Dec 1996 Founded Sakura Internet Inc. Apr 1998 Established Infrest Inc.; Representative Director Aug 1999 Established the Company; Representative Director, President Dec 2000 Representative Director, Executive Vice President of the Company Jun 2004 Director, Chief Operating Officer of the Company Nov 2007 Representative Director, President and CEO of the Company Jun 2008 Representative Director, President of the Company (current) Aug 2009 Established Kunihiro Tanaka Office Inc.; Representative Director, President (current) Apr 2015 Representative Director and CEO, Joe's Cloud Computing Inc. Jul 2015 CEO of the Company (current) Oct 2016 Outside Director, I-Mobile Co., Ltd. Apr 2018 Director, Joe's Cloud Computing Inc. Jun 2019 Outside Director, i-plug Inc. (current) Aug 2019 Outside Director, BBSakura Networks Co., Ltd. (current) Dec 2019 Outside Director, ABEJA, Inc. (current) Apr 2021 Outside Director, Toranoana Lab Co., Ltd. Jun 2021 Chairman, Japan Data Center Council (NPO) (current) Jul 2021 Senior Vice Chairman and Representative Director, Software Association (general incorporated association) Oct 2021 Outside Director, Yumenosora Holdings Co., Ltd. Dec 2021 Representative Director, Tellus Inc. Jun 2022 Standing Director, Kansai Keizai Doyukai (current); Chairman, Software Association (current); Director, Tellus Inc. (current) Oct 2022 Outside Director, OpenStream Holdings Inc. Feb 2025 Representative Director, Okinawa Innovation Base General Incorporated Association (current)

Apr 1995 Dai-Ichi Kangyo Bank, Ltd. (now Mizuho Bank, Ltd.) Dec 1997 Kadoi Tax Accounting Office Aug 2002 Yamamoto Mamoru Certified Tax Accountant Office Apr 2004 Director, PPM Business Support Co., Ltd. Apr 2005 Joined the Company Sep 2005 Head of Finance Department, Simdesk Technologies Inc. Nov 2006 Representative Director, Simdesk Technologies Inc. Apr 2008 Rejoined the Company; Deputy General Manager, Planning Department Jun 2008 Director of the Company (current) Oct 2009 General Manager, Accounting and Finance Department of the Company Jul 2015 CFO of the Company (current); Deputy General Manager, Administration Division; General Manager, General Affairs Department Jan 2017 General Manager, Administration Division; General Manager, General Affairs Department; General Manager, Human Resources Department May 2018 Audit & Supervisory Board Member, Planas Solutions Inc. (current) Nov 2019 Director, ITM Co., Ltd. Jul 2020 Deputy General Manager, ES Division; General Manager, ES Department Jul 2021 General Manager, ES Division

Apr 2004 GMO Hosting & Technologies Inc. (now GMO GlobalSign Holdings K.K.) Mar 2010 Pixiv Inc. Jan 2013 Executive Officer, Pixiv Inc. Sep 2014 Director and COO, Pixiv Inc. Oct 2014 Representative Director and Executive Vice President, Animate Lab Inc. Jan 2016 Representative Director, President and CEO, Animate Lab Inc. Feb 2017 Executive Officer, Mercari, Inc. Oct 2018 Executive Officer and CEO, Mercari Japan, Mercari, Inc. Sep 2019 Director and CEO, Mercari Japan, Mercari, Inc. Sep 2020 Senior Executive Officer and CEO, Mercari Japan, Mercari, Inc. Jan 2022 Senior Executive Officer and SVP Global Expansion, Mercari, Inc. Sep 2023 Executive Officer and SVP of Global Expansion, Mercari, Inc. Oct 2023 Advisor, Kaikai Kiki Co., Ltd. (current) Jan 2024 Established Laydim Inc.; Representative Director (current) Oct 2025 Director, MyAnimeList Inc. (current) Feb 2026 Executive Officer of the Company Apr 2026 Senior Executive Officer of the Company Jun 2026 Director of the Company (current)

Apr 1995 Asahi & Co. (now Azsa LLC) Apr 1998 Registered as Certified Public Accountant Oct 2000 Arthur Andersen, Portland Office Oct 2002 Asahi & Co. (now Azsa LLC), Manager Apr 2005 Established Procube Japan Inc.; Representative Director, President (current) Jul 2007 Certified Internal Auditor (CIA) May 2010 Registered as Certified Tax Accountant Jan 2014 Audit & Supervisory Board Member, Lyudia Inc. (now Ingenico Japan Inc.) Jun 2015 Outside Director of the Company (current) Jul 2017 Audit & Supervisory Board Member, Tajima Co., Ltd. (current) Jun 2018 Audit & Supervisory Board Member, Collabos Inc. (current)

Apr 1998 Registered as Attorney-at-Law; Mitsui Yasuda Law Office Dec 2004 Mitsui Law Office Jul 2007 Director, Common Sphere (NPO) (current) Sep 2009 Established CyberBond Inc.; Representative Director (current) Jul 2011 Opened Inoki Law Office (current) Feb 2013 Outside Audit & Supervisory Board Member, Mercari, Inc. Oct 2014 Outside Audit & Supervisory Board Member, Zero Start Inc. Jun 2016 Outside Director of the Company (current) Oct 2016 Outside Audit & Supervisory Board Member, Aperuza Inc. Nov 2020 Outside Audit & Supervisory Board Member, ZEALS Inc. (current) Feb 2023 Outside Audit & Supervisory Board Member, FABRIC TOKYO Inc. (current) Sep 2024 Outside Audit & Supervisory Board Member, Sigenia Inc. (now ZETA Inc.) (current)

Apr 1978 Japan Shortwave Broadcasting Co., Ltd. (now Nikkei Radio Broadcasting Co., Ltd.) Sep 1994 Tokyo Metropolitan Television Broadcasting Corporation Sep 1997 Japan Satellite Broadcasting Inc. (now WOWOW Inc.) Jul 2009 General Manager, Customer Relations, WOWOW Inc. Mar 2012 General Manager, Marketing, WOWOW Inc. Jul 2014 Director, WOWOW Communications Inc. Feb 2016 Marketing Consultant (current) May 2016 Meikou Network Japan Inc. Nov 2018 Director, Meikou Network Japan Inc. Jun 2020 Outside Director of the Company (current) Jun 2021 Outside Director, Itoham Yonekyu Holdings Inc. Nov 2021 Representative Director, Customer Success Promotion Association (general incorporated association) (current)

Apr 1982 Kawasaki Steel Corporation (now JFE Steel Corporation) Apr 1990 Arthur Andersen & Co. (now Azsa LLC) Jul 1992 Seeded to Suuri Giken Co., Ltd., Unix Business Association May 1999 Seiyu Audit Corporation Jan 2000 Registered as U.S. Certified Public Accountant (South Dakota) Jun 2005 Auditor, Open Source Software Association (NPO) Jul 2009 Opened Yamaguchi Accounting Office; Representative (current) Dec 2016 Outside Audit & Supervisory Board Member, LSI Techno Co., Ltd. (now Lester Co., Ltd.) Jun 2021 Standing Outside Audit & Supervisory Board Member of the Company (current) Aug 2024 Registered as U.S. Certified Public Accountant (Washington) Apr 2026 Member, Management Council, Nagasaki University (national university corporation) (current)

Dec 1994 Representative Director, President, Wakou Industry Co., Ltd. (now Osiris Co., Ltd.) Feb 2001 Audit & Supervisory Board Member, SRS Sakura Internet Inc. (now the Company) Sep 2006 Outside Audit & Supervisory Board Member of the Company (current) Oct 2008 Director, Osiris Co., Ltd. Apr 2014 Director, Meiken Kogyo Co., Ltd. Sep 2014 Representative Director, Meiken Kogyo Co., Ltd. (current) Jul 2025 Representative Director, Osiris Co., Ltd. (current)

Sep 1991 Inoue Saito Eiwa Audit Corporation (now Azsa LLC) Apr 1996 Registered as Certified Public Accountant May 1996 Arthur Andersen, Singapore Office Nov 1998 Matsushita Kotobuki Electronics Industries, Ltd. (now PHC Holdings Corporation) Nov 2000 Tohmatsu & Co. (now Deloitte Touche Tohmatsu LLC) Jul 2010 Opened Hasegawa Certified Public Accountant Office; Representative (current) Dec 2010 Registered as Certified Tax Accountant Jun 2016 Outside Audit & Supervisory Board Member of the Company (current) Mar 2018 Established Minori Partners Inc.; Representative Director Jan 2026 Established Shiro to Sorairo Inc.; Representative Director (current)