Certain Common Stock of HYUGA PRIMARY CARE Co.,Ltd. are subject to a Lock-Up Agreement Ending on 19-MAR-2022. These Common Stock will be under lockup for 89 days starting from 20-DEC-2021 to 19-MAR-2022. Details: In connection with this offer and the sale by the underwriter's purchase transaction, Tetsushi Kuroki, the seller and the lender, and Kohei Shiroo, Takeo Yamazaki, Tomoaki Onishi, the shareholders of the Company and the officers of the Company, and the general corporation that is the shareholder of the Company. The corporation Hyuga, CUC Co., Ltd., M3 Co., Ltd., M3 Career Co., Ltd., HYUGA PRIMARY CARE Employee Stockholding Association, and Setuko Kuroki will be listed (starting trading) on the lead managing underwriter from the date of signing the original underwriting contract. Includes. During the 180th day until June 17, 2022, the Company's shares will be sold without the prior written consent of the lead managing underwriter. In addition, SMBC Venture Capital Fund No. 2, Kyushu Entrepreneur Club Fund and Miyazaki Mirai Ouen Fund, which are the sellers, will be listed on the lead managing underwriter from the date of signing the original underwriting contract. During the period until March 19, 2022, which is the 90th day after the (start of trading) date (including that day), the Company's shares will be sold, etc. (however, the underwriter) without the prior written consent of the lead managing underwriter.