688321: suggestive announcement on changes in shareholders’ equity holding more than 5%

Securities code: 688321 securities abbreviation: Shenzhen Chipscreen Biosciences Co.Ltd(688321) Announcement No.: 2022-007 Shenzhen Chipscreen Biosciences Co.Ltd(688321)

Suggestive announcement on the change of shareholders’ equity holding more than 5%

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 liabilities for the authenticity, accuracy and integrity of its contents according to law.

Important content tips:

● this equity change is to fulfill the share reduction plan previously disclosed and does not touch the tender offer.

● the change in equity is the reduction of non largest shareholder holding more than 5%, which will not change the controlling shareholder and actual controller of the company.

● after this equity change, LAV one (Hong Kong) Co., limited, the information disclosure obligor, and vertex Technology Fund (III) Ltd, the person acting in concert, held 20535928 shares in the company, and the proportion of shares held in the company decreased from 8.6361% to 4.99998%.

Shenzhen Chipscreen Biosciences Co.Ltd(688321) (hereinafter referred to as “the company”) received the simplified report on changes in equity from the shareholder LAV one (Hong Kong) Co., limited and its concerted party vertex Technology Fund (III) Ltd (hereinafter referred to as “LAV one” and “vertex”) on January 23, 2022, and hereby announced the changes in equity as follows:

1、 Changes in equity this time

(I) basic information of information disclosure obligor

Company name LAV one (Hong Kong) Co., LIMITED

Enterprise type private limited company

Registered address: 2 / F, China Tower, 228 Queen’s Road East, Hong Kong

Date of establishment: July 18, 2011

July 18, 2021 to July 17, 2022

Operating period

Legal representative: Chua Kee lock

Legal representative: tham sin Hui

Unified social credit code 1635737

Business scope investment holding company

Mailing address: 2 / F, China Tower, 228 Queen’s Road East, Hong Kong

Company name vertex Technology Fund (III) Ltd

Enterprise type private limited company

Registered address: 250 North Point Bridge Road, Raffles City building #11-01, Singapore

Date of establishment: March 20, 2000

Business term: no term

Legal representative: Chua Kee lock

Legal representative: tham sin Hui

Unified social credit code 200002299m

Business scope investment holding company

Mailing address: 250 North Point Bridge Road, Raffles City building #11-01, Singapore

(II) basic information of this equity change

Change method change date share type reduction number of shares (shares) reduction proportion (%)

2021/07/09 ~

Block trading RMB ordinary shares 6908700 1.6821%

2022/01/04

2021/07/27 ~

Bidding transaction of RMB common shares 8025770 1.9541%

2022/01/21

Total — 14934470 3.6362%

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 change does not violate the securities law, 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.

2、 Before and after this equity change, shares owned by LAV one and vertex, the person acting in concert, in the company’s equity

Shares held before this change shares held after this change

Shareholder name share nature shareholding quantity shareholding proportion shareholding quantity shareholding proportion (share) (%) (share) (%)

LAV One (Hong

Unlimited sales conditions

Kong) Co., 17724496 4.3155% 2790026 0.67930% outstanding shares

Limitedvertex technology unlimited conditions

17,745,902 4.3207% 17,745,902 4.32068%

Circulating shares of fund (III) Ltd

Total 35470398 8.6361% 20535928 4.99998%

Note: all the shares of the company held after this equity change enjoy voting rights, and there are no rights restrictions or transfer restrictions such as voting rights entrustment or restriction.

3、 Other information

1. This equity change is a reduction, which does not involve the source of funds and does not involve the tender offer.

2. This equity change is to fulfill the share reduction plan: according to the announcement on share reduction plan of shareholders disclosed on July 6, 2021 (Announcement No.: 2021-059), LAV one and vertex plan to reduce their shares of the company through centralized bidding transaction, block transaction and other legal means, The total number shall not exceed 24600000 shares (if the company has share changes such as share bonus and conversion of capital reserve to share capital during this period, the number shall be adjusted accordingly), that is, it shall not exceed 6% of the total share capital of the company. If the shares are reduced through centralized bidding trading, the total number of shares reduced within any continuous 90 days shall not exceed 1% of the total share capital of the company; If the shares are reduced through block trading, the total number of shares reduced within any consecutive 90 days shall not exceed 2% of the total share capital of the company. The reduction price range will be determined according to the market price and trading mode when the reduction plan is implemented.

3. This equity change is the reduction of non largest shareholder holding more than 5%, and this equity change will not lead to the change of controlling shareholder and actual controller.

4. 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 involves the disclosure of a simplified report on changes in equity by the information disclosure obligor, For details, see the simplified report on changes in equity disclosed on the same day. It is hereby announced.

Shenzhen Chipscreen Biosciences Co.Ltd(688321) board of directors January 24, 2022

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