List of officers

(as of April 1, 2023)

Members of the Board Representative Member of the Board Yutaka Oka

Representative Member of the Board

Shinji Nakayama

Member of the Board

Teruaki Sasaki

Member of the Board

Takahiro Yamamoto
Audit & Supervisory Board Member Azuma Bitou
Yutaka Wakaki
Executive Officers President & CEO Yutaka Oka
Senior Vice President Shinji Nakayama

Shikoku Operations,
Yamaguchi Operations,General Affairs Department,
Human Resources Department,Education & Human Resources
Development Department

Senior Vice President Teruaki Sasaki Information Systems Department,Business Innovation Department,Petrochemical Department,International Trading & Shipping
Department,Supply & Demand Coordination
Department,Logistics Management Department
Senior Vice President Takahiro Yamamoto Financial Department,
Corporate Planning Department
Senior Vice President Masanori Ozaki Auditing Department
Senior Vice President Mikio Murakami Legal & Credit Department,Environment,Safety & Quality Control Department,General Affairs Department Matsuyama
Senior Vice President Takahiro Kitajima Oil Sales Department,Marketing & Sales Planning Department,
Branches
Senior Vice President Takakazu Matsuura General Manager,
Shikoku Operations,Production & Technology Department,Environment & Safety Department
Executive Officer Hideo Kumon General Manager,
Yamaguchi Operations
General Affairs Department,
Refining Department,
Production & Technology Department,
Mechanical Engineering &
Maintenance Department,
Environment & Safety Department
Executive Officer Masashi Higaki

Deputy General Manager,
Shikoku Operations,
Plant Engineering Department,Maintenance & Engineering Department

Executive Officer Mamoru Watanabe Human Resources Department
Executive Officer Yusuke Tabuchi Legal & Credit Department,
Environment, Safety & Quality Control Department
(General Manager, Legal & Credit
Department)
Executive Officer Aya Inada Auditing Department
(General Manager, A uditing Department)
Executive Officer Giichi Ikebe Supply & Demand Coordination
Department,Logistics Management Department
Executive Officer Yasuhiro Funaki Petrochemical Department,
International Trading & Shipping
Department
Executive Officer Takashi Suzuki

Japan Underground Oil Storage Co., Ltd.

Executive Officer Junichi Ishikawa Financial Department,
Corporate Planning Department
(General Manager,
Corporate PlanningDepartment)
Executive Officer Norio Yamakawa Information Systems Department,
Business Innovation Department
(General Manager,
Business Innovation Department)
Executive Officer Noriyuki Maniwa Education & Human Resources
Development Department
Executive Officer

Kuniaki Manabe

Deputy General Manager,
Shikoku Operations,Refining Department1,Refining Department2,Oil Transfer Department1,Oil Transfer Department2
Executive Officer

Takahiro Ishizuka

General Affairs Department
(General Manager,
General Affairs Department)