Certain A Shares of Ningbo Solartron Technology Co.,Ltd. are subject to a Lock-Up Agreement Ending on 5-MAY-2021. These A Shares will be under lockup for 547 days starting from 5-NOV-2019 to 5-MAY-2021. Details: Jin Yadong, the company's controlling shareholder, actual controller, chairman, general manager and core technical personnel and company’s shareholder Ningbo Changyang Yonghui Investment Management Partnership (Limited Partnership) and Ningbo North Shore Zhigu Haibang Venture Capital Partnership (Limited Partnership) promised (1) 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. (2) 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. (3) 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. Liu Bin, Yang Chenghan, Yang Zhonghe, Li Chen, and Tan Minzhi, the shareholders of the company, directors, supervisors and senior management personnel promised (1) Within 6 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. (2) 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. In the event of a resignation before the expiry of the term of office, the above-mentioned undertaking will continue to be maintained for six months. (3) There will be no transfer of shares, directly or indirectly held, within 18 months from the date of declaration in case of resignation happening within 6 months from the date of listing of the company's shares; the first 7 months from the date of listing of the company's shares to the 12th month between the declaration of separation, since the declaration of departure within 12 months from the date of the transfer of the person directly or indirectly, the issuer shares. Core technician Zhou Yubo promised (1) During the period of the corresponding lock-up period of the issued shares before the issuer's public offering of shares by the issuer of Ningbo Yonghui Investment Management Partnership (Limited Partnership), will not transfer or entrust others to manage the issuer's public offering of shares indirectly. For the previously issued shares, the company does not repurchase the shares held by the company; (2) During the period of the company's core technical personnel, within 4 years from the expiration of the pre-sales limit of the shares held by the company, the pre-issued shares transferred each year shall not exceed 25% of the total number of shares before the company's initial release at the time of listing. The ratio can be used cumulatively; (3) Within six months after leaving the company, the shares of the company may not transfer directly or indirectly held by him. Corporate institutional investor such as Hangzhou Nanhai Growth Investment Partnership (Limited Partnership), Shenzhen Tongchuang Jincheng New Third Board Investment Enterprise (Limited Partnership), Ningbo Yinzhou Tongjin Venture Capital Partnership (Limited Partnership), Ningbo Qianshi High-tech Venture Capital Partnership (Limited Partnership), Ningbo Yinzhou Tengshengfei Asset Management Partnership (Limited Partnership), Ningbo Qingrong Venture Capital Center (Limited Partnership), Ningbo Meishan Bonded Port Area Skywalker No. 2 Equity Investment Fund Management Partnership (Limited Partnership), Ningbo Meishan Bonded Port Area Puchang Investment Partnership (Limited Partnership) and other 25 natural person shareholders 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. Company’s natural person shareholder Zhan Feng promised (1) 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. (2). 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. In the event of a resignation before the expiry of the term of office, the above-mentioned undertaking will continue to be maintained for six months. (3) There will be no transfer of shares, directly or indirectly held, within 18 months from the date of declaration in case of resignation happening within 6 months from the date of listing of the company's shares; the first 7 months from the date of listing of the company's shares to the 12th month between the declaration of separation, since the declaration of departure within 12 months from the date of the transfer of the person directly or indirectly, the issuer shares.