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just been published by the issuer in the Chinese section of this website, a corresponding version of which may or may not be published in this section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 Company's 2025 Sustainability Report Summary is for reference only.

Guangzhou Baiyunshan Pharmaceutical Group Co., Ltd.

board of directors

Guangzhou, China, March 20, 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.

Sustainability Report Summary

Securities code: 600332 Securities abbreviation: Baiyunshan

Guangzhou Baiyunshan Pharmaceutical Group Co., Ltd.

2025 Annual Sustainability Report Summary

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Sustainability Report Summary

Section 1 Important Tips

1. This summary comes from Guangzhou Baiyunshan Pharmaceutical Group Co., Ltd. ("Company" or "Company") in 2025 The full text of the sustainability report, in order to fully understand the impact of the company’s environmental, social and corporate governance issues, For risks and opportunities, as well as the company’s sustainable development strategy and other related matters, investors should go to www.sse.com.cn Please read the full text of the company's 2025 Sustainability Report carefully.

2. This sustainability report was reviewed and approved by the company’s board of directors.

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Sustainability Report Summary

Section 2 Reporting Basic Situation

1. Basic information

Stock code 600332 Company abbreviation Baiyunshan

Company Name Guangzhou Baiyunshan Pharmaceutical Group Co., Ltd. With "Guangzhou Baiyunshan Pharmaceutical Group Co., Ltd." as the main body, covering this Reporting scope: The company’s subsidiaries and joint ventures. Unless otherwise specified, the reporting scope is the same as that of this company. The company's annual report is consistent.

Time frame 2025 Global Reporting Initiative Sustainability Reporting Guidelines (GRI Standards) The Stock Exchange of Hong Kong Limited's Environmental, Social and Governance Reporting Code Shanghai Stock Exchange's "Guidelines for Self-Regulation of Listed Companies No. 14 - May

Sustainability Report (Trial)》 Shanghai Stock Exchange "Self-regulatory Guidelines for Listed Companies No. 4 - Sustainability" Preparation of Continuing Development Report (Revised in January 2026)" Compilation basis The State-owned Assets Supervision and Administration Commission of the State Council "On the High-tech Enterprises of Central Enterprises in the New Era" Standard Guidance on Fulfilling Social Responsibility" State-owned Assets Supervision and Administration Commission of the State Council "ESG of Listed Companies Controlled by Central Enterprises" Special Report Reference Index System》 China Association of Public Companies "Guidelines for Sustainability Reporting of Listed Companies" China Enterprise Reform and Development Research Association Responsibility Cloud Research Institute "Chinese Enterprises Can Sustainability Reporting Guidelines (CASS-ESG6.0)

2. Sustainable development governance system

(1) Whether there is a governance body responsible for managing and supervising the impacts, risks and opportunities related to sustainable development: √Yes, The name of this governance body is the Board of Directors (in 2025, matters related to sustainable development will be comprehensively supervised and coordinated by the Board of Directors) make joint decisions with the special committees under its jurisdiction; in 2026, the company will continue to actively plan to add more For matters related to ESG governance functions, the special committee serves as the management and supervision agency for matters related to sustainable development) □No

(2) Whether an internal reporting mechanism for sustainable development information has been established: √Yes, the reporting method and frequency will be semi-annual on ESG Conduct regular statistics on indicator data; carry out relevant information recording, review and reporting work on a regular basis □No (3) Whether a sustainable development supervision mechanism has been established, such as internal control system, supervision procedures, supervision measures and assessment conditions? Conditions, etc.: √Yes, the relevant systems or measures are the "ESG Information Management Manual" and "ESG Indicator System Tools", the company The "Environmental, Social and Governance (ESG) Work Management Measures" have been drafted and planned to be released after review □No

3. Communication with stakeholders

Whether the company carries out stakeholder communication and disclosure through interviews, seminars, questionnaires, etc.: √Yes ☐No

Stakeholders Content of Concern Communication Method Government/Regulatory Agencies Operate in compliance with laws and regulations Discussions and questionnaires

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Sustainability Report Summary

Pay taxes according to law Support local development Protect the local environment

Shareholders/Investors Transparent Financial Information Disclosure Questionnaire Survey, Shareholders Meeting, Performance Strengthen risk management and control briefing session, Shanghai Stock Exchange E-interaction, investment Create economic value Investor hotline, email Customers Provide high-quality medicines and services Service hotline, questionnaire survey, industry

Information Security Protection Performance Briefing Session Partners/Suppliers Transparent and honest cooperation Service hotline, seminars, questionnaires Mutual support and win-win development inspection and training sessions Employees protect basic rights and interests, seminars, questionnaires, training sessions Smooth career development channels

Work-life balance Community/Public Promote regional development Service hotline, questionnaire Support charity Media person in charge of marketing seminars, service hotlines, questionnaires Open and transparent communication, performance briefing meeting

4. Dual importance assessment results

Serial number Company ESG report Importance analysis Corresponds to the Shanghai Stock Exchange’s sustainable development report Topic Name Guide Topic Name □Financial importance

1 Coping with climate change □Importance of impact Coping with climate change √Double importance

□Financial importance pollution emissions and waste 2 □Importance of impact Pollutant emissions Waste disposal √Double importance □Financial importance pollution emissions and waste 3 □Importance of impact Waste treatment Waste disposal √Double importance □Financial importance ecosystem and life 4 √Importance of impact Ecosystem and biodiversity protection biodiversity protection □Double importance □Financial importance 5 Environmental Compliance Management √Importance of Impact Environmental Compliance Management □Double importance □Financial importance 6 Resource Usage √Importance of Impact Energy Usage □Double importance

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Sustainability Report Summary

Serial number Company ESG report Importance analysis Corresponds to the Shanghai Stock Exchange’s sustainable development report Topic Name Guide Topic Name

□Financial importance 7 Resource Use √Importance of Impact Water Utilization □Double importance

□Financial importance 8 Resource use √Importance of impact Circular economy □Double importance

□Financial importance Product quality and safety 9 □ Impact Importance Product and Service Safety and Quality full √Double importance □Financial importance 10 R&D Innovation □Importance of Impact Innovation Driven √Double importance □Financial importance 11 Science and Technology Ethics □ Impact and Importance Science and Technology Ethics √Double importance

□Financial importance 12 Supply Chain Management □Impact Importance Supply Chain Security

√Double importance □Financial importance 13 Supply chain management √ Importance of impact Treat small and medium-sized enterprises equally

□Double importance □Financial importance 14 Responsible Marketing √Importance of influence and independent setting of topics

□Double importance □Financial importance Industry development and peace 15 √Impact importance and independent setting of topics Waiting for cooperation □Double importance □Financial importance Data security and customers 16 √Importance of impact Data security and customer privacy protection User privacy protection □Double importance □Financial importance Employee Rights and Welfare 17 □Impact Importance Employees profit √Double importance □Financial importance Employee occupational health 18 √Impact Importance Employees and security □Double importance 5/6

Sustainability Report Summary

Serial number Company ESG report Importance analysis Corresponds to the Shanghai Stock Exchange’s sustainable development report Topic Name Guide Topic Name

□Financial importance Employee career development 19 √Impact Importance Employees and training □Double importance □Financial importance 20 Rural Revitalization √ Importance of Impact Rural Revitalization □Double importance □Financial importance 21 Social Contribution √Importance of Impact Social Contribution □Double importance

□Financial importance 22 Due Diligence √Significance of Impact Due Diligence □Double importance

□Financial importance stakeholder gap 23 √Impact Importance Stakeholder Communication pass □Double importance □Financial importance Anti-commercial bribery and 24 □ Impact importance Anti-commercial bribery and anti-corruption Anti-corruption √Double importance □Financial importance 25 Anti-unfair competition √ Importance of impact Anti-unfair competition □Double importance

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