ESG Report 2025

The Report covers the Group's management approaches and annual performance in environmental and social aspects relating to its pharmaceutical R&D, production and sales businesses. During the Year, the disclosure scope of environmental key performance indicators primarily covered the production workshops of The United Laboratories (Inner Mongolia) Co., Ltd., excluding its fossil-fuel power station located in Inner Mongolia. The Group will continue to expand the scope of environmental data disclosure and gradually cover more subsidiaries. For details of corporate governance, please refer to the Corporate Governance Report in the Company's Annual Report. 1.2 Reporting Framework The Report has been prepared in accordance with Appendix C2 Environmental, Social and Governance Reporting Code (the “Code”) to the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited (the “Stock Exchange”). Unless otherwise specified, the currency unit used in this Report is Renminbi. 1.3 Reporting Principles The Report has been prepared in strict accordance with the four reporting principles set out in the Code, so as to ensure the rigour, relevance and transparency of its contents. 1.4 Information and Feedback For further information about the Company's sustainable development, please refer to the official website of The United Laboratories International Holdings Limited at http://www.tul.com.cn/ and its Annual Report. Should you have any comments or suggestions on the Report, please feel free to contact us by email at tulir@tul.com.hk . This Environmental, Social and Governance (“ESG”) Report (the “Report”) published by The United Laboratories International Holdings Limited (the “Company”) (Stock Code: 3933.HK) describes the work carried out and the performance achieved by the Company and its subsidiaries (collectively, “The United Laboratories”, the “Group” or “we”) in relation to sustainable development during the period from 1 January 2025 to 31 December 2025 (the “Year” or the “Reporting Period”). Certain contents trace back to previous years or extend to the date of disclosure of this Report. 1.1 Scope of the Report 01 About this Report 1.3.1 Materiality 1.3.2 Quantitative 1.3.3 Consistency 1.3.4 Balance The contents of the Report were determined based on comprehensive stakeholder participation and materiality assessment process. This process included the systematic identification of ESG-related issues, the collection and review of opinions and suggestions from management and various stakeholder groups, and the assessment of the relative importance of each issue to the business and stakeholders. Ultimately, this Report focuses on and discloses the key issues of common concern to stakeholders. To facilitate stakeholders' comprehensive understanding of the Group's ESG performance, the Report discloses quantified environmental and social key performance indicators. To ensure measurability and reliability, the calculation standards, methodologies, reference data and data sources for the relevant indicators are set out in detail in the corresponding sections of this Report. To facilitate stakeholders' comparison of the Group's ESG performance across different years, we have, where reasonably practicable, adopted a consistent reporting format and statistical methodology. The calculation methods and data boundaries adopted in this Report are consistent with those used in previous years' reports. Where any changes affecting comparability have been made, detailed explanations are provided in the relevant sections. The Group is committed to presenting its ESG performance in a comprehensive and impartial manner. This Report sets out our ESG achievements and challenges in an unbiased manner and seeks to avoid any selections, omissions or presentation formats that might improperly influence the decisions or judgement of readers, thereby ensuring that stakeholders have access to fair and objective information. 1 2025 Environmental, Social and Governance Report The United Laboratories International Holdings Limited