688126: National Silicon Industry Group Co.Ltd(688126) suggestive announcement on the cumulative change of shareholders’ equity with more than 5% shareholding reaching 1%

Securities code: 688126 securities abbreviation: National Silicon Industry Group Co.Ltd(688126) Announcement No.: 2022-009 National Silicon Industry Group Co.Ltd(688126)

With regard to the suggestive announcement that the cumulative change of shareholders’ equity holding more than 5% has reached 1%, the board of directors and all directors of the company guarantee that there are no false records, misleading statements or major omissions in the contents of this announcement, and bear legal responsibility for the authenticity, accuracy and integrity of its contents in accordance with the law. Important content: this equity change belongs to reduction and refinancing lending, and does not touch the tender offer. After this equity change, the number of shares of National Silicon Industry Group Co.Ltd(688126) (hereinafter referred to as the “company”) held by Shanghai Xinwei Technology Group Co., Ltd. (hereinafter referred to as “Xinwei group” and “information disclosure obligor”) is 133339000, accounting for 5.38% of the total share capital of the company. The change in equity is the reduction of shares held by more than 5% of the non largest shareholder and refinancing lending, which will not lead to the change of the controlling shareholder and actual controller of the company.

On February 10, 2022, the company received the notification letter on changes in equity of Shanghai Xinwei Technology Group Co., Ltd. from Xinwei group, and now announces the changes in equity as follows:

1、 Information name of this equity change: Shanghai New Micro Technology Group Co., Ltd

Address: room 713, building 5, No. 865, Changning Road, Changning District, Shanghai

Changes in basic rights and interests from May 20, 2021 to February 9, 2022

Information time

Shareholder name change method change date share type reduction number of shares reduction proportion (shares)

Block transaction of equity change micro group 2021 / 5 / 24 – RMB 178300000 0.72% dynamic situation 2021 / 12 / 30 general shares

Xinwei group refinanced 2021 / 5 / 20 – RMB 10831000, 0.44% borrowed 2022 / 2 / 9 shares

/Total / / 28661000 1.16%

Xinwei group lends 10831000 shares of the company through refinancing, and the ownership of the shares involved in the refinancing and lending business mentioned above will not be transferred.

2、 Before and after this equity change, the shares of the company’s equity owned by the information disclosure obligor

Nature of shareholders’ shares shares held before this equity change shares held after this equity change

Name number of shares (shares) holding proportion number of shares (shares) holding proportion

Xinwei holds 162000000 6.53% 133339000 5.38% shares of the group, including 162000000 6.53% 133339000 5.38% conditional shares without restrictions

remarks:

1. All the shares involved in this equity change enjoy voting rights, and there are no restrictions on the transfer of voting rights, such as delegation or restriction of voting rights.

2. This equity change does not violate the securities law of the people’s Republic of China, the measures for the administration of the acquisition of listed companies and other laws and regulations, the business rules of Shanghai Stock Exchange and other relevant provisions and relevant commitments.

3. The data tail difference in all tables of this announcement is caused by data rounding.

3、 Other information

1. This equity change belongs to reduction and refinancing lending, and does not touch the tender offer.

2. This equity change is the normal reduction and refinancing and lending of shareholders, which will not have a significant impact on the corporate governance structure and sustainable operation, and will not lead to changes in the controlling shareholders and actual controllers.

3. According to the securities law of the people’s Republic of China, the measures for the administration of the acquisition of listed companies, the standards for the contents and forms of information disclosure by companies offering securities to the public No. 15 – Report on changes in equity and other laws, regulations and normative documents, this change in equity does not involve the disclosure of the report on changes in equity by the information disclosure obligor. 4. This equity change does not violate the previous commitment of the information disclosure obligor. The company will continue to urge it to strictly implement the relevant provisions on reduction of holdings, and timely disclose relevant information to investors. Please pay attention to investment risks.

It is hereby announced.

National Silicon Industry Group Co.Ltd(688126) board of directors February 11, 2022

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