Core Viewpoint - The document outlines the internal reporting and confidentiality system for major information at Qingdao Dingxin Communication Co., Ltd, aiming to ensure effective communication, review control, and timely disclosure of significant information to protect investors' rights [1][2]. Group 1: Major Information Definition and Reporting Obligations - Major information refers to any information that could significantly influence public investors' decisions or the trading price of the company's stock and derivatives, including but not limited to major events, transaction information, and management information [1][2]. - The board of directors is designated as the management body for major information, with the board secretary responsible for managing and disclosing this information [2][3]. - Individuals with reporting obligations include major shareholders, directors, senior management, and other personnel involved in confidential work [1][2][3]. Group 2: Scope of Major Information - Reportable major information includes significant asset transactions, related party transactions, litigation, and any events that could materially affect the company's financial performance or operations [3][4]. - Specific thresholds for reporting include transactions exceeding 10% of the audited annual revenue or net profit, or absolute amounts exceeding RMB 1 million [3][4]. Group 3: Internal Reporting Management and Responsibilities - Reportable major information must be reported to the board secretary within one working day of becoming aware of it, with detailed follow-up reports required after the matter is resolved [5][6]. - The board secretary is responsible for analyzing reported information and proposing disclosure plans to the board [5][6]. Group 4: Confidentiality Obligations - Individuals with access to undisclosed major information must maintain confidentiality and limit the number of people who are informed [7][8]. - Major shareholders and actual controllers must notify the company immediately of any significant events that could affect confidentiality [7][8]. Group 5: Accountability and Penalties - Failure to fulfill reporting obligations can lead to disciplinary actions, including warnings, fines, or termination of employment, especially if it results in significant negative consequences for the company [9].

Core Viewpoint - The company has established a comprehensive internal reporting and confidentiality system for significant information to ensure timely, accurate, and complete disclosure, thereby protecting investors' rights [1][2][3]. Group 1: Internal Reporting System - The company implements a real-time reporting system for significant information, requiring responsible personnel to inform the board secretary promptly [2][3]. - The reporting obligations extend to major shareholders, directors, senior management, and other personnel who may come into contact with confidential information [2][3]. - The company mandates that any significant information must be reported within one working day of becoming aware of it [5][6]. Group 2: Definition of Significant Information - Significant information includes major transactions, related party transactions, litigation, and any events that could materially affect the company's financial status or operations [4][5]. - Specific thresholds for reporting include transactions exceeding 10% of audited annual revenue or net profit, and other criteria related to asset impairment or major losses [4][5]. Group 3: Confidentiality Obligations - All personnel with access to significant information must maintain confidentiality until the information is publicly disclosed [7][8]. - The company restricts the number of individuals who are aware of confidential information to minimize the risk of leaks [7][8]. Group 4: Responsibilities and Consequences - The board of directors is responsible for overseeing the internal reporting and disclosure processes, with the board secretary handling the specifics of external disclosures [6][9]. - Failure to report significant information or breaches of confidentiality can lead to disciplinary actions, including potential termination and liability for damages [9][11].