Jul 2026 Representative Director, President, Maeda Kosen Sanshi Co., Ltd. (current)

Apr 2000 Joined Fukui Television Broadcasting Co., Ltd. Apr 2013 Deputy Senior Specialist, Fukui Television Broadcasting Co., Ltd. Apr 2015 News Program Department, News Division, Fukui Television Broadcasting Co., Ltd. Apr 2016 Deputy General Manager, News Department, News Production Division, and Chief Announcer, Fukui Television Broadcasting Co., Ltd. Apr 2018 Freelance announcer (current) Sep 2022 Director of the Company (current)

Apr 1987 Joined Boston Consulting Group Dec 1992 Completed INSEAD MBA program Sep 1996 Joined Accenture (then Andersen Consulting) Apr 2000 Partner, Accenture Apr 2003 Managing Partner, Strategy Group, Accenture Apr 2008 Professor, Kanazawa Institute of Technology (current) Apr 2009 Visiting Professor, Waseda Business School (current) Jun 2009 Director, Houkago NPO After School (current) May 2011 Director, 3keys NPO (current) Apr 2016 Visiting Professor, Joshi Eiyo University (current) Sep 2023 Director of the Company (current)

Apr 1996 Registered as attorney; joined Tokyo City Law and Tax Office Oct 2000 Joined Daiwa SB Capital Markets Co., Ltd. (now Daiwa Securities Co., Ltd.) Oct 2002 Joined ORIX Corporation Jan 2009 Partner, Soga, Uryu & Itoga Law Office (now Uryu & Itoga Law Office) Jun 2011 Director, Tokyo Star Bank, Ltd. Jun 2014 Representative Director, GOF Investment Advisory Co., Ltd. (now GOF Co., Ltd.) (current) Jun 2016 Director, Living Platform Co., Ltd. (current) Jun 2018 Director, Enecoat Technologies Co., Ltd. Apr 2020 Director, IP Bridge Co., Ltd. May 2021 Representative Director, Kobayashi Kako Co., Ltd. Mar 2024 Audit & Supervisory Board Member, Enecoat Technologies Co., Ltd. (current) May 2025 Senior Advisor, Kamimura, Ohira & Mizuno Law Office (now KOM Law Office) (current) Sep 2025 Director of the Company (current)

Sep 1998 Joined the Company Mar 2002 Manager, Technology Department, Technology Development Division of the Company Apr 2005 Director of the Company Sep 2006 Executive Officer of the Company Oct 2013 Managing Executive Officer; General Manager, Development and Manufacturing Division, Infrastructure Business Division, and Manager, Purchasing Department of the Company May 2015 Managing Executive Officer; General Manager, Development and Manufacturing Division, and Manager, Quality Control Department of the Company Nov 2015 Managing Executive Officer and General Manager, Development Sales Promotion Division of the Company Dec 2016 Director, Managing Executive Officer and General Manager, Development Sales Promotion Division of the Company Aug 2019 Director, Managing Executive Officer; Assistant General Manager, Infrastructure Business Sales Division and Manufacturing Division, and Manager, Purchasing Department of the Company Dec 2019 Riji (Corporate Officer), Assistant General Manager, Infrastructure Business Sales Division and Manufacturing Division, and Manager, Purchasing Department of the Company Dec 2020 Adviser to the Company Dec 2021 Full-time Audit & Supervisory Board Member of the Company (current)

Apr 1988 Court Official, Board of Audit of Japan Apr 1992 Registered as attorney (Fukui Bar Association) Apr 1993 Yamakawa Law Office (current) Oct 1996 Court Mediation Commissioner (current) Apr 2003 Registered as certified public accountant; Yamakawa CPA Office (current) May 2012 Chairman, Fukui Prefectural Labor Relations Commission Dec 2014 Audit & Supervisory Board Member of the Company (current) Apr 2019 Registered patent attorney; Yamakawa Patent Office (current)

Apr 1972 Joined The Fukui Bank, Ltd. Jun 1997 Director, The Fukui Bank, Ltd. Jun 1999 Managing Director, The Fukui Bank, Ltd. Jun 2004 Representative Director, Fukui FM Broadcasting Co., Ltd. Jun 2012 Full-time Audit Member, University of Fukui (National University Corporation) Apr 2016 Full-time Adviser, University of Fukui (National University Corporation) Sep 2022 Audit & Supervisory Board Member of the Company (current)