Apr 2009 Joined Cosmos Initia Co., Ltd. Jul 2023 Joined the Company Aug 2023 Representative Director, Tsukuruba Box Co., Ltd. (current) Feb 2024 Executive Officer of the Company Aug 2024 Senior Executive Officer of the Company Feb 2025 Senior Executive Officer, CRO of the Company May 2025 Director, Senior Executive Officer, CRO of the Company Sep 2025 Representative Director, CEO of the Company (current)

Dec 2011 Joined Corporate Directions, Inc. Sep 2012 Joined Deloitte Tohmatsu Consulting LLC Nov 2016 Joined the Company May 2018 Director, COO, and General Manager of Management Planning Office of the Company Feb 2020 Director, COO of the Company Jul 2023 Director, CSO of the Company (current)

Apr 2001 Joined Fuji Soft ABC Inc. (now Fuji Soft Inc.) Mar 2007 Became independent as a freelancer Jan 2013 Director, Bizreach, Inc. Sep 2019 Director, Japan CTO Association (General Incorporated Association) Feb 2020 Director and CTO, Visional, Inc. Oct 2021 Outside Director of the Company Mar 2025 Director, Medley, Inc. (current) Mar 2025 Outside Director, Toggle Holdings, Inc. (current) May 2025 Director of the Company (current)

Apr 2005 Joined Corporate Directions, Inc. Apr 2009 Joined DeNA Co., Ltd. Jun 2011 Director, DeNA Co., Ltd. Jun 2015 Executive Officer, DeNA Co., Ltd. Jul 2017 Representative Director, Signifiant Inc. (current) Oct 2020 Outside Director, Raksul Inc. (current) Oct 2023 Outside Director (Audit and Supervisory Committee Member) of the Company Jul 2024 Outside Director (Audit and Supervisory Committee Member), gumi Inc. (current) Oct 2025 Outside Director of the Company (current)

Nov 2012 Founded Gunosy Inc. and became its Representative Director Nov 2013 Representative Director, Chief Executive, Gunosy Inc. Dec 2018 Representative Director, CEO, LayerX Inc. (current) Oct 2019 Outside Director of the Company (current) Oct 2023 Part-time Director, progmat Inc. (current)

Dec 2006 Joined EY ShinNihon LLC (formerly Shin Nihon LLC) Dec 2009 Registered as Certified Public Accountant Sep 2014 Opened Nishiura CPA Office (current) Jun 2016 Legal Advisor, S&N Partners Law Office (current) Jun 2023 Outside Auditor, NSD Co., Ltd. (current) Oct 2023 Outside Director (Audit and Supervisory Committee Member) of the Company (current) Nov 2023 Auditor, Tsukuruba Box Co., Ltd. (current)

Aug 1997 Joined KPMG Peat Marwick Co., Ltd. (now KPMG Tax Corporation) Apr 2000 Registered as Certified Tax Accountant Oct 2002 Representative Partner, Mentor Capital Tax Office (now Mentor Capital Tax Corporation) (current) Oct 2002 Representative Director, Mentor Capital FAS Inc. (now Mentor Capital Holdings Inc.) (current) Jun 2016 Outside Director, United Inc. (current) Feb 2020 Outside Director (Audit and Supervisory Committee Member), Visional, Inc. (current) Oct 2021 Outside Director (Audit and Supervisory Committee Member), i-mobile Co., Ltd. (current) Oct 2023 Outside Director (Audit and Supervisory Committee Member) of the Company (current)

Dec 2012 Registered as Attorney-at-Law Jan 2013 Joined Atsumi & Sakai Foreign Law Joint Enterprise May 2014 Seconded to Mitsubishi UFJ Morgan Stanley Securities Co., Ltd. Feb 2019 Seconded to Mitsubishi Jisho Investment Advisors, Inc. Aug 2022 Seconded to Smith, Gambrell & Russell, LLP Jan 2025 Senior Partner, Atsumi & Sakai Foreign Law Joint Enterprise (current) May 2025 Registered as Attorney in New York State Oct 2025 Outside Director (Audit and Supervisory Committee Member) of the Company (current)