BAIYUNSHAN PH - An announcement has just been published by the issuer in the Chinese section of this website, a corresponding version of which may or may not be published in this section

The Company does not make any statement and expressly disclaims any liability arising out of or in reliance upon the whole or any part of the contents of this announcement. assumes no responsibility for any losses caused by the content.

Overseas regulatory announcement

This announcement is made in accordance with Rule 13.10B of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited.

This is to publish the information published by Guangzhou Baiyunshan Pharmaceutical Group Co., Ltd. (the "Company") on the website of the Shanghai Stock Exchange (www.sse.com.cn)

The full Chinese text of the External Information User Management System of Guangzhou Baiyunshan Pharmaceutical Group Co., Ltd. is for reference only.

Guangzhou Baiyunshan Pharmaceutical Group Co., Ltd.

board of directors

Guangzhou, China, July 9, 2026

As of the date of this announcement, the Company’s Board of Directors includes (i) Executive Directors Mr. Chen Jiehui, Mr. Yuan Cheng, Mr. Cheng Hongjin, Mr. Tang Heping;

Sheng, Ms. Liu Miao and Mr. Liu Hong; (ii) Non-executive Director Mr. Huang Jiyuan; and (iii) Independent non-executive Directors Mr. Huang Longde and Sun Baoqing Madam, Mr. Wu Xiangneng and Mr. Yang Yinbao.

Guangzhou Baiyunshan Pharmaceutical Group Co., Ltd.

External Information User Management System

(Deliberated and approved at the third meeting of the tenth board of directors of the company held on July 9, 2026)

Article 1 In order to strengthen the supervision of Guangzhou Baiyunshan Pharmaceutical Group Co., Ltd. ("the Company" "Company" or "Company") periodic reports, interim reports and major matters in the preparation, review and

During the disclosure period, the company’s external information users are managed in accordance with the Company Law and Securities Law. "Articles of Association", "Insider Information Insider Registration System" and Hong Kong Securities Supervision Rules

or guidelines (including but not limited to those issued by the Hong Kong Securities and Futures Commission "Insider Information Disclosure Guidelines") and other relevant regulations ("Relevant Regulations") are formulated to formulate this system.

Article 2 The information referred to in this system refers to all information on the company’s securities and their derivatives Information that may have a greater impact on the transaction price and has not yet been formally publicly disclosed, including but

Not limited to periodic reports, temporary reports, financial data, and insider information as stipulated in the Securities Law

Information and major matters that are being planned or need to be submitted for approval, etc. Article 3 The submission and use management of the company’s external information shall be managed by the company’s board of directors

The secretary office of the board of directors is responsible for handling the specific management of external information users. and daily filing work.

Article 4 Directors, senior managers and other relevant inside information of the company Lovers should abide by the "Information Disclosure Management Measures" and the "Insider Information Insider Registration System"

In accordance with the requirements of "Company's regular reports and planning of major events, we are responsible for ensuring confidentiality obligations. Periodic reports, interim reports and other major information shall not be published as

Leak to the outside world or specific persons in any form and through any means, including but not limited to performance Symposiums, analyst meetings, investor research interviews, etc.

Article 5 The company and its subsidiaries shall strictly implement the reporting of letters to external units. various information management requirements, and strengthen the management and disclosure of information submitted by external units. Public

The company and its subsidiaries report to specific external information users in accordance with laws and regulations.

Information must be provided no earlier than the disclosure time of the company's announcement, and the content disclosed in the announcement shall not be earlier than the disclosure time of the company's announcement. No less than the information content provided to external information users.

Article 6 The company shall regard relevant information that has not been disclosed but needs to be reported as inside information. External units (or relevant staff) and individuals should fill in the "Public Information Form" before accessing inside information.

Registration Form for External Information Users of the Company (see attachment) and fulfill confidentiality obligations, and ensure that all The authenticity and accuracy of the filled-in content. The Secretary's Office of the Board of Directors will save the filled-in information.

file.

Article 7 External information users shall not disclose information submitted by the company in accordance with laws and regulations. Undisclosed major information. Do not use the undisclosed major information obtained to buy or sell the company.

securities or recommend others to buy or sell the Company’s securities. Article 8 Before the disclosure of undisclosed information in accordance with the law, information insiders and illegally obtained

Anyone who obtains information that has not yet been made public may not disclose or leak the information, or use the information Engage in insider trading. No unit or individual may illegally require the company to provide information that has not been made public

information.

Article 9 The above-mentioned major information is leaked due to improper confidentiality by external information users. If it is revealed, the company’s board secretary should be notified immediately, and the company should report to Shanghai Securities as soon as possible

The Exchange, The Stock Exchange of Hong Kong Limited and relevant regulatory authorities report and make relevant Announcement.

Article 10 External information users shall not use unpublished information submitted by the company in documents. Disclosed information.

Article 11 Users of external information should strictly abide by this system. If they violate this system, and relevant regulations on the use of the company’s undisclosed information, the company’s board of directors will take appropriate action based on the severity of the case.

And the losses and impacts caused to the company will be traced in accordance with laws, regulations and normative documents. shall be held legally responsible; if a crime is suspected, the case shall be transferred to judicial authorities for handling.

Article 12 If matters are not covered in this system or conflict with relevant regulations, the matter shall be determined according to the national Relevant laws, regulations and the "Articles of Association", "Information Disclosure Management Measures" and "Insider Information"

"Informer Registration System" and other relevant regulations shall be implemented.

Article 13 The company’s board of directors has the right to make decisions in accordance with relevant laws, regulations and public According to the actual situation of the company, this system will be modified.

Article 14 This system will be implemented after being reviewed and approved by the company’s board of directors. By company director The committee will be responsible for the explanation.

Attachments:

Guangzhou Baiyunshan Pharmaceutical Group Co., Ltd. External Information User Registration Form

Securities code: Securities abbreviation:

Matters involved in submitting information to external parties (Note 1)

Basis for reporting information externally

Preface to provide to the outside world external external external external know know know letter letter

No. Name/Department Information Information Information Information Information Information

door use use use use letter location obtain public

Person's surname, person, witness, person and interest stage, take out

Name/Name of Securities Account Company (Note Qu Disclosure)

Weigh the number and the household's customs time 3) Daolu

Or enterprise relationship (Note: situation

Business representative 2) situation

code

Filling time:

External information users:

The company’s external information provider:

Company headquarters/subsidiary unit seal:

Note 1: In accordance with relevant laws, regulations and policy requirements, regular reports to relevant administrative

If the management department submits information, there will be no major changes in the reporting department or content.

In this case, they can be regarded as the same matter and registered in the same form for administrative management.

The name of the department and the time for continuing to register and submit information. Except for the above, the

Information provided to external parties should be reported on a one-by-one basis, that is, each reported external information should be

The employment list only involves one piece of information, and the external information users involved in different information

The list should be submitted separately for filing.

Note 2: External information users refer to persons other than company directors and senior managers and

Units other than company employees and their related personnel and individuals. Use of external information

If the person belongs to an organization, you must fill in the relationship with the company; if the person is a natural person, you must fill in all the

Belongs to unit departments, positions, etc.

Note 3: Fill in the stage of external reporting information, the company’s regular reports, temporary

Delivery, preparation, review and disclosure of timely reports and major matters.

Note 4: The company has identified external information users as insiders of the company’s inside information

Registration and filing.