General Provisions - The purpose of the system is to promote standardized operations of Tianma Microelectronics Co., Ltd. and clarify the responsibilities and powers of the board secretary, based on relevant laws and regulations [1] - The company appoints one board secretary who, as a senior management member, has the right to attend relevant meetings and access company documents [1] Appointment and Dismissal of the Board Secretary - The board secretary must possess necessary financial, management, and legal knowledge, along with good professional ethics [2] - The board secretary is nominated by the chairman and appointed or dismissed by the board, ideally within three months after the IPO or the previous secretary's departure [3] - If the board secretary position is vacant for over three months, the chairman will assume the duties until a new secretary is appointed [3] Responsibilities and Support for the Board Secretary - The board secretary is responsible for coordinating information disclosure, managing investor relations, and preparing board and shareholder meetings [5] - The company must provide necessary conditions for the board secretary to perform their duties, and relevant personnel must support their work [6] - The board secretary has the right to access financial and operational information and report any undue obstruction in their duties directly to the Shenzhen Stock Exchange [7]

天马微电子股份有限公司 总经理工作细则 （2025 年 8 月修订） 一、总则 为完善天马微电子股份有限公司（以下简称"公司"）法人治理结构，明确总 经理的职权、职责，根据《中华人民共和国公司法》和其他有关法律法规、《天 马微电子股份有限公司章程》（以下简称"《公司章程》"）等相关规定，制定本 细则。 二、人选及任期 总法律顾问1名，由董事会决定聘任或者解聘。董事可以由高级管理人员兼任， 但兼任高级管理人员职务的董事以及由职工代表担任的董事，总计不得超过公司 董事总数的二分之一。 三、总经理的资格规定 业知识。具体条件在每届聘任总经理时另行确定。 （1）无民事行为能力或者限制民事行为能力； （2）因犯有贪污、贿赂、侵占财产、挪用财产罪或者破坏社会主义市场经 济秩序罪，被判处刑罚，或者因犯罪被剥夺政治权利，执行期满未逾5年，被宣 告缓刑的，自缓刑考验期满之日起未逾2年； （3）担任破产清算的公司、企业的董事或者厂长、经理，并对该公司、企 业的破产负有个人责任的，自该公司、企业破产清算完结之日起未逾3年； 第 1 页 共 6 页 （4）担任因违法而被吊销营业执照、责令关闭的公司、企业的法定代表人， 并负有个人责任 ...

Core Viewpoint - The document outlines the management system for the shares held by the directors and senior management of Tianma Microelectronics Co., Ltd., emphasizing compliance with relevant laws and regulations, and detailing the procedures for share transactions and disclosures [1][2]. Summary by Sections General Principles - The management system is established to enhance the oversight of shares held by directors and senior management, ensuring adherence to laws such as the Company Law and Securities Law, as well as the company's articles of association [1][2]. Management of Shareholding Changes - Directors and senior management must notify the board secretary in writing before buying or selling shares, who will then verify compliance with disclosure and regulatory requirements [3]. - The company must apply to the Shenzhen Stock Exchange for any shares held by directors and senior management to be registered as restricted shares under certain conditions [3][4]. Reporting and Disclosure - Directors and senior management are required to report any changes in their shareholdings within two trading days and ensure that the information disclosed is accurate and complete [4][5]. - The board secretary is responsible for managing the data related to shareholdings and must report any violations to the regulatory authorities [5]. Restrictions on Share Transactions - Directors and senior management are prohibited from transferring shares during specific periods, such as within one year of the company's stock listing or within six months after leaving their position [6][8]. - There are also restrictions on trading shares based on the timing of financial report announcements and other significant events [8][9]. Regulations on Share Increase and Decrease - Any plans for increasing or decreasing shareholdings must be disclosed in advance, with specific timelines for reporting to the Shenzhen Stock Exchange [10][11]. - The document specifies that any shares acquired through inheritance or legal proceedings are subject to the same transfer restrictions as other shares [11][12]. Final Provisions - The management system will be interpreted and revised by the company's board of directors, and it will take effect upon approval [12].

Group 1 - The company aims to enhance its operational standards by clarifying the responsibilities of independent directors in the annual report process, ensuring their supervisory role in the preparation and disclosure of the report [1][2] - Independent directors are required to ensure that all necessary disclosures are made accurately and completely in the annual report [3] - The company must provide independent directors with necessary working conditions and support to fulfill their responsibilities without obstruction [2][3] Group 2 - The company is responsible for reporting its annual financial status, operational conditions, and significant matters to independent directors, facilitating their on-site investigations of major issues [2][3] - Independent directors must communicate with the annual audit accountants after the preliminary audit opinion is issued and before the board meeting to discuss any issues found during the audit [2][3] - Independent directors are required to sign a written confirmation regarding the compliance of the report's preparation and review process with legal and regulatory standards, and to express any dissenting opinions if applicable [2][3] Group 3 - Independent directors can independently hire intermediary institutions to audit or consult on specific matters if they have objections, with the costs borne by the company [3] - During the preparation and review of the annual report, independent directors are obligated to maintain confidentiality and prevent insider trading or information leaks [3] - This system will be interpreted and revised by the company's board of directors and will take effect upon approval [3]

Core Viewpoint - The company has established a shareholder return plan for the next three years (2025-2027) to ensure reasonable returns for investors while balancing sustainable development and long-term interests [1][2]. Group 1: Shareholder Return Plan - The plan considers long-term development strategies, operational realities, external environments, industry development status, and competitive landscape to create a stable and scientific return mechanism [1]. - The basic principle of the profit distribution policy emphasizes maintaining continuity and stability in profit distribution while considering the long-term interests of the company and all shareholders [1][2]. Group 2: Profit Distribution Methods - The company will prioritize cash dividends in its profit distribution, with the option to also include stock dividends or a combination of both [2]. - Conditions for implementing cash dividends include the company's projected expenditures on investments, asset acquisitions, or equipment purchases exceeding 10% of the latest audited net assets within the next twelve months [2][3]. Group 3: Cash Dividend Proportions - The company will distribute at least 10% of the annual distributable profit as cash dividends, with a cumulative cash distribution of no less than 30% of the average annual distributable profit over the last three years [2][3]. - Specific cash dividend proportions are set based on the company's development stage and significant capital expenditure plans, with minimum cash dividend ratios ranging from 20% to 80% depending on circumstances [3]. Group 4: Decision-Making Process - The board of directors must carefully evaluate the timing, conditions, and minimum ratios for cash dividends, with independent directors having the right to express opinions if they believe the proposals may harm shareholder interests [4]. - The profit distribution proposal must be submitted to the shareholders' meeting for approval after being reviewed by the board [4]. Group 5: Implementation and Adjustments - The company must complete the distribution of dividends or shares within two months after the shareholders' meeting decision [5]. - The profit distribution policy may be adjusted in response to force majeure events or significant changes in the external operating environment, requiring detailed justification and approval from shareholders [5].

天马微电子股份有限公司 董事和高级管理人员离职管理制度 （2025 年 8 月） 第一章 总则 第一条 为规范天马微电子股份有限公司（以下简称"公司"）董事和高级管理 人员的离职管理，保障公司治理结构的稳定性，维护公司及全体股东的合法权益， 根据《中华人民共和国公司法》《中华人民共和国证券法》《深圳证券交易所股票 《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 上市规则》 运作》《天马微电子股份有限公司章程》（以下简称"《公司章程》"）等有关规定， 制定本制度。 第二条 本制度适用于公司全体董事、高级管理人员的离职管理。 第二章 离任程序 第三条 董事可以在任期届满以前辞任。董事辞任应当向公司提交书面报告， 辞任报告中应说明辞任原因等情况，公司收到辞任报告之日辞任生效。 第四条 股东会可以决议解任董事，决议作出之日解任生效。 无正当理由，在任期届满前解任董事的，董事可以要求公司予以赔偿。 第五条 除法律法规、规范性文件等规定不得被提名担任上市公司董事情形外， 出现下列规定情形的，在改选出的董事就任前，原董事仍应当按照有关法律法规、 深圳证券交易所相关规定和《公司章程》的规定继续履行职责： ...

天马微电子股份有限公司 内部审计管理制度 （2025 年 8 月修订） 第一章 总 则 第一条 为了规范和指导天马微电子股份有限公司（以下简称"公司"）内部审 计工作和审计人员执行审计业务的行为，保证审计质量，防范审计风险，加强内部的 管理和监督，提高企业管理水平，根据《中华人民共和国审计法》、《中华人民共和 国审计法实施条例》、《中华人民共和国国家审计准则》，结合天马公司实际，制定 本制度。 第二条 本制度是公司内部审计机构和审计人员履行审计职责的行为规范，是执 行审计业务的职业标准，是评价审计质量的基本尺度。 第三条 内部审计是指根据国家的方针政策、法律法规、公司章程以及有关文件 规定，对公司及全资和控股的子公司与直接或间接实际管理的公司（以下统称"各企 业"或"被审计单位"）的财务收支、经济活动、内部控制、风险管理实施独立、客 观的监督、评价和建议，以促进各企业完善治理、实现目标的活动。 第四条 各企业在接受审计时，应当履行主动配合审计、提供真实完整审计资料 的主体责任，不得设置障碍阻挠审计，不得弄虚作假隐瞒情况，为审计工作开展提供 必要的条件保障。 第五条 内部审计机构在其职权范围内，应按规定程序出具 ...

天马微电子股份有限公司 外汇衍生品交易业务管理制度 第三条 公司开展外汇衍生品交易业务只允许与经国家外汇管理总局和中 国人民银行批准、具有外汇衍生品交易业务经营资格的金融机构进行交易，不得 与前述金融机构之外的其他组织或个人进行交易。 第四条 公司进行外汇衍生品交易必须基于公司的外币收（付）款的谨慎预 测，外汇衍生品交易合约的外币金额不得超过外币收（付）款的谨慎预测量。外 汇衍生品交易的交割期间需与公司预测的外币回款时间相匹配，持仓时间一般不 得超过 12 个月或实货合同规定时间。 （2025 年 8 月修订） 第一章 总 则 为规范天马微电子股份有限公司（以下简称"公司"）外汇衍生品交易业务及 相关信息披露工作，加强对外汇衍生品交易业务的管理，防范投资风险，健全和 完善公司外汇衍生品交易业务管理机制，确保公司资产安全，根据《中华人民共 和国公司法》《中华人民共和国证券法》《深圳证券交易所股票上市规则》《上 市公司信息披露管理办法》及《公司章程》等有关规定，结合公司实际情况，特 制定本制度。 第一条 本制度所指外汇衍生品业务主要是以汇率为标的资产的远期合约、 掉期业务为套期工具，旨在为降低主业范围内风险敞口而 ...

天马微电子股份有限公司 所称超募资金，是指实际募集资金净额超过计划募集资金金额的部分。 第三条 公司应当审慎使用募集资金，保证募集资金的使用与发行申请文件 的承诺相一致，不得擅自改变募集资金的投向。 公司应当真实、准确、完整地披露募集资金的实际使用情况。出现严重影响 募集资金投资计划正常进行的情形时，应当及时公告。 第四条 公司募集资金投资项目通过公司的子公司或公司控制的其他企业实 施的，公司应当确保该子公司或受控制的其他企业应遵守本管理制度。 募集资金使用管理制度 （2025 年 8 月修订） 第一章 总则 第一条 为规范公司募集资金的管理和使用，保障投资者的利益，根据《中 华人民共和国公司法》《中华人民共和国证券法》《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》《上市公司募集资金监管规则》《天马微 电子股份有限公司章程》(以下简称"《公司章程》")等有关法律法规和规定的要 求，结合公司的实际情况，特制定本管理制度。 第二条 本管理制度所称募集资金是指公司通过发行股票或者其他具有股权 性质的证券，向投资者募集并用于特定 ...

第一章 总 则 第一条 为了进一步提高公司规范运作水平，加大对年报信息披露责任人的问责 力度，提高年报信息披露的质量和透明度，增强年报信息披露的真实性、准确性、 完整性和及时性，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》"）《上市公司信息披露管理办法》 《上市公司治理准则》和《深圳证券交易所股票上市规则》（以下简称"《股票上 市规则》"）等法律、法规、规范性文件及《天马微电子股份有限公司章程》（以 下简称"《公司章程》"）、公司《信息披露管理制度》等有关规定，结合公司的 实际情况，特制定本制度。 第二条 本制度所指责任追究制度是指年报信息披露工作中有关人员违反国家有 关法律、法规、规范性文件以及公司规章制度的规定，不履行或者不正确履行职责、 义务、或因其他个人原因，对公司造成重大经济损失或造成重大不良社会影响时的 追究与处理制度。 第三条 本制度适用于公司董事、高级管理人员、各子公司负责人以及与年报信 息披露相关的其他人员。 天马微电子股份有限公司 年报信息披露重大差错责任追究制度 （2025年8月修订） 第四条 公司施行本制度时，应遵循以下原则：实 ...