688317: Shanghai Zj Bio-Tech Co.Ltd(688317) : Announcement on the progress of shareholders’ reduction of shares through centralized bidding

Securities code: 688317 securities abbreviation: Shanghai Zj Bio-Tech Co.Ltd(688317) Announcement No.: 2022-012 Shanghai Zj Bio-Tech Co.Ltd(688317) progress announcement of shareholders’ reduction of shares through centralized bidding

The board of directors, all directors and relevant shareholders 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 according to law. Important content tips:

Basic information of shareholders’ shareholding

Before the implementation of the reduction plan, Shanghai Zj Bio-Tech Co.Ltd(688317) (hereinafter referred to as “the company”) shareholder Ningbo ruidao venture capital partnership (limited partnership) (hereinafter referred to as “Ningbo ruidao”) directly held 10814800 shares of the company, accounting for 5.55% of the total share capital of the company.

Progress of centralized bidding reduction plan

The company disclosed the announcement of Shanghai Zj Bio-Tech Co.Ltd(688317) shareholders’ share reduction plan through centralized bidding (Announcement No.: 2022-003) on January 18, 2022. Ningbo ruidao, the shareholder of the company, plans to reduce its total shares of the company through centralized bidding within three months after 15 trading days from the date of disclosure of the share reduction plan, That is, not more than 1% of the total shares of the company.

On February 23, 2022, the company received the notification letter from the shareholder Ningbo ruidao about the progress of share reduction. Ningbo ruidao reduced 1634769 shares through centralized bidding from February 9, 2022 to February 23, 2022, accounting for 0.84% of the total share capital of the company. More than half of the planned shares were reduced through centralized bidding. At the same time, it reduced 994348 shares through block trading, A total of 2629117 shares were reduced. After the reduction, Ningbo ruidao held 8185683 shares, accounting for 4.20% of the total share capital of the company. 1、 Basic information of the subject of centralized bidding reduction before reduction

Number of shares held

Shareholder name shareholder identity shareholding proportion current shareholding source (share)

Ningbo ruidao more than 5% non first 10814800 5.55% obtained before IPO: 10814800 major shareholder shares of venture capital

Partnership (limited partnership)

The above reduction subjects have no concerted action.

2、 Implementation progress of centralized bidding reduction plan

(I) major shareholders disclose the implementation progress of the centralized bidding reduction plan for the following reasons:

More than half of the reduction in centralized bidding transactions

Shareholder name reduction number reduction ratio reduction price reduction total current holdings during the reduction period reduction method range (yuan amount, number of shares, share proportion (shares) / share) (yuan) (share)

Ningbo Rui 1634, 0.84% 2022 / 2 / 15 centralized bidding, 37.01 – 61104 8185, 4.20% Dao Chuangye 769 ~ transaction 37.78, 135.5 683

Total investment 2022 / 2 / 23 6

Partnership (limited partnership)

~ –

(II) whether the reduction is consistent with the plans and commitments previously disclosed by major shareholders or directors, supervisors and senior executives

√ yes □ no

(III) within the time range of reduction, whether the listed company discloses major events such as high transfer or planning merger and reorganization

term

□ yes √ no

(IV) impact of this reduction on the company

Ningbo ruidao is not the controlling shareholder or actual controller of the company. The implementation of this share reduction plan will not lead to the change of the company’s control and will not have an impact on the company’s governance structure and sustainable operation. (V) other matters required by Shanghai Stock Exchange

III. risk tips related to the centralized bidding reduction plan (I) uncertainty risk of the implementation of the reduction plan, such as the preconditions and restrictive conditions for the implementation of the plan, as well as the specific conditions for the achievement or elimination of relevant conditions, etc

The share reduction plan is decided by shareholders independently according to their own capital needs. Ningbo ruidao will decide whether to continue to implement and how to implement the share reduction plan according to market conditions, the company’s share price and other factors. There is uncertainty in the number and price of shares. (II) whether the implementation of the share reduction plan will lead to the risk of change in the control of the listed company □ yes √ no (III) other risks

The company will continue to pay attention to the progress of the implementation of the shareholder reduction plan, and timely fulfill the obligation of information disclosure in accordance with the provisions of relevant laws and regulations. Please pay attention to investment risks.

It is hereby announced.

Shanghai Zj Bio-Tech Co.Ltd(688317) board of directors February 25, 2022

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