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just been published by the issuer in the Chinese section of this website, a corresponding version of which may or may not be published in this section

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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 company's announcement on the re-appointment of the accounting firm is for reference only.

Guangzhou Baiyunshan Pharmaceutical Group Co., Ltd.

board of directors

Guangzhou, China, April 27, 2026

As of the date of this announcement, the company’s board of directors includes executive directors Mr. Li Xiaojun, Mr. Chen Jiehui, Mr. Cheng Hongjin and Mr. Tang Heping.

and Mr. Li Hong, and independent non-executive directors Mr. Chen Yajin, Mr. Huang Min, Mr. Huang Longde and Ms. Sun Baoqing.

Securities code: 600332 Securities abbreviation: Baiyunshan Announcement number: 2026-023

Guangzhou Baiyunshan Pharmaceutical Group Co., Ltd.

Announcement on Re-appointment of Accounting Firm

The board of directors and all directors of the company guarantee that there are no false records, misleading statements or major omissions in this announcement, and will not We are legally responsible for the truthfulness, accuracy and completeness of its content.

Important content reminder:

●Name of the accounting firm to be appointed: Daxin Accounting Firm (Special General Partnership)

1. Basic information on the accounting firm to be appointed

(1) Institutional information

1. Basic information

Daxin Accounting Firm (Special General Partnership) (hereinafter referred to as "Daxin") was established in 1985

In March 2012, it was transformed into a special general partnership firm, headquartered in Beijing, registered in The address is Room 2206, Floor 22, No. 1 Zhichun Road, Haidian District, Beijing. Dasin has 33 branches nationwide

organization and established a branch office in Hong Kong. Daxin is one of the accounting firms engaged in securities services in China.

1. Have the qualification to audit A+H shares companies and have many years of experience in the securities business.

2. Personnel information

The chief partner is Xie Zemin. As of December 31, 2025, the total number of Dasin employees There are 3,914 people, including 182 partners and 1,053 certified public accountants. Certified Public Accountant, Super

Over 500 people have signed the securities services business audit report.

3. Business scale

Business revenue in 2024 is 1.575 billion yuan (RMB, the same below), serving more than 10,000

The company provides services. Among the business income, audit business income was 1.378 billion yuan, securities business income

405 million yuan. There are 221 audit clients of listed company annual reports in 2024 (including H shares), with average assets The amount was 19.544 billion yuan, and the total fees were 282 million yuan. Mainly distributed in manufacturing, information transmission, software

software and information technology services, electricity, heat, gas and water production and supply, scientific research and

Technical services industry, water conservancy, environment and public facilities management industry. Guangzhou Baiyunshan Pharmaceutical Group Co., Ltd.

Co., Ltd. ("Baiyunshan", "the Company") has 14 audit clients of listed companies in the same industry.

4. Investor protection capabilities

The cumulative compensation limit of occupational insurance and the accrued occupational risk fund exceed 200 million yuan.

The accrual of risk funds and the purchase of occupational insurance comply with relevant regulations.

In the past three years, Daxin has assumed civil liability due to its professional conduct, including Changxin Agricultural Loan and other four cases. accounting business, the investor litigation amount totaled 5.8151 million yuan, all of which have been fulfilled, and occupational insurance can

Enough to cover civil liability.

5. Integrity record

Daxin has not violated the independence requirements of the Chinese Code of Professional Ethics for Certified Public Accountants.

shape. In the past three years, he has been subject to 0 criminal penalties, 10 administrative penalties, and administrative supervision measures due to his professional conduct.

16 enforcement actions, 18 self-regulatory measures and disciplinary sanctions. 67 practitioners have suffered from professional injuries in the past three years The conduct received 0 criminal penalties, 25 administrative penalties, 34 administrative supervision measures, and self-discipline

Supervisory measures and disciplinary sanctions 46 persons.

(2) Project information

1. Basic information

(1) Project partner to be signed

He Xiaojuan, has Chinese certified public accountant, asset appraiser, certified tax agent, international registration Accountant qualification. He became a certified public accountant in 2004 and began to audit listed companies in 2002.

Accountant, started practicing in Daxin in 2020, and began to provide audit services for Baiyunshan in 2022, with Experience in securities business. He has signed audit reports for listed companies including Guangzhou Baiyunshan Pharmaceutical Group Co., Ltd.

Co., Ltd., Guangzhou Zhujiang Development Group Co., Ltd., Foshan Electrical and Lighting Co., Ltd.

Company, Dongjiang Environmental Protection Co., Ltd., etc.

(2) Certified public accountant to be signed

Wu Weiyang is a certified public accountant. Become a CPA in 2021, 2011

Started to engage in auditing listed companies in 2024, started practicing at Dasin in 2024, and started working for Baiyun in 2024 Shan provides auditing services and has 14 years of experience in the securities business. He once worked for Wen’s Food Group Co., Ltd.

Co., Ltd., Guangdong Expressway Development Co., Ltd., Guangzhou Zhiguang Electric Co., Ltd. Company, Qingyuan Technology Co., Ltd., Guilin Fuda Co., Ltd. and other listed companies provide financial services

Professional report auditing services. The audit reports of listed companies signed in the past three years include Guangzhou Baiyunshan Pharmaceutical Group

Tuan Co., Ltd. and Guilin Fuda Co., Ltd.

(3) Project quality control reviewer

Gong Fuguo, holds the qualification of Chinese Certified Public Accountant and has experience in securities business and quality control.

With experience in system review, he became a Chinese certified public accountant in 2007 and began to work on listed companies and Audit and quality review of listed companies, started practicing at Dasin in 2018. Signed or reviewed in the past three years

The securities business audit reports include Guangdong Anjie Supply Chain Management Co., Ltd., Guangdong Helinongsheng Species Industry Co., Ltd., Zhuhai Tianyue Technology Co., Ltd., Guangdong Hengdian Information Technology Co., Ltd.

Co., Ltd., etc.

2. Integrity record

The project partner to be signed, the signing certified public accountant, and the project quality control reviewer have all been registered in the past three years.

He has not been subject to criminal punishment for his professional conduct, and has not been punished by the China Securities Regulatory Commission, local agencies or industry authorities.

Administrative penalties, supervisory and management measures, and self-regulatory supervision by self-regulatory organizations such as stock exchanges and industry associations measures and disciplinary sanctions.

3. Independence

The project partner to be signed, the signing certified public accountant and the project quality control reviewer do not exist Violation of the independence requirements of the Chinese Code of Professional Ethics for Certified Public Accountants, failure to hold and purchase

Selling company stocks does not have any other economic interests that affect independence, and regular rotation complies with regulations.

4. Audit fees

The planned annual audit fee for 2026 is 3.525 million yuan (tax included), of which financial audit

The cost is 3.125 million yuan (tax included); the internal control audit fee is 400,000 yuan (tax included). trial The pricing principle of accounting fees is mainly based on the audit workload and in accordance with the market's fair and reasonable pricing principles.

It is determined that the audit fees in 2026 will not be significantly different from those in 2025.

2. Procedures to be followed by the accounting firm to be re-appointed

(1) Review opinions of the Audit Committee

The Audit Committee believes that: after verification, Daxin has qualifications such as securities and futures-related business licenses. Have the professional qualifications and competence to provide audit services for listed companies. Project members do not violate

In situations that violate the independence requirements of the Chinese Code of Professional Ethics for Certified Public Accountants, Daxin has sufficient The independence, integrity and investor protection capabilities of the company can meet the company's 2026 annual financial

In order to meet the requirements of the financial audit work and the internal control audit work in 2026, it is recommended to re-appoint Daxin as the company’s 2026

The annual financial audit agency and the internal control audit agency in 2026 will be submitted to the company’s board of directors for review.

(2) Review and voting by the board of directors

The thirty-fourth meeting of the ninth session of the Board of Directors of the Company passed with 9 votes in favor, 0 votes against, and 0 abstentions.

The right to review and approve the "About the Re-appointment of Daxin Accounting Firm (Special General Partnership) as the Company's Proposal on the Financial Audit Institution for 2026" and "On the Re-appointment of Daxin Accounting Firm (Special)

Special General Partnership) as the company’s internal control and audit institution in 2026" and agreed to make the proposal Submit it to the company's shareholders' meeting for review.

(3) Effective date

This time, the company’s financial audit institution for 2026 and the internal control audit institution for 2026 are re-appointed. The matter still needs to be submitted to the company's shareholders' meeting for review and will take effect from the date of approval by the company's shareholders' meeting.

Announcement is hereby made.

Board of Directors of Guangzhou Baiyunshan Pharmaceutical Group Co., Ltd. April 27, 2026