Certain Ordinary Shares of J Frontier Co.,Ltd. are subject to a Lock-Up Agreement Ending on 26-NOV-2021. These Ordinary Shares will be under lockup for 91 days starting from 27-AUG-2021 to 26-NOV-2021. Details: Atsuhiro Nakamura, the seller and lender, Atsushi Co,Ltd., a shareholder of the Company, Koji Koyama and Hisao Hosei, the holders of the stock acquisition rights of the Company, have agreed not to sell the Company's shares (However, this excludes the underwriting of the underwriter's purchase transaction, the lending of the Company's common stock for sale by over-allotment, and the acquisition of the Company's common stock subject to the green shoe option by the lead managing underwriter.) without prior written consent of the lead managing underwriter during the period from the date of conclusion of the principal underwriting contract to the 90th day (including the day) after the listing (trading start) date (including the day). In addition, the Company with respect to the main secretary company, listed from the original underwriting agreement entered into after the date (buying and selling start) date (including the day) 180 days ( 2022 year 2 May 22 during the period up to 2008), of the Lead Manager in advance of Issuance of the Company's shares, issuance of securities converted or exchanged for the Company's shares, or issuance of securities entitled to acquire or receive the Company's shares without written consent (however, the Offering and Share Split, etc.) they have agreed not to do such things. In any of the above cases, the lead managing underwriter has the authority to cancel part or all of the contents of the agreement at its discretion. In addition to the above, the Company will continue to own the shares, etc. offered by third-party allotment before listing with the person who received the allotment, based on the provisions of the Securities Listing Regulations Enforcement Regulations established by the exchange. they are making promises such as. For details, please refer to "Part 4 Initial Public Offering Information 2 Overview of Third-Party Allotment, etc."