Certain Common Stock of Japan Ecosystem Co., Ltd. are subject to a Lock-Up Agreement Ending on 5-APR-2022. These Common Stock will be under lockup for 179 days starting from 8-OCT-2021 to 5-APR-2022. Details: In connection with this offer, Minoru Matsushima, a stock lender, and Matsufuku Co., Ltd., Okuya Holdings Co., Ltd., and Hiroaki Matsushima, who are shareholders of the Company, will be listed on the lead managing underwriter from the date of conclusion of the principal underwriting agreement (starting trading). During the period until April 5, 2022 (hereinafter referred to as the "lockup period"), which is the 180th day after the date (including the day), the Company's common stock will be held without the prior written consent of the lead managing underwriter. We have agreed not to sell (however, excluding lending the Company's common stock for sale by over-allotment).