Certain A shares of Beijing Hengyu Datacom Aviation Equipment co., LTD are subject to a lock-up agreement ending April 2, 2022.

Certain A shares of Beijing Hengyu Datacom Aviation Equipment co., LTD are subject to a blocking agreement ending on April 2, 2022. These A shares will be blocked for 374 days from 24-MAR-2021 to 2-APR-2022. Details: Rao Danni, shareholder of the company, actual controllers Rao Danni and Wang Shu, directors, supervisors and senior managers who are indirect shareholders Guo Xiaodong, Gu Jianbin, Yang Yong, Zhou Weibin, Jin Yupeng, Zhang Nuo, and Zhou Fang and Zibo Hengyu Tongde Information Consulting Partnership Enterprise have undertaken: not to transfer or entrust to a third party the shares of the Company which they hold directly or indirectly before the issue, nor to allow the company to redeem these shares within 36 months following the date of registration. If within 6 months after listing, the closing price of the shares is lower than the issue price for 20 consecutive trading days or if the share price is below the issue price 6 months after listing, the period of unavailability will be automatically extended for another 6 months. After the expiration of the blockage, during their terms of office, Guo Xiaodong, Gu Jianbin, Yang Yong, Zhou Weibin, Jin Yupeng, Zhang Nuo and Zhou Fang pledged not to transfer more than 25% of the shares held each year. The director and shareholder of the Company, Wu Liubin, has undertaken: not to transfer or entrust to a third party the shares of the Company that he held directly or indirectly before the issue, nor to allow the company to redeem these shares within 12 months from the date of registration. If within 6 months after listing, the closing price of the shares is lower than the issue price for 20 consecutive trading days or if the share price is below the issue price 6 months after listing, the period of unavailability will be automatically extended for another 6 months. After the freeze expired, during his tenure, Wu Liubin pledged not to transfer more than 25% of the shares held each year.