Directors Who are Not Audit and Supervisory Committee Members (as of April 1, 2024)

Representative Director & Chairman	Murayama Seiichi
President & Representative Director Chief Executive Officer	Hayashi Yoichi
Director Deputy Chief Executive Officer	Sugawara Shizuo	Assistant to the President (Technology) General Manager, Technology Group General Manager, Project Management Office
Director Deputy Chief Executive Officer	Ohuchi Yoshiaki	Assistant to the President (Specially Assigned Matters)
Outside Director	Tokoro Chiharu
Outside Director	Ito Motoshige

Directors Who are Audit and Supervisory Committee Members (as of April 1, 2024)

Director (Full-Time Audit and Supervisory Committee Member)	Miura Takahiko
Director (Full-Time Audit and Supervisory Committee Member)	Asazuma Katsuya
Outside Director (Audit and Supervisory Committee Member)	Sakuma Soichiro
Outside Director (Audit and Supervisory Committee Member)	Futamiya Masaya
Outside Director (Audit and Supervisory Committee Member)	Kawaguchi Rika

Executive Officers (not serving concurrently as Directors) (as of April 1, 2024)

Senior Executive Officer	Yasuda Yutaka	General Manager, Metals & Recycling Division Senior Executive Engineer, Technology Group
Senior Executive Officer	Hyakuno Manabu	General Manager, Functional Materials Division Senior Executive Staff, Technology Group
Senior Executive Officer	Nakamura Yuichiro	Deputy General Manager, Technology Group
Senior Executive Officer	Tani Akito	Senior Executive Engineer, Technology Group
Senior Executive Officer	Iida Kazuhiko	General Manager, Tantalum and Niobium Division Senior Executive Engineer, Planning & Coordination Dept. Senior Executive Engineer, Technology Group
Senior Executive Officer	Komatsuzaki Kan	In charge of Administration Dept. In charge of Legal Dept. In charge of Human Resources Dept. In charge of Environment & Safety Dept. General Manager, Administration Dept. Senior Executive Staff, Project Management Office
Executive Officer	Ito Takashi	General Manager, Facilities Engineering Dept., Technology Group General Manager, Engineering Group, Project Management Office
Executive Officer	Suwabe Takeshi	General Manager, Thin Film Materials Division General Manager, Marketing Dept., Thin Film Materials Division Senior Executive Staff, Technology Group
Executive Officer	Masaki Nobuharu	General Manager, Mineral Resources Division Senior Executive Staff, Metals & Recycling Division Senior Executive Staff, Technology Group
Executive Officer	Ebihara Hiroyuki	General Manager, IT Dept., Technology Group Senior Executive Engineer, Administration Dept.
Executive Officer	Mizuguchi Tomoji	In charge of Crystalline Material Business Promotion Dept.​ General Manager, Advanced Technology & Strategy Dept., Technology Group General Manager, CVD・ALD Material Business Promotion Office
Executive Officer	Aiba Akihiro	General Manager, Hitachi Works General Manager, Technology Development Center
Executive Officer	Ogura Yasushi	In charge of Accounting Dept. General Manager, Accounting Dept.
Executive Officer	Togami Ichiro	Deputy General Manager, Metals & Recycling Division General Manager, Administration Dept., Metals & Recycling Division
Executive Officer	Oka Daisuke	In charge of ESG Promotion Dept. General Manager, ESG Promotion Dept.
Executive Officer	Kawaguchi Yoshiyuki	In charge of IPO Office In charge of Planning & Coordination Dept. In charge of Finance Dept. In charge of Public Relations & Investor Relations Dept. In charge of Internal Control Dept. In charge of Logistics Dept. General Manager, IPO Office General Manager, Planning & Administration Group, Project Management Office
Executive Officer	Okabe Takeo	Deputy General Manager, Thin Film Materials Division Senior Executive Engineer, Advanced Technology & Strategy Dept., Technology Group