688321: simplified equity change report

Shenzhen Chipscreen Biosciences Co.Ltd(688321)

Simplified equity change report

Name of listed company: Shenzhen Chipscreen Biosciences Co.Ltd(688321) place of stock listing: Shanghai Stock Exchange Stock abbreviation: Shenzhen Chipscreen Biosciences Co.Ltd(688321) Stock Code: 688321

Information disclosure obligor I: LAV one (Hong Kong) Co, Limited (hereinafter referred to as “LAV one”) domicile / mailing address: 2 / F, China Tower, 228 Queen’s Road East, Hong Kong information disclosure obligor 2: vertex Technology Fund (III) Ltd (hereinafter referred to as “vertex”) domicile / mailing address: 250 North Point Bridge Road, Raffles City building #11-01, Singapore nature of share change: share reduction

Signed on: January 23, 2022

Statement of information disclosure obligor

1、 In accordance with the securities law of the people’s Republic of China (hereinafter referred to as the “Securities Law”) and the administrative measures for the acquisition of listed companies (hereinafter referred to as the “acquisition measures”) This report is prepared in accordance with relevant laws, regulations and normative documents such as the standards for the contents and forms of information disclosure by public securities companies No. 15 – Report on changes in equity (hereinafter referred to as “Standards No. 15”).

2、 The information disclosure obligor has obtained necessary authorization and approval for signing this report, and its performance does not violate or conflict with any provision in the partnership agreement or internal rules of the information disclosure obligor.

3、 In accordance with the provisions of the securities law, the acquisition measures and Standard No. 15, this report has fully disclosed the changes in shares in which the information disclosure obligor has interests in Shenzhen Chipscreen Biosciences Co.Ltd(688321) (hereinafter referred to as ” Shenzhen Chipscreen Biosciences Co.Ltd(688321) ” or “listed company”).

As of the signing date of this report, except for the information disclosed in this report, the information disclosure obligor has not increased or reduced its shares in Shenzhen Chipscreen Biosciences Co.Ltd(688321) by any other means.

4、 This equity change is based on the information stated in this report. The information disclosure obligor has not entrusted or authorized any other person to provide information not listed in this report and make any explanation or explanation to this report.

5、 The information disclosure obligor promises that there are no false records, misleading statements or major omissions in this report, and is legally responsible for its authenticity, accuracy and completeness.

catalogue

Section 1 interpretation Section 2 Introduction to information disclosure obligors Section III purpose of equity change and shareholding plan Section IV equity change method 8 section V Trading of listed shares in the first six months Section VI other major matters Section VII declaration of information disclosure obligor Section VIII documents for future reference 13 attached table: simplified equity change report fourteen

Section I interpretation

Listed company, company, Shenzhen Chipscreen Biosciences Co.Ltd(688321) refers to Shenzhen Chipscreen Biosciences Co.Ltd(688321)

Information disclosure obligors refer to LAV one (Hong Kong) Co., limited and its concerted party vertex Technology Fund (III) Ltd

The information disclosure obligors collectively compete for the index price of this equity change through the Shanghai Stock Exchange and reduce the shares of listed companies through block trading, resulting in the holding of less than 5% of the shares of listed companies

For this equity change, the Shenzhen equity change report and this report refer to the simplified equity change report of Shenzhen Shenzhen Chipscreen Biosciences Co.Ltd(688321) Technology Co., Ltd. issued by the information disclosure obligor

Exchange means Shanghai Stock Exchange

Yuan, ten thousand yuan means RMB yuan, ten thousand yuan

Section II introduction to information disclosure obligors

1、 Basic information of information disclosure obligor

Lav one (Hong Kong) vertex technology fund enterprise name

Co., Limited (III) Ltd

Enterprise type private limited company private limited company

Registered address: 250 North Point Bridge Road, 2 / F #11-01, Hua building, Raffles City building, 228 Queen’s Road East, Hong Kong

Date of establishment: July 18, 2011 March 20, 2000

July 18, 2021 to no term

Business term: July 17, 2022

Legal representative: Chua Kee lock

Legal representative: tham sin Hui tham sin Hui

Unified social credit code 1635737 200002299m

Business scope investment holding company investment holding company

Mailing address: 250 North Point Bridge Road, 2 / F #11-01, Hua building, Raffles City building, Central Singapore, 228 Queen’s Road East, Hong Kong

2、 Basic information of the principal of the information disclosure obligor

Whether the long-term residence has obtained the name, position, gender, nationality or residence right in other countries or regions

Chua Kee lock director male Singapore none

3、 Information disclosure obligor’s equity shares in other domestic and overseas listed companies reach or exceed 5% of the issued shares of the company

As of the signing date of this report, the information disclosure obligor does not have shares with interests in other domestic and overseas listed companies that reach or exceed 5% of the issued shares of the company.

Section III purpose of equity change and shareholding plan

1、 Purpose of this equity change

This change in equity is due to the reduction of shares of the listed company by the information disclosure obligor due to the needs of its own business operation and development. 2、 Shareholding plan of information disclosure obligor in the next 12 months

According to the announcement of Shenzhen Chipscreen Biosciences Co.Ltd(688321) shareholders’ share reduction plan (Announcement No.: 2021-059) disclosed on the website of Shanghai Stock Exchange on July 6, 2021, LAV one and vertex plan to conduct centralized bidding trading within six months after 15 trading days from the date of the announcement (i.e. July 27, 2021 to January 22, 2022) due to their own business development needs The total number of shares of the company held by them shall not exceed 24600000 by legal means such as block trading (if the company has share changes such as share distribution 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.

As of the disclosure date of this report, the above reduction plan has been implemented. The information disclosure obligor has no other unfinished plans to increase or reduce the shares of the listed company. If there are plans to increase or reduce the shares in the next 12 months, it will perform the information disclosure obligations in accordance with relevant regulations.

Section IV changes in equity

1、 Number and proportion of shares owned by the information disclosure obligor in the listed company

Before this equity change, the information disclosure obligors held 35470398 Shenzhen Chipscreen Biosciences Co.Ltd(688321) non tradable shares, accounting for 8.6361% of the total share capital of the company, and were shareholders holding more than 5% of the company.

After this equity change, as of the signing date of this report, the information disclosure obligors hold Shenzhen Chipscreen Biosciences Co.Ltd(688321) 20535928 shares in total, all of which are non tradable shares, accounting for 4.99998% of the total share capital of the company. 2、 Current equity change method

In this equity change, the details of the equity change of information disclosure obligation are as follows:

Name of shareholder holding reduction time holding reduction method proportion of holdings in total share capital (shares (%)

Lav one (Hong) block transaction 6908700 1.6821% 2021 / 7 / 9 ~ bidding transaction

Kong) Co., limited 8025770 1.9541% 2022 / 1 / 22 block transaction

Vertex Technology 0 0

Fund (III) Ltd bidding transaction 0

3、 Restrictions on the rights of shares of listed companies held by information disclosure obligors

As of the signing date of this report, the wechat Jinyu Bio-Technology Co.Ltd(600201) held by the information disclosure obligor is tradable shares with unlimited sales conditions, without any right restrictions, including but not limited to shares

Pledged, frozen, etc.

Section V Trading of listed shares in the first six months

Within six months before the signing date of this report, except for the changes in equity, the information disclosure obligor did not purchase the shares of the listed company. The information disclosure obligor sold the shares of the company through the securities trading system of Shanghai Stock Exchange is as follows:

Reduction price reduction number reduction shareholder name reduction method reduction time interval (yuan / volume (share) proportion share)

Lav one (Hong) bidding transaction, August 21, 2021 ~ 31.42 ~ 41.76

Kong) Co., limited block trading 2022 / 1 / 22 14934470 3.64%

Vertex technology did not reduce 2021 / 8 / 21~

Fund (III) Ltd holds 2022 / 1 / 22 0

Within six months before the signing date of this report, except for the share reduction disclosed above, the information disclosure obligor has no other circumstances of trading the company’s shares through the trading system of Shanghai Stock Exchange.

Section VI other major matters

As of the signing date of this report, the information disclosure obligor has truthfully disclosed the information related to this equity change in accordance with relevant regulations, and there is no other major information that the information disclosure obligor should disclose but did not disclose in accordance with laws and relevant regulations.

Section VII statement of information disclosure obligor

I (and the organization I represent) promise that there are no false records, misleading statements or major omissions in this report, and bear individual and joint legal liabilities for the authenticity, accuracy and completeness.

Information disclosure obligor I: LAV one (Hong Kong) Co., LIMITED

Information disclosure obligor 2: vertex Technology Fund (III) Ltd

Legal representative: Chua Kee lock

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