Certain A Shares of Shenzhen Chipscreen Biosciences Co., Ltd. are subject to a Lock-Up Agreement Ending on 2-AUG-2022. These A Shares will be under lockup for 1097 days starting from 1-AUG-2019 to 2-AUG-2022. Details: The shareholders, Xianping Lu, Shenzhen Haide Ruida Enterprise Management Partnership Enterprise (Limited Partnership), Shenzhen Haide Ruiyuan Enterprise Management Partnership Enterprise (Limited Partnership), Shenzhen Haide Xincheng Enterprise Management Partnership Enterprise (Limited Partnership), Shenzhen Haiyuemen Biotechnology Development Co., Ltd., Shenzhen Haide Ruibo Investment Co., Ltd., Shenzhen Haide Kangcheng Investment Partnership Enterprise (Limited Partnership), and CapitalBio Corporation have agreed not to dispose off any shares for a period of 36 months after the listing date. The Directors, supervisors, management personnel, Li Jianxun, Hai Ou, Shen Jianhua, Zhou Kexiang, Shan Song, Pan Desi, Ning Zhiqiang, Li Zhibin, Zhao Shumei, She Liangji and other shareholders have agreed not to dispose off any shares for a period of 12 months after the listing date.