Core Viewpoint - The document outlines the information disclosure management system of Zhongmin Resources Group Co., Ltd., emphasizing the importance of timely, accurate, and complete information disclosure to protect the rights of investors and other stakeholders [1][2][3]. Group 1: General Principles of Information Disclosure - The company must ensure that all disclosed information is truthful, accurate, complete, and understandable, avoiding any misleading statements or omissions [4][5]. - Information disclosure obligations apply to the company, its directors, senior management, shareholders, and other relevant parties [2][3]. - The company is required to disclose information simultaneously to all investors, ensuring no selective disclosure occurs [6][7]. Group 2: Fair Information Disclosure - The company must adhere to the principle of fair disclosure, ensuring all investors have equal access to significant information [13][14]. - Any communication with specific parties, such as analysts or institutional investors, must not include undisclosed material information [15][16]. - The company should conduct investor meetings and presentations in a manner that allows all investors to participate equally [18][19]. Group 3: Content and Standards of Disclosure - The company is obligated to disclose periodic reports, including annual and semi-annual reports, which must contain essential financial and operational information [26][27]. - Significant events that could impact the company's stock price must be disclosed immediately, including changes in management, financial performance, or legal issues [45][46]. - The company must ensure that all disclosures comply with relevant laws and regulations, including those set by the China Securities Regulatory Commission and the Shenzhen Stock Exchange [12][13]. Group 4: Management of Disclosure Affairs - The board of directors is responsible for overseeing the company's information disclosure practices, with the chairman being the primary responsible person [54][55]. - The company must maintain a dedicated securities affairs department to manage disclosure activities and ensure compliance with regulations [60][61]. - All employees involved in the disclosure process must be diligent and ensure timely reporting of any significant information [62][63].

General Principles - The purpose of the insider information management system is to standardize the management of insider information, improve confidentiality, and ensure fair and just information disclosure in accordance with relevant laws and regulations [1][2] - The board of directors is responsible for managing insider information, ensuring accurate and complete records of insider information personnel, with the chairman bearing primary responsibility [2][3] Scope of Insider Information - Insider information refers to non-public information that could significantly impact the company's operations, finances, or stock market prices [3][4] - Examples of insider information include major changes in business strategy, significant asset transactions exceeding 30% of total assets, and major losses or debts [4][5] Registration and Record-Keeping of Insider Information Personnel - Insider information personnel must report any insider information to the board secretary immediately, who will then inform them of confidentiality obligations [6][7] - The company must maintain accurate records of insider information personnel, including their names, relationships to the company, and the nature of the insider information they are privy to [9][13] Confidentiality Management - Insider information personnel are prohibited from disclosing insider information before it is publicly announced and must not use such information for personal gain [20][21] - The company must ensure that confidentiality agreements are signed before disclosing any insider information to personnel [20][22] Accountability and Penalties - The company will impose penalties on insider information personnel who leak information or engage in insider trading, which may include disciplinary actions or legal consequences [15][17] - The company reserves the right to pursue legal action against any party that causes damage through unauthorized disclosure of insider information [15][16]

中矿资源集团股份有限公司 董事会审计委员会工作细则（2025 年 8 月修订） 第一章 总则 第一条 为强化中矿资源集团股份有限公司（以下简称"本公司"或"公司"） 董事会决策功能，实现对公司财务收支和各项经营活动的有效监督，充分发挥公 司内部控制制度的独立性、有效性，保护全体股东及利益相关者的权益，根据《中 华人民共和国公司法》（以下简称"《公司法》"）《上市公司治理准则》《深 圳证券交易所上市公司自律监管指引第 1 号——主板上市公司规范运作》等有关 法律、法规、规章、规范性文件和《中矿资源集团股份有限公司章程》（以下简 称"《公司章程》"）的有关规定，公司设置董事会审计委员会（以下简称"审 计委员会"或"委员会"）。为确保审计委员会规范、高效地开展工作，公司董 事会特制订本细则。 第二条 审计委员会是董事会下设的负责公司内、外部审计的沟通、监督和 核查工作的专门机构。 第三条 审计委员会根据《公司章程》和本工作细则规定的职责范围履行职 责，独立工作，不受公司其他部门干涉。 第二章 人员构成 第四条 审计委员会由三名董事组成，为不在公司担任高级管理人员的董 事，独立董事 2 名，应过半数，其中至少应有一名 ...

中矿资源集团股份有限公司 投资者关系管理制度（2025 年 8 月修订） 第一章 总则 第一条 为进一步完善中矿资源集团股份有限公司（以下简称"公司"）治理 结构，规范公司投资者关系管理工作，加强公司与投资者及潜在投资者（以下统 称"投资者"）之间的有效沟通，促进公司和投资者之间长期、稳定的良好关系， 切实保护投资者特别是中小投资者合法权益，根据《中华人民共和国公司法》 （以 下简称"《公司法》"）《中华人民共和国证券法》（以下简称"《证券法》"）《上 市公司投资者关系管理工作指引》《深圳证券交易所股票上市规则》（以下简称 "《股票上市规则》"）《深圳证券交易所上市公司自律监管指引第1号——主板 上市公司规范运作》（以下简称"《规范运作指引》"）等法律、法规、规章、规 范性文件及《中矿资源集团股份有限公司章程》（以下简称"《公司章程》"）的 有关规定，结合公司实际情况，制定本制度。 第二条 投资者关系管理是指上市公司通过便利股东权利行使、信息披露、 互动交流和诉求处理等工作，加强与投资者及潜在投资者之间的沟通，增进投资 者对上市公司的了解和认同，以提升上市公司治理水平和企业整体价值，实现尊 重投资者、回报投资 ...

General Provisions - The management system for the holding and trading of company stocks by directors and senior management is established to strengthen oversight based on relevant laws and regulations [1][2] - This system applies to the management of shares held by the company's directors and senior management [1] Trading Restrictions - Directors and senior management are prohibited from engaging in margin trading or derivative transactions involving the company's stocks [2] - There are specific circumstances under which shares held by directors and senior management cannot be transferred, including within one year of the company's stock listing and within six months after leaving the company [6] Trading Periods - Directors and senior management are restricted from trading company stocks during certain periods, such as 15 days before the annual and semi-annual reports and 5 days before quarterly reports [3][4] Share Transfer Management - The number of shares that can be transferred by directors and senior management is calculated based on the last trading day of the previous year, with specific rules for newly acquired shares [5] - A reduction plan must be reported to the Shenzhen Stock Exchange 15 trading days before the first sale, detailing the number of shares, time frame, and reasons for the reduction [11] Disclosure Requirements - Directors and senior management must report any changes in their shareholdings within two trading days and disclose details such as the number of shares held before and after the transaction [28][29] - The company must ensure that related parties do not engage in insider trading based on confidential information [31] Compliance and Reporting - The company is responsible for managing the identity and shareholding data of its directors and senior management, ensuring compliance with reporting obligations [19][20] - Any violations of trading regulations will result in the company taking necessary actions, including recovering profits from illegal trades [16]

中矿资源集团股份有限公司 独立董事专门会议工作细则（2025 年 8 月修订） 第一章 总则 第一条 为进一步完善中矿资源集团股份有限公司（以下简称"公司"）的 治理结构，促使并保障公司独立董事有效地履行其职责，更好地维护公司及股东 的利益。根据《中华人民共和国公司法》 （以下简称"《公司法》 第二条 本细则所指的独立董事，是指不在公司担任除董事外的其他职务， 并与公司及其主要股东、实际控制人不存在直接或者间接利害关系，或者其他可 能影响其进行独立客观判断的关系的董事。独立董事应当独立履行职责，不受公 司主要股东、实际控制人或者其他与公司存在利害关系的单位或个人的影响。 第三条 独立董事专门会议是指全部由公司独立董事参加的会议。独立董事 专门会议对所议事项进行独立研讨，从公司和中小股东利益角度进行思考判断， 并且形成讨论意见。 第二章 会议的通知与召开 第四条 公司独立董事定期或者不定期召开独立董事专门会议，原则上应当 于会议召开前三天通知全体独立董事并提供相关资料和信息。经全体独立董事一 致同意，通知时限可不受本条款限制。 第五条 独立董事专门会议可以采取现场会议、电子通讯方式（含视频、电 话等）或现场与电 ...

Core Points - The internal audit system of Zhongmin Resources Group Co., Ltd. aims to standardize internal audit work, enhance quality, clarify responsibilities, and protect investors' rights [1][2] - The internal audit is defined as an evaluation activity conducted by internal personnel to assess the effectiveness of internal controls, risk management, and the authenticity of financial information [1][2] - The board of directors is responsible for establishing and implementing effective internal control systems [1][3] Group 1 - The company has established an internal audit department that operates independently and reports to the board of directors and the audit committee [2][3] - Internal audit personnel must possess the necessary professional capabilities and undergo continuous education to enhance their competencies [2][3] - The audit committee supervises and evaluates the internal audit work, ensuring alignment with the company's strategic goals and risk management [3][4] Group 2 - The internal audit department is responsible for evaluating the completeness and effectiveness of internal control systems across the company and its subsidiaries [4][10] - Internal audit reports must be submitted to the audit committee quarterly, and an annual internal audit report is required [4][12] - The internal audit department must conduct audits on significant external investments, asset purchases, guarantees, and related transactions [11][12] Group 3 - The internal audit department is tasked with ensuring compliance with laws and regulations, enhancing operational efficiency, and safeguarding company assets [4][5] - Internal audit findings related to significant deficiencies or risks must be reported immediately to the audit committee [10][16] - The company must disclose any significant internal control deficiencies or risks in its announcements, along with the measures taken [11][16] Group 4 - The internal audit department must evaluate the effectiveness of internal controls related to financial reporting and information disclosure [10][15] - The audit committee is responsible for issuing written evaluations of the effectiveness of internal controls based on the internal audit department's reports [16][17] - The company must disclose the internal control self-evaluation report and the auditor's report on internal controls alongside its annual report [19][20]

General Principles - The company establishes a system for the deferral and exemption of information disclosure to regulate such behaviors and enhance information disclosure supervision, protecting investors' rights [1][2] - The system is based on various laws and regulations, including the Securities Law of the People's Republic of China and the Shenzhen Stock Exchange Listing Rules [1] Scope of Deferral and Exemption - The company and other obligated parties may defer or exempt disclosure if there is sufficient evidence that the information involves state secrets or could violate confidentiality regulations [2][3] - Obligated parties must not disclose state secrets through any form of communication, including investor interactions and press releases [2] - Information related to commercial secrets can be deferred or exempted if it meets specific criteria, such as potential harm to the company or others if disclosed [2][3] Internal Review Procedures - The internal review process for deferring or exempting disclosure includes submitting a registration form and confidentiality commitment to the securities affairs department [4][5] - The company must document the reasons for deferral or exemption, the type of information involved, and the internal review process [4][5] - Any deferred or exempted information must be disclosed promptly once the reasons for deferral are eliminated [3][4] Reporting Obligations - The company must report any deferred or exempted disclosures to the China Securities Regulatory Commission and the Shenzhen Stock Exchange within ten days after the announcement of periodic reports [5] - The company will hold individuals accountable for any violations of this system that lead to negative impacts or losses [5] Additional Provisions - The system must comply with the latest national laws and regulations, and any conflicting provisions will defer to the new regulations [6] - The board of directors is responsible for interpreting and amending this system [6]

Core Points - The company has revised certain corporate governance systems and established the "Information Disclosure Suspension and Exemption Management System" [1] - The revisions were approved during the 18th meeting of the 6th Board of Directors held on August 21, 2025 [1] - The changes aim to enhance the company's governance structure, optimize internal control systems, and promote standardized operations [1] Summary by Category Corporate Governance - The company has amended its governance systems in accordance with relevant laws and regulations, including the Company Law of the People's Republic of China and the Guidelines for Listed Companies [1] - The specific changes include renaming the "Management System for the Holding and Trading of Company Stocks by Directors, Supervisors, and Senior Management" to "Management System for the Holding and Trading of Company Stocks by Directors and Senior Management" [1] Information Disclosure - The newly established "Information Disclosure Suspension and Exemption Management System" is part of the company's efforts to improve its governance and compliance [1] - The full text of the revised and newly established systems has been published on the official information disclosure platform [1]

中矿资源集团股份有限公司 董事会秘书工作制度（2025 年 8 月修订） 第一章 总则 第一条 为了规范中矿资源集团股份有限公司（以下简称"公司"或"本公司"） 董事会秘书的行为，完善公司法人治理结构，促进公司规范运作，根据《中华人 民共和国公司法》（以下简称"《公司法》"）、《中华人民共和国证券法》（以 下简称"《证券法》"）、《上市公司治理准则》、《深圳证券交易所股票上市规 则》（以下简称"《股票上市规则》"）、《深圳证券交易所上市公司自律监管指 引第 1 号——主板上市公司规范运作》（以下简称"《规范运作指引》"）等有关 法律、法规、规章、规范性文件和《中矿资源集团股份有限公司章程》（以下简 称"《公司章程》"）的有关规定，结合公司实际，制定本制度。 第二条 公司设董事会秘书，作为公司与深圳证券交易所之间的指定联络人。 董事会秘书负责管理公司的信息披露事务部门。 第二章 董事会秘书的聘任与解聘 第三条 公司设董事会秘书一名。董事会秘书为公司的高级管理人员，承担 法律、法规、规章及《公司章程》对公司高级管理人员规定的义务，履行相应的 工作职责，并获取相应的报酬。董事会秘书对公司和董事会负责。 （四）被中国 ...