Xinjiang Communications Construction Internal Control Evaluation Report

Xinjiang Communications Construction Group Co., Ltd. Internal Control Evaluation Report Xinjiang Communications Construction Group Co., Ltd. Internal Control Evaluation Report To all shareholders of Xinjiang Communications Construction Group Co., Ltd.: In accordance with the "Basic Norms for Enterprise Internal Control" and its supporting guidelines, as well as other internal control regulatory requirements (hereinafter referred to as the "Enterprise Internal Control Norms System"), and combined with the internal control system and evaluation methods of Xinjiang Communications Construction Group Co., Ltd. (hereinafter referred to as the "Company"), based on daily supervision and special supervision of internal control, the internal control system is continuously optimized to adapt to the ever-changing external environment and internal management requirements. We have evaluated the effectiveness of the Company's internal control as of December 31, 2025 (the base date of the internal control evaluation report). I. Important Statement In accordance with the requirements of the Enterprise Internal Control Norms System, it is the responsibility of the Company's Board of Directors to establish, improve, and effectively implement internal control and evaluate its effectiveness, and to disclose the internal control evaluation report truthfully. The Audit Committee supervises the establishment and implementation of internal control by the Board of Directors. The management is responsible for organizing and leading the daily operation of the Company's internal control. The Company's Board of Directors, Audit Committee, Directors, and Senior Management guarantee that the content of this report does not contain any false records, misleading statements, or major omissions, and shall bear personal and joint legal liability for the authenticity, accuracy, and completeness of the report's content. The objectives of the Company's internal control are: to reasonably ensure that business operations are legal and compliant, assets are safe, financial information and management information are true and complete, operating efficiency and effectiveness are improved, and development strategies are achieved. Due to the inherent limitations of internal control, changes in the internal environment and macro environment, and continuous changes in policies and regulations, existing control activities may become inapplicable or deviate. The Company has established a monitoring and supervision mechanism to supplement and improve the internal control system in a timely manner, providing reasonable assurance for the truthfulness and completeness of financial reporting and the achievement of strategic and operational objectives. II. Internal Control Evaluation Conclusion Based on the identification of major deficiencies in the Company's financial reporting internal control, there were no major deficiencies in financial reporting internal control as of the base date of the internal control evaluation report. The Board of Directors believes that the Company has maintained effective financial reporting internal control in all material respects in accordance with the requirements of the Enterprise Internal Control Norms System and relevant regulations. Based on the identification of major deficiencies in the Company's non-financial reporting internal control, no major deficiencies in non-financial reporting internal control were found as of the base date of the internal control evaluation report. No factors have occurred between the base date of the internal control evaluation report and the issuance date of the internal control evaluation report that affect the conclusion on the effectiveness of internal control evaluation. III. Overall Situation of Internal Control Evaluation Work With the joint efforts of the Board of Directors, senior management, and all employees, the Company has established a complete and effective Page 1 of 10 modern internal control management system, establishing a systematic internal control system and necessary internal supervision mechanisms from the Company level to the business process level, providing reasonable assurance for the legality and compliance of the Company's business management, asset safety, truthfulness and completeness of financial and management information, and improvement of operating efficiency and effectiveness, and promoting the achievement of development strategies. The Company's Board of Directors is