• August 24, 2026 Notice of Office Relocation:Itochu Oil Exploration Co., Ltd. relocated to The Akasaka Trust Tower on August 24, 2026.
• September 04, 2024 Seven Companies Announce to Conduct Engineering Design Work for Japanese Advanced CCS (Carbon Capture and Storage) Project
• August 02, 2023 Seven Companies Announce to Conduct a Joint Study on Japanese Advanced CCS (Carbon Capture and Storage) Project
• April 01, 2023 CIECO announces participation in the Japan Geothermal Association.

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