Certain A Shares of Suzhou Novoprotein Scientific Co., Ltd. are subject to a Lock-Up Agreement Ending on 23-SEP-2023. These A Shares will be under lockup for 366 days starting from 22-SEP-2022 to 23-SEP-2023.

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The company?s holding shareholder Shanghai Xinbainuo Biological Technology Co., Ltd. promised Within 36 months after the listing date, will not transfer nor entrust to others for management direct or indirect shares in the company held prior to issuance, nor allow the company to repurchase the said shares. If the closing price of the company?s share is lower than the issue price for 20 consecutive trading days within 6 months after listing, or if the closing price of the company?s share is lower than the issue price for the period ending six months after listing, then the lockup period will automatically be extended for 6 months.

The company?s actual controller Zhu Huaxing promised Within 36 months after the listing date, will not transfer nor entrust to others for management direct or indirect shares in the company held prior to issuance, nor allow the company to repurchase the said shares. During the term of office in the company, the number of shares in the company transferred each year shall not exceed 25% of the total shares held in the company. If the closing price of the company?s share is lower than the issue price for 20 consecutive trading days within 6 months after listing, or if the closing price of the company?s share is lower than the issue price for the period ending six months after listing, then the lockup period will automatically be extended for 6 months.

Actual controller?s parties acting in concert Zou Fangping, Zhao Yujian, Wang Yingming, Wang Duqiang, indirect shareholder Zhang Dongye promised Within 36 months after the listing date, will not transfer nor entrust to others for management direct or indirect shares in the company held prior to issuance, nor allow the company to repurchase the said shares. During the term of office in the company, the number of shares in the company transferred each year shall not exceed 25% of the total shares held in the company. If the closing price of the company?s share is lower than the issue price for 20 consecutive trading days within 6 months after listing, or if the closing price of the company?s share is lower than the issue price for the period ending six months after listing, then the lockup period will automatically be extended for 6 months.

Actual controller?s parties acting in concert Li Guiyun, Lin Yongqiang, Yan Ming promised Within 36 months after the listing date, will not transfer nor entrust to others for management direct or indirect shares in the company held prior to issuance, nor allow the company to repurchase the said shares.

Shareholder Suzhou Fan?an Enterprise Management Partnership Enterprise (Limited Partnership, Suzhou Baan Enterprise Management Partnership Enterprise (Limited Partnership) and Suzhou Mei'an Enterprise Management Partnership Enterprise (Limited Partnership) promised Within 36 months after the listing date, will not transfer nor entrust to others for management direct or indirect shares in the company held prior to issuance, nor allow the company to repurchase the said shares.

Indirect shareholder Zhang Qingyi, Li Debin promised Within 36 months after the listing date, will not transfer nor entrust to others for management direct or indirect shares in the company held prior to issuance, nor allow the company to repurchase the said shares. During the term of office in the company, the number of shares in the company transferred each year shall not exceed 25% of the total shares held in the company.

Indirect shareholder Wang Mi, Zhao Manman, Cui Lilan, Song Zuowei promised Within 36 months after the listing date, will not transfer nor entrust to others for management direct or indirect shares in the company held prior to issuance, nor allow the company to repurchase the said shares. Within 4 years after expiration of lockup, the shares in the company held prior to issuance that can be transferred in a year will not exceed 25% of the total shares held in the company prior to issuance during listing.

Indirect shareholder Hua Lin promised Within 12 months after listing date and within 36 months after Heze Qiaobei Jingxu Venture Capital Partnership Enterprise (Limited Partnership) obtains shares in the company, will not transfer nor entrust to others for management direct or indirect shares in the company held prior to issuance, nor allow the company to repurchase the said shares. During the term of office in the company, the number of shares in the company transferred each year shall not exceed 25% of the total shares held in the company.

Shareholder Wujiang Dongyun Venture Capital Co., Ltd. promised Within 12 months after the listing date, will not transfer nor entrust to others for management direct or indirect shares in the company held prior to issuance, nor allow the company to repurchase the said shares.

Shareholder Heze Qiaobei Jingxu Venture Capital Partnership Enterprise (Limited Partnership)?Nanjing Jinli Venture Capital Partnership Enterprise (Limited Partnership)?Suzhou Jinling Venture Capital Partnership Enterprise (Limited Partnership)?Hangzhou Changsui Equity Investment Partnership Enterprise (Limited Partnership)?Zibo Jingli Venture Capital Partnership Enterprise (Limited Partnership)?Shanghai Pujin Technology Development Partnership Enterprise (Limited Partnership)?Zibo Yuehua Venture Capital Partnership Enterprise (Limited Partnership) promised Within 12 months after listing date and within 36 months after obtaining shares in the company (that is completion of registration modification procedures of capital increase), will not transfer nor entrust to others for management direct or indirect shares in the company held prior to issuance, nor allow the company to repurchase the said shares.

Shareholder Suzhou Industrial Park Qihua Phase VI Venture Capital Partnership Enterprise (Limited Partnership) promised Within 12 months after listing date and within 36 months after obtaining shares in the company (that is completion of registration modification procedures of capital increase), will not transfer nor entrust to others for management direct or indirect shares in the company held prior to issuance, nor allow the company to repurchase the said shares.