Apr 1976 Joined the Company Dec 1994 General Manager, Fukuoka Branch, the Company Feb 1996 Director, Fukuoka Branch Manager, the Company Dec 1996 Managing Director, Fukuoka Branch Manager, the Company Dec 2000 Senior Managing Director, General Manager, Tokyo Division, the Company Dec 2005 Director, Senior Managing Executive Officer, General Manager, Production Technology Headquarters and Tokyo Branch Manager, the Company Jan 2008 Director, Vice President Executive Officer, General Manager, Production Headquarters and General Manager, Production Quality Control Office, the Company Dec 2009 Representative Director, Vice President Executive Officer, General Manager, Production Headquarters and General Manager, Production Quality Control Office, the Company Feb 2010 Director, KEC Shoji Co., Ltd. Dec 2012 Representative Director, Vice President Executive Officer, General Manager, General Headquarters, the Company Dec 2013 Representative Director, President, KEC International Co., Ltd. Feb 2015 Representative Director, President, the Company Feb 2017 Representative Director, President, KEC Shoji Co., Ltd. (current) Feb 2022 Representative Director, President and General Manager, General Headquarters, the Company (current)

Jun 1990 Representative Director, Freesia Home Co., Ltd. (now Freesia House Co., Ltd.) Dec 1991 President and Representative Director, Freesia Macros Co., Ltd. Jun 2001 Chairman and Representative Director, Freesia Macros Co., Ltd. Jul 2008 Representative Director, Picoi Co., Ltd. (current) Sep 2009 Chairman of the Board, Freesia Macros Co., Ltd. (current) Sep 2009 Representative Director, Yume Mitsuketai Co., Ltd. (current) Feb 2014 Chairman, Daito Me Holdings Co., Ltd. (current) Nov 2014 Representative Director, Sekisaku Co., Ltd. (current) Jun 2015 Chairman of the Board, Giken Kogyo Co., Ltd. May 2016 Representative Director, Freesia Holdings Co., Ltd. (current) Mar 2017 Representative Director, Yutaka Food Pack Co., Ltd. (current) Sep 2017 Director, Sorekia Co., Ltd. (current) Jan 2018 President and Representative Director, Giken Holdings Co., Ltd. (current) Feb 2019 Director, the Company Aug 2020 Representative Director, Rapinu Co., Ltd. (current) Jan 2022 Representative Director, Giken Kogyo Co., Ltd. (current) Feb 2024 Director and Senior Advisor, the Company (current)

Apr 1984 Joined the Company Jun 2000 Deputy General Manager, Tokyo Branch, the Company Dec 2000 General Manager, Business Planning Department, Tokyo Division, the Company Dec 2001 General Manager, Facility Design Department, Tokyo Division, the Company Dec 2003 General Manager, Corporate Planning and Development Office, the Company Dec 2004 Executive Officer, General Manager, Corporate Planning and Development Office, the Company Jan 2008 Managing Executive Officer, General Manager, Tokyo Second Branch, the Company Dec 2009 Managing Executive Officer, General Manager, Kyushu Branch and General Manager, Kyushu Branch Sales Division, the Company Feb 2010 Director, Managing Executive Officer, General Manager, Kyushu Branch and General Manager, Kyushu Branch Sales Division, the Company Dec 2011 Director, Managing Executive Officer, General Manager, West Japan Branch, the Company Dec 2015 Director, Managing Executive Officer, General Manager, Tokyo Branch, the Company (current) Feb 2023 Director, KDC Co., Ltd. (current)

Apr 1987 Joined the Company Apr 1996 Consultant, Department 9, Tokyo Branch, the Company Dec 2004 Executive Officer, General Manager, Third Technical Division, Tokyo Division, the Company Dec 2005 Executive Officer, General Manager, First Division, Tokyo Branch, the Company Jan 2008 Executive Officer, General Manager, Sales Division, Tokyo First Branch, the Company Apr 2009 Executive Officer, Deputy General Manager, Tohoku Branch, the Company Dec 2011 Executive Officer, Deputy General Manager, East Japan Branch and Manager, Tohoku Office, the Company Dec 2012 Managing Executive Officer, Deputy General Manager, East Japan Branch, the Company Dec 2015 Managing Executive Officer, General Manager, Tohoku Branch, the Company Feb 2020 Director, Managing Executive Officer, General Manager, Tohoku Branch, the Company (current)

Aug 1991 Joined the Company Dec 2005 General Manager, Technical Department, Tohoku Branch, the Company Jan 2008 Executive Officer, General Manager, President's Office, the Company Dec 2009 Executive Officer, General Manager, Tokyo Second Branch, the Company Dec 2015 Executive Officer, General Manager, Business Planning Office and General Manager, Proposal Promotion Office, the Company Dec 2016 Executive Officer, General Manager, Corporate Planning Office and General Manager, Business Planning Office, the Company Dec 2017 Executive Officer, General Manager, Corporate Planning Office, General Manager, Business Planning Office and General Manager, New Business Promotion Office, the Company Dec 2019 Director, KEC Shoji Co., Ltd. (current) Dec 2019 Executive Officer, General Manager, Business Planning Office and General Manager, New Business Promotion Office, the Company Feb 2022 Director, Executive Officer, General Manager, Business Planning Office, General Manager, New Business Promotion Office and General Manager, Construction Management Support Office, the Company (current) Feb 2023 Director, KDC Co., Ltd. (current)

Apr 1990 Joined the Company Mar 1997 Seconded to Japan Road Greening Conservation Association Jun 2003 General Manager, Environment Department, Tokyo Division, the Company Dec 2003 General Manager, Environment Department, Second Technical Division, Tokyo Division, the Company Dec 2005 Executive Officer, General Manager, Second Division, Tokyo Branch, the Company Jan 2008 Executive Officer, Deputy General Manager, Tokyo First Branch, the Company Jun 2009 Executive Officer, Deputy General Manager and General Manager, Tokyo Second Branch, the Company Dec 2009 Executive Officer, Deputy General Manager, Kyushu Branch, the Company Dec 2013 Executive Officer, Deputy General Manager, West Japan Branch, Manager, Kyushu Office and Manager, Kyushu Office Planning Department, the Company Dec 2015 Executive Officer, General Manager, Kyushu Branch and General Manager, Kyushu Branch Administration Department, the Company Feb 2024 Director, Executive Officer, General Manager, Kyushu Branch and General Manager, Kyushu Branch Administration Department, the Company (current)

Oct 1982 Joined Chuo Kaikei Audit Corporation Mar 1985 Registered as Certified Public Accountant Oct 1987 Opened Oshima CPA Office (current) Nov 1987 Registered as Certified Tax Accountant Jun 2004 Corporate Auditor, Nichii Gakkan Co., Ltd. Feb 2008 Corporate Auditor, the Company Jun 2014 Corporate Auditor, Medikit Co., Ltd. (current) Feb 2016 Director, the Company (current)

Apr 1990 Joined Freesia Home Co., Ltd. (now Freesia House Co., Ltd.) Jun 2017 Corporate Auditor, Freesia House Co., Ltd. (current) Mar 2019 Corporate Auditor, Daito Me Co., Ltd. (current) Jun 2020 Director, Freesia Macros Co., Ltd. (current) Feb 2022 Director, the Company (current)

Apr 2001 Joined Picoi Co., Ltd. Apr 2001 Nagano Branch, Picoi Co., Ltd. Sep 2011 Nagoya Branch, Picoi Co., Ltd. May 2017 Chubu Block Manager, Picoi Co., Ltd. Apr 2019 Executive Officer, Picoi Co., Ltd. (current) Feb 2022 Director, the Company (current)

Apr 1986 Joined Giken Kogyo Co., Ltd. Apr 2004 Leader, Technical Research Department, Product Business Headquarters, Giken Kogyo Co., Ltd. Apr 2011 Leader, Sales Department, Civil Engineering Business Headquarters, Giken Kogyo Co., Ltd. Jun 2013 General Manager, Technical Sales Department, Civil Engineering Business Headquarters, Giken Kogyo Co., Ltd. Jun 2015 Manager, Sendai Sales Office, Civil Engineering Business Headquarters, Giken Kogyo Co., Ltd. Jun 2017 Executive Officer, General Manager, North Japan Branch, Civil Engineering Business Headquarters, and Manager, Sendai Sales Office, Giken Kogyo Co., Ltd. Jun 2018 Executive Officer, Manager, Tohoku Sales Office, Civil Engineering Business Headquarters, Giken Kogyo Co., Ltd. Feb 2020 Director, the Company Sep 2022 Executive Officer (assigned to General Management Headquarters), Giken Kogyo Co., Ltd. (current) Feb 2023 Director, the Company (current)

Apr 1999 Joined the Company; General Manager, Administration Department, Technical Management Office Dec 2001 Deputy General Manager, Business Development Division, and General Manager, Social Information Planning Department, the Company May 2002 Executive Officer, General Manager, Business Development Office, the Company Dec 2003 Executive Officer, General Manager, First Technical Division, Tokyo Division, the Company Dec 2005 Executive Officer, General Manager, Third Division, Tokyo Branch, the Company Dec 2012 Production Management Office, General Headquarters, the Company Feb 2026 Full-time Corporate Auditor, the Company (current)

Apr 1984 Completed Legal Training and Research Institute Apr 1984 Assistant Judge, Tokyo District Court Apr 1990 Assigned to Criminal Affairs Bureau, Supreme Court General Secretariat Apr 1994 Judge, Kanazawa District Court Apr 1997 Judge, Fukuoka High Court Apr 2001 Retired as Judge Mar 2003 Registered as Attorney-at-Law May 2003 Joined Kaiho Kohei Law Office May 2006 Joined Nagatacho Shinsogo Law Office Apr 2008 Professor, Graduate School of Law, Himeji Dokkyo University Dec 2011 Joined Yotsuya Town Law Office (current) Feb 2019 Corporate Auditor, the Company (current)

Mar 2000 Representative Director, Freesia Trading Co., Ltd. (current) Jun 2007 President and Representative Director, Freesia Macros Co., Ltd. (current) Jul 2008 Director, Picoi Co., Ltd. (current) Feb 2010 Representative Director, Freesia Auto Giken Co., Ltd. (current) Feb 2014 General Manager, Daito Me Holdings Co., Ltd. (current) Sep 2017 Corporate Auditor, Sorekia Co., Ltd. (current) Feb 2019 Corporate Auditor, the Company (current) Feb 2021 Director, Rapinu Co., Ltd. (current) Jun 2022 Corporate Auditor, Giken Kogyo Co., Ltd. (current)