Apr 1979 Joined the Company Apr 2004 General Manager, First Business Division, Sales Headquarters, Bond Business Headquarters, the Company Apr 2006 Plant Manager, Tochigi Plant, Production Headquarters, Bond Business Headquarters, the Company Apr 2008 Executive Officer; General Manager, Production Headquarters, Business Promotion Headquarters, the Company Jun 2009 Director and Executive Officer, the Company; General Manager, Production Headquarters, Bond Business Headquarters Apr 2011 Managing Director, the Company; General Manager, Bond Business Headquarters May 2011 Chairman and Representative Director, Bond Chemical Trading Co., Ltd. Apr 2013 President and Representative Director, the Company May 2015 Chairman and Representative Director, Yazawa Chemical Industry Co., Ltd. (now Wall Bond Industry Co., Ltd.) (current) Apr 2017 Co-Representative, Konishi Group; Group CEO, Bond Group, the Company May 2017 Chairman and Representative Director, Sunrise M.S.I. Co., Ltd. (now Sunrise Co., Ltd.) (current) Apr 2018 Group CEO, Bond Group, the Company May 2020 Chairman and Representative Director, Maruyasu Sangyo Co., Ltd. (current) Apr 2021 Chairman and Representative Director, the Company; Group CEO, the Company (current) Jun 2025 In charge of Construction Business Group, the Company Apr 2026 In charge of Construction Business Group, the Company (current)

Apr 1985 Joined the Company Apr 2010 General Manager, Industrial Use Division, Sales Headquarters, Bond Business Headquarters, the Company Apr 2012 General Manager, First Industrial Use Division, Bond Sales Headquarters, Bond Business Headquarters, the Company Apr 2014 Executive Officer; Deputy General Manager, Bond Sales Headquarters, the Company Apr 2017 Senior Executive Officer; General Manager, Bond Sales Headquarters, Bond Group, the Company Jun 2018 Director and Senior Executive Officer, the Company Apr 2019 Director and Managing Executive Officer, the Company; Group CEO, R&D and Production Group; General Manager, R&D and Production Headquarters; General Manager, Production Control Department, the Company Apr 2021 General Manager, Chemical Products Headquarters; General Manager, Kanto Branch, the Company Apr 2024 President and Representative Director, the Company (current) May 2024 Chairman and Representative Director, Bond Chemical Trading Co., Ltd. (current)

Apr 1990 Joined the Company Apr 2013 General Manager, Corporate Planning Department, President's Office, the Company Apr 2014 General Manager, Accounting Division, Administration Headquarters, the Company Apr 2018 Executive Officer; Deputy General Manager, Administration Headquarters, the Company Apr 2021 General Manager, Administration Headquarters, the Company Apr 2022 Seconded to Sunrise Co., Ltd. May 2022 Managing Director, Sunrise Co., Ltd. Apr 2023 Managing Executive Officer; General Manager, Administration Headquarters; in charge of Human Resources Department and Corporate Planning Office, the Company (current) May 2023 Chairman of Supervisory Board, PT. KONISHI LEMINDO INDONESIA (current) Jun 2023 Director and Managing Executive Officer, the Company; CFO, the Company (current) Jun 2025 In charge of Overseas Business Group, the Company (current) Apr 2026 Senior Managing Executive Officer, the Company (current) Apr 2026 In charge of Human Resources Department, Corporate Planning Office and Overseas Business Group; General Manager, Administration Headquarters; General Manager, General Affairs Department (current)

Apr 1984 Registered with Osaka Bar Association (current) Apr 1984 Joined Kishida Law Office Apr 1989 Joined Takase Law Office (current) Dec 2013 Member, Osaka Prefectural Public Safety Commission Jun 2015 Director, the Company (current) Oct 2021 Chairperson, Osaka Prefectural Public Safety Commission

Apr 2004 Researcher, Ground Analysis Group, Regional Geo-Environment Research Institute (foundation) Aug 2006 Assistant Professor, Department of Civil and Earth Resources Engineering, Graduate School of Engineering, Kyoto University Apr 2007 Associate Professor, Department of Civil and Earth Resources Engineering, Graduate School of Engineering, Kyoto University Apr 2013 Associate Professor, Department of Urban Management, Graduate School of Engineering, Kyoto University Mar 2021 Professor, Department of Urban Management, Graduate School of Engineering, Kyoto University Apr 2021 Professor, Management Research Department, Graduate School of Management, Kyoto University (current) May 2022 Expert Member, Naniwasuji Line Technical Study Committee, Kansai Kosoku Tetsudo Co., Ltd. (current) Jun 2022 Member, Levee Research Committee, Japan Construction Technology Research Center (current) Apr 2023 Technical Advisor, Kansai Branch, West Nippon Expressway Company Limited (current) Apr 2023 Member, Structural Technology Committee, Hanshin Expressway Company Limited (current) Apr 2023 Road Disaster Prevention Doctor, Ministry of Land, Infrastructure, Transport and Tourism (current) Jun 2023 Director, the Company (current) Mar 2024 Professor, Department of Civil and Earth Resources Engineering, Graduate School of Engineering, Kyoto University (current)

Apr 1994 Joined the Company Apr 2016 General Manager, Urawa Research Laboratory, the Company Apr 2017 General Manager, Corporate Planning Department, President's Office, the Company Apr 2020 General Manager, Osaka Bond Sales Department, the Company Apr 2022 Plant Manager, Shiga Plant, the Company Apr 2023 General Manager, Osaka Research Laboratory, the Company May 2023 Director, Sunrise Co., Ltd.; Statutory Auditor, Bond Chemical Trading Co., Ltd. Oct 2023 Executive Officer; General Manager, R&D Headquarters, the Company Apr 2026 General Manager, Internal Audit Office, the Company Jun 2026 Director, Audit and Supervisory Committee Member, the Company (current)

Apr 1976 Joined Kintetsu Department Store Co., Ltd. May 2006 Executive Officer; Manager, Uehonmachi Store, Kintetsu Department Store Co., Ltd. May 2007 Executive Officer; Manager, Nara Store, Kintetsu Department Store Co., Ltd. May 2009 Director; Manager, Yokkaichi Store, Kintetsu Department Store Co., Ltd. May 2011 Director and Managing Executive Officer; Manager, Main Store, Kintetsu Department Store Co., Ltd. May 2013 Director and Senior Managing Executive Officer; Manager, Main Store, Kintetsu Department Store Co., Ltd. May 2014 Representative Director and Vice President, Kinsho Store Co., Ltd. Jun 2019 Statutory Auditor, the Company Jun 2021 Director, Audit and Supervisory Committee Member, the Company (current)

Oct 1980 Joined Tohmatsu & Aoki Audit Corporation (now Deloitte Touche Tohmatsu LLC) Mar 1985 Registered as Certified Public Accountant (current) Jul 1999 Partner, Deloitte Touche Tohmatsu (now Deloitte Touche Tohmatsu LLC) Jul 2019 Opened Miki Yamada Certified Public Accountant Office (current) Jun 2020 Statutory Auditor, the Company Jun 2021 Director, Audit and Supervisory Committee Member, the Company (current) Jul 2021 Partner, Rutland Audit Corporation (current) Jun 2024 Outside Statutory Auditor, YUSHIN Precision Equipment Co., Ltd. (now YUSHIN Co., Ltd.) (current)

Apr 1980 Joined Kinki Mutual Bank (now Kansai Mirai Bank, Ltd.) Jun 2005 Manager, Training Office, Human Resources Department, Kinki Mutual Bank Apr 2007 Manager, Sumiyoshi Branch, Kinki Mutual Bank Apr 2009 General Manager, Human Resources Department, Kinki Mutual Bank Apr 2013 Full-time Statutory Auditor, Kinki Mutual Bank Dec 2017 Full-time Statutory Auditor, Capital Asset Planning, Inc. Jun 2021 Outside Director, AGS Co., Ltd. Jan 2025 Outside Director, Audit and Supervisory Committee Member, Senshu Dengyo Co., Ltd. (current) Jun 2025 Director, Audit and Supervisory Committee Member, the Company (current)