Aug 1982 Joined Alico Japan (now MetLife Insurance K.K.) Jul 1985 Established Work Data Bank Co., Ltd. (now WDB Holdings Co., Ltd.), Representative Director (current) Apr 2010 Representative Director, Jigyo Shokei Partners Co., Ltd. (now WDB Jigyo Shokei Partners Co., Ltd.) Apr 2011 Director, I.C.O. Co., Ltd. (now WDB Coco Co., Ltd.) (current) Nov 2011 Representative Director, WDB Co., Ltd. (current) Dec 2012 Representative Director, WDB Kogaku Co., Ltd. (now WDB Co., Ltd.) Mar 2013 Director, Denjo Systems Co., Ltd. (now WDB Coco Co., Ltd.) Apr 2014 Director, Kaken Genex Co., Ltd. Nov 2014 Director, WDB Kogaku Co., Ltd. (now WDB Co., Ltd.) Jun 2015 Director, WDB Dokuho Co., Ltd. (current) Apr 2016 Director, WDB Chemical Laboratory Co., Ltd. Feb 2017 Representative Director, Nezot Co., Ltd. (current) Jun 2020 Representative Director, WDB Jigyo Shokei Partners Co., Ltd. (current) Nov 2023 Representative Director, Doco 1 Inc. (current)

Apr 1986 Joined Okuuchi Building Co., Ltd. Sep 1986 Joined the Company Nov 1995 Registered as Certified Social Insurance and Labor Consultant Oct 1996 Director, the Company Jul 2000 Senior Managing Director, the Company (current) Sep 2009 Completed Graduate School of Business Administration, Kobe University Apr 2010 Director, Jigyo Shokei Partners Co., Ltd. (now WDB Jigyo Shokei Partners Co., Ltd.) (current) Apr 2011 Representative Director, I.C.O. Co., Ltd. (now WDB Coco Co., Ltd.) Nov 2011 Senior Managing Director, WDB Co., Ltd. (current) Dec 2012 Director, WDB Kogaku Co., Ltd. (now WDB Co., Ltd.) Mar 2013 Representative Director, Denjo Systems Co., Ltd. (now WDB Coco Co., Ltd.) Apr 2014 Representative Director, WDB University Co., Ltd. Jun 2015 Representative Director, WDB Dokuho Co., Ltd. (current) Feb 2017 Director, Nezot Co., Ltd. (current) Mar 2017 Chairman, Oy Medfiles Ltd. (current) Jun 2017 Representative Director, Co-Bridge Co., Ltd. (current) Jun 2020 Director, WDB Clinical Research Co., Ltd. (now WDB Coco Co., Ltd.) Jun 2020 Director, WDB Chemical Laboratory Co., Ltd. Jun 2020 Director, Kaken Genex Co., Ltd.

Apr 1979 Joined Takenaka Corporation Mar 2005 General Manager, Osaka Head Office Sales Department, Takenaka Corporation Mar 2013 Executive Officer, Takenaka Corporation Mar 2016 Managing Executive Officer, Takenaka Corporation Mar 2019 Director and Senior Managing Executive Officer, Takenaka Corporation Mar 2023 Advisor, Takenaka Corporation Apr 2024 Advisor, the Company Jun 2024 Managing Director, the Company (current)

Apr 1996 Registered as Attorney-at-law May 2002 Partner, Miyake & Partners Nov 2005 Outside Audit & Supervisory Board Member, the Company Jun 2009 Outside Director, the Company (current) Jun 2018 Outside Director (Audit and Supervisory Committee Member), Fudo Tetra Corporation (current) May 2019 Managing Partner, Miyake & Partners (current)

Oct 2003 Registered as Attorney-at-law Jul 2005 Opened Kimura Law Office; Head of Kimura Law Office (current) Jun 2009 Outside Audit & Supervisory Board Member, the Company Jun 2012 Outside Director, the Company (current) Jun 2014 Outside Director, Fujipream Co., Ltd. (current) Jun 2017 Outside Audit & Supervisory Board Member, Banyo Securities Co., Ltd. (current)

Apr 1972 Joined Himeji Shinkin Bank Dec 2001 Registered as Certified Tax Accountant Jun 2006 Representative Director, Himeshin Real Estate Service Co., Ltd. Jan 2007 Joined the Company; General Manager, Audit Department, Management Planning Office Jun 2007 Full-time Audit & Supervisory Board Member, the Company Apr 2010 Audit & Supervisory Board Member, Jigyo Shokei Partners Co., Ltd. (now WDB Jigyo Shokei Partners Co., Ltd.) (current) Apr 2011 Audit & Supervisory Board Member, I.C.O. Co., Ltd. (now WDB Coco Co., Ltd.) Jun 2011 Audit & Supervisory Board Member, WDB Dokuho Co., Ltd. (current) Nov 2011 Audit & Supervisory Board Member, WDB Co., Ltd. (current) Apr 2012 Audit & Supervisory Board Member, WDB University Co., Ltd. Dec 2012 Audit & Supervisory Board Member, WDB Kogaku Co., Ltd. (now WDB Co., Ltd.) Mar 2013 Audit & Supervisory Board Member, Denjo Systems Co., Ltd. (now WDB Coco Co., Ltd.) Apr 2014 Audit & Supervisory Board Member, Kaken Genex Co., Ltd. Apr 2016 Audit & Supervisory Board Member, WDB Chemical Laboratory Co., Ltd. Feb 2017 Audit & Supervisory Board Member, Nezot Co., Ltd. (current) Jun 2017 Audit & Supervisory Board Member, Co-Bridge Co., Ltd. (current) Jun 2018 Director (Full-time Audit and Supervisory Committee Member), the Company (current) Mar 2025 Audit & Supervisory Board Member, Doco 1 Inc. (current)

Sep 1984 Certified Public Accountant; opened Satoshi Hamada CPA Office; Head (current) May 1994 Outside Audit & Supervisory Board Member, Nishimatsuya Chain Co., Ltd. Jun 2005 Outside Audit & Supervisory Board Member, the Company Sep 2014 Founded Hamada Tax Corporation; Managing Partner (current) Jun 2015 Outside Audit & Supervisory Board Member, Glory Ltd. May 2016 Outside Director, Nishimatsuya Chain Co., Ltd. Jun 2018 Outside Director (Audit and Supervisory Committee Member), the Company (current) Jun 2020 Outside Director (Audit and Supervisory Committee Member), Glory Ltd. May 2021 Outside Director (Audit and Supervisory Committee Member), Nishimatsuya Chain Co., Ltd. (current)

Sep 2005 Director-General, Public Security Department, Supreme Public Prosecutors Office Jan 2009 Superintending Prosecutor, Fukuoka High Public Prosecutors Office Apr 2010 Registered as Attorney-at-law, Dai-Ichi Tokyo Bar Association Jun 2010 Outside Director, Chairman of Audit Committee and Member of Nomination Committee, Japan Post Bank Co., Ltd. Jun 2011 Outside Audit & Supervisory Board Member, the Company Jun 2015 Outside Audit & Supervisory Board Member, Brother Industries, Ltd. Jun 2016 Outside Director, Fukuyama Transporting Co., Ltd. Jun 2018 Outside Director (Audit and Supervisory Committee Member), the Company (current) Dec 2019 Outside Audit & Supervisory Board Member, Hasegawa Co., Ltd. (current)

Sep 1989 Joined Chuo Shinko Audit Corporation Apr 1997 Registered as Certified Public Accountant Jul 2005 Partner, Chuo Aoyama Audit Corporation Aug 2007 Joined Deloitte Touche Tohmatsu (now Deloitte Touche Tohmatsu LLC); Partner Jan 2024 Opened Mehoso CPA Office; Head (current) Mar 2024 Outside Director, Daiki Axis Co., Ltd. (current) Apr 2024 Advisor, the Company Jun 2024 Outside Audit & Supervisory Board Member, Zephyr Co., Ltd. (current) Jun 2025 Outside Director (Audit and Supervisory Committee Member), the Company (current)