Oct 1995 Joined Telemarker Co., Ltd. Apr 1999 Joined Season Global Works Co., Ltd. Oct 2003 Appointed Representative Director, President of the Company May 2013 Appointed Audit & Supervisory Board Member of PT. ULURU BALI Jan 2023 Appointed Director of Brain Feed Co., Ltd. Jan 2024 Appointed Outside Director of Lightblue Inc. Oct 2025 Appointed Representative Director, President and CEO of the Company (current)

May 2005 Joined the Company Nov 2005 Appointed Corporate Auditor of the Company Oct 2010 Appointed Director, Executive Vice President of the Company Oct 2014 Appointed Representative Director, President of Uruuru BPO Co., Ltd. (current) Apr 2015 Appointed Director, Executive Vice President and General Manager of Administration Division of the Company Feb 2023 Appointed Director of Japan Data Engineering Association (current) Oct 2025 Appointed Director, Executive Vice President and COO of the Company (current)

Apr 2002 Joined Daiwa SMBC Securities Co., Ltd. (now Daiwa Securities Co., Ltd.) Feb 2006 Established Value Field Co., Ltd.; appointed Representative Director (current) Mar 2007 Opened Takahiro Ichikawa Certified Tax Accountant Office; appointed Representative Dec 2007 Opened Takahiro Ichikawa Administrative Scrivener Office; appointed Representative Feb 2008 Established Fun Value Co., Ltd.; appointed Representative Director Oct 2008 Established Ichikawa Accounting Tax Corporation; appointed Representative Partner May 2013 Appointed Outside Corporate Auditor of O-My Glass Co., Ltd. Apr 2015 Appointed Outside Corporate Auditor of Stardust Communications Co., Ltd. (current) May 2015 Appointed Outside Corporate Auditor of BEARTAIL Inc. (now TOKIUM Inc.) (current) Jun 2016 Appointed Director of the Company (current) Jun 2017 Appointed Outside Corporate Auditor of Lifestyle Design Co., Ltd. (now FABRIC TOKYO Inc.) Mar 2023 Appointed Outside Corporate Auditor of Asuene Inc. (current) Nov 2023 Established Takahiro Ichikawa Certified Tax Accountant Office; appointed Representative (current)

Apr 2001 Joined Yahoo Japan Corporation (now LY Corporation) Dec 2007 Joined mixi, Inc. (now MIXI, Inc.) Jul 2012 Appointed Executive Officer, Chief Technology Officer and General Manager of Systems Division of MIXI, Inc. Jun 2013 Appointed Director, Chief Technology Officer of MIXI, Inc. Apr 2015 Appointed Chief Technology Officer of Viibar Inc. Jun 2016 Established Lector Inc.; appointed Representative Director Jun 2018 Appointed Director of the Company Sep 2019 Established Japan CTO Association; appointed Representative Director Aug 2022 Appointed Executive Officer and CTO of Coincheck, Inc. Apr 2023 Appointed Executive Officer, CTO and CSO of Coincheck, Inc. Sep 2023 Appointed Executive Officer, CTO and General Manager of Development and Human Resources Division of Coincheck, Inc. Jun 2024 Appointed Managing Executive Officer, CTO and General Manager of Development and Human Resources Division of Coincheck, Inc. Jul 2025 Appointed Director of Japan CTO Association (current) Oct 2025 Appointed Managing Executive Officer, CTO and General Manager of Development and AI Division of Coincheck, Inc. Jun 2026 Appointed Managing Executive Officer, CRO of Coincheck, Inc. (current)

Dec 1986 Joined Arbeit Times Co., Ltd. Oct 1995 Appointed Director of the same company Apr 1999 Appointed Representative Director, President of the same company May 2008 Appointed Director of QLife Co., Ltd. Jun 2009 Appointed Corporate Auditor of the same company May 2010 Appointed Director of the Company May 2011 Appointed Director of Dip Corporation Jun 2014 Appointed Director of APCs Co., Ltd. Dec 2014 Appointed Corporate Auditor of the Company (current) Oct 2017 Appointed Outside Director of Alto Inc. Nov 2018 Appointed Director, Audit and Supervisory Committee Member of AI Medical Service Inc. (current) Feb 2021 Appointed Outside Corporate Auditor of GRAS Group, Inc. (current)

Oct 1993 Joined Ota Showa & Co. (now EY ShinNihon LLC) Apr 2002 Joined Partners International Accounting Office Oct 2006 Joined City-Yuwa Partners (Attorney-at-Law and Certified Public Accountant) Dec 2014 Appointed Corporate Auditor of the Company (current) Jun 2015 Appointed Outside Director of Sophia Holdings Co., Ltd. Jan 2018 Joined Atsumi & Sakai Foreign Law Joint Enterprise (Attorney-at-Law and Certified Public Accountant) Nov 2018 Appointed Outside Corporate Auditor of Triple Eyes Co., Ltd. Jul 2021 Appointed Corporate Auditor of Linc'well Inc. (current) May 2022 Opened Act Partners Law Office; appointed Representative Sep 2022 Appointed Outside Corporate Auditor of Pair Capital Co., Ltd. Nov 2022 Appointed Co-Representative Partner of Act Advisors Law Office (now Koyama & Suzuki Law Office) (current) Apr 2023 Appointed Specially Appointed Professor of Teikyo University (current) Sep 2023 Appointed Outside Corporate Auditor of Dicim Co., Ltd. Nov 2023 Appointed Outside Director of Triple Eyes Co., Ltd. (current)

Dec 2009 Registered as Attorney-at-Law Dec 2009 Joined Hayashi Sonobe Law Office Aug 2015 Joined Toshima Sogo Law Office (current) Jun 2024 Appointed Outside Corporate Auditor of Naka-Nihon Highway Engineering Tokyo Co., Ltd. (current) Jun 2024 Appointed Corporate Auditor of the Company (current)