Announcement of Basic Agreement on Strategic Partnership for the Promotion of Next-Generation Energy Storage System (ESS) Business

TerraSignal Inc. entered into a basic agreement on a partnership regarding the promotion of next-generation Energy Storage System (ESS) businesses on February 13, 2026, with specialized companies in various fields, including IFR Co., Ltd.

As the importance of grid-scale storage batteries increases toward achieving a decarbonized society, this agreement establishes an integrated service delivery structure with partners possessing advanced technical capabilities to ensure stable project operations and maximize profitability.

[Roles within the Partner Alliance]

• Project Development & Structuring: IFR Co., Ltd. / Renewable Energy Partners LLC will provide optimal overall coordination and drive commercialization.
• Infrastructure Construction & Maintenance: Iwama Co., Ltd. will support infrastructure construction and long-term stable operation through advanced construction techniques.
• EMS & Communication Infrastructure: Navir Co., Ltd. will provide cutting-edge local control systems to ensure reliable system integration.
• AI Optimization Engine: TerraSignal Inc. will provide "TerraSignal Run." It utilizes advanced AI to automatically formulate charging/discharging plans and market bidding strategies, maximizing revenue for storage battery owners.

Through this robust professional alliance, the company will vigorously promote not only current projects but also ESS businesses to be deployed nationwide in the future, contributing to the establishment of a sustainable energy society.