Oct 2013: Joined QPS Research Institute Co., Ltd. (formerly Yugen Kaisha QPS Kenkyusho) Apr 2014: Representative Director, President & CEO, QPS Research Institute Co., Ltd. (current) Apr 2019: Secretary, Western Japan Branch, The Japan Society for Aeronautical and Space Sciences (current) Aug 2023: Secretary, Kyushu Aerospace Development Promotion Council (current) Dec 2025: Representative Director, President & CEO, the Company (current)

Apr 1990: Joined Nissho Iwai Corporation (now Sojitz Corporation) Apr 2000: Joined ITX Corporation Apr 2002: Joined JSAT Corporation (now SKY Perfect JSAT Corporation) Oct 2008: General Manager, Corporate Business Division No. 2, 1st Sales Division, Satellite Business Unit, JSAT Corporation Jan 2010: General Manager, Corporate Business Division, Satellite Business Unit, JSAT Corporation Feb 2010: Director, Satellite Network Co., Ltd. Apr 2010: General Manager, Corporate Business Division, Satellite Business Unit, SKY Perfect JSAT Corporation Apr 2011: General Manager, Corporate Business Division, Space & Satellite Business Unit, SKY Perfect JSAT Corporation Jul 2013: General Manager, Government Business Division, Space & Satellite Business Unit, SKY Perfect JSAT Corporation Jun 2015: President, Satellite Network Co., Ltd. Jun 2015: General Manager, Government Business Division, SKY Perfect JSAT Corporation Jul 2016: Director, En-Route Co., Ltd. Jun 2019: Executive Officer, General Manager, Space & Satellite Business Unit, SKY Perfect JSAT Corporation; President, D.S.N. Co., Ltd. Sep 2021: Officer, Media Technology Division, Media Business Unit, SKY Perfect JSAT Corporation; Acting General Manager Nov 2021: Officer, SKY Perfect JSAT Corporation Nov 2021: Director, QPS Research Institute Co., Ltd. (current) Dec 2025: Director, the Company (current)

Apr 1989: Joined Mitsui & Co., Ltd., assigned to Aerospace Division Aug 1997: Seconded to Tombo Aviation, Inc. (U.S.) Aug 2005: Seconded to Mitsui Rail Capital Europe B.V. (Netherlands) as CFO Jul 2010: Seconded to Mitsui Bussan Denryoku Jigyo Co., Ltd. as CFO Jun 2020: Seconded to Spaceflight, Inc. (U.S.) as CFO Apr 2025: Joined QPS Research Institute Co., Ltd. as General Manager, Office of the President Jun 2025: Executive Officer, General Manager, Corporate Management Division, and CFO, QPS Research Institute Co., Ltd. Aug 2025: Director, CFO, QPS Research Institute Co., Ltd. (current) Dec 2025: Director, CFO, the Company (current)

Apr 2003: Joined Sony Ericsson Mobile Communications Co., Ltd. (now Sony Corporation) Jun 2013: Joined Innovation Network Corporation of Japan (now INCJ, Ltd.); Managing Director, Venture Growth Investment Group Feb 2014: Outside Audit & Supervisory Board Member, Trigence Semiconductor Inc. Oct 2017: Outside Director, QPS Research Institute Co., Ltd. Dec 2017: Outside Director, ispace, inc. Jun 2018: Outside Director, UMITRON PTE. LTD. Mar 2019: Outside Director, Ridge-i Inc. (current) Mar 2024: President, Frontier Innovations Inc. (current) Dec 2025: Outside Director, the Company (current)

Apr 1986: Joined Itochu Corporation Aug 2005: Head, Overseas Power Office, Utility Solutions Department Apr 2007: Head, Business Promotion Office 1, Plant & Project Business Promotion Department Oct 2009: Head, North America Office, Plant & Project Division 1 Apr 2014: General Manager, Power Project Department Apr 2018: Acting General Manager, Plant, Ship & Aircraft Division Apr 2019: Chairman, Tyr Energy, Inc. Sep 2023: Assistant General Manager, Space Business Division, SKY Perfect JSAT Corporation Jan 2026: Director, TriSat Constellation Inc. (current) Apr 2026: Acting General Manager, Space Business Division, SKY Perfect JSAT Corporation (current)

Apr 1989: Joined The Fukuoka Bank, Ltd. Apr 2012: Branch Manager, Hiigawa Branch, The Fukuoka Bank, Ltd. Apr 2015: Chief Examiner, Internal Audit Department, Fukuoka Financial Group, Inc. Apr 2023: Senior Specialist, Internal Audit Department, Fukuoka Financial Group, Inc. Jul 2025: Advisor, QPS Research Institute Co., Ltd. Aug 2025: Director, Full-time Audit and Supervisory Committee Member, QPS Research Institute Co., Ltd. Dec 2025: Director, Full-time Audit and Supervisory Committee Member, the Company (current) Dec 2025: Audit & Supervisory Board Member, QPS Research Institute Co., Ltd. (current)

Apr 1997: Joined Fukuoka City Government Oct 2001: Joined Deloitte Touche Tohmatsu LLC Aug 2007: Joined Ernst & Young TAS Co., Ltd. Apr 2010: Joined Dogan Advisors Inc. (now Dogan Inc.) Dec 2013: Vice President, Dogan Advisors Inc. Dec 2018: Opened Kazunori Nakahara CPA Office (current) Jan 2019: Established TOC Advisory Co., Ltd.; Representative Director (current) May 2019: Member, Selection and Evaluation Committee for Fukuoka City Health Care Facility Designated Administrators (current) Jun 2020: Member, Selection and Evaluation Committee for Fukuoka City Health Promotion Support Center Designated Administrators (current) Aug 2021: Director, Audit and Supervisory Committee Member, QPS Research Institute Co., Ltd. Apr 2022: Outside Audit & Supervisory Board Member, Archibase Co., Ltd. Jul 2023: Member, Investment Committee, NCB Kyushu Revitalization No. 3 Investment Limited Partnership (current) Dec 2025: Director, Audit and Supervisory Committee Member, the Company (current)

Dec 2007: Joined Kitahama Law Office Apr 2012: Seconded to Mizuho Investors Securities Co., Ltd. (now Mizuho Securities Co., Ltd.) Apr 2015: Seconded to Mitsui & Co., Ltd. Jan 2017: Established Josui Law Office; Representative (current) Jun 2020: Outside Audit & Supervisory Board Member, Trial Holdings, Inc. (current) Nov 2020: Outside Director, SENTAN Pharma, Inc. Dec 2020: Outside Audit & Supervisory Board Member, Nippon Insure Co., Ltd. (current) May 2021: Outside Audit & Supervisory Board Member, CAM Inc. (current) Aug 2021: Director, Audit and Supervisory Committee Member, QPS Research Institute Co., Ltd. Dec 2025: Director, Audit and Supervisory Committee Member, the Company (current) Jun 2026: Outside Audit & Supervisory Board Member, Delta-Fly Pharma, Inc. (current)