Certain Common Stock of Brains Technology, Inc. are subject to a Lock-Up Agreement Ending on 23-JAN-2022. These Common Stock will be under lockup for 179 days starting from 28-JUL-2021 to 23-JAN-2022. Details: Sawako Saito, the lender and seller, Nobutaka Nakazawa and Satoshi Kawada, the shareholders and officers of the Company, Katsuyuki Konno, the shareholder of the Company, and the stock acquisition right holder of the Company. Takuma Hayashi and Toshiaki Enonami, who are officers of the Company, and Koichi Tanaka, Kazunari Fujiwara, Miki Abe, Masayoshi Aoki, Takayuki Kato, Masanori Okuyama, Manabu Higuchi, Takaaki Nakazawa, Yoko Shiobara, Keita Nakanishi, Naoki Tsukada. , Kyota Sasaki, Taichiro Shiraishi, Naoaki Kurita, Keisuke Iwaki, Kaori Yoshida, Naoko Kanzo, Keita Sawamura, Shintaro Ishimoto, Sayaka Tomita and Takuya Kobayashi have joined SMBC Nikko Securities Inc. (hereinafter referred to as the "lead managing underwriter"). On the other hand, during the period from the date of conclusion of the principal underwriting contract for the sale by the offer and the underwriter's purchase transaction to January 23, 2022, which is the 180th day from the listing. The NVCC No. 7 Investment Business Limited Liability Partnership, SMBC Venture Capital No. 2 Investment Business Limited Liability Union, and Sansei No. 6 Investment Business Limited Liability Union, which are the shareholders of the Company, have made this offer and the underwriter's purchase transaction to the lead managing company. During the period from the date of conclusion of the principal underwriting contract for the sale to October 25, 2021, which is the 90th day from the listing (start of trading) date, without obtaining the prior written consent of the lead managing company.