Apr 1973 Joined Marudai Food Co., Ltd. Apr 1981 Established Kojin Co., Ltd. (current company); assumed office as Representative Director, President Apr 2003 Established Pilm Co., Ltd.; assumed office as Representative Director Nov 2009 Assumed office as Chairman, Kojin Nichii Biotechnology (Beijing) Co., Ltd. Jan 2014 Assumed office as Chairman, Kojin Bio Holdings (Hong Kong) Ltd. (current) May 2014 Assumed office as Chairman, Gaojin Biotechnology (Shanghai) Co., Ltd. (current) Mar 2022 Assumed office as Director, TAKA Corporation Co., Ltd. (current) Jun 2026 Assumed office as Representative Director, Chairman, Kojin Co., Ltd. (current)

Apr 2001 Joined Daiwa Securities Co., Ltd. Oct 2006 Joined Shinko Securities Co., Ltd. (current Mizuho Securities Co., Ltd.) Apr 2009 Joined Kojin Co., Ltd. May 2010 Assumed office as Director, Kojin Co., Ltd. Jul 2014 Assumed office as Director, Kojin Bio Holdings (Hong Kong) Ltd. (current) Oct 2014 Assumed office as Representative Director, President, Enbio Co., Ltd. (current) Jan 2016 Assumed office as Managing Director, Kojin Co., Ltd. Jun 2016 Assumed office as Director, Gaojin Biotechnology (Shanghai) Co., Ltd. (current) Jun 2018 Assumed office as Director, Ajinomoto Kojin Biotech Co., Ltd. Jun 2019 Assumed office as Director, Pilm Co., Ltd. Mar 2022 Assumed office as Director, TAKA Corporation Co., Ltd. (current) Jun 2024 Assumed office as Senior Managing Director, Kojin Co., Ltd. Jun 2026 Assumed office as Representative Director, President, Kojin Co., Ltd. (current)

Jul 2006 Postdoctoral Researcher, Venture Business Laboratory, Nara Institute of Science and Technology May 2007 Postdoctoral Researcher, Biomedical Research Institute, National Institute of Advanced Industrial Science and Technology Apr 2008 Joined Oncotherapy Science, Inc. Mar 2009 Joined Asylum Technology Co., Ltd. (current Oxford Instruments K.K.) Dec 2009 Joined Kojin Co., Ltd. Jan 2015 General Manager, Biology Research Department, Kojin Co., Ltd. Apr 2020 Part-time Lecturer, Kanazawa Medical University (current) Apr 2020 Executive Officer, General Manager of Research and Cell Processing, Kojin Co., Ltd. May 2021 Assumed office as Director, Gaojin Biotechnology (Shanghai) Co., Ltd. (current) Jun 2024 Assumed office as Director, Ajinomoto Kojin Biotech Co., Ltd. (current) Jun 2024 Assumed office as Director, Kojin Co., Ltd. (current)

Jun 1983 Registered as Certified Tax Accountant Jun 1983 Head, Hara Tax Accountant Office May 2002 Board Member, Wakatake Chuo Gakuen Wakatake Kindergarten (current) Jun 2005 Outside Audit and Supervisory Board Member, ULVAC, Inc. Feb 2008 Accounting Advisor, Kyowa Kogyo Co., Ltd. Aug 2019 Outside Audit and Supervisory Board Member, Takamura Organic Technology Co., Ltd. (current) Mar 2020 Outside Audit and Supervisory Board Member, Rentacom Life Co., Ltd. Jun 2021 Assumed office as Outside Director, Kojin Co., Ltd. (current) Oct 2022 Co-Representative Partner, Kyobashi Sogo Tax Corporation (current) Feb 2023 Outside Audit and Supervisory Board Member, Kyowa Kogyo Co., Ltd. (current) Feb 2023 Advisor, Kyobashi Branch, Tokyo Tax Accountants' Association (current)

Apr 1979 Joined TOSO Co., Ltd. Apr 2007 General Manager, Accounting Department, Administration Division, TOSO Co., Ltd. Jun 2009 Assumed office as Director, General Manager, Accounting Department, Administration Division, TOSO Co., Ltd. Apr 2011 Assumed office as Director, General Manager, Administration Division, TOSO Co., Ltd. Jun 2015 Assumed office as Audit and Supervisory Board Member, TOSO Co., Ltd. Jun 2016 Assumed office as Director, Audit and Supervisory Committee Member, TOSO Co., Ltd. Jun 2020 Assumed office as Outside Audit and Supervisory Board Member, Kojin Co., Ltd. Dec 2023 Assumed office as Supervisor, Gaojin Biotechnology (Shanghai) Co., Ltd. (current) Jun 2026 Assumed office as Outside Director, Audit and Supervisory Committee Member, Kojin Co., Ltd. (current)

Apr 1992 Joined Ogawa Shinkin Bank Jan 2002 Joined Saitama Shinkin Bank Sep 2002 Joined Shinkin Securities Co., Ltd. Apr 2007 Established Hirosawa Social Insurance and Labor Consultant Office; assumed office as Head (current) May 2011 Established Total Ranger Co., Ltd.; assumed office as Representative Director (current) Oct 2013 Established With Co., Ltd.; assumed office as Director (current) Jun 2015 Assumed office as Outside Audit and Supervisory Board Member, Kojin Co., Ltd. Jun 2026 Assumed office as Outside Director, Audit and Supervisory Committee Member, Kojin Co., Ltd. (current)

Aug 2002 Joined Tsuji Hongo Tax Corporation Sep 2003 Joined Kubo Tax and Accounting Office Dec 2003 Registered as Certified Tax Accountant Aug 2005 Assumed office as Head, Umetsu Accounting Office (current) Jun 2015 Assumed office as Outside Audit and Supervisory Board Member, Kojin Co., Ltd. Jun 2026 Assumed office as Outside Director, Audit and Supervisory Committee Member, Kojin Co., Ltd. (current)