Certain A Shares of CanSino Biologics Inc. are subject to a Lock-Up Agreement Ending on 13-AUG-2021. These A Shares will be under lockup for 375 days starting from 3-AUG-2020 to 13-AUG-2021. Details: 1XUEFENG YU, Zhu Tao, DONGXU QIU, HELEN HUIHUA MAO, as the actual controllers of the company promised within Within 36 months since the date of listing of the present shares, there will not be no transfers nor entrustment of shares to any third party nor repurchase by the Company. If, within 6 months after the issuer's listing, the closing price of the shares is lower than issuance price for 20 consecutive trading days or if trading price is lower than issuance price after 6 month from listing, lock-up period will be automatically extended for another 6 months. If there is any case of dividends, bonus shares, capitalization of capital reserve and other similar cases, issue price will be adjusted according to ex-dividend and ex-interests. After the expiry of the lock-up period (including the extended lock-up period), the parties promise that yearly transfer of shares made by them will not exceed 25% of the holding, both direct and indirect, held by the present parties. After 6 months from rescindment, there will not be more transfers of shares, either direct or indirect. If any of the parties were to resign within 6 months from the present IPO, neither direct nor indirect holdings might be transferred or sold for 18 months since the date of rescinding. If the parties resign within 7 to 12 months after the IPO, neither direct nor indirect holdings might be transferred or sold for 12 months since the date of rescinding. Tianjin Qianyi Enterprise Management Partnership (Limited Partnership), Tianjin Qianrui Enterprise Management Partnership (Limited Partnership), Tianjin Qianzhi Enterprise Management Partnership (Limited Partnership) are partnerships with the actual controller Zhu Tao serving as the managing partner promised within 36 months since the date of listing of the present shares, there will not be no transfers nor entrustment of shares to any third party nor repurchase by the Company. If, within 6 months after the issuer's listing, the closing price of the shares is lower than issuance price for 20 consecutive trading days or if trading price is lower than issuance price after 6 month from listing, lock-up period will be automatically extended for another 6 months. If there is any case of dividends, bonus shares, capitalization of capital reserve and other similar cases, issue price will be adjusted according to ex-dividend and ex-interests. As a family member closely related to the actual controller of the company, Liu Xuan promised within 36 months since the date of listing of the present shares in the Shanghai Stock Exchange, there will not be no transfers nor entrustment of shares to any third party nor repurchase by the Company. If, within 6 months after the issuer's listing, the closing price of the shares is lower than issuance price for 20 consecutive trading days or if trading price is lower than issuance price after 6 month from listing, lock-up period will be automatically extended for another 6 months. If there is any case of dividends, bonus shares, capitalization of capital reserve and other similar cases, issue price will be adjusted according to ex-dividend and ex-interests. As an executive who indirectly holds the company's shares, Wang Jing promised within 12 months since the date of listing of the present shares in the Shanghai Stock Exchange, there will not be no transfers nor entrustment of shares to any third party nor repurchase by the Company. If, within 6 months after the issuer's listing, the closing price of the shares is lower than issuance price for 20 consecutive trading days or if trading price is lower than issuance price after 6 month from listing, lock-up period will be automatically extended for another 6 months. If there is any case of dividends, bonus shares, capitalization of capital reserve and other similar cases, issue price will be adjusted according to ex-dividend and ex-interests. Li Jiangfeng and Liao Zhengfang, as supervisors who indirectly hold the company's shares promised within 12 months since the date of listing of the present shares in the Shanghai Stock Exchange, there will not be no transfers nor entrustment of shares to any third party nor repurchase by the Company. If, within 6 months after the issuer's listing, the closing price of the shares is lower than issuance price for 20 consecutive trading days or if trading price is lower than issuance price after 6 month from listing, lock-up period will be automatically extended for another 6 months. If there is any case of dividends, bonus shares, capitalization of capital reserve and other similar cases, issue price will be adjusted according to ex-dividend and ex-interests. XUEFENG YU, Zhu Tao, DONGXU QIU, HELEN HUIHUA MAO, as the core technical personnel of the company's shares promised within 12 months since the date of listing of the present shares in the Shanghai Stock Exchange, there will not be no transfers nor entrustment of shares to any third party nor repurchase by the Company. If, within 6 months after the issuer's listing, the closing price of the shares is lower than issuance price for 20 consecutive trading days or if trading price is lower than issuance price after 6 month from listing, lock-up period will be automatically extended for another 6 months. If there is any case of dividends, bonus shares, capitalization of capital reserve and other similar cases, issue price will be adjusted according to ex-dividend and ex-interests. The company, except for shareholders of H promised within 12 months since the date of listing of the present shares in the Shanghai Stock Exchange, there will not be no transfers nor entrustment of shares to any third party nor repurchase by the Company. If, within 6 months after the issuer's listing, the closing price of the shares is lower than issuance price for 20 consecutive trading days or if trading price is lower than issuance price after 6 month from listing, lock-up period will be automatically extended for another 6 months. If there is any case of dividends, bonus shares, capitalization of capital reserve and other similar cases, issue price will be adjusted according to ex-dividend and ex-interests.