Hybio Pharmaceutical Co.Ltd(300199) : Announcement on changing the signing certified public accountant

Securities code: 300199 securities abbreviation: Hybio Pharmaceutical Co.Ltd(300199) Announcement No.: 2022-025

Hybio Pharmaceutical Co.Ltd(300199)

Announcement on change of signature certified public accountant

The company and all members of the board of directors guarantee that the information disclosed is true, accurate and complete without false records, misleading statements or major omissions.

The 2020 annual general meeting of shareholders of Hybio Pharmaceutical Co.Ltd(300199) (hereinafter referred to as "the company" or " Hybio Pharmaceutical Co.Ltd(300199) ") held on May 19, 2021 deliberated and approved the proposal on employing the company's 2021 audit institution, and agreed to renew the appointment of Dahua Certified Public Accountants (special general partnership) (hereinafter referred to as "Dahua firm") as the company's 2021 audit institution, For details, see the relevant announcements disclosed in the same period on the information disclosure website designated by the China Securities Regulatory Commission on the gem. Recently, the company received the letter on changing the Hybio Pharmaceutical Co.Ltd(300199) signature certified public accountant from Dahua certified public accountants, as follows:

1、 Basic information of the certified public accountant who changed the signature

Dahua certified public accountants, as the company's audit institution in 2021, originally appointed Mr. Yang Qian and Mr. Zheng Rongfu as signing certified public accountants to provide audit services for the company. Yang Qian and Zheng Rongfu were appointed as the signing certified public accountants to provide audit services for your company. In view of the work adjustment of the original signing certified public accountant Yang Qian, Zheng Rongfu and Liu Guojun are hereby appointed as the signing certified public accountants to be responsible for the audit of the financial statements of your company in 2021 and continue to complete the relevant work in accordance with the relevant provisions of the practice quality control system of the exchange.

2、 Resume, independence and integrity of the certified public accountant signing this change

1. Basic information

Certified public accountant signing the project: Liu Guojun, Chinese certified public accountant. He obtained the qualification of certified public accountant in 2013 and has been engaged in the audit of listed companies since 2012. He has been practicing in Dahua certified public accountants since 2012. He has signed the audit report of one listed company and one IPO project in recent three years.

2. Independence and integrity record

Mr. Liu Guojun has not violated the independence requirements of the code of professional ethics for Chinese certified public accountants, and has not been subject to criminal punishment, administrative punishment, administrative supervision measures and self-discipline sanctions in the past three years. Comply with the provisions of regular rotation and have no bad credit records.

3、 Other instructions

During this change, the relevant work arrangements will be handed over in an orderly manner, and the changes will not affect the audit of the company's annual financial statements in 2021.

4、 Documents for future reference

1. Dahua certified public accountants' letter on changing the signed certified public accountant of Shenzhen Hybio Pharmaceutical Co.Ltd(300199) Co., Ltd.

It is hereby announced.

Hybio Pharmaceutical Co.Ltd(300199) board of directors February 22, 2022

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