Apr 1982 Joined Ryowa Shoko Co., Ltd. (now Melco Mobility Solutions Co., Ltd.) May 1985 Joined Sakai Denki Seisakusho Co., Ltd. (now the Company) Feb 1994 Senior Managing Director, same company Apr 2003 Representative Director, President, same company Oct 2006 Representative Director, SDV Holdings Co., Ltd. (now the Company) Oct 2006 Representative Director, President, Mobile Biz Co., Ltd. (former subsidiary) Feb 2011 Director, SDV Co., Ltd. (now Kimi Seisakusho Co., Ltd.) Jul 2012 Representative Director, President, the Company Apr 2016 Representative Director, President, in charge of Management Planning, the Company Apr 2017 Founded Commons & Sense Co., Ltd.; Representative Director (current) Mar 2019 Representative Director, President, North Detail Co., Ltd. (current) Sep 2020 Director and Representative Executive Officer, President, the Company (current) Sep 2020 Chair of Nomination Committee and Compensation Committee, the Company (current) Apr 2021 Director, One Bright KOBE Co., Ltd. Jul 2022 Representative Director, One Bright KOBE Co., Ltd. (current) Sep 2023 Director, Stokes Co., Ltd. Dec 2023 Representative Director, President, Stokes Co., Ltd. (current) Mar 2024 Outside Director, Hutzpah Co., Ltd. (current)

Apr 2002 Joined Acom Co., Ltd. Dec 2008 Joined Deloitte Touche Tohmatsu (now Deloitte Touche Tohmatsu LLC) Jan 2013 Registered as Certified Public Accountant Jun 2015 Joined Deloitte Tohmatsu Venture Support Co., Ltd. Sep 2016 Audit & Supervisory Board Member, Next Stage Inc. Nov 2016 Registered as Certified Tax Accountant Nov 2016 Founded Hojo Certified Public Accountant and Tax Accountant Office Dec 2016 Audit & Supervisory Board Member, Sakanotochu Co., Ltd. Dec 2016 Audit & Supervisory Board Member, HACARUS Inc. (current) Jan 2017 Founded BLAST-Hub Inc.; Representative Director (current) Jun 2018 Director, Future Venture Capital Co., Ltd. (now Miraidoor Inc.) Jun 2018 Audit and Supervisory Committee Member, Future Venture Capital Co., Ltd. (now Miraidoor Inc.) Oct 2022 Audit & Supervisory Board Member, Hot Navi Co., Ltd. (current) Apr 2023 Audit & Supervisory Board Member, Hack Ventures Co., Ltd. Sep 2024 Director, the Company (current) Sep 2024 Chair of Audit Committee, the Company (current) Nov 2025 Outside Director (Audit and Supervisory Committee Member), Prodilight Co., Ltd. (current) Jun 2026 Audit & Supervisory Board Member, Joho Gijutsusha Co., Ltd. (current)

Apr 2002 Joined Future Venture Capital Co., Ltd. (now Miraidoor Inc.) Jan 2016 Representative Director, Future Venture Capital Co., Ltd. (now Miraidoor Inc.) Jun 2022 Outside Director, Digia Holdings Co., Ltd. (current) Jul 2022 Representative Director, ABAKAM Co., Ltd. (current) Aug 2022 Director, Kobe University Capital Co., Ltd. Sep 2022 Director, the Company (current) Sep 2022 Member of Nomination Committee and Compensation Committee, the Company (current) Feb 2023 Outside Director (Audit and Supervisory Committee Member), Phil Company Inc. (current) Mar 2023 Director, Kips Co., Ltd. Jun 2023 Outside Director, Cocoperi Inc. (current) Sep 2024 Representative Director, Independents Club NPO (current) Nov 2024 Representative Director, Team Local Capital Co., Ltd. Nov 2024 Representative Director, Creww Capital Co., Ltd. (current) Dec 2025 Outside Director, Relic Inc. (current) Mar 2026 Outside Director (Audit and Supervisory Committee Member), Kayac Inc. (current)

Dec 2008 Registered with Osaka Bar Association; joined Chuo Sogo Law Office (current) Jun 2018 Registered as Attorney in New York State Apr 2021 Part-time Lecturer, Kyoto University Law School Jun 2022 Outside Director (Audit and Supervisory Committee Member), SPK Corporation (current) Sep 2022 Director, the Company (current) Sep 2022 Member of Nomination Committee and Compensation Committee, the Company (current) Apr 2025 Specially Appointed Professor, Kyoto University Law School (current) Jun 2026 Outside Audit & Supervisory Board Member, Osaka Soda Co., Ltd. (current)

Dec 2008 Registered with Osaka Bar Association; joined Nishimura Law & Accounting Office Oct 2016 Joined Hirano Takeshi Law Office Dec 2020 Joined Kitahama Chuo Law Office (current) Sep 2022 Director, the Company (current) Sep 2022 Member of Nomination Committee and Compensation Committee, the Company (current) May 2023 Outside Audit & Supervisory Board Member, Konan Co., Ltd. Sep 2023 Member of Audit Committee, the Company (current) Apr 2024 Auditor, CLACK (Certified NPO) (current) Feb 2025 Auditor, Yodonomizu Gakuin Educational Corporation (current) May 2026 Outside Director, Konan Co., Ltd. (current)