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康泰生物:2025年环境、社会和公司治理(ESG)报告(英文)

深圳证券交易所 04-22 00:00 查看全文

2025

ENVIRONMENTAL

SOCIAL AND GOVERNANCE

(ESG) REPORT

Shenzhen Kangtai Biological Products Co. Ltd.Company Website: www.biokangtai.com

Tel: 0755-26988558

E-mail: office@biokangtai.com

Address: Kangtai Group Building No. 222 Kefa Road Science Park Community Yuehai Subdistrict Nanshan District ShenzhenTable of Governance with Integri-01 ty for Steady and Sus- Synergy for a Harmoni-About BioKangtai 01 tainable Corporate Devel- 03 ous Value Ecosystemopment

Contents Sustainable Development Governance 04ESG Management 04 Standardized Governance 11 Employee Rights and Interests 30

Stakeholder Communication 05

Compliance and Risk Management 13 Training and Development 33

Material Topic Identification 06

Business Ethics 14 Occupational Health and Safety 33

Due Diligence 09

Information Security Protection 15 Rural Revitalization and Social Public Welfare 36

Pharmacovigilance 16 Health and Medical Accessibility 36

02 Efficient Operations for 04 Excellence in Innovation Green and Sustainable for Shaping the Future of Development the Industry

Appendices Climate Change Response 18 R&D and Innovation 38

About this Report 48 Environmental Compliance Management 21 Product Quality and Safety 41

ESG Performance Table 49 Pollutant Emission and Waste Disposal 23 Customer Relationship Management 44

ESG Indicator Index 51 Resource Utilization and Circular Economy 25 Supply Chain Management 45

Biodiversity Conservation 28 Collaboration with Industry Peers 47

CONTENTSEnvironmental Social and Governance (ESG) Report 2025 Part One Integrity Governance Efficient operation Coagulation symbiosis Innovation Excellence appendix 01

About BioKangtai

Founded in 1992 Shenzhen Kangtai Biological Products Co. Ltd. (Stock Code: 300601) is dedicated to the research and development production and sales of human vaccines. It has

now developed into an innovative biopharmaceutical enterprise with strong R&D capabilities a rich product portfolio a leading industrial scale and remarkable international develop-

ment in China.The Company has established 5 major R&D and industrial bases in Shenzhen and Beijing and built diversified R&D platforms covering live attenuated viral vaccines inactivated viral

vaccines genetic engineering protein vaccines bacterial polysaccharide vaccines bacterial polysaccharide conjugate vaccines combined vaccines viral vector vaccines mRNA

vaccines and new adjuvant technologies laying a solid foundation for the transformation of cutting-edge vaccine technology achievements into practical applications.Relying on its strong technological reserves and achievement transformation capabilities the Company has 14 products approved for market launch or emergency use including core

varieties such as the world’s first 60 μg hepatitis B vaccine the “Dual-Carrier 13-Valent Pneumococcal Polysaccharide Conjugate Vaccine” and China’s first approved “Four-DoseRegimen” Human Diploid Cell Rabies Vaccine. Its marketing and distribution network covers 31 provinces autonomous regions and municipalities directly under the Central Govern-

ment of China. In addition the Company has continuously improved its “short?term + medium?term + long?term” stepped R&D pipeline with nearly 30 pipeline candidates under

development including pentavalent vaccines hexavalent vaccines quadrivalent inactivated enterovirus vaccines (Vero cells) 24?valent pneumococcal vaccines Klebsiella pneumoni-

ae vaccines and recombinant hepatitis B vaccines (Saccharomyces cerevisiae 60μg) for preventing HBsAg reversion in patients with chronic hepatitis B who have achieved clinical

cure Respiratory Syncytial Virus(RSV) vaccineRSV-human metapneumovirus(hMPV) combined vaccine and so on basically covering all key vaccine categories worldwide.The Company has deeply pursued an internationalization strategy and successively signed cooperation agreements with partners from more than 20 countries forming an interna-

tional cooperation network covering Southeast Asia South Asia the Middle East Central Asia Africa Eastern Europe Latin America and other regions promoting an upgrade from

“product export” to “technology export”. By building a diversified international cooperation network and overseas marketing system the Company has continuously expanded into

emerging markets enhanced global vaccine supply capacity supported the development of public health systems in developing countries and helped narrow the global health gap.In the future the Company will be driven by the dual engines of innovative R&D and globalization strengthen breakthroughs in cutting-edge technologies and iterative pipeline

reserves keep abreast of cutting-edge trends and industrial transformation opportunities in the biomedical sector and deploy high-quality tracks aligned with its development

strategy and industrial layout to consolidate its core competitive advantages. Meanwhile it will accelerate its global strategic layout expand overseas markets enhance international

competitiveness strive to become a world-renowned multinational biopharmaceutical enterprise and contribute greater strength to the global public health cause.Corporate Culture

Corporate Tenet Core Values Corporate Vision

Create better vaccines benefit human Integrity Efficiency InnovationSynergy To become a century-old multinational biopharmaceuti-

health. Excellence. cal group leading domestically and internationallyEnvironmental Social and Governance (ESG) Report 2025 Part One Integrity Governance Efficient operation Coagulation symbiosis Innovation Excellence appendix 02

Development History

20182019202120222023202420252026

BioKangtai Park in Guang- The 23-Valent Pneumo- The COVID-19 Inactivated Vaccine was The production base of the Recombi- TThe Freeze-dried Human The Live Attenuated Varicella Vaccine Sabin strain inactivated poliomy- Quadrivalent influenza virus split

ming District Shenzhen coccal Polysaccharide approved for emergency use in China. nant COVID-19 Vaccine (Y25 Adenovi- Rabies Vaccine (Human obtained the drug registration certificate. elitis vaccine (Vero cells) has vaccine and adsorbed tetanus

was officially put into use. Vaccine obtained the

The Recombinant COVID-19 Vaccine rus Vector) obtained a Certificate of Diploid Cell) obtained the The International Industrial Base for New obtained the Drug Registration vaccine has obtained the Drug

GMP certificate and was

(Y25 Adenovirus Vector) obtained Compliance issued by a Qualified drug registration certificate. Vaccines Project of Beijing Minhai Certificate. Registration Certificate.launched on the market.Emergency Use Authorization (EUA) Person (QP) of the European Union. Biotechnology Co. Ltd. was officially put

from the Badan Pengawas Obat dan The vaccine production base in into use.Makanan (BPOM). Guangming District Shenzhen Kangtai Innovation Plaza the Group's

The 13-Valent Pneumococcal Polysac- obtained a GMP Certificate of Compli- headquarters building was put into use

charide Conjugate Vaccine obtained the ance issued by the Food and Drug and positioned as an important R&D and

drug registration certificate. Administration of the Philippines. headquarters agglomeration center for

the biotech industry in Shenzhen.

2017201520142013201220112010

The Company was listed on Beijing Minhai Biotechnolo- The hepatitis B vaccine obtained GMP certification in The Measles and Rubella Combined The Haemophilus Influenzae Type b The 20 μg/1.0ml/dose hepatitis B The first 60 μg/1.0ml/dose hepatitis B

the ChiNext Board of the gy Co. Ltd. established the accordance with the 2010 Edition Standards. Live Attenuated Vaccine obtained Conjugate Vaccine obtained GMP vaccine for adult use was successfully vaccine for non-responder adults in

Shenzhen Stock Exchange. National and Local Joint

The Haemophilus Influenzae Type b Conjugate Vaccine GMP certification. certification. developed. China was successfully developed.Engineering Laboratory for

(prefilled syringe)obtained GMP certification. The Postdoctoral Research Worksta- The Diphtheria Tetanus Acellular The 10 μg/0.5ml/dose hepatitis B The hepatitis B vaccine obtained GMP

New Vaccine Development

The Company introduced Inactivated Poliomyelitis Vaccine tion was established at Beijing Minhai Pertussis and Haemophilus Influenzae vaccine for pediatric use was success- certification for the third time.Technologies.technology in cooperation with Intravacc of the Nether- Biotechnology Co. Ltd. Type b Combined Vaccine obtained fully developed.lands and the World Health Organization (WHO). GMP certification.Beijing Minhai Biotechnology Co. Ltd. established the

Beijing Engineering Technology Research Center for New

Combined Vaccines the Academician Expert Workstation

and the Beijing International Science and Technology

Cooperation Base for New Vaccines.

19921994199520002002200420052008

BioKangtai was The 5 μg hepatitis B vaccine was The 5 μg/0.5ml/dose hepatitis B vaccine The hepatitis B vaccine The 10 μg/1.0ml/dose hepatitis The first hepatitis B The 10 μg/0.5ml/dose hepatitis B vaccine for adult use was After strategic reorganization

founded. successfully trial-produced and met the quality standards of Merck & Co. obtained GMP certifica- B vaccine for adult use was vaccine with a three-year newly launched to replace the 10 μg/1.0ml/dose specification. Beijing Minhai Biotechnology Co.passed the acceptance inspection Inc. of the United States and obtained the tion for the first time. successfully developed. validity period in China The hepatitis B vaccine obtained GMP certification for the Ltd. became a wholly-owned

by the Ministry of Health. trial production approval certificate from was successfully second time. subsidiary of BioKangtai.the Ministry of Health. developed.Environmental Social and Governance (ESG) Report 2025 Part One Integrity Governance Efficient operation Coagulation symbiosis Innovation Excellence appendix 03

Corporate Honors 2025

BioKangtai

The Second Batch of Shenzhen Shenzhen Guangcai Program 2025 Top 100 Industry Leader

Manufacturing Single Champion Contribution Award Enterprises in Shenzhen Caring Enterprise

Enterprises (2025–2028)

Industry and Information Technology Bureau of CPC Shenzhen Municipal Committee Shenzhen Shenzhen Industry Leader Corporate Development Federation of Industry and Commerce (Chamber of Com-

Shenzhen Municipality Municipal People’s Government and Promotion Association Shenzhen Economic Daily merce) Matian Subdistrict Guangming District Shenzhen

Caring Enterprise “Excellent Council Member” of

Outstanding Contribution Award 2025 Shenzhen Green Factory Shenzhen Biomedical Indus-

try-Education Alliance

Federation of Industry and Commerce (Chamber of Com- Industry and Information Technology Bureau of Shenzhen Biomedical Industry-Education

merce) Matian Subdistrict Guangming District Shenzhen Shenzhen Municipality Alliance

BioMinhai

Second Prize of Beijing Science Beijing Key Laboratory of Beijing Intellectual Property Second Prize of Jiangsu Science

and Technology Progress Award Synthetic Immunology and Advantage Unit and Technology Progress Award

Vaccine Manufacturing

Beijing Municipal Science and Beijing Municipal Intellectual People's Government of Jiangsu

People's Government of Beijing Municipality Technology Commission Property Office Province

Beijing Low-Carbon Leader 2025 Top 100 Private Enterprises 2025 Top 100 Cases of Social

Excellent Unit in Beijing for Scientific and Responsibility of Private Enter-

National Green Factory

Technological Innovation prises in Beijing

Beijing Municipal Bureau of Ecology Federation of Industry and Commerce Federation of Industry and Commerce Ministry of Industry and Information Technology

and Environment of Daxing District of Daxing District of the People's Republic of ChinaEnvironmental Social and Governance (ESG) Report 2025 Part One Integrity Governance Efficient operation Coagulation symbiosis Innovation Excellence appendix 04

Sustainable Development Governance

Key Performance

ESG Man- Guided by the concept of sustainable development the Company regards ESG management as a critical element of corporate development and actively engages in the development of the ESG system with a long-term strategic vision. To further strengthen ESG governance the Company

agement During the reporting period the Companyhas incorporated ESG responsibilities into the functions of the Strategy Committee and defined its ESG management duties and authority in the

Detailed Rules for the Work of the Strategy Committee of the Board of Directors. 7

ESG training sessions and seminars

Level Composition Responsibilities

Decide on and approve the Company’s ESG strategy to ensure alignment with the Company’s long-term

development strategy;

Review and approve the Company’s ESG policies objectives and key performance indicators and supervise

Board of Directors/Strate- their implementation;

gy Committee of the

Decision-Making Level Board of Directors Oversee the identification assessment and management of material ESG risks and opportunities of the

Company;

Review and approve the Company’s annual sustainable development report and other material ESG disclo-

sures.Review the Company’s ESG strategy objectives policies and material topics and report to the Board of

Directors and its special committees;

Examine the assessment results of material ESG risks and opportunities and coordinate various depart-

ments to formulate countermeasures;

ESG Working Group

Management Level Review the Company’s annual sustainable development report to ensure its completeness and accuracy;

Promote the consistent implementation of the ESG strategy at all levels of the Company and coordinate

ESG-related work among various departments.Implement the Company’s ESG strategic plans in light of respective businesses improve ESG policies of

various departments and advance the achievement of ESG objectives; Risk and Opportunity Identification

Conduct ESG risk identification assessment and control for respective businesses and report material risks

in a timely manner; The Company assesses environment- social- and governance-related risks and

Relevant Departments Regularly collect and analyze ESG-related data and report on the completion of ESG performance; opportunities in accordance with the COSO Enterprise Risk Management Frame-

Implementation Level

Cooperate in the completion of ESG information disclosure project implementation stakeholder engage- work conducts identification supervision and management of ESG gover-

ment and other tasks; identify and promote ESG best practices participate in training and facilitate experi- nance-related topics and activities and promotes the effective implementation

ence sharing and continuous improvement among various departments. of the sustainable development strategy. In 2025 the Company did not experi-

ence any material risk incidents in the ESG domain.Environmental Social and Governance (ESG) Report 2025 Part One Integrity Governance Efficient operation Coagulation symbiosis Innovation Excellence appendix 05

Stakeholder Communication

The Company understands and responds to the expectations and demands of various stakeholders through standardized and systematic stakeholder communication procedures so as to enhance the Company’s operation and management capabilities and sustainable development

capacity.Stakeholders Shareholders and Investors Government and Regulatory Authorities Management Level Employees Customers Partners Community Partners

Investors Governments and competent Members of the Board of Ordinary employees Domestic and Suppliers Surrounding communities

authorities at all levels Directors overseas customers

Potential investors Contractors Universities and research

Shenzhen Stock Exchange Senior Management Partners institutions

Stakeholder China Securities Regulatory Department Heads ESG rating agencies

Representatives Commission Media

Industry associations etc.Corporate business and funda-

mentals Law-abiding and compliant Strategic implementation Competitive salary and welfare Product quality and delivery Technical strength and Contribution to sustainable

operations and market competitive- benefits capability cooperation stability community development

Strategic development direction

Response to climate change ness of the Company Comprehensive training system Information security and Fair impartial open and Sharing of corporate develop-

of the Company

and carbon neutrality Efficient corporate privacy protection transparent procurement ment achievements

Stakeholder Open and transparent career

Concerns Financial performance and market Contributions to local management structure development paths Green and low-carbon

environment Reduction of environmental

prospects of the Company economic and industrial Profitability of the Workplace health and safety products Technical empowerment and impact

development industrial development

Corporate governance and risk Company

management capabilities Market and sales support

Information disclosure Information disclosure Regular work reports Labor unions Pre-sales communication Supplier training Face-to-face communication

Shareholders’ meetings Participation in relevant Management meetings Email addresses After-sales service On-site audits and communi- Public welfare activities

meetings Specialized training Enterprise collaborative cation

Investor research roadshows and Routine communication (e.g. Hotlines for complaints

Communication Communication through strategy conferences Email addresses

office platform

customer visits) Project cooperation

and Engagement industry associations and Media briefings

Methods other institutions Enterprise collaborative Hotline and email Third-party training Regular visits

office platform Regular communication and

Hudongyi Platform Supervisory Check for Customer audits feedback

Compliance

Performance briefings and other Project cooperation

communication activities

Official websites official

WeChat accounts and other

public channelsEnvironmental Social and Governance (ESG) Report 2025 Part One Integrity Governance Efficient operation Coagulation symbiosis Innovation Excellence appendix 06

Material Topic Based on the topics covered in the Self-Regulatory Guidelines for Listed Companies on the Shenzhen Stock Exchange No.17 – Sustainable Development Reports (for Trial Implementation) (hereinafter referred to as the “Guidelines”) the

Company conducts an in-depth analysis of its business structure and operation model carries out research and analysis on stakeholders through surveys and systematically identifies material topics that are intrinsically closely linked to

Identification the Company’s business activities and occupy a prominent position in the stakeholder concern matrix.Aspect Definition Materiality Analysis Dimension

Whether the Company’s performance on the relevant topic may have actual or poten- * Likelihood of occurrence of the impact

Impact Materiality

tial material impacts on the economy society and the environment. * Scale scope and irreparability of the impact

Whether the topic is expected to exert material impacts on the Company’s business

* Likelihood of occurrence of the impact

Financial Materiality model business operations development strategies financial position operating

results cash flows financing methods and costs in the short medium and long term. * Extent of financial impact

BioKangtai Dual Materiality Analysis Process for Topics

Step 1 Step 2 Step 3 Step 4

Background Identification Topic Materiality Assessment

Establishment of Topic List Topic Reporting

and Understanding and Confirmation

*Analyze macroeconomic *Conduct preliminary identifica- *Conduct material topic *The Company synthesizes the

policies and regulatory tion screening and definition of assessment and confirmation questionnaire analysis results of

requirements to fully relevant sustainable development through research interviews topic materiality and expert scoring

understand the Company’s topics by combining standard and other methods and by opinions to form a dual materiality

sustainable development benchmarking peer benchmarking referring to internal and topic matrix. Upon review and

background; and policy analysis; external expert opinions. confirmation by the Company’s

management the dual materiality

*Identify key stakeholders *Analyze the actual and potential

topics for 2025 will serve as key

affected. impacts risks and opportunities

disclosure items in this report.involved in material topics.Environmental Social and Governance (ESG) Report 2025 Part One Integrity Governance Efficient operation Coagulation symbiosis Innovation Excellence appendix 07

Topic List ESG Topic Library of BioKangtai 2025

In the process of identifying material topics for 2025 BioKangtai has fully considered the following five factors identified and selected ESG Topic Library of BioKangtai 2025

25 topics in light of the Company’s actual operations and analyzed the impacts risks and opportunities of each topic.

Climate Change Response Pollutant Emission and Waste Disposal Ecosystem and Biodiversity Conservation

Environmental Environmental Compliance Management Energy Utilization Water Resource Utilization Circular Economy Clean-

Dimension Analysis Logic er Production Biosafety

R&D and Innovation Tech Ethics Product and Service Safety and Quality Supply Chain Security Equal Treatment

Focusing on the international strategy of steady progress featuring the parallel develop- Social for SMEs Employees (Protection of Employee Rights and Interests Employee Training and Development Occupa-

ment of “bringing in” and “going global” the Company sorts out ESG topics highly tional Health and Safety) Rural Revitalization Social Contribution Health and Medical Accessibility

Corporate Development Strategy relevant to its core competitiveness and future development direction. Due Diligence Stakeholder Communication Anti-Commercial Bribery and Anti-Corruption Anti-Unfair Competi-

Corporate

tion Compliant Operation and Risk Management Data Security and Customer Privacy Protection Pharmacovigi-

Governance

lance

In accordance with national and local laws regulations and policy documents the

Company extracts ESG topics binding or guiding various business segments to ensure

Macroeconomic Policies that topic setting complies with policy orientations. Impact Materiality Assessment

In accordance with the Guidelines the Company assesses the impact materiality of sustainable development-related topics from the two

dimensions of likelihood and severity of impacts. Among them the likelihood of impact is assessed from the three dimensions of impact

By identifying major stakeholder groups and combining their key concerns and commu-

scale scope and irreparability.nication methods the Company defines ESG topics requiring key responses to enhance

Stakeholder Identification

the responsiveness and relevance of topics. The Company has identified the key concerns of different stakeholders ranked the impact materiality of the 25 topics on BioKangtai in

and Response

combination with expert judgments and derived a list of impact material topics in accordance with the set impact materiality threshold.Topics with Impact Materiality

With reference to mainstream ESG rating and disclosure standards including MSCI SASB

and the Shenzhen Stock Exchange the Company ensures that topic selection features

Rating and Information

international vision and industry applicability.Disclosure Guidelines 1 Climate Change Response 1 R&D and Innovation 1 Pharmacovigilance

2 Energy Utilization 2 Product and Service Safety 2 Anti-Commercial Bribery and

and Quality Anti-Corruption

3 Circular Economy

By benchmarking the disclosure priorities of peers on ESG topics the Company ensures 3 Supply Chain Security 3 Compliant Operation and Risk4 Cleaner Production

that topic setting is industry-comparable and forward-looking. Management

Peer Benchmarking Analysis 4 Employees5 Environmental Compliance

Management 4 Data Security and Customer5 Health and Medical Accessibility

Privacy Protection

6 Pollutant Emission and Waste 6 Equal Treatment for SMEs

Disposal 5 Stakeholder Communication

7 Tech Ethics

7 Biosafety 6 Due Diligence

8 Rural Revitalization

8 Water Resource Utilization 7 Anti-Unfair Competition

9 Social Contribution

9 Ecosystem and Biodiversity

ConservationEnvironmental Social and Governance (ESG) Report 2025 Part O前n篇e Integrity Governance Efficient operation Coagulation symbiosis Innovation Excellence appendix 08

Financial Materiality Assessment

The Company assesses the financial materiality of sustainable development-related Topics with Financial Materiality

topics across three time horizons: short term (within 1 to 2 years inclusive) medium term

(3 to 5 years inclusive) and long term (more than 5 years) from the two aspects of

likelihood of occurrence and extent of financial impact.

1 Climate Change Response 1 R&D and Innovation 1 Pharmacovigilance

In the specific analysis process the Company has set judgment values for the extent of

2 Energy Utilization 2 Product and Service Safety and Quality

financial impact based on historical pre-tax profits analyzed the likelihood of occurrence

of risks and opportunities of each topic in the short medium and long terms and their 3 Supply Chain Security

impact on financial expectations ranked the financial materiality of the 25 topics with

reference to expert opinions and derived a list of financial material topics in accordance

with the set financial materiality threshold.Topic Materiality Assessment Results E

Environmental Compliance Management Pollutant Emission and

The Company has comprehensively summarized the impacts risks and opportunities of

Waste Disposal Biosafety Water Resource Utilization Circular

material topics and disclosed relevant management actions and effectiveness in this

Economy Cleaner Production

report. For topics with financial materiality the Company conducts focused disclosure in

accordance with the four-element framework of “Governance” “Strategy” “Impacts R&D and Innovation Product and ServiceSRisks and Opportunities Management” and “Indicators and Targets”. Safety and Quality

Employees Health and Medical Accessibility Equal Treatment for

SMEs Tech Ethics

G

Anti-Commercial Bribery and Anti-Corruption Compliant Opera-

Supply Chain Security Pharmacovigilance Energy Utilization

tion and Risk Management Data Security and Privacy Protection

Stakeholder Communication Due Diligence

Ecosystem and Biodiversity Conservation Rural Revitalization

Climate Change Response

Social Public Welfare Anti-Unfair Competition

Financial materiality to the companyMateriality of impact on the economy society and environmentEnvironmental Social and Governance (ESG) Report 2025 Part One Integrity Governance Efficient operation Coagulation symbiosis Innovation Excellence appendix 09

Due Diligence

Topic Impact Scope Impacts Risks Opportunities Impact Cycle Management Strategies

Upstream Operations Downstream Short-term Medium-term Long-term

Large investment in R&D pipeline with uncertain Incremental revenue brought by the launch of multiva- Dynamically adjust R&D strategies according to key

Cost increase / commercialization technological platforms lagging lent combination vaccines milestones continuously invest in cutting-edge

R&D and Innovation Revenue behind competitors and pressure on long-term and blockbuster new products; platform technologies technology platforms and promote international

growth competitiveness. such as mRNA lay the foundation for future growth. certification.Implement comprehensive quality management

Product and Cost increase / Unqualified batch release challenges to quality Intelligent manufacturing and full-process traceability realize full life cycle traceability based on digitaliza-

Service Safety and Revenue consistency brought by scale expansion and enhance regulatory trust; application of new technolo- tion and continuously optimize by benchmarking

Quality reduction decrease of public trust caused by industrial crises. gies drives quality iteration. international standards.Risk of supply disruption due to import dependence

Cost increase / Domestic substitution reduces costs; IoT monitoring Implement multi-source supply and safety stock

Supply Chain on key materials impact of extreme weather on

Revenue and intelligent early warning improve resilience; green strategies promote domestic substitution and build a

Security cold-chain logistics and increasingly stringent ESG

reduction supply chain facilitates global market access. digital emergency and green logistics system.compliance requirements.Regulatory penalties and public opinion crises

Cost increase / Active monitoring accumulates real-world data to Build a multi-channel monitoring system implement

Pharmacovigilance caused by improper handling of adverse reactions;

Revenue support product improvement; efficient emergency dual risk assessment and improve the compensation amplified impact of incidents due to public sensitiv-

reduction mechanism enhances public trust. mechanism based on commercial insurance.ity.Cost increase / Rising energy prices push up costs supply shortag- Energy-saving technological transformation reduces

Establish an energy management system improve

Energy Utilization

Cost saving es cause production interruptions and carbon unit energy consumption; application of renewable

metering and optimize processes and promote

trading increases compliance burdens. energy cuts long-term electricity costs. renewable energy substitution.Strengthen climate change risk assessment and

Extreme weather impacts facilities and logistics

Cost increase / Low-carbon vaccines meet emerging demands; response capacity development formulate emergen-

Climate Change carbon policies increase compliance costs and Revenue climate-resilient supply chain enhances robustness; cy rescue plans for extreme weather establish an

Response reduction climate-related information disclosure require- improved ESG rating boosts financing attractiveness. emergency response mechanism and optimize

ments become stricter. cold-chain logistics.Analysis Table of Impacts Risks and Opportunities of Financially Material Topics of BioKangtai in 2025Environmental Social and Governance (ESG) Report 2025 Part One Integrity Governance Efficient operation Coagulation symbiosis Innovation Excellence appendix 10

Governance

with Integrity

for Steady and

Sustainable

Corporate

Development

Key ESG Topics in this Chapter

Standardized Governance

Internal Control Compliance and Risk Management

Business Ethics

SDGs Addressed

Information Security Protection

PharmacovigilanceEnvironmental Social and Governance (ESG) Report 2025 Part One Integrity Governance Efficient operation Coagulation symbiosis Innovation Excellence appendix 11

Standardized Governance 2025 Performance

Shareholders’ Meeting

general meetings of

*The Company convenes and holds general meetings of shareholders in shareholders

Governance Structure strict accordance with the Company Law the Rules for General Meetings of

Shareholders of Listed Companies the Articles of Association the Rules of 4

Procedure for General Meetings of Shareholders and other relevant

In accordance with the requirements of laws and regulations including the Company Law of the People’s Republic of China the Securities provisions. It treats all shareholders equally provides convenient conditions

Law of the People’s Republic of China and the Self-Regulatory Guidelines for Listed Companies of Shenzhen Stock Exchange No.2–Stan- for shareholders to attend general meetings and ensures the full exercise adopted proposals

dardized Operation of GEM Listed Companies BioKangtai has established a well-defined and mutually constraining governance structure of shareholders’ rights.composed of the general meeting of shareholders the board of directors (with various special committees thereunder) and the management 29

team. The Company has formulated the Rules of Procedure for the General Meeting of Shareholders the Rules of Procedure for the Board of *In terms of the protection of minority shareholders’ rights and interests

Directors and the Working Rules for the President which specify the responsibilities authorities rules of procedure and decision-making the Company fully listens to the opinions and suggestions put forward by

procedures of the general meeting of shareholders the board of directors and the management team so as to ensure the standardized attending minority shareholders. When reviewing material matters affect-

operation of the Company. ing the interests of minority investors it conducts separate voting counting

for the voting results of minority investors and no decision-making acts

impair the interests of minority shareholders.General Meeting of Shareholders

Strategy Committee

2025 Performance

Secretary of the Nomination Committee

Board of Directors Board of Directors Board of Directors

Remuneration and Evaluation Committee meetings of the Board of

Chairman of the Board *The Board of Directors consists of 7 directors including 3 independent Directors

Audit Committee directors and 1 employee representative director. The number and compo-

sition of the Board of Directors comply with the provisions of laws regula- 7

President Pharmaceutical Safety Committee tions and the Articles of Association. The Board of Directors has established

an Audit Committee a Nomination Committee a Remuneration and Evalu-

ation Committee and a Strategy Committee. Each committee has clear attendance rate of

responsibilities and performs its respective duties providing professional directors

support and supervision for the decision-making of the Board of Directors

and effectively improving the Company’s governance efficiency. 100%

*The backgrounds of the Company’s directors cover diversified fields such

as industry and operation management risk management financial

accounting etc. with differentiated educational backgrounds professional

adopted proposals

experiences skills and age structures. Such diversity ensures multi-dimen-

sional perspectives and complementary advantages in key areas including

strategic planning risk management and control and innovative develop- 64

ment laying a solid foundation for scientific decision-making and sustain-

able development.Audit Department

Pharmacovigilance Department

Supply Chain Department

International Business Division

Marketing Center

R&D Center

Biosafety Office

Production & Operation Center

Quality Management Center

Public Affairs Department

Corporate Development Department

General Manager Office

Human Resources Department

Finance Center

Securities Affairs DepartmentEnvironmental Social and Governance (ESG) Report 2025 Part One Integrity Governance Efficient operation Coagulation symbiosis Innovation Excellence appendix 12

Investor Rights Protection

Investor Communication Information Disclosure Management Shareholder Returns

The Company formulates and implements the Information Disclosure The Company has formulated and improved the Information Disclosure While promoting its own development the Company has formulated a scien-

Management System and the Investor Relations Management System to Affairs Management System the Inside Information Insider Registration tific and stable profit distribution policy based on its actual development and

carry out investor relations management and information disclosure in an Management System the Information Disclosure Suspension and Exemption future development plans and actively repays shareholders through continu-

orderly manner treats all investors equally and fully safeguards the legitimate Affairs Management System and other systems and established a systematic ous cash dividends. In June 2025 the Company implemented the 2024 annual

rights and interests of investors such as the right to information. information disclosure management system to ensure the truthful accurate equity distribution with a cash dividend of 101 million yuan accounting for

The Company focuses on building a professional investor relations manage- complete timely and fair delivery of information. During the reporting period 49.85% of the net profit attributable to shareholders of the listed company in

ment and value communication system and unblocks two-way communica- there were no false records misleading statements material omissions or 2024. For the 2025 fiscal year the Company plans to distribute a cash

tion channels in the capital market. Through diversified communication other improper disclosures in the Company’s information disclosure dividend of 0.35 yuan per 10 shares (tax included) to all shareholders with a

channels including the official website hotline e-mail Hudongyi platform effectively protecting the legitimate rights and interests of investors. With total proposed cash dividend of 39.0925 million yuan (calculated based on

general meetings of shareholders performance briefings analyst meetings high-standard information disclosure requirements and practices the the share capital as of March 31 2026) accounting for 55.58% of the net

roadshows reception of visits and seminars the Company conducts open Company was awarded the highest rating – Grade A – in the 2024–2025 profit attributable to shareholders of the listed company in 2025. The

and transparent communication with investors conveys the Company’s Information Disclosure Evaluation of Shenzhen Stock Exchange Listed dividend plan is subject to deliberation and approval by the general meeting

strategic value and growth logic and enhances investors’ value recognition. Companies released by the Shenzhen Stock Exchange. of shareholders before implementation. Since its listing the Company has

accumulated cash dividends of 1.925 billion yuan (including the proposed

2025 dividend) with the total accumulated cash dividends accounting for

45.24% of the total accumulated net profit attributable to shareholders of the

listed company.Executive Compensation Management

The Remuneration and Evaluation Committee of the Company’s Board of Directors is responsible for formulating the Remuneration Management System for Directors and Senior Management

which has been deliberated and adopted by the Board of Directors and the general meeting of shareholders. The system stipulates that executive compensation consists of basic salary perfor-

mance-based salary insurance and benefits medium and long-term incentive income etc. which are comprehensively determined based on factors such as the Company’s operating conditions

job responsibilities personal capabilities and performance appraisal. Among them the proportion of performance-based salary shall in principle not be less than 50% of the total amount of basic

salary and performance-based salary and a certain proportion of performance-based salary shall be withheld to determine the actual payable proportion and complete payment after the

disclosure of the annual report and performance evaluation based on the performance appraisal results. Performance evaluation is conducted based on audited financial data which closely

integrates personal interests with the interests of shareholders and the Company so as to motivate the core team and improve operating efficiency.Environmental Social and Governance (ESG) Report 2025 Part One Integrity Governance Efficient operation Coagulation symbiosis Innovation Excellence appendix 13

Compliance and Risk Management

Compliant Operation Risk Management

The Company upholds the compliance philosophy of “Compliance Starts from The Company has formulated the Risk Management and Internal Control System Manual and established the “Three Lines of Defense” risk governance structure. It timely identifies

Senior Management Voluntary Compliance by All Employees and Compli- and systematically analyzes internal and external risks in business activities and develops a risk management inventory.ance Creates Value”. It has formulated the Compliance Management System

to regulate compliance management practices established a compliance

First Line of Defense: Second Line of Defense: Third Line of Defense:

management team and incorporated the effectiveness of compliance All departments and subsidiaries Comprehensive Risk Management Office Comprehensive Risk Management Leading Group

management into the performance appraisal of senior management depart-

ment heads and employees. In addition the Company actively fosters a

compliance culture through organizing compliance training distributing *Identify risks in daily business activities *Organize the collection of various *Formulate the overall objectives of risk

compliance manuals signing compliance commitment letters and other and assess and report identified risks; internal and external risk information; management and determine the Compa-

means establishes the values of law-abiding compliance and integrity and ny’s risk appetite and risk tolerance;

consolidates the ideological foundation for compliant operation. *Implement approved risk response plans *Organize risk assessment formulate

and timely feedback on risk response and risk management strategies and super- *Review and approve the risk assess-

resolution results; vise the implementation of various risk ment results and solutions for major

*Monitor identified risks conduct reassess- controls; matters as well as the annual comprehen-

Key Performance ment when changes occur and take corre- *Regularly report risk management

sive risk management work report.sponding measures based on newly identi- information to the Risk Management

Number of employees Total hours of Number of compli- fied and assessed risk levels. Leading Group and compile the compre-

receiving compliance employee compliance ance training hensive risk management report.training training sessions organized

by the Company

15042

Tax Payment in Accordance with the Law

The Company strictly abides by the Tax Collection and Administration Law of the People’s Republic of China the Implementation Rules for the Tax Collec-

tion and Administration Law of the People’s Republic of China and other relevant provisions exercises strict control over tax-related work standardizes

the management of tax payment matters invoice management tax file management and other work reduces tax risks and ensures tax compliance.Environmental Social and Governance (ESG) Report 2025 Part One Integrity Governance Efficient operation Coagulation symbiosis Innovation Excellence appendix 14

Business Ethics Supervision Over Commercial PartnersAgainst Corruption and Bribery

The Company signs the Promoter Compliance Commitment Letter and the

Promoter Employee Compliance Commitment Letter with its promoters explic-

Anti-Commercial Bribery and Anti-Corruption itly requiring promoters of Kangtai Minhai and their employees not to conduct

any commercial bribery acts. Meanwhile the Company clearly stipulates in the

BioKangtai has formulated the Anti-Commercial Bribery Compliance Manual and the Detailed Rules for the Implementation of Clean Office Work. The Internal Audit Department is responsi- Regional Promotion Service Contract signed with promoters that promoters

ble for the administration and implementation of relevant work and the senior management supervises and administers the Company’s anti-corruption work. Meanwhile the Company shall comply with the Anti-Unfair Competition Law of the People’s Republic of

opposes all forms of corruption and bribery imposes standardized requirements on all employees and partners in terms of professional integrity and adopts a zero-tolerance policy toward China the Interim Provisions on Prohibition of Commercial Bribery and other

unethical commercial practices. In 2025 the Company organized warning education and training for procurement personnel covering content related to legal risks. laws and regulations and that promoters and their staff within their responsible

market areas shall not commit any illegal or irregular improper acts such as

explicit or implicit rebates brokerage fees cash marketable securities shop-

2025 Performanc

Whistleblowing Hotline:0755-26988630 ping cards physical goods gifts dinners banquets and travel to the Company

or departments such as health and disease prevention and control institutions

Total number of employees receiving Number of anti-corruption and their staff.anti-corruption training training sessions

The Company holds relevant compliance training for the promoter team every

Whistleblowing Email:shenjibu@biokangtai.com 150 2 year requires them to sign agreements with integrity clauses and establishes a series of behavior supervision and administration mechanisms for guarantee. In

addition the Company conducts compliance investigations on key commercial

Anti-Monopoly and Fair Competition Whistleblowing Management Mech- partners and departments with inadequate implementation shall be dealt with

in accordance with the system and internal provisions.anism and Whistleblower Protection

The Company strictly abides by the Anti-Monopoly Law of the People’s Republic of China The Company has formulated the Whistleblowing Management System under which the

the Anti-Unfair Competition Law of the People’s Republic of China and global competition Audit Department is responsible for the administration and implementation of whistleblow-

compliance standards and has established an anti-monopoly compliance management ing matters. The Company has established whistleblowing channels for internal and exter-

system covering the entire business process. It firmly eliminates acts such as monopoly nal stakeholders and undertakes to keep whistleblowers’ personal information and report-

agreements abuse of dominant market position and failure to declare concentration of ing materials strictly confidential severely cracking down on any retaliatory acts and impos-

undertakings in accordance with the law. The Company adheres to the cooperative princi- ing strict accountability in accordance with relevant Company regulations upon verification.ples of openness transparency and non-discrimination does not impose unreasonable When receiving whistleblower calls emails letters or receiving visiting entities and individu-

transaction restrictions on partners or implement exclusive and discriminatory arrange- als the Company shall carefully listen to whistleblowers’ statements inquire about their

ments ensures equal participation of upstream and downstream entities in market names addresses telephone numbers reported subjects and details of reported matters

competition and safeguards the legitimate rights and interests of consumers and small and keep detailed records. After acceptance of a reported matter the Audit Department

and medium-sized partners. Meanwhile the Company actively fosters a business culture organizes corresponding project initiation investigation handling and reporting. The

of integrity compliance and sound competition through regular compliance training risk Company maintains communication and contact with whistleblowers during investigations;

self-inspection supervision and accountability and promotes the healthy development of meanwhile upon approval of the investigation report the resolution result shall be

the industry with high-standard competition governance. feedback to whistleblowers within five working days and a dedicated person shall super-

vise relevant responsible departments or personnel to implement the handling opinions.Environmental Social and Governance (ESG) Report 2025 Part One Integrity Governance Efficient operation Coagulation symbiosis Innovation Excellence appendix 15

Information Security Category Control Item Content

* The Company adopts TLS version 1.2 or above to encrypt data transmitted over the network so as to prevent the risk of

Protection Encrypted man-in-the-middle attacks.Transmission

and Storage * The Company deploys file encryption on terminal devices including laptops desktop computers and USB flash drives to

ensure that data cannot be read in the event of physical medium loss.The Company strictly complies with the Cybersecurity Law of the People’s * The Company implements a role-based access control policy configures data and system access permissions according to Access job responsibilities and applies the principle of least privilege.Republic of China the Data Security Law of the People’s Republic of Control

Technical * The Company establishes a periodic permission review mechanism to promptly revoke or adjust unnecessary authorizations.China and other laws and regulations. It has formulated the Computer- Protection

ized System Security Management Procedures Data Classification and

Data Leakage * The Company deploys online behavior management and data leakage prevention systems to conduct content audit and

Grading Management System Network and Information System Emer- Prevention abnormal behavior blocking on information such as outgoing emails instant messages and file transfers.gency Plan Personal Information Confidentiality System and other docu-

ments and assigned 2 full-time information security personnel to build a * The Company implements transparent encryption management for sensitive files. Files are automatically encrypted once File Encryption

leaving the authorized internal environment of the enterprise and cannot be decrypted without authorization.comprehensive information security management system from five

aspects: organization management technology training and supervi-

sion. As of the end of the reporting period the Company has obtained Category Management Link Specific Control Requirements

Class II cybersecurity protection certification for its official website

human resource system Caidie QMS system LIMS laboratory manage- * The Company adheres to the principle of data minimization and only collects personal information directly relevant to

Data Collection

ment system EMS BMS system and ERP system. business purposes to avoid excessive collection of users’ private data. The Company implements confidential management

of all data.* The Company prohibits the export of business data stored in systems to unauthorized terminal devices or external email

Data Usage

Management accounts. All data-related operations are recorded in audit logs to ensure traceability.Specifications

* In accordance with data classification and grading policies and retention period requirements the Company sets automat-

Data Destruction ic cleaning rules for user information and conducts secure deletion upon expiration.Category Control Stage Specific Management Requirements

In-service * All employees are required to sign confidentiality agreements and non-compete agreements upon onboarding and

Training complete specialized training on information security and confidentiality awareness.Onboarding * The Company regularly conducts information security awareness promotion and professional skill training. It implements

Personnel Training background checks and more frequent security capability assessments for key position personnel.Management

* The Company implements a standardized offboarding audit process to ensure that system accounts and permissions of

Offboarding departing employees are fully revoked before the effective date of resignation. It reiterates employees’ confidentiality

Audit

obligations and legal liabilities during employment through exit interviews.“Environmental Social and Governance (ESG) Report 2025 Part One Integrity Governance Efficient operation Coagulation symbiosis Innovation Excellence appendix 16Pharmacovigilance Full-Cycle Pharmacovigilance Management

The Company monitors analyzes identifies assesses and controls risks in clinical research and post-marketing application of products and formulates

corresponding response measures for risks in different links.Governance Link Measures

In accordance with the Pharmaceutical Administration Law of the People’s Republic of China the Vaccine

Administration Law of the People’s Republic of China the Good Pharmacovigilance Practice and other laws Clinical Research

·Establish management procedures for clinical pharmacovigilance to regulate pharmacovigilance work

Pharmacovigilance in clinical trials of products.and regulations Shenzhen Kangtai Biological Products Co. Ltd. has established a Drug Safety Committee

composed of heads of relevant departments with the President serving as Director and the Pharmacovigi-

lance Officer as Executive Director. The Company has established and improved a pharmacovigilance system

Post-Marketing Risk

to ensure its dynamic adaptation to regulatory updates and internal development needs. It has set up an ·Formulate the Pharmacovigilance Plan monitor the occurrence of AEFI in real time and conduct

Identification Assessment

independent Pharmacovigilance Department directly managed by the Pharmacovigilance Officer and vaccine safety risk assessment.and Control

reporting to the President. A professional pharmacovigilance data management system has been deployed

to realize electronic standardized and regulated operation of pharmacovigilance workflows.·Actively expand information collection channels collect AEFI during the use of vaccines produced by

the Company through telephone follow-ups on-site visits and other means and conduct monitoring

Strategy Post-Marketing AEFI and management in accordance with procedures;

Monitoring and Reporting

The Company regards pharmacovigilance management as a core mission to protect public drug safety. It ·Introduces and applies a pharmacovigilance data management system to collect and manage AEFI

adheres to regulatory requirements as the benchmark and ensures that all relevant personnel fully perform reports in the clinical trial stage and post-marketing AEFI information.pharmacovigilance duties and effectively participate in the whole-process management. By efficiently

utilizing drug safety information the Company scientifically carries out risk identification analysis and

control and continuously maintains the risk-benefit balance of vaccines. It conducts active monitoring rapid

assessment and coordinated disposal of adverse reactions following vaccination effectively prevents and Pharmacovigilance Training

reduces potential risks and maximizes the protection of patients and public health.With “protecting patient safety” as the core goal of pharmacovigilance the Company has formulated the Pharmacovigilance Management Training Proce-

dures. It carries out systematic training for full-time pharmacovigilance personnel and non-full-time pharmacovigilance personnel (covering all employees)

Impact Risk and Opportunity Management in accordance with the Annual Training Plan so as to strengthen the stable operation of the pharmacovigilance system. In addition the Company conducts

The Company has established a multi-channel mechanism for the collection and management of Adverse at least one training session on the collection and management of Adverse Events Following Immunization (AEFI) every year. Through such training employ-

Events Following Immunization (AEFI). Information sources include the National Adverse Drug Reaction ees can gain an in-depth understanding of AEFI monitoring and reporting knowledge and improve their awareness and capability of reporting safety

Monitoring System (direct reporting system) feedback from regulatory authorities the 400 service hotline information.the frontline sales network and domestic and international literature retrieval. For risk assessment the

Company implements a dual mechanism: on the one hand it conducts signal detection for each AEFI report

Indicators and Targets

to identify potential risk signals; on the other hand it carries out a comprehensive assessment every six

months to ensure early risk identification and response. Meanwhile the Company actively cooperates with

centers for disease control and vaccination institutions to assist in communication on individual adverse The core objective of the Company’s pharmacovigilance management is to ensure the rational use and controllable risks

reaction cases. For cases involving compensation it implements relevant provisions through commercial of vaccines. During the reporting period no new risks requiring special control measures were identified and the

insurance. It strictly complies with the time limits of national monitoring plans and submits reports by level to marketed vaccine products demonstrated good safety profiles.ensure the whole process is compliant and controllable.Environmental Social and Governance (ESG) Report 2025 Part One Integrity Governance Efficient operation Coagulation symbiosis Innovation Excellence appendix 17

Efficient

Operations for

Green and

Sustainable

Development

Key ESG Topics in this Chapter

Climate Change Response

Environmental Compliance Management

Pollutant Emission and Waste Disposal

SDGs Addressed

Resource Utilization and Circular Economy

Biodiversity ConservationEnvironmental Social and Governance (ESG) Report 2025 Part One Integrity Governance Efficient operation Coagulation symbiosis Innovation Excellence appendix 18

Climate Change Response Governance

The Company has established a top-down sustainable development management mechanism formed a full-time team with professional knowledge skills industrial

background and experience and regularly conducts special training to ensure the organization is capable of promoting climate change adaptation energy conservation and

To disclose the Company’s climate change response work in a scientific and effective manner emission reduction and other related work.the Company follows the recommendations of the Task Force on Climate-related Financial

Disclosures (TCFD) and discloses its climate change risk management system and response Level Composition Responsibilities

actions from four dimensions: governance strategy risk management and indicators and

targets.Board of Directors / Strategy

Committee of the * Responsible for reviewing the disclosure of climate-related information in the ESG Report.Decision-Making Level Board of Directors

n

r st

* Responsible for collecting the Company’s carbon emission information and energy conservation

ESG Working Group

and emission reduction measures and disclosing relevant information in the ESG Report.Management Level

four-dimension

m a * Responsible for the concrete implementation of energy conservation and emission reduction ent rs

Relevant Departments

o projects cooperating with the ESG Task Force to provide carbon emission-related information t a c Indi Implementation Level and reviewing the accuracy of such information.gove

nd Goals

ate

gy

r

ge

ma

na

riskEnvironmental Social and Governance (ESG) Report 2025 Part One Integrity Governance Efficient operation Coagulation symbiosis Innovation Excellence appendix 19

Strategy

In light of forward-looking global trends the Company conducts multi-dimensional qualitative analysis to identify potential risks such as stricter policies and regulations accelerated technological substitution shifting market preferences and insufficient supply

chain resilience. Meanwhile the analysis covers key links including corporate operations (energy use production processes) supply chain management (supplier carbon performance recycled material substitution) and the full product life cycle (design manufac-

turing recycling).Risk Type Risk Name Financial Impact Time Horizon Likelihood Scope of Impact Response Measures

Extreme weather events * Establish an emergency management mechanism and a diversified

Upstream value chain (produc-

Short-Term Risk (earthquakes floods Cost Increase Medium Long Term High supply chain layout to mitigate the impact of sudden disasters on

tion and logistics)

typhoons etc.) production and logistics.Physical Risk

*Invest in energy-saving technologies and circulating water systems

Upstream value chain corporate to optimize energy and water use efficiency.Long-Term Risk Sea level rise water scarcity Cost Increase Long Term High

operations *Promote renewable energy substitution to reduce operational

carbon footprint and energy costs.Stricter carbon *Promote energy efficiency improvement and equipment renovation

tax/cap-and-trade policies Upstream value chain corporate Cost Increase to optimize energy efficiency.Policy Short Long Term High

upgraded environmental operations *Increase the proportion of renewable energy use.regulations

Higher green production

*Increase R&D on green technologies and optimize production

Technology standards stricter environmen- Cost Increase Long Term High Corporate operations

processes to reduce energy consumption and emissions.tal technology requirements

Transition Risk

Customer preference for * Proactively adapt to global carbon footprint standards and advance

Revenue

Market low-carbon procurement Medium Long Term Medium Downstream value chain green and low-carbon transformation to ensure product market

Reduction

higher bidding thresholds access and align with market preferences.Damage to brand reputation * Strengthen sustainable management and information disclosure to Revenue

Reputation which further affects corporate Long Term Low Downstream value chain maintain brand reputation and safeguard long-term corporate Reduction

sustainable development value.“Environmental Social and Governance (ESG) Report 2025 Part One Integrity Governance Efficient operation Coagulation symbiosis Innovation Excellence appendix 20Opportunity Factor Impact Scenario Financial Impact Time Horizon Likelihood Scope of Impact Response Measures

Subsidies for renewable energy fiscal support Increased green investment and financing

Policy Opportunity Medium Term High Corporate operations * Proactively apply for government subsidies and tax incentives.for energy-saving technological transformation opportunities policy subsidy support

Application of energy-saving technologies intelli- * Implement an energy management system and conduct regular

Efficiency Opportunity Decreased operational costs Long Term Medium Corporate operations

gent energy management energy efficiency audits.R&D of thermostable vaccines innovation of

Product Opportunity Business revenue growth Medium Term Medium Global market * Increase R&D investment and expand space in emerging markets.low-carbon vaccines

Financial Opportunity Green credit rising preference for ESG investment Reduced financing costs expanded Medium Term Medium Corporate operations * Improve ESG performance.funding channels

Impact Risk and Opportunity Management Indicators and Targets

The Company has established a systematic identification and assessment process to comprehensively examine the impacts risks and opportunities of climate The Company integrates sustainable development into its core strategy and has set clear low-carbon strategic

change on business operations. objectives.Identification Assessment Monitoring Response

2025 Performance

* Identify climate risks and * Evaluate the applicability * Conduct continuous * Develop response plans

opportunities based on its and importance of various stakeholder communica- based on risks and Direct (Scope 1) Greenhouse Energy Indirect (Scope 2)

Gas Emissions Greenhouse Gas Emissions

own production and risks and opportunities in tion and regular reassess- opportunities including

operation status light of actual business ment to ensure that but not limited to

15000.69 Metric tons ofcombined with industrial conditions and compre- relevant risks opportuni- formulating a low-carbon CO? equivalent 41496.81 Metric tons ofCO? equivalent

development trends hensively determine the ties and response transformation plan and

domestic and foreign risk levels and material measures are suitable for adopting a series of

policy environments and opportunities from the the Company’s actual adaptation measures

Greenhouse Gas Emission Greenhouse Gas Emission

benchmarking of perspectives of occur- situation. upon approval by the

Intensity Reduction

advanced practices and rence probability business management.form an inventory. development financial 0.33 Metric tons of CO? equivalent /impact and reputation Operating Revenue or Sales 22065.57 Metric tons ofCO? equivalent

impact.Environmental Social and Governance (ESG) Report 2025 Part One Integrity Governance Efficient operation Coagulation symbiosis Innovation Excellence appendix 21

Environmental Compliance Management

Key Performance

Environmental Compliance Governance

The Company strictly abides by the Environmental Protection Law of the People’s Republic of China and other relevant legal provisions

During the reporting period

and has formulated systems such as the Environmental Protection Management Procedures and Environmental Aspects and Hazard

Identification and Control Procedures which stipulate environmental monitoring environmental information declaration environmental

emergency response and other contents to standardize environmental behaviors and reduce pollutant emissions.Agreed electricity volume Can reduce carbon dioxide The quantity of green certificates

green electricity emissions by approximately purchased by Kangtai Biotech The Company’s EHS Committee serves as the environmental protection management body with the Safety and Environmental Office

under it responsible for daily environmental management. The Company requires all employees to sign EHS target responsibility letters

116400 96903 8180 and links environmental management performance to the quarterly performance appraisal of middle and senior management. Mean-MWh ton MWh

while the Company has formulated the Emergency Plan for Environmental Emergencies to improve the emergency response mechanism

for environmental emergencies; through environmental protection training it continuously enhances employees’ environmental manage-

ment awareness and professional capabilities. During the reporting period the Company and its subsidiaries did not receive any adminis-

trative penalties for violations of environmental protection laws and regulations. As of the end of the reporting period Shenzhen Kangtai

Biological Products Co. Ltd. and BioMinhai had obtained ISO 14001 environmental management system certification.Case

During the reporting period

BioMinhai Won the Title of “Beijing Low-Carbon Leader”

Carry out environmental emergency drills Completion rate of environmental hazard rectification

In 2025 the Beijing Municipal Ecology and EnvironmentBureau officially released the annual list of “Beijing 2 97.3 %Low-Carbon Leader” enterprises (6 in total). BioMinhai was

successfully selected for the list with its outstanding perfor-

mance in green manufacturing energy conservation and Case

carbon reduction becoming the only enterprise in Daxing

District to receive this honor in the year further consolidat-

ing its leading position as a benchmark for low-carbon Organizing Environmental Protection Training

development in the biopharmaceutical industry.The Company enhances employees’ environmental management awareness and

professional capabilities through environmental protection training. During the

reporting period the Company carried out training including Solid Waste Manage-

ment Training and General Industrial Solid Waste Training and organized environ-

mental engineers to participate in the Shenzhen Environmental Protection Director

Competence Improvement Assessment held by the Shenzhen Municipal Bureau of

Ecology and Environment who obtained qualified certificates.Solid Waste Management TrainingEnvironmental Social and Governance (ESG) Report 2025 Part One Integrity Governance Efficient operation Coagulation symbiosis Innovation Excellence appendix 22

Cleaner Production Biosafety

The Company actively promotes green processes such as improving the ethanol application process for multivalent vaccines to reduce The Company has established a Biosafety Committee that strictly follows national standards including the general requirements for

solvent consumption and adopting advanced testing methods such as nuclear magnetic resonance to replace part of traditional pathogenic microorganism laboratories formed a complete system of institutional documents and formulated and implemented biosafe-

reagents. BioKangtai Biological Products Co. Ltd. has been awarded the title of “Shenzhen Green Enterprise” and BioMinhai has won the ty risk assessment rules. Risk assessment is conducted before the introduction or use of pathogenic microorganisms covering environ-

national-level “Green Factory” and “Beijing Green Factory” titles. mental sensitivity pathogenicity prevention and treatment conditions hardware facilities and other aspects with the commitment to

achieving “zero accidents” in biosafety management. Specific measures include preventing personnel exposure controlling waste gas and

wastewater discharge to meet standards and ensuring no pathogenic microorganism leakage or infection incidents. As of the end of the

reporting period all indicators of the Company have been achieved all testing results over the years are qualified and no safety incidents

Case have occurred.Measure Content

BioMinhai Awarded “National Green Factory”

* Laboratories adopt directional airflow design; waste gas is discharged after multi-stage

In 2025 the Ministry of Industry and Information Technology

Hardware Support high-efficiency filtration and filter materials are regularly replaced and inspected.of the People’s Republic of China released the 2024 Green

Manufacturing List. After rigorous review and multi-level * Operators are equipped with disposable protective clothing and sterilizable reusable

selection BioMinhai was successfully awarded the honorary Personnel Protection protective equipment is used in key operation areas.title of “National Green Factory” for its outstanding perfor-

mance in green manufacturing energy conservation emission * All items taken out of the operation area must be disinfected. Infectious waste is sterilized

reduction and sustainable development. This represents the Waste Disposal at high temperature and pressure before being handed over to qualified third-party

highest recognition for the Company’s commitment to build- institutions for disposal.ing an environment-friendly and resource-conserving enter-

prise. * Laboratory wastewater is transported through pipelines to an inactivation system inacti-

vated by heating or chemical methods (such as alkalization chlorine-containing

disinfectants) according to the characteristics of pathogenic microorganisms and

BioMinhai Won the Honor of “Five-Star Green Credit Enterprise” Wastewater Treatment discharged to the sewage station for further treatment after passing verification before

finally entering the municipal pipe network.In 2025 at the “Daxing District · Langfang City World EnvironmentDay Main Event” BioMinhai once again won the honor of “Five-Star * Emergency plans for various scenarios are formulated and at least one comprehensiveGreen Credit Enterprise” for its excellent performance in the Emergency Preparedness emergency drill is organized every year.construction of the green credit system. This is the fourth consecu-

tive year that the Company has received this environmental honor

since 2022 highlighting its benchmark status in the coordinated Key Performance

environmental development of the Beijing-Tianjin-Hebei region. The

“Five-Star Green Credit Evaluation” conducts stringent assessment

from five dimensions: environmental compliance energy conserva- During the reporting period The inactivation rate of laboratory waste is

tion and emission reduction resource recycling management

innovation and social responsibility. 100 %Environmental Social and Governance (ESG) Report 2025 Part One Integrity Governance Efficient operation Coagulation symbiosis Innovation Excellence appendix 23

Pollutant Emission and Waste Disposal

The Company strictly abides by the Law of the People’s Republic of China on the Prevention and Control of Air Pollution the Law of the People’s Republic of China on the Prevention and Control of Water Pollution and the Law of the People’s Republic of China on

the Prevention and Control of Environmental Pollution by Solid Waste and has formulated the Solid Waste Management System the Workshop Drainage Management System and the Waste Gas Emission Management System. The EHS Committee acts as the adminis-

trative body and the Safety and Environmental Protection Office is responsible for daily administration. Meanwhile the Company regularly organizes special training such as Solid Waste Management Training and Hazardous Waste Management Training to continuous-

ly strengthen employees’ environmental awareness and professional competence. In terms of operation monitoring the Company adopts a combination of manual monitoring and automatic monitoring to ensure that all pollutants are discharged up to standards.Wastewater Management Waste Gas Management

Generation Sources Generation Sources

Mainly domestic sewage and production wastewater. Volatile organic waste gas generated in the production process volatile organic waste gas generated in R&D and quality

inspection experiments malodorous waste gas from animal rooms and sewage treatment stations flue gas from boiler

Monitoring Indicators rooms catering waste gas from canteens etc.COD ammonia nitrogen total nitrogen pH total phosphorus etc. Monitoring Indicators

Management Objective Non-methane total hydrocarbons acetone phenols odor concentration canteen oil fumes.Strictly comply with national standards with a 100% compliance rate of wastewater discharge. Management Objective

Treatment Methods Strictly comply with national standards with a 100% qualified rate of waste gas emission.*Production wastewater and pretreated domestic sewage are discharged into the sewage treatment station and discharged Treatment Methods

into the municipal sewage pipe network after treatment up to standard; clean water enters the reclaimed water station for

advanced treatment part of the effluent from the reclaimed water station is reused for greening in the plant area and the *High-efficiency filters + activated carbon adsorption are adopted for volatile organic waste gas.rest is discharged to the main wastewater outlet of the plant area. *Ion deodorization + activated carbon adsorption are adopted for waste gas from the sewage treatment station.*An online wastewater monitoring system is installed to monitor the indicators in wastewater in real time; a third party with *Integrated turbulent spray deodorization is adopted for waste gas from animal rooms.CMA qualification is entrusted to sample and test wastewater in accordance with the requirements of the pollutant

*Mechanical-electrostatic composite oil fume purifiers are adopted for catering waste gas.discharge permit.*The sewage treatment station adopts the treatment process of “collecting tank + grid + regulating tank + biological oxida-tion + disinfection”.*A professional environmental protection engineering unit is entrusted to be responsible for the operation and management

of the sewage treatment station conduct daily safety inspections of sewage treatment facilities in the plant area and

promptly follow up on fault handling.“Environmental Social and Governance (ESG) Report 2025 Part One Integrity Governance Efficient operation Coagulation symbiosis Innovation Excellence appendix 24Solid Waste Management

Generation Sources Case

General industrial solid waste includes waste packaging materials of raw and auxiliary materials waste filter media for pure Emergency Drill for Organic Solvent Leak-

water/soft water preparation etc.; hazardous waste includes waste drugs waste organic solvents waste chemical reagents

laboratory waste liquid and other hazardous wastes generated in operation. age in Hazardous Waste Warehouse

In November 2025 BioKangtai carried out an emergency

Monitoring Indicators

drill for organic solvent leakage in the hazardous waste

*For general industrial solid waste the total annual generation volume and recyclable utilization rate are tracked. warehouse. The drill aimed to improve on-site operational

proficiency of personnel and the coordinated combat

*For hazardous waste characteristic indicators such as toxicity corrosivity and flammability are tracked by hazardous waste

capability of all departments in emergency response and

category.disaster relief from three aspects: operation specifications

emergency disposal and risk awareness. 固体废弃物管理培训

Management Objective

Emergency Drill for Organic Solvent Leakage

100% qualified rate of hazardous waste treatment service providers 0 environmental accidents caused by hazardous in Hazardous Waste Warehouse

waste leakage 100% legal disposal rate of hazardous waste.Treatment Methods

Indicator 2025 Performance

General industrial solid waste Hazardous waste

Total Wastewater Discharge 1196225.064 Cubic meter

*After centralized collection it is recycled by *All departments collect and transfer it to the Safety Fire

material recycling companies; non-recyclable Protection and Energy Office which contacts companies with Total General Solid Waste 116.604 Ton

waste is regularly cleared and disposed of by the hazardous waste disposal qualifications for transshipment

sanitation department. and treatment. The hazardous waste temporary storage room

Total Hazardous Waste

meets safety requirements such as leakage prevention fire 254.211149 Ton

prevention and explosion prevention and is equipped with

corresponding emergency supplies.Environmental Social and Governance (ESG) Report 2025 Part One Integrity Governance Efficient operation Coagulation symbiosis Innovation Excellence appendix 25

Resource Utilization and Circular Economy

Energy Utilization

Governance Strategy Impact Risk and Opportunity Management

In accordance with the Energy Conservation Law of the People’s Republic of China Energy Management The Company fully taps the energy-saving potential of all links by establish- The Company regularly entrusts third-party institutions to conduct energy audits to

Systems—Requirements with Guidance for Use and other laws and regulations the Company has established ing a systematic action plan covering improved metering equipment fully understand its energy management level and energy consumption status

an Energy Management Committee with an energy management team under it. The team is headed by the elimination process optimization and behavior standardization. By incorpo- identify problems and weak links in energy utilization tap energy-saving potential

production director and composed of personnel from various departments and has formulated the Energy rating energy conservation and consumption reduction into performance seek energy-saving directions reduce energy consumption and production costs

Management System to standardize energy management. Meanwhile the Company has formulated systems appraisal and cultural construction the Company guides all employees to and improve corporate economic benefits.such as the Energy Reward and Punishment Regulations integrating energy management and energy conser- participate in technological innovation and process improvement. Relying

vation into performance appraisal. It attaches great importance to the cultivation of employees’ energy conser- on regular supervision inspection and reward-punishment mechanisms it

vation awareness and carries out training on warehousing energy conservation measures energy control imple- continuously improves energy utilization efficiency reduces operating costs

mentation plans and other contents. As of the end of the reporting period the Company had obtained ISO and consolidates the foundation for green factory construction.

50001 energy management system certification.

Key Practices of Energy-Saving Technologies

Project Name Operation Status and Effect

Thermal Insulation of High-Tem- *Thermal insulation is applied to high-temperature equipment and pipeline systems in the water

perature Equipment and Facilities preparation workshop using steam with customized soft detachable insulation blankets to

reduce heat loss.* The boiler heats fresh water by using flue gas waste heat; the water vapor from the deaerator is

Waste Heat Recovery

heated by the flue gas temperature through an energy saver.Refrigeration Station / * In winter the refrigeration station adopts natural cooling through plate heat exchangers using

Cold Source System low-temperature cooling water to cool chilled water without starting chiller units greatly reduc-

ing system energy consumption and operating costs.*Adopted an integrated intelligent equipment control system for chilled water.Equipment Renewal and

Energy-Saving Technological *Replaced with new energy-saving air conditioning systems saving 25800 kWh per year;

Transformation *Replaced with new energy-saving air compressors saving 175200 kWh per year.Environmental Social and Governance (ESG) Report 2025 Part One Integrity Governance Efficient operation Coagulation symbiosis Innovation Excellence appendix 26

Digital Management Indicators and Targets

BioKangtai Biological Products Co. Ltd. implements energy management and control by establishing a regular energy use reporting mechanism issuing monthly reports on natural

gas and electric energy consumption and requiring all departments to formulate energy management and control plans.Based on the four thematic functions of “safety precaution green energy conservation high efficiency and convenience and comfort and health” BioMinhai has constructed Indicator 2025 Performance

application scenarios to fully activate data resources and realize intelligent empowerment. Through the construction of an integrated management platform for the smart park it

has innovatively integrated technologies and intelligent equipment such as BIM GIS IoT and AI. Through data perception transmission analysis and application research it has

built a “platform + application” intelligent service for park operation and management completed 13 intelligent scenarios and 55 intelligent functions in the park and realized

intelligent management and control of the park. Natural Gas 9168715 Cubic meter

Steam 212587.21 Cubic meter

Diesel Oil 79780 Liter

Gasoline 24190 Liter

Renewable Energy 36532400 kWh

Purchased Electricity 95956240 kWh

Use of Clean Energy

BioMinhai has installed 142 sets of solar water heaters in the dormitory buildings of

the South Plant to provide bathing hot water for employee dormitories. The heat

collection area of each set of solar water heater is 3.11 m2.After calculation:

Annual electricity savings

of solar water heaters standard coal

269700 kWh 33.15 tceEnvironmental Social and Governance (ESG) Report 2025 Part One Integrity Governance Efficient operation Coagulation symbiosis Innovation Excellence appendix 27

CASE

Water Resource Utilization

Leading a Green Lifestyle by Scientific Water Use

The Company’s water source is municipal tap water which is not used as

a major consumable resource in the production process resulting in a low In December 2025 the themed publicity activity “I Speak for Water Conservation” co-sponsored by the

risk of water shortage. As of the end of the reporting period BioMinhai Beijing Water Authority Daxing District Water Authority Environmental Protection Section and BioMinhai was

had been awarded the title of “Beijing Water-Saving Enterprise”. held at the International Industrial Base of BioMinhai. The activity integrated water conservation knowledge

Q&A into fun sports through challenge games such as “Water Conservation Ball Rolling” knowledge ring toss

and pitch-pot; meanwhile on-site quizzes were organized to deepen employees’ understanding of the

current water resources situation and relevant policies and “I Speak for Water Conservation” initiative videos

were shot to expand communication via new media. As a biopharmaceutical enterprise rooted in Beijing

BioMinhai has enhanced employees’ environmental awareness in an entertaining way. In the future it will

continue to join hands with all sectors of society to innovate publicity forms and contribute to the construc-

tion of a sustainable development city with harmonious coexistence between humans and water.Building a Joint Water Conservation Line to Protect the Source of Life

During the 38th “China Water Week” with the theme of “Promoting High-Quality Water Conservancy Devel-opment and Safeguarding National Water Security” the Daxing District Water Authority and Environmental

Protection Section jointly launched a water conservation publicity campaign with BioMinhai. At the event

site staff distributed promotional materials to employees popularized water-saving tips and the currentsituation of water resources and conveyed the concept of “Every Drop at Your Fingertips Water Conserva-tion in Your Heart” to every participant. This activity was not only a knowledge popularization but also a callfor nationwide water conservation action. By building a publicity matrix of “government guidance + enter-prise response” BioMinhai promoted the implementation of the Code of Conduct for Civil Water Conserva-

tion guided employees to internalize water conservation into a conscious lifestyle and gathered nationwide

strength to protect water resources through small corporate actions.Indicator 2025 Performance

Total Water Intake from All Regions 1287.78102678 Megaliter“Environmental Social and Governance (ESG) Report 2025 Part One Integrity Governance Efficient operation Coagulation symbiosis Innovation Excellence appendix 28Circular Economy Biodiversity

The Company deeply integrates the concept of circular economy into its operations implements a dual-track water resource recycling system (rainwater reuse and reclaimed water

reuse) widely adopts recyclable incubators for cold-chain transportation and encourages employees to participate in conservation and recycling practices. It is committed to achieving Conservation

a full-chain closed loop from source reduction to end-of-life treatment and promoting sustainable resource utilization.Key Practices of Circular Economy The Company adheres to the bottom line of biodiversity conservation in produc-

tion and operation and proactively identifies monitors and mitigates the

potential negative impacts of its operations on the surrounding ecology. The

Condensate Reuse System New Vaccine International Industrial Base of BioMinhai deeply integrates Rainwater Reuse System Reclaimed Water Reuse System

cutting-edge biotechnology with natural ecology. Through natural lighting

BioMinhai has built a rainwater collection and Wastewater generated in the pure water The air conditioning hot water unit has been ventilation systems and large-area vegetation landscapes including more than

reuse system. The collected and purified preparation process and bottle-washing modified from direct discharge to condensate 60 species such as arbors shrubs bamboo forests and flowers it realizes the

rainwater is used for landscape water with a wastewater enter the reclaimed water recovery. After treatment the condensate is organic symbiosis between architecture and the environment.designed daily treatment capacity of 180 m3/d. treatment station for treatment. The treated retransmitted back to the system realizing

This water-saving technology has been includ- water is reused for toilet flushing road sprin- resource recycling and saving about 35000

ed in the Catalogue of Water-Saving Processes kling greening and underground garage tons of softened water per year.Technologies and Equipment Encouraged by washing with a designed daily treatment

the State (2023). capacity of 320 m3/d.Indicator 2025 Performance

Total Recycled/Reclaimed Water 82362 MegaliterEnvironmental Social and Governance (ESG) Report 2025 Part One Integrity Governance Efficient operation Coagulation symbiosis Innovation Excellence appendix 29

Synergy for a

Harmonious

Value

Ecosystem

Key ESG Topics in this Chapter

Employee Rights and Interests

Training and Development

Occupational Health and Safety

SDGs Addressed

Rural Revitalization and Social Public Welfare

Health and Medical AccessibilityEnvironmental Social and Governance (ESG) Report 2025 Part One Integrity Governance Efficient operation Coagulation symbiosis Innovation Excellence appendix 30

Employee Rights and Interests

The Company strictly complies with the Labor Law of the People’s Republic of China Labor Key Performance

Contract Law of the People’s Republic of China and other relevant laws and regulations

and firmly rejects differential treatment of employees based on factors such as age gender

ethnicity native place religious belief and others. The Company attaches importance to During the reporting period

cooperation with research institutes and universities and recruits outstanding talents

through multiple channels such as online recruitment headhunting services campus

recruitment internal referral and on-site recruitment. The Company strictly abides by The proportion of labor contracts signed

national and local laws and regulations regarding working hours and implements a differ-

entiated working hour management system in light of the characteristics of different 100%

positions.In addition the Company strictly abides by the Law of the People’s Republic of China on the

Protection of Minors the Provisions on Prohibition of Using Child Labor and other laws and

regulations and commits to eliminating all forms of illegal labor practices including but not

limited to human rights violations such as employing child labor under the age of 16 using

prison labor forced labor debt bondage and human trafficking.Democratic Management

The Company advocates the labor governance values of diversity equality and inclusiveness and upholds the principle of equal pay for equal work. It establishes the work union which is

responsible for holding workers’ congresses to build a full-chain democratic management mechanism of “full participation + representative deliberation” and regularly goes to the front

line to listen to employees’ voices. Led by the Chairman the Company established an Employee Committee in 2025 as an important supplement to the workers’ congress. Meanwhile focus-

ing on employees’ frequent concerns such as catering and accommodation the Company has innovatively built an online-offline linked “Employee Feedback Collection Code” platform. It

collects employees’ demands by posting QR codes in prominent locations of high-frequency activity areas and pushing them to various online working groups.Employee Satisfaction Survey

To fully understand employee engagement and the grassroots working environment and by statistics

ensure the steady development of the enterprise on the basis of fully considering employ-

ees’ feelings and needs the Company conducted an employee satisfaction survey in 2025 The overall satisfaction rate of this survey

covering all employees.

80.78 % Overall satisfaction is quite good.Environmental Social and Governance (ESG) Report 2025 Part One Integrity Governance Efficient operation Coagulation symbiosis Innovation Excellence appendix 31

Remuneration and Benefits Employee Care

The Company adheres to the distribution principle of “efficiency first fairness consideration and distribution according to work”. It has formulated the Remuneration Manage- Care for Female Employees

ment Measures Performance Management System and Remuneration Accounting Rules. The salary structure consists of basic salary position-based salary confidentiality

The Company provides a comfortable and convenient nursing environment for female

salary performance bonus allowances and subsidies welfare expenses and special salary forming a reasonable salary ladder distribution. The Company upholds the principle

employees during lactation and distributes maternity care gifts. It is equipped with

of two-way communication: department heads assess employees’ performance through performance appraisal forms and employees may contact department heads for

professional venues such as yoga rooms and dance studios and organizes body-shaping

feedback and appeal if they have doubts about the appraisal results.Under normal circumstances the first appeal shall be filed with the immediate supervisor of the direct

activities including aerobics at least once a year. During International Women’s Day the

supervisor. Upon receipt of the appeal an investigation shall be conducted among the relevant parties involved a handling opinion shall be put forward and submitted to the

Company holds special activities such as handcrafting and floral art appreciation and

competent leader for ruling. If the applicant is dissatisfied with the decision on the first appeal a further appeal may be filed to a higher level of the Company. If the applicant

distributes festival gifts to female employees.still refuses to accept the ruling on the further appeal a lawsuit may be filed to a labor dispute arbitration institution or a people's court.The Company has formulated systems including the Remuneration and Welfare Management System Welfare Management Measures and Five Insurances and One Housing

Fund Management Measures to continuously improve the welfare system. Meanwhile the Company provides festival benefits covering all employees and their families CASE

including but not limited to traditional festivals such as the Spring Festival Tomb-Sweeping Day Dragon Boat Festival and Mid-Autumn Festival. It has improved the special

congratulatory gift system such as wedding gifts for married employees and special grants for employees whose children are admitted to institutions of higher education.Elegant Floral Charm · Salute to Her Strength

To celebrate International Women’s Day the Corporate Culture Team of theCompany organized the themed handcraft activity “Elegant Floral Charm ·Festival Benefits Salute to Her Strength” at the Guangming Base on March 7 attracting more

Statutory Benefits than 40 female employees. Taking traditional aesthetics as a bond the activity

Women’s Day Gifts integrated artistic creation with modern spirit aiming to pay tribute to female

Endowment Insurance Medical Insurance

Birthday Gifts workers enable female employees to experience cultural charm through

Industrial Injury Insurance Maternity Insurance

Festival Allowances traditional handcrafting showcase the confident demeanor of women in the

Unemployment Insurance Housing Fund new era and enhance communication among colleagues. The activity consist-

ed of three sessions: “Handmade Flower Hairpin” “Dried Flower Round FanBenefits Making” and “Afternoon Tea Talk”. Through immersive handcraft experience Health Benefits

System combined with relaxed interaction participants stimulated creativity and

Annual Physical Examination confidence in creation narrowed the distance between each other in commu-

Subsidy Benefits nication and created a warm and harmonious team atmosphere.Housing Subsidy Seniority Subsidy

Employee Welfare Expenses Meal Subsidy Holiday Benefits

Academic Qualification Subsidy

Paid Leave Industrial Injury Leave

Overtime Pay / Night Shift Allowance

Sick Leave Maternity Leave etc.High-Temperature / Heating Allowance

Occupational Safety AllowanceEnvironmental Social and Governance (ESG) Report 2025 Part One Integrity Governance Efficient operation Coagulation symbiosis Innovation Excellence appendix 32

Diverse Employee Activities

CASE The Company actively builds diversified leisure spaces supporting the construction of libraries and gymnasiums. It organizes mini marathons mindfulness psychological activities

and a year-long healthy weight management program to meet employees’ needs for cultural learning sports fitness and mental health. The Company plans activities during

Salute to Female Power · Embrace the Beauty of Spring traditional festivals to create a cultural atmosphere and organizes parent-child activities to enhance team cohesion and solidarity.To celebrate International Women’s Day the Company’s headquartersorganized a series of themed activities “Enjoy Spring Together Bloom with In 2025Happiness” during the festival. The activity combined floral creation with fun

lucky draws. Female employees made exclusive floral works with abundant he Labor Union of the Company together with the Corporate Culture Team enriched employees’ spare time life and promoted cross-departmental communication by organizing

flower materials and experienced the beauty of spring in creation. A lottery corporate culture construction activities such as hiking mountain climbing and camping freely combined by various departments as well as interest classes in vocal music dance

draw session was set up on site with prizes including Apple smart speakers and musical instruments and special activities such as the Mid-Autumn Festival Garden Party. In addition the Company organized sports events such as the “Kangtai Cup” Basket-cervical spine massagers vacuum cups and other gifts and a “universal ball Match and provided sports facilities including badminton and table tennis effectively improving employees’ sense of belonging and well-being.consolation prize” was prepared for all participants. This activity allowed

female employees to effectively release work pressure through floral creation

created a warm and harmonious corporate atmosphere and practically

conveyed care and respect for female employees.Care for Employees in Need

The Company has established a support mechanism for employees in need providing

special consolation to disadvantaged employees during the Spring Festival. It offers a

one-time subsidy of 5000 yuan for employees suffering from serious diseases and

graded one-time hospitalization subsidies ranging from 2000 to 5000 yuan for hospi-

talized employees according to their actual conditions. The Company has set up the

Kangxin Fund as an inclusive support fund through which employees can submit subsi-

dy applications based on their own needs and the Company will provide support

according to actual situations.Environmental Social and Governance (ESG) Report 2025 Part One Integrity Governance Efficient operation Coagulation symbiosis Innovation Excellence appendix 33

Training and Development Occupational

Health and Safety

Employee Training Key Performance

The Company implements the policy of “Safety First Prevention Oriented” strictly abides by the

The Company has formulated the Training and Development System and an annual Work Safety Law of the People’s Republic of China Law of the People’s Republic of China on the

training plan and established and improved a talent development platform and During the reporting period the Company Prevention and Control of Occupational Diseases and other relevant laws and regulations estab-

training system to continuously enhance employees’ vision and professional compe- lishes a sound occupational health and safety management system and is committed to creating

tence. Meanwhile the Company encourages employees to conduct self-develop- a healthy and safe working environment for employees.ment continuing education and self-improvement through self-taught examina- Average duration of employee training

tions online education professional qualification examinations professional title

Indicator Management Objective 2025 Performance

examinations and various training courses held by the society. If employees obtain 12 hours

academic certificates professional and technical qualification certificates practice

certificates or other credentials relevant to their positions the Company will provide Number of Serious 0 0

various types of support measures according to their specific positions and Injuries and Above

completed courses.Career Development Key Performance Number of Fire Incidents 0 0

The Company has formulated the Promotion Management Rules Functional

Department Promotion Management Rules and R&D Center Promotion Manage- During the reporting period the Company

ment Rules and constructed a three-channel career development path consisting of Work Safety Management

the “Management Track” “Professional Track” and “Research Track” with job grades the total number of employees receiving regular

divided into ten levels to provide diversified growth opportunities for employees. performance and career development assess-

Management System

Meanwhile the Company has set up a promotion evaluation team and adopted a ments

hierarchical management strategy combining examination evaluation and appoint-

100 The Company has formulated internal work safety system requirements including the Industrial ment to promote employees’ career development in a fair and impartial manner. % Safety Management Procedures EHS System Guidelines Objectives Indicators and Management

Plans and EHS Post Responsibility System clarifying that the enterprise principal is the primary

person responsible for work safety. It strictly implements the work safety responsibility system and

organizes all employees to sign responsibility letters every year to ensure that each employee

clearly understands their respective work safety duties. Meanwhile the Company actively promotes

the construction of safety culture and carries out safety education and training through activities

such as safety knowledge competitions and safety consultation days to continuously improve

employees’ awareness of work safety.As of the end of the reporting period the Company passed the annual supervision audit of the ISO

45001 occupational health and safety management system.Environmental Social and Governance (ESG) Report 2025 Part One Integrity Governance Efficient operation Coagulation symbiosis Innovation Excellence appendix 34

Work Safety Risk Management

The Company has formulated the Hazard Identification and Risk Assessment Management Procedures and Industrial Safety Management Procedures established a hazard identification

and risk assessment team to identify evaluate and conduct hierarchical management and control of risks. Corresponding risk control measures are formulated at different levels for identified

hazards of various levels. Meanwhile the Company has established a normalized potential safety hazard investigation and management mechanism in accordance with the EHS Hazard

Investigation and Management System.The Company implements full-process management of special *Safety Sign Management Introduce the concept of safety

equipment through measures such as equipment declaration warning signs including safety colors contrasting colors and

and licensing information verification and ledger establish- ! four types of sign styles.Special Equipment ment training of operators to eliminate unlicensed operation Safety Sign *Stipulate the setting requirements for signs and markings

Management regular inspection daily maintenance and self-inspection and Management

such as placement location lighting conditions arrangement

abnormal handling.order etc.CASE

Key Performance

Organizing Safety Film Viewing and Reward-Based Safety BioMinhai Won the First Prize in Confined Space Opera-

Knowledge Quiz tion at the First Work Safety Competition

During the reporting period

During the 24th National “Work Safety Month” to foster a sound atmosphere of In July 2025 the First Work Safety Competition was carefully organized by the“Everyone Talks About Safety Everyone Knows How to Respond — Identifying Administrative Committee of Daxing Biological Pharmaceutical Industry Base BioKangtaiPotential Safety Hazards Around Us” the Company held the 2025 Safety Film covering four major events: fire emergency response hazard investigation confined

Viewing and Reward-Based Safety Knowledge Quiz. The event consisted of two space operation and electrical safety aiming to comprehensively enhance the work Carried out special and Completion rate of hazard

sessions: group viewing of work safety-themed films and online-offline integrated safety awareness and emergency response capabilities of enterprises in the park. monthly safety inspections rectification

reward-based safety knowledge quizzes covering core knowledge points includ- BioMinhai responded actively and quickly formed 3 participating teams which

ing fire safety emergency response procedures and work safety laws and regula- devoted themselves to the competition of fire emergency response hazard investi- 12 97 %

tions with both educational and interactive features. This activity injected new gation and confined space operation with full enthusiasm and solid skills. With solid

vitality into the Company’s safety culture construction laid a solid foundation for safety knowledge proficient operational skills and excellent teamwork BioMinhai

work safety and promoted the continuous advancement of safety culture to won the first prize in the fiercely competitive confined space operation event fully BioMinhai

support the sustainable and healthy development of the Company. demonstrating its outstanding management level in work safety especially in

high-risk operation links and the strong practical capabilities of its employees. Completion rate of EHS Completion rate of hazard

inspection plan rectification

100%97.48%

Carry out special safety

inspections

37Environmental Social and Governance (ESG) Report 2025 Part One Integrity Governance Efficient operation Coagulation symbiosis Innovation Excellence appendix 35

Emergency Plans and Drills

The Company has formulated the Control Procedures for Work Safety Emergency Preparedness and Response and compiled corresponding comprehensive plans special plans and on-site disposal plans according to the severity of production accidents. It conducts two comprehensive

plan drills and one special plan drill every year and each department carries out one on-site disposal plan drill annually to improve employees’ emergency response and self-rescue and mutual-rescue capabilities effectively reducing accident losses and casualties when accidents occur.Key Performance

During the reporting period

BioKangtai BioMinhai

work safety emergency drills emergency drill plans

8100%

fire emergency hazardous chemical confined space electric shock sessions

drills drill emergency drill accident drill 62

2111

participants

elevator rescue food poisoning summer 1689

drill emergency drill heatstroke drill

111

On-site photo of the Company’s fire drill

Occupational Health Management

The EHS Committee of the Company is responsible for examining and approving the objectives of occupational health and occupational disease prevention and control and the plans for achieving such objectives and regularly

supervises and inspects the implementation of the plans. It has formulated the Occupational Health Management Procedure the Labor Protective Equipment Management System and other systems to standardize occupational

health and safety management. Meanwhile the Company regularly conducts publicity education and training on the prevention and control of occupational disease hazards and continuously invests resources to improve

employees’ working conditions especially the physical environment and supporting facilities of front-line positions such as production quality inspection and warehousing. The Company firmly believes that sound working

conditions can not only reduce occupational health risks but also enhance employees’ sense of belonging and production efficiency.Environmental Social and Governance (ESG) Report 2025 Part One Integrity Governance Efficient operation Coagulation symbiosis Innovation Excellence appendix 36

Rural Revitalization and Social Public Welfare

BioKangtai has formulated and strictly implemented the External Donation Management System. Since 2022 it has accumulated donations of funds and

materials exceeding 100 million yuan to all sectors of society benefiting multiple entities including poverty-stricken areas Red Cross societies scientific

research institutions and universities. The Company has contributed to supporting the development of medical services the improvement of public health

services scientific research and innovation in disease prevention and the advancement of rural revitalization. It also encourages Party members to partic-

ipate in voluntary services community co-construction caring assistance and other activities to repay the society with practical actions. The Company

has won many honors such as “Caring Enterprise” “Outstanding Contribution Award” and Shenzhen “Glory Cause Contribution Award” establishing an

image of a responsible corporate citizen.Health and Medical Accessibility

Expanding Product Coverage Improving Enhancing Public Health Capacity

The Company considers accessibility in product design Product Affordability The Company actively builds a “four-in-one” public health science popularization system integrating online platforms media

and develops freeze-dried preparations to improve publicity offline venues and academic conferences committed to improving national vaccine literacy. Through official accountsAdhering to the tenet of “Creating Better Vaccinesadaptability in extreme climate regions. Relying on the such as “Vaccine Science Classroom” and themed publicity on important nodes including World Pneumonia Day the CompanyBenefiting Human Health” the Company formulates

nationwide distribution of storage agents and a strictly continuously releases authoritative knowledge. It has cooperated with the Chinese Preventive Medicine Association to establish a

scientific and reasonable vaccine prices on the basis

regulated third-party cold-chain distribution network “Vaccine Science Popularization Base” open to the public and professionals. In addition the Company disseminates cutting-edge

of full consideration of production costs and market

the Company ensures the safe and timely delivery of science by supporting academic conferences at all levels and regards science popularization as a long-term strategic work serving

conditions striving to provide products with more

vaccines to regions including remote areas. as a useful supplement to government health promotion and consolidating the cornerstone of public immune cognition from

reasonable prices for the public so that people can

multiple dimensions.While deeply cultivating the domestic market the obtain safe effective and high-quality vaccines at

Company actively broadens its international vision affordable costs. In product R&D the Company also

arranges overseas business and promotes human health considers adapting to different income groups

and well-being. It has reached cooperation agreements through different dosage forms (vial / pre-filled).with partners in Indonesia Pakistan Bangladesh Egypt Meanwhile the Company has carried out a number of

Turkey and other countries on the overseas registration activities through channels such as public welfare

promotion commercial sales technology transfer and foundations including donating vaccines antigen Guangming Pavilion Nanshan Pavilion

other aspects of products including 13-valent Pneumo- detection reagents and other supplies to district and (opened in 2020) (opened in 2024)

coccal Polysaccharide Conjugate Vaccine 23-valent county centers for disease control and prevention as Wonderful Moments

Pneumococcal Polysaccharide Vaccine Live Attenuated well as Red Cross societies for disease screening and of Vaccine Science

Varicella Vaccine and Acellular DTaP-Hib Combined vaccination of relevant personnel and funding health Popularization Visits

Vaccine (Quadrivalent Vaccine) joining hands to build a science popularization and disease screening (Partial)

health barrier. programs.Daxing Pavilion (opened in 2024)Environmental Social and Governance (ESG) Report 2025 Part One Integrity Governance Efficient operation Coagulation symbiosis Innovation Excellence appendix 37

Excellence in

Innovation for

Shaping the

Future

of the Industry

Key ESG Topics in this Chapter

R&D and Innovation

Product Quality and Safety

Customer Relationship Management

SDGs Addressed

Supply Chain ManagementEnvironmental Social and Governance (ESG) Report 2025 Part One Integrity Governance Efficient operation Coagulation symbiosis Innovation Excellence appendix 38

R&D and Innovation

Governance

BioKangtai boasts leading R&D and innovation capabilities and is one of the enterprises with the most comprehensive coverage of R&D technology platforms in the vaccine industry. It possesses R&D and production capabilities for viral vaccines bacterial vaccines

genetically engineered vaccines conjugate vaccines combined vaccines and other products as well as product development capabilities for platform technologies including viral vectors novel adjuvants and mRNA vaccines. The Company has established a

product development and management architecture responsible for the demonstration and approval of research projects. The Executive Meeting approves R&D project initiation project implementation plans registration application materials and other work. It

has formulated systems such as the R&D Center R&D Project Management Procedures to standardize the standardized management of R&D projects.Live Attenuated Shenzhen Kangtai Biological Products Co. Ltd.Viral Vaccine Platform Technology Center (National Enterprise Technology Center)

Viral Vector Vaccine 1 Inactivated Viral National & Local Joint Engineering 1

Platform Vaccine Platform Laboratory for Novel Vaccine Development

Beijing Key Laboratory of Synthetic

9 2 9 2 Immunology and Vaccine

Intelligent Manufacturing

Shenzhen Engineering

Laboratory for 10

Novel Vaccines

Combined Vaccine Genetically Engineered Beijing Engineering

Platform 8 3 Protein Vaccine Platform 3 Laboratory for Novel

Nine Diversified Vaccines

Guangdong Engineering Mature R&D Vectors

R&D Platforms Laboratory for Therapeutic 8

Hepatitis B Vaccines

7474

Bacterial Polysaccharide Novel Vaccine Adjuvant

Academician and

Expert Workstation Postdoctoral Research Station

Conjugate Vaccine Platform Technology Platform

6565

mRNA Vaccine Bacterial Polysaccharide Beijing Engineering Research Center Beijing International Science and Technology

Platform Vaccine Platform for Novel Combined Vaccines Cooperation Base for Novel Vaccines“Environmental Social and Governance (ESG) Report 2025 Part One Integrity Governance Efficient operation Coagulation symbiosis Innovation Excellence appendix 39StrategyThe Company owns an internationally advanced vaccine R&D center and always upholds the philosophy of R&D technology engineering and continuous innovation. It has built a multi-level R&D system featuring “independent development as thecore cooperative development as the support and technology introduction as supplements”. The Company has successively introduced a number of internationally leading vaccine production technologies from overseas including Freeze-dried

Human Rabies Vaccine (Human Diploid Cell) Sabin Strain Inactivated Poliomyelitis Vaccine (Vero Cells) etc. laying a solid foundation for the construction of its product pipeline.Impact Risk and Opportunity Management Intellectual Property Protection

The Company has formulated the R&D Center R&D Project Management Procedures to standardize the standardized management The Company strictly abides by the Trademark Law of the People’s Republic of China the Patent Law of the People’s Republic of China

process of R&D projects and improve the transformation capacity of scientific research achievements. and other laws and regulations and has formulated systems including the Intellectual Property Management Measures and the Patent

Management Measures to strengthen intellectual property management clarify relevant management responsibilities encourage inven-

Link Measures tions and creations enhance the Company’s market competitiveness and promote its sustainable development. During the reporting

period the Company did not incur any incidents involving infringement of others’ intellectual property rights nor did it have any intellec-

tual property-related litigation cases.* In accordance with the Company’s development strategy and market demand for products

Project Initiation

BioKangtai selects topics for proposed R&D projects prepares project feasibility analysis While protecting its own intellectual property rights the Company fully respects the intellectual property rights of others. In the product

development process intellectual property management personnel participate deeply in all aspects covering key links such as patented

Review and reports and submits project initiation applications. It conducts technical economic and legal

technology research patent infringement analysis and formulation of design-around solutions. It formulates patent layout plans tailored

risk demonstrations for proposed projects issues evaluation reports after demonstration

Decision-Making to different types of products. Throughout the R&D process it closely monitors the output dynamics of innovative achievements and

and formally initiates projects upon approval.timely evaluates their patentability. Based on an accurate grasp of the rules of various intellectual property application systems it fully

utilizes these rules to strive for the optimal patent portfolio thereby enhancing the commercial value of R&D products.* The project leader exercises control and management over the progress quality and other

Number of New Patent

aspects of the project and the implementation is carried out in strict accordance with the 8Applications in the Year

relevant policies of the National Medical Products Administration and the National Health

Implementation Number of Software

Commission.Copyrights Held 14

and Control

* The Scientific Research Management Department organizes the Advisory Committee Number of Trademarks and 29

Registration Department and other relevant members to conduct regular evaluations on Character Registrations Held

whether to continue projects based on market conditions clinical value and other factors.Number of Copyrights Held 2

Number of Valid Patents Held 100

* Upon achieving phased results project directors submit applications for phased project

Acceptance acceptance for work in each stage and the Director of the R&D Center uniformly organizes 0 20 40 60 80 100 120

and completes acceptance for each stage.

2025 Performance(Unit: Item)Environmental Social and Governance (ESG) Report 2025 Part One Integrity Governance Efficient operation Coagulation symbiosis Innovation Excellence appendix 40

Scientific and Technological Ethics Collaborative Innovation

The Company strictly follows R&D ethics in scientific research and innovation Focusing on cutting-edge technology R&D and industrialization transforma-

and abides by the Declaration of Helsinki and relevant ethical guidelines in tion paths in the vaccine field the Company actively strengthens innovative

clinical trials. It has established an Animal Ethics Committee and implements cooperation with domestic and foreign research institutes universities and

the 3R Principles (Reduction Replacement Refinement) in animal experiments high-quality enterprises in the industry and establishes a long-term and

and builds a graded biosafety protection system to prevent the leakage of stable strategic collaboration mechanism. Through such cooperation models

biological aerosols and pathogens. the Company continuously attracts top talents and core technical resources in

the industry effectively promotes joint development in new vaccine technolo-

gies and provides all-round support for the R&D process and industrializa-

tion of innovative products.Indicators and Targets

While laying out the development of multi-component and multi-valent vaccines novel vaccines and upgraded existing vaccines the Company focuses on applied

research of new vaccine technology paths and the establishment of new technology platforms including mRNA technology viral vector technology novel adjuvant

technology etc. aiming to meet the escalating public health needs.Case

A New Milestone in Multi-Component Vaccine Layout – the Fastest-Progressing Domestic Pentavalent Vaccine Launches Phase III Clinical Trials

During the reporting period the Adsorbed Acellular DTaP-Inactivated Poliomyelitis and Haemophilus influenzae Type b Combined Vaccine (Pentavalent Vaccine) developed

by BioMinhai a wholly-owned subsidiary of the Company has officially launched Phase III clinical trials and successfully enrolled the first subject. The Pentavalent Vaccine is

used to prevent invasive infections caused by diphtheria tetanus pertussis poliomyelitis and Haemophilus influenzae type b. It has advantages such as reducing the number

of vaccinations for infants and young children and improving vaccination compliance among parents and infants. Currently no domestic product of this kind has been

marketed.The Pentavalent Vaccine developed by BioMinhai is the first domestic Pentavalent Vaccine to enter Phase III clinical trials and also the fastest-progressing domestic Pentava-

lent Vaccine. If successfully developed it will break the monopoly of imported products lay a solid foundation for the R&D of hexavalent vaccines and other multi-component

vaccines and make greater contributions to the global public health cause.Unit 2025 PerformanceEnvironmental Social and Governance (ESG) Report 2025 Part One Integrity Governance Efficient operation Coagulation symbiosis Innovation Excellence appendix 41

Product Quality and Safety

Governance Impact Risk and Opportunity Management

BioKangtai strictly abides by the Pharmaceutical Administration Law of the People’s The Company has established the Quality Risk Management Procedures which assess control communicate and review quality risks throughout the entire product life cycle based on

Republic of China the Vaccine Administration Law of the People’s Republic of China the scientific knowledge and objective data to ensure product quality and protect patient health. It controls the outcomes of various uncertainties within the expected acceptable range to

Measures for the Administration of Drug Registration the Measures for the Administra- ensure that product quality meets requirements. With sufficient knowledge facts and data it proactively infers possible future events and avoids hazards through risk control.tion of Batch Issuance of Biological Products and other laws and regulations. Based on

the ICH Q10 Pharmaceutical Quality System (PQS) theoretical model and in accordance

with regulations such as Good Manufacturing Practice (GMP) for Drugs the Company Link Measures

has established a quality system covering the entire product life cycle including drug

R&D technology transfer commercial production and product withdrawal. The Company

has formulated the Quality Manual clarifying that the enterprise principal (the Chairman Identify potential hazard events or possible hazards; conduct qualitative or quantitative analysis on identified risks and evaluate risk levels to Risk Assessment

or the General Manager/Executive Deputy General Manager designated by the Chair- support risk prevention and control.man) is the primary person responsible for drug quality and takes overall charge of the

Company’s daily management.In accordance with risk assessment results and pre-established risk acceptance principles when the risk assessment result exceeds the acceptable

Meanwhile the Company has obtained ISO 9001 quality management system certifica- Risk Control

level measures shall be taken to reduce or avoid risks.tion and undergoes GMP inspections by national/provincial/municipal drug regulatory

authorities every year. All inspections in 2025 concluded with a pass.At each stage of the implementation of risk management procedures the QA department and relevant departments (drug regulatory system

Strategy Risk Communication industry patients internal departments of the Company etc.) shall exchange and share information on the progress and management i.e. conduct risk communication.The Company continuously strengthens product quality control always regards product

quality as the lifeline of the enterprise deeply practices the quality culture philosophy

Output of Quality After completing the risk assessment report the Company follows up on the risk response measures involved to confirm that they are implemented

and has established a comprehensive quality management system covering the entire Risk Management as required and achieve the expected results.product life cycle including R&D technology transfer commercial production post-mar-

keting management product sales and after-sales service. It strictly abides by product

quality standards to ensure that all processes such as R&D production and distribution

Conduct risk supervision and review. If the residual risk is still unacceptable after the implementation of risk response measures adjust or formulate

comply with relevant laws and regulations. Risk Review

new response measures and evaluate their effects until the residual risk is acceptable.Environmental Social and Governance (ESG) Report 2025 Part One Integrity Governance Efficient operation Coagulation symbiosis Innovation Excellence appendix 42

Product Life Cycle Management Whole-Process Intelligent Digital Management

On the basis of complying with China’s vaccine regulatory system the Company has fully drawn on and adopted international regulatory guidelines including WHO ICH PIC/S and EU_GMP By introducing advanced information management systems the Company has

and established a product life cycle pharmaceutical quality management system covering R&D technology transfer commercial production and post-marketing management. Strict realized the efficient integration of intelligent digital quality control and compliance

management processes and requirements are set for raw material control production vaccine storage and transportation vaccine application and other links. in all links promoting the transformation of quality management from the traditional

model to intelligent digital upgrading and building a solid technical defense for

In addition the Company has established a closed-loop system covering the entire process from product inspection non-conforming product handling problem solving to product recall.quality and safety. Relying on the intelligent digital architecture information manage-

It not only realizes end-to-end risk management from prevention and control to correction but also ensures that every link is traceable and improvable.ment platform the Company implements the management philosophy of compli-

ance efficiency and precision into every link of the product life cycle promotes the

Aspect Measures full integration of quality management services and ensures the accurate implemen-

tation and efficient execution of quality control measures.Formulate inspection procedures and Sampling and Retention Management Procedures Investigation Procedures for Out-of-Limit Laboratory

Product Inspection Test Results and other documents and carry out quality inspection and laboratory management in accordance with requirements. Stage Content

Adopt digital tools to integrate and analyze R&D data

Non-Conforming Implement closed-loop management of non-conforming products from identification isolation review to disposal in accordance with the strictly follow scientific norms and quality standards and

Product Control Non-Conforming Product Management Procedures. Product R&D guarantee the reliability and technological innovation of

R&D results.Formulate the Product Recall Management Procedures with specific provisions on the scope responsibilities and contents of finished product

Product Recall

recall ensuring that finished product recall can be initiated at any time and organized quickly and effectively. Establish a dynamic evaluation model and access mecha-

nism through the supplier management information

system realizing full-chain digital process management

Raw Material

from supplier qualification review raw material quality

Procurement evaluation to raw material access and advancing quality

The Company classifies product recalls into voluntary recalls and mandatory recalls according to recall circumstances and divides them into Class I Class II and Class III recalls based on management to the source of the raw material supply

the severity of pharmaceutical quality defects or other potential safety hazards. Regular simulated recalls are conducted to evaluate and ensure the effectiveness of the product recall chain.system. During the reporting period no product withdrawal or recall incident due to health and safety reasons occurred in the Company. The Company has formulated Finished Product

Recall Procedures which stipulate the applicable scope responsibilities and specific contents of recalls to ensure that recall operations can be initiated at any time and implemented

promptly and effectively. The recall process is as follows: after a quality incident occurs report to the Pharmaceutical Safety Committee initiate pharmaceutical safety risk investigation and Take the Manufacturing Execution System (MES) as the

assessment and decide whether to launch a recall; implement the recall formulate and implement corrective and preventive actions and track implementation effectiveness; close the core to implement online monitoring of the entire produc-

Manufacturing tion line collect and monitor process parameters in real

recall action upon meeting requirements and archive records of the entire process.Process time ensure process robustness between batches and

consistency and stability of product quality and realize

transparency and controllability of the production process.Integrate advanced testing instruments and Laboratory

Information Management System (LIMS) into an intelligent

Product Inspection digital inspection and analysis platform ensuring the

and Release accuracy and traceability of product inspection data so

that every batch of released products meets quality

standards.Environmental Social and Governance (ESG) Report 2025 Part One Integrity Governance Efficient operation Coagulation symbiosis Innovation Excellence appendix 43

Quality Culture Construction Indicators and Targets

Case Indicator 2025 Performance

Organizing Data Integrity Training to Consolidate the Compliance Bottom Line

Data integrity is the bottom-line requirement of regulatory compliance and also the cornerstone of vaccine safety. In 2025 the Company organized three series of data Number of Product Recalls 0 Case

integrity-themed training sessions covering more than 700 people in total namely “Strengthening Quality Awareness Consolidating the Vaccine Safety Line” “PrincipleAnalysis of Data Integrity Risks and Governance” and “Sharing of Data Integrity Risks in Quality Inspections” aiming to strengthen quality awareness and consolidate the

vaccine safety line. Number of Product Quality

Training Sessions 7434 Session

Number of Enterprises

with Quality Management

System Certification 5 Enterprise

Improvement of Product Quality

he Company attaches great importance to product quality and safety and organizes training courses including management procedures for corrective and preventive actions and personnel hygiene management procedures. The Company formulates an annual GMP self-inspec-

tion plan and regularly conducts GMP self-inspections combined with routine quality inspections to monitor the operation of the Company's quality management system assess compliance with GMP and other relevant regulatory requirements and propose necessary correc-

tive and preventive actions. In addition the Company accepts irregular audits from external authorities such as the National Medical Products Administration and the Guangdong Medical Products Administration. On the basis of complying with China's vaccine regulatory system

the Company has drawn on international guidelines including WHO ICH PIC/S and EU GMP to establish a full life cycle pharmaceutical quality management system covering product research and development technology transfer commercial production and post-marketing

management. Strict management procedures have been established for raw material control product production vaccine storage transportation and application. The Company has formulated systems such as Material Management Procedures and Supplier Management

Procedures and implements full-process access control over material procurement acceptance inspection storage release and use against material lists and quality standards. Meanwhile it has developed production procedures and operational procedures for each product

to guide production operations and quality monitoring and continuously conducts product quality monitoring and stability studies to ensure the stable production of products meeting intended uses and registration requirements. In view of the strict storage and transportation

conditions for vaccines the Company conducts periodic verification of cold chain facilities and vehicles and adopts an advanced online monitoring system to realize full-process cold chain temperature monitoring ensuring the safety and reliability of storage and transportation.Protecting patient health is the mission and responsibility of vaccine practitioners. To this end the Company has established smooth customer feedback channels and handling mechanisms set up a dedicated pharmacovigilance department and conducts signal detection

evaluation and management of AEFI information.Environmental Social and Governance (ESG) Report 2025 Part One Integrity Governance Efficient operation Coagulation symbiosis Innovation Excellence appendix 44

Customer Relationship Management

The Company adheres to the development strategy of “bringing in advanced technologies and going global with domestic vaccines” and maintains friendly

and win-win relations with partners through finished product distribution bulk export technology transfer and other approaches. It focuses on introducing Responsible Marketing

internationally advanced technologies to enrich its own technology layout and reserves and enhances independent innovation capability on the basis of

introduction and absorption so as to promote the transformation of independent innovative technological achievements. In addition while deeply cultivating The Company strictly abides by the Advertisement Law of the People’s

the domestic market and continuously optimizing the sales network layout the Company keeps increasing the expansion of international business and Republic of China the Trademark Law of the People’s Republic of China

promotes its products to the global market. At present overseas business covers Southeast Asia South Asia the Middle East Africa Latin America and other and other laws and regulations and upholds the principles of accuracy

regions with products including 13-valent and 23-valent pneumococcal vaccines varicella vaccine combined vaccines and other varieties. clarity and transparency in market promotion. False advertising is strictly

prohibited in the marketing process. The Company has formulated the

Customer Complaint Handling Management System for the Production Collection and Use of Promotion-

al Materials and Products which clarifies the production process and

approval procedures for promotional materials and regulates the compli-

The Company has established sound customer communication channels and complaint management processes and timely collects customer feedback through multiple channels

ance review of market promotion materials. Product promotional materials

such as the 400 service hotline and customer feedback collection to ensure unimpeded communication. It has formulated the User Complaint Management Procedures which speci-

are compiled by the product team reviewed by the Medical Affairs Depart-

fy the handling processes for medical inquiries and quality complaints respectively. Upon receiving inquiries the Company replies with information in accordance with the Operating

ment verified by the Marketing and Medical Directors and finally

Procedures for Medical Inquiry and Complaint Handling. Upon receiving quality complaints it promptly conducts internal communication and investigation in accordance with the

approved by the Marketing Center head to ensure the accuracy clarity and

Customer Feedback and Complaint Management Procedures and organizes relevant departments to formulate corrective and preventive measures to ensure timely and proper

transparency of market promotion materials.resolution of issues.Custommer Ouality Commplaint Process Key Perforimance Indicators:

Improve customer

The Marketing Center collects customer feedback and receives During the reporting period the Company

customer complaint information.Achieved a satisfaction

100%

The Company conducts customer satisfaction surveys in a timely manner

customer complaint resolution rate.The Quality Assurance Department organizes relevant to fully understand customer opinions and suggestions and continuously

departments to conduct investigations and forimuilate improves service quality guided by customer needs. The Company attach-

corrective and preventive actions. es great importance to customer feedback continuously optimizes proce-

dures for the investigation handling tracking and supervision of customer

complaints conducts retrospective analysis of customer feedback and

makes active improvements to systematically enhance customer satisfac-

tion.The Marketing Center assists in the investigation responds

to customers and closes the complaint.““Environmental Social and Governance (ESG) Report 2025 Part One Integrity Governance Efficient operation Coagulation symbiosis Innovation Excellence appendix 45Supply Chain Management

Governance

In accordance with the Good Manufacturing Practice (GMP) for Drugs and other laws and regulations the Company has formulated systems including the Supplier Management Measures

and Procurement Management System to continuously standardize procurement processes and optimize supplier management. It applies a digital procurement system to reduce error rates

from contract approval to material warehousing and improve work efficiency.* Strictly control supplier access qualifications set

general qualification requirements and category-spe-

cific qualification requirements by supplier category

2 and rigorously review suppliers’ business qualifications

* Establish a supplier review and evaluation team to and material quality standards to ensure compliance

assess suppliers using quantified scoring criteria cover- Supplier Access with quality and technical standards for production.ing quality control delivery timeliness cost manage-

ment service level and other aspects.* Assessors shall fill in the Supplier Assessment Form

during evaluation and take corresponding actions based Supplier Assessment

on the results. and Evaluation

* After evaluation purchasers shall promptly notify

suppliers of the evaluation criteria and results in writing

take corresponding measures and put forward sugges-

tions according to the evaluation outcomes. 3

Supplier Information * Upon receiving a notice of supplier information

Change change purchasers shall identify and confirm wheth-

4 er the change affects subsequent material supply or

services. Changes to suppliers of production materi-

* Suppliers failing to meet standards shall be eliminated in a

als shall also comply with the GMP change control

timely manner. Supplier management documents.* Elimination of suppliers of production materials shall be Elimination

carried out in strict accordance with the Company’s GMP

supplier management procedures.“Environmental Social and Governance (ESG) Report 2025 Part One Integrity Governance Efficient operation Coagulation symbiosis Innovation Excellence appendix 46Strategy Indicators and Targets

The Company is committed to building a supply chain system featuring resilience transparency and responsibility. Through stringent access thresholds digital traceability

systems and strategic reserve mechanisms it ensures the stable supply and quality safety of key materials. Meanwhile the Company actively practices responsible procurement

integrates environmental performance and business ethics into the whole life cycle management of suppliers and promotes the sustainable development of the biopharmaceu- Indicator Unit 2025 Performance

tical industrial chain.Impact Risk and Opportunity Management Total Number of Suppliers Unit 1466

Resilience Management Sustainable Supply Chain Development

Percentage of Suppliers

%

Signing the Supplier Code of Conduct 100

BioKangtai systematically constructs a supply chain resilience management system The Company adheres to the principles of integrity-based cooperation and mutual

through diversified layout and full-process control. The Company continuously benefit and is committed to building a compliant integrity-based and sustainable

promotes the domestic substitution of key imported materials implements a supply chain system with partners to protect the legitimate rights and interests of

multi-supplier strategy for core materials and combines dynamic safety stocks to suppliers. It has formulated and implemented the Supplier Code of Conduct which Percentage of Suppliers Signing

effectively insulate against supply disruption risks. On the quality control front full puts forward clear requirements for suppliers’ behavior from multiple dimensions Contracts with Environmental % 100

inspection is conducted for all materials upon arrival and transportation specifica- including legal compliance human rights and labor environmental protection and and Labor Requirements Clauses

tions are clearly defined through contracts and quality agreements. Relying on the business ethics to ensure a transparent and regulated supply chain during the

Warehouse Management System (WMS) a unique traceability code is assigned to operation.materials upon warehousing realizing full-process information traceability from

Meanwhile the Company deeply integrates the two dimensions of green logistics

warehousing to distribution.and biosafety to comprehensively reduce environmental footprint and strengthen

Equal Treatment of Small and Medium-sized risk control. In the logistics link the Company optimizes routes through the "trunk line + regional" hybrid distribution model plans the shortest path using intelligent

Enterprises software and sets distance and network constraints on third-party carriers to

effectively reduce energy consumption. In terms of special material control

full-process closed management is strictly implemented for customs-supervised

Upholding the principles of fairness impartiality and mutual benefit the Company materials such as imported virus strains which are managed exclusively by desig-

treats small and medium-sized enterprises (SMEs) equally standardizes contract nated personnel in P2 (BSL-2) laboratories after risk assessment and approval and

performance and payment procedures and effectively safeguards the legitimate are subject to customs inspection throughout the process.rights and interests of SMEs. It also firmly eliminates unreasonable payment terms

and invisible thresholds fostering a fair and transparent cooperative environment.Environmental Social and Governance (ESG) Report 2025 Part One Integrity Governance Efficient operation Coagulation symbiosis Innovation Excellence appendix 47

Collaboration with

Case

Industry Peers

Executive of BioKangtai and BioMinhai Awarded the “Outstanding Achievement Award of the 19th Pharmacy Development Award”

In November 2025 the award ceremony of the 19th Pharmacy Development Award was held in Beijing. Attendees of the

ceremony included Chen Zhili former State Councilor and Vice Chairperson of the 11th Standing Committee of the National The 19th Pharmacy

The Company actively participates in various industry activities shares Development Award for People's Congress Academician Zhang Boli Academician Chen Kaixian Academician Zhang Gaiping Academician Yue Outstanding Achievements

practical experience and development achievements and promotes Jianmin Academician Wang Junzhi Academician Xia Ningshao as well as more than 300 experts and scholars from

the sustainable development of the industry. In the future the Company renowned universities research institutes and medical institutions.will continue to act as a “leader” in technological innovation for the

biopharmaceutical industry continuously strengthen the industrial Liu Jiankai Director and Vice President of BioKangtai and Executive Deputy General Manager of BioMinhai was awarded the “Outstanding Achievement Award”. Follow-cluster effect and make greater contributions to promoting the overall ing the award ceremony a series of academic exchanges were held. Among them the Vaccine Innovation Forum themed “Focusing on Frontiers Interdisciplinary Integra-high-quality development of China's pharmaceutical and health sector. tion and Translational Application” was co-organized by BioMinhai a wholly-owned subsidiary of BioKangtai Experts attending this academic event included academi-

cians of the Chinese Academy of Engineering renowned university scholars medical experts and enterprise representatives who gathered to discuss cutting-edge

topics and industrialization paths of global vaccine research and development.“Environmental Social and Governance (ESG) Report 2025 Part One Integrity Governance Efficient operation Coagulation symbiosis Innovation Excellence appendix 48Appendices

About this Report

This report is the fifth Environmental Social and Governance (ESG) report released by BioKangtai.Report Scope Data Sources

This Report takes Shenzhen Kangtai Biological Products Co. Ltd. as the main entity and covers its subsidiaries. Unless otherwise Data used in this report include official government statistics internal statistical statements third-party questionnaires administrative

specified the scope of this Report is consistent with that of the Company’s annual report. documents and reports third-party evaluations and interviews etc.Time Period Reliability Statement

This report is an annual report covering the period from January 1 to December 31 2025. Certain content may exceed the aforemen- The Company confirms that this report contains no false records misleading statements or material omissions.tioned period and clarification will be provided where applicable.Definitions Access to the Report

Term Refers to Full Name This report is available for review and download on the Company’s website (http://www.biokangtai.com) and the Shenzhen Stock

Exchange website (http://www.szse.cn) and the CNINFO website (http://www.cninfo.com.cn). This report is published in both Chinese

and English. The English version is translated from the Chinese version. In the event of any discrepancy between the two versions the

BioKangtai the Company We Refers to Shenzhen Kangtai Biological Products Co. Ltd.Chinese version shall prevail.BioMinhai Refers to Beijing Minhai Biotechnology Co. Ltd. a wholly-owned subsidiary

Preparation Basis

* Shenzhen Stock Exchange Self-Regulatory Guidelines for Listed Companies No. 17 – Sustainable Development Report (for Trial

Implementation)

* Shenzhen Stock Exchange Self-Regulatory Guidelines for GEM Listed Companies No. 3 – Preparation of Sustainable Development

Reports

* United Nations Sustainable Development Goals (SDGs)

* Global Reporting Initiative GRI Standards: Sustainable Development Reporting (2021 edition)Environmental Social and Governance (ESG) Report 2025 Part One Integrity Governance Efficient operation Coagulation symbiosis Innovation Excellence appendix 49

ESG Performance Table

Indicator Unit 2025 Performance Indicator Unit 2025 Performance

Total Number of Directors person 7 Sessions of Anti-Corruption Training session 2

Sessions of Training Organized for Board Members session 4 Number of Valid Patents Held piece 100

Number of Board Meetings Held session 7 Number of Valid Patents Per Hundred Million RMB of Revenue piece/CNY 3.74

Attendance Rate of Board Members % 100 Number of Copyrights Held piece 2

Number of General Meetings of Shareholders Held session 4 Number of Trademarks and Literal Registration Rights Held piece 29

Number of Audit Committee Meetings Held session 4 Number of Software Copyrights Held piece 14

Number of Nomination Committee Meetings Held session 3 Number of Software Copyrights Per Hundred Million RMB of Revenue piece/CNY 0.52

Number of Remuneration and Evaluation Committee Meetings Held session 3 Number of New Patent Applications Filed in the Year piece 8

Number of Strategy Committee Meetings Held session 2 Total Number of Employees person 1957

Proportion of Independent Directors in the Audit Committee % 66.67 Number of R&D Employees person 353

Proportion of Independent Directors in the Remuneration Committee % 66.67 Number of Labor Dispatch Employees person 20

Proportion of Independent Directors in the Nomination Committee % 66.67 Number of Part-Time Employees person 16

Number of Employees Receiving Compliance Training person 150 Number of Female Employees person 743

Total Hours of Employee Compliance Training hour 4 Proportion of Female Employees % 37.96

Sessions of Compliance Training Organized by the Company session 2 Number of Ethnic Minority Employees person 110

Total Number of Employees Receiving Anti-Corruption Training person 150 Proportion of Ethnic Minority Employees % 5.6Environmental Social and Governance (ESG) Report 2025 Part One Integrity Governance Efficient operation Coagulation symbiosis Innovation Excellence appendix 50

Indicator Unit 2025 Performance Indicator Unit 2025 Performance

Number of Employee Attrition / Turnover person 167 Total Water Intake from All Regions megaliter 1287.78102678

Employee Attrition Rate / Turnover Rate % 7.9 Total Volume of Recycled / Reclaimed Water megaliter 82362

Total Training Hours for Employees hour 6751 Total Wastewater Discharge Volume cubic meter 1196225.064

Average Training Hours Per Employee hour 12 Chemical Oxygen Demand (COD) Note: Statistics from Kangtai Bio. mg/L 0.72251064461348

Percentage of Total Employees Receiving Regular Performance and Career

%100

Development Appraisals Ammonia Nitrogen Note: Statistics from BioKangtai. mg/L 0.01529074763054

Employee Training Coverage Rate % 100

Total Phosphorus Note: Statistics from BioKangtai. mg/L 0.00845600555195333

Natural Gas cubic meter 9168.715

Total Volume of Recyclable Waste ton 27

Liquefied Petroleum Gas ton 0

Total Volume of General Solid Waste ton 116.604

Steam cubic meter 212587.21

Total Recycled Volume of General Solid Waste Note: Statistics from BioMinhai. ton 48.185

Raw Coal ton 0

Total Volume of Hazardous Waste ton 254.211149

Diesel Oil liter 79780

Environmental Protection Investment ten thousand RMB 178.2

Gasoline liter 24190

Total Investment in Energy Conservation and Emission Reduction ten thousand RMB 0

Fuel Oil Note: Consumption of gasoline and diesel by vehicles only covers

ton 0

company-owned vehicles excluding third-party transportation vehicles.Total Value of Material Fines Imposed for Violations of Environmental

Renewable Energy2 Note: As defined in ISO/IEC CD 13273-1.2 ten thousand RMB 0Laws and / or Regulations

renewable energy includes wind solar hydro geothermal energy etc. kWh 36532400

Total Number of Non-Monetary Sanctions Imposed for Violations of Environmental

Purchased Electricity Note: If there are overseas operating sites please case 0

kWh 95956240 Laws and / or Regulations

separately specify the purchased electricity in such countries or regions.Number of Occupational Disease Cases person 0

Direct (Scope 1) Greenhouse Gas Emissions metric ton of equivalent 15000.69

Number of Work-Related Fatal Accidents case 0

Energy-Indirect (Scope 2) Greenhouse Gas Emissions metric ton of equivalent 41496.81

metric ton of equivalent /

Greenhouse Gas Emission Intensity 0.33 Number of Deaths from Work-Related Accidents person 0

operating revenue or sales

Greenhouse Gas Emission Reduction Volume metric ton of equivalent 22065.57 Fatality Rate Per Million Working Hours % 0Environmental Social and Governance (ESG) Report 2025 Part One Integrity Governance Efficient operation Coagulation symbiosis Innovation Excellence appendix 51

Indicator Unit 2025 Performance Dimension No. Topic Corresponding Clause Corresponding Chapter

Percentage of Security Personnel Who Have Received Formal Training on Organizational 3 Waste Management Article 31 Pollutant Emissions and Waste Management

Labor Rights Policies or Specific Procedures and Their Application % 100

Note: Statistics from BioKangtai.

4 Ecosystem and Biodiversity Conservation Article 32 Biodiversity Conservation

Investment in Employee Occupational Health and Safety ten thousand RMB 67.23 5 Environmental Compliance Management Article 33 Environmental Compliance Management

Environment

Work Safety Investment ten thousand RMB 223.18 6 Energy Utilization Article 35 Resource Utilization and Circular Economy

Total Number of Suppliers unit 1466 7 Water Resource Utilization Article 36 Resource Utilization and Circular Economy

Percentage of Suppliers That Have Signed the Supplier Code of Conduct % 100 8 Circular Economy Article 37 Resource Utilization and Circular Economy

Percentage of Suppliers That Have Signed Contracts Including Clauses

%100

on Environmental and Labor Requirements 9 Rural Revitalization Article 39 Rural Revitalization and Social Public Welfare

Number of Product Recall Incidents case 0 10 Social Contribution Article 40 Rural Revitalization and Social Public Welfare

Sessions of Product Quality Training session 7434 11 R&D and Innovation Article 42 R&D and Innovation

Number of Enterprises Certified with Quality Management Systems unit 5 12 Tech Ethics Article 43 R&D and Innovation

Social 13 Supply Chain Security Article 45 Supply Chain Management

14 Equal Treatment for SMEs Article 46 Supply Chain Management

15 Product and Service Safety and Quality Article 47 Product Quality and Safety

ESG Indicator Index 16 Data Security and Customer Privacy Protection Article 48 Information Security Protection

Employee Rights and Interests Training and

Self-Regulatory Guidelines for Listed Companies on the Shenzhen Stock 17 Employees Article 50 DevelopmentOccupational Health and Safety

Exchange No.17 – Sustainable Development Reports (for Trial Implementation)

18 Due Diligence Article 52 Due Diligence

Dimension No. Topic Corresponding Clause Corresponding Chapter Sustainable 19 Stakeholder Communication Article 53 Stakeholder Communication

Development-

Related

1 Climate Change Response Articles 21 to 28 Climate Change Response Governance 20 Anti-Commercial Bribery and Anti-Corruption Article 55 Business Ethics

Environment

2 Pollutant Emissions Article 30 Pollutant Emissions and Waste Management 21 Anti-Unfair Competition Article 56 Business Ethics

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