Apr 1971 Joined Sumitomo Bank, Ltd. (currently Sumitomo Mitsui Banking Corporation) Oct 1997 Hibiya Branch Manager, Sumitomo Mitsui Banking Corporation May 2000 Executive Officer; General Manager, Tokyo Corporate Business Division No. 4 and No. 5, Sumitomo Mitsui Banking Corporation Apr 2001 Joined GeoTop Corporation Jun 2001 Director and Senior Managing Director, GeoTop Corporation May 2002 Representative Director and Senior Managing Director, GeoTop Corporation Jun 2003 Representative Director and Executive Vice President, GeoTop Corporation Apr 2005 Representative Director and Executive Vice President, the Company Apr 2006 Representative Director and Chairman, Japan Pile Manufacturing Co., Ltd. Apr 2007 Representative Director and President, the Company Dec 2011 Director, Phan Vu Investment Corporation (current) Mar 2015 Representative Director and President, Japan Pile Preparatory Co., Ltd. (currently Japan Pile Co., Ltd.) Jun 2019 Representative Director, Chairman and President, Japan Pile Co., Ltd. Jun 2019 Representative Director, Chairman and President, the Company Jul 2019 Representative Director, Chairman, President and Chief Operating Officer, the Company Jun 2022 Representative Director and Chairman, the Company (current) Jun 2024 Representative Director and Chairman, Japan Pile Co., Ltd. (current)

Apr 1979 Joined Sumitomo Bank, Ltd. (currently Sumitomo Mitsui Banking Corporation) Oct 1998 Mitaka Branch Manager, Sumitomo Mitsui Banking Corporation Apr 2001 General Manager, Josai Corporate Business Department, Sumitomo Mitsui Banking Corporation Apr 2004 General Manager, Tennoji-Ekimae Corporate Business Department No. 1, Sumitomo Mitsui Banking Corporation Apr 2007 Executive Officer; General Manager, Hibiya Corporate Business Department No. 2, Sumitomo Mitsui Banking Corporation Apr 2008 Executive Officer; Deputy Executive in charge of Information Systems Planning Department, Sumitomo Mitsui Banking Corporation Apr 2010 Managing Executive Officer; Deputy Executive Responsible for Corporate Division (in charge of Eastern Japan), Sumitomo Mitsui Banking Corporation Jun 2011 Director and Senior Managing Executive Officer, The Japan Research Institute, Limited Jun 2015 Director and Vice President Executive Officer, The Japan Research Institute, Limited Jun 2016 Representative Director and Vice President Executive Officer, The Japan Research Institute, Limited Jun 2020 Vice President Director, the Company Jun 2021 Vice President Director and Vice President Executive Officer in charge of Administration, the Company Jun 2022 Representative Director and Vice President, Japan Pile Co., Ltd. Jun 2022 Representative Director, President and Chief Operating Officer in charge of Administration and Internal Control, the Company (current) Jun 2024 Representative Director and President, Japan Pile Co., Ltd. (current)

Apr 1978 Joined Yokon Co., Ltd. Apr 2006 Director; General Manager, Sales Division and Sales Promotion Department, Yokon Co., Ltd. Jun 2006 Managing Director, Yokon Co., Ltd. Apr 2007 Executive Officer; General Manager, Cast-in-Place Pile Sales Division, the Company Jun 2010 Director and Executive Officer; Deputy General Manager, Sales Division, the Company Jun 2014 Managing Director and Executive Officer in charge of Eastern Japan Sales, the Company Oct 2015 Director; Deputy Executive in charge of Business, the Company Jun 2018 Director; Deputy in charge of Business and International Affairs, the Company Jul 2019 Director and Executive Officer in charge of International Support, the Company Jun 2021 Director and Executive Officer; Deputy in charge of Domestic Business Promotion, the Company (current)

Apr 1980 Joined Sumitomo Bank, Ltd. (currently Sumitomo Mitsui Banking Corporation) Apr 1999 Hibiya Branch Manager, Sumitomo Mitsui Banking Corporation Jun 2002 General Manager, Nihonbashi Corporate Business Department No. 3, Sumitomo Mitsui Banking Corporation Apr 2006 General Manager, Head Office Business Department No. 1, Sumitomo Mitsui Banking Corporation Apr 2008 Executive Officer; General Manager, Shinjuku Corporate Business Division and Saitama-Ikebukuro Corporate Business Division, Sumitomo Mitsui Banking Corporation Apr 2009 Executive Officer and President, Sumitomo Mitsui Banking (China) Co., Ltd. Apr 2012 Managing Executive Officer, Sumitomo Mitsui Banking Corporation Jun 2014 Senior Managing Executive Officer; Deputy General Manager, Eastern Japan Sales, Sumitomo Mitsui Card Company, Limited Jun 2016 Representative Director and Senior Managing Executive Officer, Sumitomo Mitsui Card Company, Limited Jul 2019 Adviser, the Company Apr 2020 Adviser, Vietnam Office, Business Promotion Department, the Company Jun 2021 Director and Executive Officer in charge of International Business Promotion and International Support, the Company Dec 2021 Director, Phan Vu Investment Corporation (current) Jun 2025 Director and Executive Officer in charge of International Business Promotion, the Company (current)

Apr 1987 Joined Watanabe-gumi Co., Ltd. Apr 1991 Joined Daido Concrete Industry Co., Ltd. Apr 2007 Tokyo Branch Manager, Kanto Branch, Japan Pile Co., Ltd. (currently Asia Pile Holdings Corporation) Apr 2016 Executive Officer and Tokyo Branch Manager, Japan Pile Co., Ltd. Apr 2018 Executive Officer; Deputy in charge of Sales and Tokyo Branch Manager, Japan Pile Co., Ltd. Jun 2018 Director; Deputy in charge of Sales and Tokyo Branch Manager, Japan Pile Co., Ltd. Jun 2019 Managing Director; Deputy in charge of Sales, Japan Pile Co., Ltd. Jun 2022 Senior Managing Director; Deputy in charge of Sales and Design Quality, Japan Pile Co., Ltd. (current) Jun 2024 Director and Executive Officer in charge of Domestic Business Promotion, the Company (current)

Sep 1983 Joined 622 Mechanical Transport Company Jan 1991 Director, Dai Viet Phat Private Enterprise Jun 1996 Chairman and General Director, Phan Vu Investment Corporation Jun 2014 Director, the Company (current) Jan 2018 Chairman, Phan Vu Investment Corporation Mar 2021 Chairman and General Director, Phan Vu Investment Corporation Jan 2023 Chairman, Phan Vu Investment Corporation (current)

Apr 1973 Registered as attorney, Dai-ichi Tokyo Bar Association May 1991 Member, Legislative Council, Ministry of Justice Jan 1998 Chairman, External Audit Committee, Japan Federation of Bar Associations Jun 2003 Audit & Supervisory Board Member, GeoTop Corporation Jun 2003 Chairman of the Board, Daido Concrete Industry Co., Ltd. Jun 2004 Audit & Supervisory Board Member, Daido Concrete Industry Co., Ltd. Apr 2005 Audit & Supervisory Board Member, the Company Jun 2006 Director, the Company (current) Oct 2014 Outside Audit & Supervisory Board Member, KADOKAWA DWANGO Corporation (currently KADOKAWA Corporation) Jun 2019 Outside Director, Maeda Road Construction Co., Ltd. (current) Jul 2020 Outside Director, Leopalace21 Corporation (current) Jun 2022 Outside Director, KADOKAWA Corporation

Apr 1977 Joined Kawasaki Steel Corporation (currently JFE Steel Corporation) Jul 1992 Director, Human Resources Development Office, Personnel Department, Kawasaki Steel Corporation Jul 1994 Director, Organization and Systems Office, Personnel Department, Kawasaki Steel Corporation Apr 2003 Director, Overseas Business Office, Corporate Planning Department, JFE Steel Corporation Apr 2007 General Manager, Corporate Planning Department, JFE Holdings, Inc. Apr 2008 Executive Officer; General Manager, Corporate Planning Department, JFE Shoji Corporation Apr 2011 Director and Managing Executive Officer, JFE Shoji Corporation Jun 2011 Director, JFE Shoji Holdings, Inc. Apr 2014 Representative Director and Senior Managing Executive Officer, JFE Shoji Corporation Apr 2016 Representative Director and Vice President Executive Officer, JFE Shoji Corporation Jun 2022 Outside Director, the Company (current)

Apr 1977 Joined Sumitomo Bank, Ltd. (currently Sumitomo Mitsui Banking Corporation) Jan 1996 Branch Manager, Umeda-Kitaguchi Branch, Sumitomo Mitsui Banking Corporation Apr 2001 General Manager, Sakai Corporate Business Department, Sumitomo Mitsui Banking Corporation Jun 2003 General Manager, Osaka Partnership Business Department, Sumitomo Mitsui Card Company, Limited Jan 2007 Executive Officer and General Manager, Advertising Department, Sumitomo Mitsui Card Company, Limited Jul 2007 General Manager, Business Planning Department, BIC CAMERA INC. Sep 2007 General Manager, Public Relations and IR Department, BIC CAMERA INC. May 2017 Adviser, Japan Elevator Service Holdings Co., Ltd. Jun 2018 Full-time Audit & Supervisory Board Member, Japan Elevator Service Holdings Co., Ltd. Jun 2020 Representative Director, President and COO, Japan Elevator Service Holdings Co., Ltd. Apr 2022 Director and Senior Adviser, Japan Elevator Service Holdings Co., Ltd. Jun 2022 Senior Adviser, Japan Elevator Service Holdings Co., Ltd. Jun 2022 Outside Director, the Company (current)

Apr 1987 Joined Nippon Information Service Co., Ltd. (currently The Japan Research Institute, Limited) Apr 1996 General Manager, Legal Affairs Department, The Japan Research Institute, Limited May 2016 Executive Officer and General Manager, Legal Affairs Department, The Japan Research Institute, Limited (current) Jun 2023 Outside Director, Nichiha Corporation (current) Jun 2024 Outside Director, the Company (current)

Apr 1986 Joined Kuramata Design Office Apr 1993 Established Igarashi Design Studio Aug 2001 Established Igarashi Design Studio, Ltd.; Representative Director (current) May 2002 Judge, Good Design Award, Japan Institute of Design Promotion (current) Jul 2007 Part-time Lecturer, Joshibi University of Art and Design Apr 2010 Professor, Department of Spatial Design, Musashino Art University (current) Jun 2018 Judge, Kids Design Award, Kids Design Council (current) Jun 2025 Outside Director, the Company (current)

Apr 1981 Joined Sumitomo Bank, Ltd. (currently Sumitomo Mitsui Banking Corporation) Oct 2003 General Manager, Fukui Corporate Business Department and Fukui Branch Manager, Sumitomo Mitsui Banking Corporation May 2009 General Manager, Planning Department, Corporate Planning Division, Japan Pile Co., Ltd. Jun 2009 General Manager, Planning Department, Corporate Planning Division and General Manager, Operations Management Department, Japan Pile Co., Ltd. Apr 2010 Executive Officer; Deputy General Manager, Corporate Planning Division; General Manager, Sales Planning Department, Sales Division; General Manager, Operations Management Department, Japan Pile Co., Ltd. Apr 2011 Executive Officer; General Manager, Management Planning Office, Japan Pile Co., Ltd. Sep 2011 Executive Officer; General Manager, Management Planning Office and President's Office, Japan Pile Co., Ltd. Oct 2013 Executive Officer; General Manager, President's Office, Japan Pile Co., Ltd. Jun 2019 Director and Executive Officer; General Manager, President's Office, Japan Pile Co., Ltd. Jul 2019 Executive Officer; General Manager, Planning Department, the Company Jun 2023 Standing Audit and Supervisory Board Member (full-time), the Company (current)

Apr 1971 Joined Fuji Bank, Ltd. (currently Mizuho Bank, Ltd.) Apr 1996 Kobe Branch Manager, Mizuho Bank, Ltd. Jun 1999 Director; General Manager, Accounting Division, Toho Rayon Co., Ltd. Jun 2002 Director, Tokyo Seimitsu Co., Ltd. Oct 2004 Representative Director and Chief Financial Officer, Tokyo Seimitsu Co., Ltd. Apr 2011 Representative Director and President, Tokyo Seimitsu Co., Ltd. Apr 2015 Representative Director and Chairman, Tokyo Seimitsu Co., Ltd. Apr 2017 Director and Chairman, Tokyo Seimitsu Co., Ltd. Apr 2019 Adviser, Tokyo Seimitsu Co., Ltd. Jun 2019 Outside Audit & Supervisory Board Member, the Company (current) Jun 2022 Councilor, Precision Measurement Technology Promotion Foundation Jun 2024 Auditor, Precision Measurement Technology Promotion Foundation (current)

Oct 1982 Joined Showa Audit Corporation (currently EY ShinNihon LLC) Mar 1986 Registered as Certified Public Accountant Apr 1998 Partner, EY ShinNihon LLC Apr 2004 Senior Partner, EY ShinNihon LLC Jun 2018 Opened Kazunori Tanigami Certified Public Accountant Office (current) Jun 2022 Outside Audit & Supervisory Board Member, the Company (current)