Certain A Shares of Shenzhen SDG Service Co., Ltd. are subject to a Lock-Up Agreement Ending on 21-DEC-2021. These A Shares will be under lockup for 365 days starting from 21-DEC-2020 to 21-DEC-2021. Details: The Company’s controlling shareholder Shenzhen Special Economic Zone Development Group Co., Ltd., shareholder Shenzhen SDG Investment Co., Ltd, Company’s indirect shareholders serving as directors and senior management Y Chen Baojie, Cui Ping, Zhou Chuxin, Wang Juan, Li Lin, Wang Litao, Yin Yugang, Company’s indirect shareholder serving as supervisor Ma Xiaoxun committed to not transfer or entrust to a third party the Company’s shares they hold before the public offering, or allow the Company to repurchase these shares within 36 months from the Company’s share listing date. The Company’s shareholders Jiangsu Nantong Sanjian Construction Group Co., Ltd., Shenzhen Yinkun Investment Co., Ltd. committed to not transfer or entrust to a third party the Company’s shares they hold before the public offering, or allow the Company to repurchase these shares within 12 months from the Company’s share listing date.