Apr 1997 Joined Hibiya Kadan Co., Ltd. Jul 2000 Director, E-Flora Co., Ltd. Jan 2005 Joined Seicho Co., Ltd. Aug 2005 Representative Director, Seicho Co., Ltd. Oct 2009 Founded the Company; Representative Director (current) Jan 2016 Founded Seicho Holdings Co., Ltd. (currently We Co., Ltd.); Representative Director (current) Apr 2019 Representative Director, AI Business Promotion Consortium General Incorporated Association

Apr 1999 Joined ITOCHU Techno-Solutions Corporation Apr 2012 Vice President, ITOCHU Techno-Solutions America, Inc. Apr 2017 General Manager, AI Business Promotion Department, ITOCHU Techno-Solutions Corporation Feb 2020 Joined the Company Jul 2021 Director, the Company Jul 2024 Director, Executive Officer, the Company (current)

Apr 1996 Joined Hitachi Kensetsu Sekkei Co., Ltd. Jun 2001 Joined Toshi Design System Co., Ltd. Dec 2005 Director, Honors Hill Karuizawa Co., Ltd. Aug 2008 Founded ARICA Co., Ltd.; Representative Director Oct 2009 Founded the Company; Director Jul 2015 Representative Director, the Company Sep 2020 Director, the Company (resigned) Jul 2021 Director, the Company Jul 2024 Director, Executive Officer, the Company (current)

Apr 2007 Postdoctoral Researcher, Max Planck Institute of Microstructure Physics Jan 2009 Visiting Postdoctoral Researcher, University of Cambridge Oct 2009 Founded the Company; Director Jan 2011 Research Associate, Research Center for Advanced Science and Technology, The University of Tokyo Apr 2011 Director, the Company (resigned) Apr 2011 Project Assistant Professor, Research Center for Advanced Science and Technology, The University of Tokyo Apr 2014 Project Associate Professor, Research Center for Advanced Science and Technology, The University of Tokyo Mar 2016 Associate Professor, i-Powered Energy System Research Center, The University of Electro-Communications Sep 2020 Non-Executive Director, the Company (current) Apr 2024 Professor, i-Powered Energy System Research Center, The University of Electro-Communications (current)

Apr 2000 Joined McKinsey & Company, Inc. Sep 2003 Joined Japan Industrial Partners, Inc. May 2006 Assistant Professor, Graduate School of Engineering, The University of Tokyo Jan 2013 Project Associate Professor, Office of Project Management, The University of Tokyo Apr 2017 Project Associate Professor, Department of Technology Management for Innovation, Graduate School of Engineering, The University of Tokyo Feb 2019 Associate Professor, Department of Technology Management for Innovation, Graduate School of Engineering, The University of Tokyo Sep 2020 Outside Director, the Company (current) May 2021 Outside Director, JDSC Inc. (current) Apr 2024 Professor, Department of Technology Management for Innovation, Graduate School of Engineering, The University of Tokyo (current)

Apr 1994 Joined Tokyo Electric Power Company Jan 2012 Director and Senior Research Fellow, Institute for International Environmental Economics (NPO) (current) Oct 2018 Co-Representative, U3 Innovations LLC (current) Jun 2019 Outside Director, Japan Paper Pulp Trading Co., Ltd. (current) Apr 2020 Project Professor (Visiting), Tohoku University (current) Jul 2022 Outside Director, the Company (current) Jun 2024 Outside Director, Nippon Steel Corporation (current) Jun 2026 Outside Director, Idemitsu Kosan Co., Ltd. (current)

Apr 1982 Joined National Tabayashi Securities Co., Ltd. (currently SMBC Nikko Securities Inc.) Feb 2018 Joined Heisei Enterprise Co., Ltd.; General Manager, Internal Audit Office Dec 2019 General Manager, Corporate Planning Department, Heisei Enterprise Co., Ltd. Mar 2020 Joined the Company; Internal Audit Office Oct 2020 Corporate Auditor, the Company (current)

Dec 2005 Joined Shin Nihon LLC (currently EY ShinNihon LLC) Oct 2011 Joined Partners Consulting Co., Ltd. Jan 2013 Founded Takayuki Miyazaki CPA Office; Representative (current) Aug 2014 Outside Director, Mirai Material Co., Ltd. Aug 2014 Outside Corporate Auditor, Silbird Inc. Jun 2017 Outside Director, J Creation Co., Ltd. Sep 2017 Outside Corporate Auditor, Reaxs Find Co., Ltd. Jan 2019 Founded Partners Gate Co., Ltd.; Representative Director (current) Sep 2019 Outside Corporate Auditor, the Company (current) Jul 2020 Outside Director, Reaxs Find Co., Ltd.

Oct 2006 Joined Tokyo Hatchobori Law Office Oct 2016 Partner, Tokyo Hatchobori Law Office (current) May 2022 Outside Director, Imprex & Company Inc. (current) Jun 2022 Managing Director, Japan Student Athletics Federation (Public Interest Incorporated Association) (current) Jul 2022 Outside Corporate Auditor, the Company (current) Jun 2024 Corporate Auditor, Benesse Corporation (current) Jan 2025 Corporate Auditor, Benesse Style Care Group Co., Ltd. (current) Apr 2026 Outside Corporate Auditor, CareNet, Inc. (current) Apr 2026 Outside Corporate Auditor, Mamezou Co., Ltd. (current)