Apr 1997 Joined Gakusei Engo Kai Co., Ltd. Sep 2001 Joined ISE Co., Ltd. Oct 2002 Joined Nepro Japan Co., Ltd. Apr 2004 Joined Nepro IT Co., Ltd. May 2006 Leader, Media Group, Sales & Marketing Division, the Company Apr 2007 Manager, Mobile Business Division, the Company Nov 2008 General Manager, Mobile Business Division, the Company Dec 2012 Executive Officer; General Manager, Mobile Business Division; General Manager, Corporate Strategy Office, the Company Jun 2013 Senior Managing Director; General Manager, Mobile Business Division; General Manager, Corporate Strategy Office, the Company Jun 2019 Representative Director, President, the Company Nov 2020 Representative Director, President and CEO, the Company (current) Feb 2022 Representative Director, I.B. Progress Co., Ltd. (current) Aug 2022 Director, HashLink Co., Ltd. Sep 2022 Director, CommSeed Korea Co., Ltd. (current) Oct 2024 Director, HashLink Co., Ltd. (current) Dec 2024 Representative Director, Spiridge Co., Ltd. (current) Feb 2025 Representative Director, CommSeed Korea Co., Ltd. (current) May 2026 Representative Director, HashLink Co., Ltd. (current)

May 1985 Joined Nihon Telenet Co., Ltd. Jun 1994 Director, MicroWorld Co., Ltd. (now the Company) Jun 1995 Managing Director, Nihon Telenet Co., Ltd. May 2003 Senior Managing Director; General Manager, Content Services Department, the Company Apr 2007 Senior Managing Director, CTO; General Manager, Technical Center, the Company Nov 2008 Senior Managing Director, CTO, the Company Nov 2012 Representative Director, President and CTO, the Company Jun 2016 Representative Director, President and CTO; General Manager, Development Division, the Company Jun 2019 Representative Director, Vice President and CTO, the Company Jun 2020 Senior Managing Director, CTO, the Company (current) Feb 2022 Auditor, I.B. Progress Co., Ltd.

Feb 2000 Joined D-Gate Co., Ltd.; Director in charge of Finance Aug 2008 Joined Cykan Holdings Co., Ltd.; Managing Director; General Manager, Overseas Strategy Business Division Jun 2009 Director, the Company (current) Mar 2014 Director, Takeo Ureshino International Country Club Co., Ltd. (current) May 2014 Director, Saikan Co., Ltd. Nov 2017 Senior Managing Director; General Manager, Overseas Strategy Business Division, Cykan Holdings Co., Ltd. Sep 2020 Representative Director, Cykan Holdings Co., Ltd. (current) Dec 2020 Representative Director, CNK Construction Co., Ltd. Feb 2022 Director, Green Paradise Co., Ltd. (current)

Nov 2005 Director, Cykan Holdings Co., Ltd. (current) Apr 2011 Joined JoongAng Ilbo (Korea) Oct 2016 Executive Secretary and Interpreter, Director, National Museum of Modern and Contemporary Art, Korea Mar 2017 Representative Director, CNN Investment Co., Ltd. Dec 2017 Director, CNK Construction Co., Ltd. (current) Mar 2021 Director, Takeo Ureshino International Country Club Co., Ltd. (current) Jun 2021 Director, the Company (current)

Nov 2005 Director, Cykan Holdings Co., Ltd. (current) Apr 2014 Joined Cykan Co., Ltd.; Head of Management Improvement Office (current) Director, CNN Investment Co., Ltd. Jun 2017 Director, the Company Mar 2018 Director, Takeo Ureshino International Country Club Co., Ltd. (current) Jul 2019 Director, Modidic Co., Ltd. Apr 2022 Representative Director, HashLink Co., Ltd. Jun 2022 Director, the Company (current) Sep 2022 Director, CommSeed Korea Co., Ltd. (current)

Apr 1960 Joined Tohto Bank, Ltd. (now Sumitomo Mitsui Banking Corporation) Mar 1987 Branch Manager, Aobadai Branch, Mitsui Bank, Ltd. (now Sumitomo Mitsui Banking Corporation) Oct 1990 Seconded to Kyokuto Securities Co., Ltd. Apr 1993 Head of Underwriting Department, Kyokuto Securities Co., Ltd. May 1998 Deputy Manager, Shinjuku Mitsui Club Apr 2003 Business Navigator, Tokyo Small and Medium Enterprise Promotion Corporation Jun 2004 Auditor, the Company Jun 2021 Outside Director, Audit and Supervisory Committee Member, the Company (current)

Oct 2006 Registered as attorney, Daini Tokyo Bar Association; joined Mori Hamada & Matsumoto Sep 2008 Joined Ogasawara International Law Office (now Ogasawara Rokugawa International Law Office) Jun 2011 Auditor, the Company Sep 2011 Opened Okamoto General Law Office (current) Jul 2017 Member, Tokyo Metropolitan Assembly Jun 2021 Outside Director, Audit and Supervisory Committee Member, the Company (current)

Oct 1994 Joined Aoyama Audit Corporation (now PwC Arata LLC) Apr 1997 Registered as Certified Public Accountant Studied at Cornell University, Johnson Graduate School of Management (MBA) Oct 2005 Joined Credit Suisse Boston Securities, Tokyo Branch (now Credit Suisse Securities (Japan) Limited); assigned to Capital Markets Department Oct 2012 Opened Ikuo Taniguchi CPA Office (now Taniguchi Partners International Accounting and Tax Office); Representative (current) Dec 2012 Registered as Certified Tax Accountant; changed trade name to Taniguchi Partners International Accounting and Tax Office Jun 2014 Auditor, the Company Oct 2014 Outside Auditor, GMO Click Securities, Inc. Jun 2021 Outside Director, Audit and Supervisory Committee Member, the Company (current) Mar 2022 Outside Director, Audit and Supervisory Committee Member, GMO Click Securities, Inc. Sep 2024 Co-Representative Director, Nihon Logistics Fund Co., Ltd. (current)

Oct 1990 Joined SK Group Japan Co., Ltd. Feb 2005 Management Planning Team and Administration Manager, NeoWiz Japan Corporation May 2010 Team Leader, Investment/Global Business, Nexon Korea Apr 2013 Representative Director, President, Ubifun Corporation Jan 2016 CFO and Director, Techno Blood Korea Co., Ltd. May 2018 Head of Corporate Planning, YJM Games; Representative Director, YJM Games Japan (current) Jul 2020 Head of Strategic Planning, Action Square Co., Ltd. Mar 2026 Head of Corporate Strategy Office and Executive Officer, the Company (current) Jun 2026 Director, Head of Corporate Strategy Office, the Company (scheduled to assume office)