Notice of Office Relocation

Green Battery Co., Ltd. (Headquarters: Minato-ku, Tokyo; Representative Director: Kotaro Okada; hereinafter “the Company”) is pleased to announce that it has decided to relocate its head office for the purpose of business expansion and strengthening its organizational structure.

New Location: 3-2-18 Shiba, Minato-ku, Tokyo, ICON PLACE SHIBAKOEN 7F

Purpose of Relocation

With the hope of continuous growth of our grid-scale battery storage business and plans for further expansion, we are relocating our head office to enhance operational efficiency and strengthen inter-collaboration. At our new office, we aim to achieve the following:

• Improved productivity through stronger cross-departmental collaboration
• A flexible working environment that accommodates diverse work styles
• Promotion of attracting and retaining top talent

New Office Details

Address: 3-2-18 Shiba, Minato-ku, Tokyo, ICON PLACE SHIBAKOEN 7F

(3-minute walk from Akabanebashi Station on the Toei Oedo Line / 5-minute walk from Shibakoen Station on the Toei Mita Line)

Relocation Date: May 2026 (Scheduled)

Features:

• Open-space design to foster collaboration
• Enhanced meeting and client reception facilities
• Work environment designed to maximize employee productivity

We see this relocation as an opportunity to further strengthen our organizational structure, accelerate business growth, and continue enhancing long-term corporate value. We sincerely appreciate your continued support, and we warmly welcome you to stop by if you are ever in the area.

Company Overview

Green Battery Co., Ltd. Green Battery Co., Ltd. develops grid-scale battery storage businesses with the goal of creating “a society where renewable energy is never wasted.” By storing surplus electricity generated from solar power and other renewable sources and supplying it when needed, we contribute to power grid stability and the maximum utilization of renewable energy.

Contact Green Battery Co., Ltd. TEL: 03-6809-3888 MAIL: info@greenbattery.co.jp