Mar 1990 Joined Shinko Home Co., Ltd. Dec 1992 Joined INOAC Corporation Mar 2001 Joined Form Dankan Co., Ltd. Oct 2003 Joined BASF INOAC Polyurethanes Co., Ltd. Nov 2004 Founded the Company; assumed office as Representative Director, President (current) Jul 2016 Assumed office as Representative Director, Aquafoam Asia Associates Inc. (current)

Apr 1987 Joined the office of a member of the House of Representatives Sep 1993 Joined Central Holmes Co., Ltd. Dec 2004 Joined the Company; General Manager, General Affairs Department Feb 2009 Director; General Manager, General Affairs Department Aug 2012 Managing Director Mar 2013 Senior Managing Director Jul 2023 Senior Managing Director, in charge of Administration Division, Finance and Accounting Division, and Business Management Division Jan 2025 Senior Managing Director, in charge of Administration Division, Finance and Accounting Department, Internal Control Department, Sales Support Department, and Construction Process Management Department (current)

Apr 1992 Joined Nisshinbo Chemical Inc. Sep 2012 Seconded to NEDO (New Energy and Industrial Technology Development Organization) Mar 2016 Joined the Company; General Manager, Raw Materials Development Department Mar 2018 Director Mar 2019 Executive Officer; General Manager, Technical Center Mar 2022 Director, in charge of Development Department and Technical Center Jan 2024 Director, in charge of Technical Center, Quality Control Department, Construction Department, Store Development Department, and Machinery Maintenance Department Mar 2025 Managing Director, in charge of Technical Center, Estimating Department, Environment Department, and Machinery Maintenance Department (current)

Feb 1994 Joined Housetec Co., Ltd. Apr 2013 Joined the Company Mar 2017 Block Manager, Hokuriku and Koshinetsu Block Jan 2019 Block Manager, Kita-Kanto Block Jan 2020 Executive Officer Jan 2023 Senior Executive Officer, in charge of Housing Business Division Mar 2023 Director, in charge of Housing Business Division Jan 2024 Director, in charge of Housing Business (current)

Apr 1993 Joined Osaka Fernandes Co., Ltd. Aug 1997 Joined Sumitomo Forestry 2x4 Co., Ltd. Jul 2008 Joined the Company Oct 2012 General Manager, Tohoku Block Sales Department Feb 2016 General Manager, Construction Sales Department Mar 2016 Director Mar 2019 Executive Officer Jan 2023 Deputy Senior Executive Officer, in charge of Construction Business Division Mar 2023 Director, in charge of Construction Business Division Jan 2025 Director, in charge of Construction Business and Quality Control Department (current)

Oct 2003 Joined Kyoto Office of Chuo Aoyama Audit Corporation (now PwC Japan LLC) Mar 2007 Registered as Certified Public Accountant Jun 2012 Established Ken Kenmochi CPA Office; Representative (current) Apr 2017 Senior Managing Director, Takayoshi Co., Ltd. Dec 2021 Representative Director and Vice President, Takayoshi Co., Ltd. Mar 2023 Outside Director of the Company (current) Jun 2023 Outside Director (Audit and Supervisory Committee Member), Nihon Kagaku Kogyo Co., Ltd. (current)

Apr 1978 Joined Mitsubishi Corporation Oct 2003 Joined Ecolab K.K. Jul 2005 Representative Director, President, Ecolab K.K. Oct 2010 General Manager, Sales Headquarters, GE Toshiba Silicones Co., Ltd. Mar 2013 Executive Officer and Representative Director, President, Bell System 24 Co., Ltd. Mar 2016 Chairman of the Board, Bell System 24 Holdings Co., Ltd. Mar 2019 Outside Audit & Supervisory Board Member, Kuraray Co., Ltd. (current) Mar 2025 Outside Director of the Company (current) Jul 2025 Representative Executive Officer and President, FCL Components Ltd. (current) Jul 2025 Chairman, Longreach Business Partners Co., Ltd. (current)

Apr 1987 Joined Tokyo Stock Exchange Jun 2010 General Manager, Planning Department, Financial Accounting Standards Foundation; Senior Research Fellow, Corporate Accounting Standards Committee Jun 2012 General Manager, Examination Department, Japan Exchange Regulation Jun 2014 General Manager, Listing Examination Department, Japan Exchange Regulation Jun 2016 Full-time Audit & Supervisory Board Member, Japan Exchange Regulation Jun 2021 Outside Audit & Supervisory Board Member, Heiwa Real Estate Co., Ltd. Jun 2022 Executive Officer with Special Duties, Heiwa Real Estate Co., Ltd. Apr 2024 Advisor, D&IR Research Institute, Takara Printing Co., Ltd. (current) Nov 2024 Outside Audit & Supervisory Board Member, TELEXISTENCE Inc. (current) Mar 2026 Outside Director (Audit and Supervisory Committee Member) of the Company (current)

Apr 2004 Joined the Legal Training and Research Institute of the Supreme Court of Japan Oct 2005 Completed the Legal Training and Research Institute; registered as attorney (current) Jan 2016 Affiliated with Sunrise Law Office (current) Mar 2017 Outside Director of the Company May 2017 Outside Director, AZ Kikaku Sekkei Co., Ltd. Feb 2021 Deputy Secretary-General, Japan Federation of Bar Associations May 2022 Outside Director (Audit and Supervisory Committee Member), AZ Kikaku Sekkei Co., Ltd. Mar 2023 Outside Director (Audit and Supervisory Committee Member) of the Company (current) Mar 2023 Outside Director (Audit and Supervisory Committee Member), Nisuikon Co., Ltd. (current) Dec 2024 Outside Director (Audit and Supervisory Committee Member), Temona Co., Ltd. (current)

Oct 1997 Joined Chuo Audit Corporation Apr 2001 Registered as Certified Public Accountant (current) Aug 2007 Joined Mizuho Securities Co., Ltd. Aug 2009 Joined Japanese Institute of Certified Public Accountants Apr 2012 Associate Professor, Graduate School of Accounting, Tohoku University Jan 2013 Joined Taiyo LLC Audit Corporation Jun 2016 Established Higuchi CPA Office; Representative (current); Outside Audit & Supervisory Board Member, Nippon Paper Trading Co., Ltd. (current) Apr 2018 Professor, Graduate School of Accounting, Tohoku University (current) Mar 2020 Outside Director of the Company Jul 2022 Director, Japanese Institute of Certified Public Accountants Mar 2023 Outside Director (Audit and Supervisory Committee Member) of the Company (current) Jun 2023 Audit & Supervisory Board Member, Japan Management Association Consultants Co., Ltd. (current) Jun 2025 Outside Audit & Supervisory Board Member, FanPep Co., Ltd. (current)

Oct 2002 Completed the Legal Training and Research Institute; registered as attorney (current) Affiliated with Anderson Mori Law Office (now Anderson Mori & Tomotsune) Apr 2003 Bank of Japan, Operations Bureau May 2006 Counselor's Office, Civil Affairs Bureau, Ministry of Justice Jan 2011 Partner, Nakamura, Tsunoda & Matsumoto Law Office (current) Jun 2013 Part-time Audit & Supervisory Board Member, Ines Corporation Mar 2017 Outside Audit & Supervisory Board Member of the Company Mar 2019 Outside Audit & Supervisory Board Member, Barrio Secure Inc. Apr 2019 Outside Director, Kitamura Holdings Co., Ltd. Jun 2021 Outside Director (Audit and Supervisory Committee Member), Kitamura Holdings Co., Ltd. (current) Nov 2022 Outside Director (Audit and Supervisory Committee Member), Barrio Secure Inc. Dec 2022 Outside Director, Fuji Soft Inc. Mar 2023 Outside Director (Audit and Supervisory Committee Member) of the Company (current)