Apr 1985 Joined the Company Apr 2009 Deputy General Manager, Production Dept., Western Branch; Concurrently Manager, Design Section and Manager, Technology Development Section, Technology Dept. Apr 2010 Deputy General Manager, Technology & Design Development Dept.; Concurrently Manager, Design Section (Western Resident Office) Jun 2015 Director, General Manager, Technology & Design Development Dept. Jun 2019 Representative Director, President (current)

Apr 1988 Joined the Company Apr 2004 Plant Manager, Shiga Plant Apr 2015 Deputy General Manager, Production Dept., Western Branch; Concurrently Plant Manager, Kotou Plant Jun 2015 General Manager, Production Dept., Western Branch; Concurrently Deputy General Manager, Technology & Design Development Dept. Jun 2017 Director, Western Branch Manager Jun 2019 Managing Director, General Manager, Production Division and Western Branch Manager (current position) Jun 2023 Senior Managing Director (current)

Apr 1987 Joined Nihon Hume Pipe Co., Ltd. (now Nihon Hume Co., Ltd.) Jun 2013 Manager, Nagoya Branch, Nihon Hume Co., Ltd. Jun 2015 Executive Officer, Manager, Sapporo Branch, Nihon Hume Co., Ltd. Jun 2017 Executive Officer, Manager, Kanto-Tohoku Branch, Nihon Hume Co., Ltd. Apr 2019 Executive Officer, General Manager, Sales Division, and Manager, Kanto-Tohoku Branch, Nihon Hume Co., Ltd. Jun 2019 Director, General Manager, Sales Division, and Manager, Kanto-Tohoku Branch, Nihon Hume Co., Ltd.; Director of the Company Jun 2020 Managing Director, Managing Executive Officer, Nihon Hume Co., Ltd. Jun 2023 Senior Managing Director of the Company (current); General Manager, Sales Division (current)

Apr 1996 Joined the Company Apr 2013 Manager, Accounting Section, Eastern Property Management Dept.; Concurrently Manager, Administration Section and Manager, Finance Section Apr 2017 Acting General Manager, Accounting Dept.; Acting Deputy General Manager, Eastern Property Management Dept. Apr 2019 General Manager, Accounting Dept. and General Manager, Eastern Property Management Dept. (current) Jun 2019 Director (current)

Apr 1989 Joined the Company May 2005 Manager, Wakayama Sales Office Jun 2015 Deputy General Manager, Sales Dept., Western Branch; Concurrently Manager, Hanshin Sales Office Apr 2017 General Manager, Sales Dept., Western Branch (current) Jun 2021 Director (current)

Apr 1988 Joined Onoda Cement Co., Ltd. (now Taiheiyo Cement Corporation) Jun 2000 General Manager, Finance Dept., Shanghai Sanhang Onoda Cement Co., Ltd., China; Concurrently General Manager, Administration Dept. Feb 2003 Sub-Leader, Accounting Group, Accounting Dept., Taiheiyo Cement Corporation Jul 2014 Group Leader, Administration Business Group, Overseas Business Division, Taiheiyo Cement Corporation May 2017 Assistant General Manager, Onoda Cement Dalian Co., Ltd., China Jun 2021 Joined the Company; Deputy General Manager, General Affairs Dept. Jan 2022 General Manager, General Affairs Dept. Jun 2023 Director (current) Apr 2025 General Manager, General Affairs Dept. and General Manager, Human Resources Dept. (current)

Apr 1995 Joined the Company Apr 2010 Manager, Technology Development Section, Eastern Resident Office, Technology & Design Development Dept. Apr 2019 Deputy General Manager, Technology & Design Development Dept.; Concurrently Manager, Technology Development Section, Eastern Resident Office Jun 2019 Acting General Manager, Technology & Design Development Dept.; Concurrently Manager, Technology Development Section, Eastern Resident Office Apr 2020 General Manager, Technology & Design Development Dept. (current) Jun 2023 Director (current)

Mar 1989 Established Fukuda Certified Public Accountant Office Jun 2001 Accounting Auditor of the Company Jun 2009 Retired as Accounting Auditor of the Company Jun 2010 Member, Independent Committee for Response to Large-Scale Share Acquisitions (Takeover Defense Measures) of the Company (current) Jun 2017 Director (current)

Apr 1992 Joined Nihon Hume Co., Ltd. Sep 2005 Manager, General Affairs Section, Nagoya Branch, Nihon Hume Co., Ltd. Mar 2008 Assistant Chief, Human Resources Dept., Nihon Hume Co., Ltd. Apr 2012 Deputy General Manager, Human Resources Dept.; Concurrently Temporary Internal Audit Staff, Internal Audit Office, Nihon Hume Co., Ltd. Jun 2013 Deputy General Manager, Corporate Planning Dept.; Concurrently Temporary Internal Audit Staff, Internal Audit Office, Nihon Hume Co., Ltd. Jun 2016 Deputy General Manager, General Affairs Dept.; Deputy Head, Real Estate & Environment Business Division, Nihon Hume Co., Ltd. Jan 2018 Deputy Manager, Internal Audit Office, Nihon Hume Co., Ltd. Apr 2018 Manager, Internal Audit Office, Nihon Hume Co., Ltd. (current) Jun 2023 Director of the Company (current)

Oct 2000 Registered as attorney-at-law (Tokyo Bar Association); Joined Mori Sogo Law Office (now Mori Hamada & Matsumoto) Jan 2007 Seconded to Justice System Reform Promotion Office, Cabinet Secretariat Sep 2009 Joined Uryu Itoga Law Office LLP Jan 2010 Partner (current) Mar 2022 Outside Audit and Supervisory Committee Member, Base Co., Ltd. (current) Jun 2022 Outside Director, Golf Do Co., Ltd. (current) Jun 2025 Director of the Company (current)

Apr 1977 Joined the Company Jun 2013 Director of the Company Jun 2015 Managing Director, General Manager, Eastern-Tohoku Branch, and General Manager, Eastern Production Dept. Jun 2017 Full-time Audit and Supervisory Board Member (current)

Apr 1985 Joined the Company Apr 2012 Plant Manager, Ibaraki Plant Oct 2014 General Manager, Kanto Plant Apr 2015 Deputy General Manager, Production Dept., Eastern-Tohoku Branch; Concurrently General Manager, Kanto Plant Apr 2021 General Manager, Production Dept., Western Branch Jun 2025 Audit and Supervisory Board Member (current)

Apr 1994 Joined Nihon Cement Co., Ltd. (now Taiheiyo Cement Corporation) Apr 2000 Central Research Laboratory, Taiheiyo Cement Corporation Oct 2005 Technology Group, Quality Technology Dept., Cement Company, Taiheiyo Cement Corporation Oct 2009 Seconded to Gison Cement, Vietnam Nov 2012 Technology Dept., Tokyo Branch, Taiheiyo Cement Corporation Apr 2022 General Manager, Technology Dept., Tokyo Branch, Taiheiyo Cement Corporation Apr 2024 Leader, Sales Dept. Technology Group, Cement Business Division, Taiheiyo Cement Corporation (current) Jun 2025 Audit and Supervisory Board Member of the Company (current)

Apr 1979 Joined Nitto Audit Office (now Toyo Audit Corporation) Aug 1982 Registered as Certified Public Accountant Jul 1998 Representative Partner, Toyo Audit Corporation Aug 2009 Chairman, Toyo Audit Corporation Apr 2014 Auditor, National Institute of Technology (KOSEN) Aug 2014 Senior Advisor, Toyo Audit Corporation Jun 2018 Audit & Supervisory Board Member, Daihen Corporation (current) Sep 2020 Representative, Yoshida Certified Public Accountant Office (current) Jun 2025 Audit and Supervisory Board Member of the Company (current)