Meeting Information - The second extraordinary general meeting of shareholders will be held on September 25, 2025 [1] - The meeting will utilize a combination of on-site and online voting methods [1] - The on-site meeting will take place at the company's conference room located in Suzhou, Jiangsu Province [1] Voting Procedures - Shareholders can vote through the Shanghai Stock Exchange's online voting system, with specific time slots for trading platform voting [1][3] - The voting period for online voting is from 9:15 AM to 3:00 PM on the day of the meeting [1][3] - Shareholders must complete identity verification to vote on the internet [3] Agenda Items - The meeting will review a proposal to cancel the supervisory board, change the company's registered capital, and amend the company's articles of association [2] - The proposal has already been approved by the company's fourth board of directors and the supervisory board [2] Attendance Requirements - Shareholders registered with the China Securities Depository and Clearing Corporation Limited by the close of trading on September 18, 2025, are eligible to attend [4] - Shareholders can appoint proxies to attend the meeting, and the proxy does not need to be a shareholder [4] Registration Details - On-site registration will occur on September 24, 2025, with specific time slots for registration [5] - Required documents for registration include identification and proof of shareholding [5] Additional Information - The meeting is expected to last half a day, and attendees are responsible for their own travel and accommodation expenses [6] - Attendees should arrive at least 30 minutes early for check-in [6]

苏州敏芯微电子技术股份有限公司 章程 目 录 第一章 总则 第一条 为维护公司、股东、职工和债权人的合法权益，规范公司的组织和 行为，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》"）和《上市公司章程指引》（以下 简称"《章程指引》"）、《上海证券交易所科创板股票上市规则》（以下简称 "《上市规则》"）及其他有关法律、法规、规范性文件的规定，制订本章程。 第二条 苏州敏芯微电子技术股份有限公司（以下简称"公司"或"本公 司"）系依照《公司法》和其他有关规定成立的股份有限公司。 公司系在原苏州敏芯微电子技术有限公司基础上整体变更设立的股份有限 公司；在江苏省市场监督管理局注册登记，现持有统一社会信用代码为 第三条 公司于 2020 年 7 月 6 日经中国证券监督管理委员会 （以下简称"中 国证监会"）注册，首次向社会公众发行人民币普通股 13,300,000 股，于 2020 年 8 月 10 日在上海证券交易所科创板上市。 第四条 公司注册名称：苏州敏芯微电子技术股份有限公司 第一章 总则 第二章 经营宗旨和范围 第三章 股份 第一节 股份发行 第二 ...

Core Points - The document outlines the external investment management system of Suzhou Minxin Microelectronics Technology Co., Ltd, aiming to enhance investment management, standardize investment behavior, and maximize the time value of funds [1][2][9] Group 1: Investment Principles and Decision-Making - The company's external investments must comply with national industrial policies, laws, and regulations, as well as align with the company's development strategy [2] - The decision-making bodies for investments include the shareholders' meeting, board of directors, and general manager's office, with specific thresholds for investment decisions requiring shareholder approval [6][8] - Investments exceeding certain thresholds, such as 50% of the latest audited total assets or 50% of annual audited net profit exceeding 500 million, must be submitted for shareholder review [7][8] Group 2: Investment Implementation and Management - The securities affairs and finance departments are responsible for evaluating the feasibility, risks, and returns of major investment projects, and must report any anomalies to the board [13][14] - The finance department manages the financial aspects of external investments, including funding and compliance with legal procedures [15][16] - Internal audits are conducted regularly to assess the financial status of investment projects, with reports submitted to the board [17] Group 3: Investment Transfer and Reporting - The company can recover or write off investments under specific circumstances, such as project completion or bankruptcy of the invested entity [28] - Investment transfers are permitted if projects diverge from the company's operational direction or show continuous losses [29] - The company must adhere to legal and regulatory requirements for information disclosure regarding external investments [31][32]

Core Points - The company establishes a financial assistance management system to regulate its financial assistance behavior and mitigate financial risks [1] - The system outlines the types of financial assistance that can be provided, including loans, expense coverage, and asset usage rights [1][2] - The company emphasizes the protection of shareholders' rights and the principles of equality, voluntariness, and fairness in providing financial assistance [2] Section Summaries General Principles - The financial assistance refers to monetary or asset-based support provided to external entities, including loans and asset usage rights [1] - The company must comply with relevant regulations and ensure prudent financial assistance practices [1][2] Approval Authority and Procedures - Financial assistance transactions require approval from a majority of the board of directors and must be disclosed promptly [2][3] - Specific conditions necessitate further approval from the shareholders' meeting, such as when the assistance exceeds 10% of the company's audited net assets [2][3] Information Disclosure - The company must disclose financial assistance matters in accordance with regulatory requirements [5] - Timely disclosure is required if the recipient fails to repay or faces financial difficulties [5] Responsibilities and Division of Labor - The finance and securities departments are responsible for risk assessments of potential recipients before providing assistance [6] - The board secretary is tasked with ensuring compliance with information disclosure obligations [6] Penalties - Violations of the financial assistance regulations may lead to economic liability for responsible personnel, and severe cases may be referred to judicial authorities [6] Supplementary Provisions - The financial assistance management system must align with existing laws and regulations, and the board is responsible for its revision and interpretation [8]

Core Viewpoint - The document outlines the management measures for related party transactions of Suzhou Minxin Microelectronics Technology Co., Ltd, ensuring that such transactions are legal, fair, and reasonable, while protecting the rights of investors, especially minority shareholders [1][2]. Group 1: General Principles - The company aims to regulate related party transactions to ensure legality, fairness, and reasonableness, while maintaining the independence of the company [1][2]. - Related party transactions must not conceal relationships or evade disclosure obligations [1][2]. Group 2: Definition of Related Parties and Transactions - Related parties include individuals or entities that directly or indirectly control the company, hold more than 5% of shares, or have close familial relationships with significant shareholders [2][3]. - Related transactions encompass various activities such as asset purchases, investments, and guarantees, which may lead to resource or obligation transfers [3][4]. Group 3: Daily Management and Reporting - The company's securities department is responsible for maintaining a list of related parties and reporting any changes to the board [5][6]. - The finance department monitors transaction amounts and ensures compliance with disclosure obligations [6][7]. Group 4: Pricing Principles for Related Transactions - Related transactions must be documented with clear pricing policies, ensuring fairness based on market prices or reasonable costs [7][8]. - If pricing cannot be determined by standard methods, the company must disclose the pricing principles and justify their fairness [7][8]. Group 5: Review Procedures and Disclosure - Transactions exceeding certain thresholds require approval from independent directors and must be disclosed promptly [8][9]. - Transactions involving guarantees must also follow strict approval processes and provide necessary disclosures [9][10]. Group 6: Exemptions and Special Provisions - Certain transactions, such as cash subscriptions for public offerings, may be exempt from standard review and disclosure processes [10][11]. - Daily related transactions can be estimated annually, with adjustments made for amounts exceeding initial estimates [12][13]. Group 7: Financial Interactions with Related Parties - The company must adhere to strict procedures when engaging in financial transactions with controlling shareholders and their affiliates [14][15]. - Direct or indirect funding to controlling shareholders or related parties is prohibited under specific conditions [15][16]. Group 8: Final Provisions - The management measures will take effect upon approval by the shareholders' meeting and will be interpreted by the board of directors [17].

苏州敏芯微电子技术股份有限公司 募集资金管理制度 第一条 为进一步加强苏州敏芯微电子技术股份有限公司（以下简称"公 司"）募集资金的管理和运用，提高募集资金使用效率，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》"）、《上市公司募集资金监管规则》、《上海证券交易所科创板 股票上市规则》（以下简称"《上市规则》"）、《上海证券交易所科创板上市 公司自律监管指引第1号——规范运作》等有关法律、法规、规范性文件以及《苏 州敏芯微电子技术股份有限公司》（以下简称"《公司章程》"）的规定，结合 公司实际情况，制定本制度。 第二条 本制度所称募集资金，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用途的资金监管，但不包括公司为实施股权 激励计划募集的资金。 公司募集资金应当专款专用。公司使用募集资金应当符合国家产业政策和相 关法律法规，践行可持续发展理念，履行社会责任，原则上应当用于主营业务， 有利于增强公司竞争能力和创新能力。公司募集资金应当投资于科技创新领域， 促进新质生产力发展。《监管规则适用指引——上市类第1号》对公司发行股份、 ...

苏州敏芯微电子技术股份有限公司 对外担保管理制度 第一章 总 则 第一条 为了规范苏州敏芯微电子技术股份有限公司（以下简称"公司"）的 对外担保行为，防范对外担保风险，确保公司资产安全和保护投资者的合法权益， 根据《中华人民共和国公司法》 （以下简称"《公司法》"）、 《中华人民共和国民 第六条 公司可以为具有独立法人资格且具有下列条件之一的单位担保： （1）因公司业务需要的互保单位； （2）与公司有现实或潜在重要业务关系的单位； 法典》 《上市公司监管指引第 8 号——上市公司资金 （以下简称"《民法典》"）、 往来、对外担保的监管要求》《上海证券交易所科创板股票上市规则》（以下简称 "《上市规则》"）等有关法律、法规、规范性文件以及《苏州敏芯微电子技术 股份有限公司章程》 （以下简称"《公司章程》"）的有关规定，结合公司的实际 情况，特制定本制度。 第二条 本制度所称对外担保是指公司为他人提供的担保，包括公司对控股 子公司提供的担保；公司控股子公司对公司合并报表范围之外的主体提供担保的， 应视同公司提供担保。 第三条 公司对外担保实行统一管理，非经公司董事会或股东会批准，公司 及子公司不得对外提供担保，不 ...

Core Points - The implementation details of the cumulative voting system aim to enhance the corporate governance structure of Suzhou Minxin Microelectronics Technology Co., Ltd, ensuring that all shareholders can fully exercise their rights in electing directors and protecting the interests of minority shareholders [1][2] Group 1: General Principles - The cumulative voting system allows shareholders to have voting rights equal to the number of directors to be elected, enabling them to concentrate their votes on one candidate or distribute them among multiple candidates [1][2] - The implementation details are based on relevant laws and regulations, including the Company Law of the People's Republic of China and the Shanghai Stock Exchange's rules [1][2] Group 2: Nomination of Directors - The board of directors or shareholders holding more than 1% of the company's shares can propose candidates for non-independent directors, while independent director candidates must comply with specific regulations [2][3] - Nominators must obtain consent from the nominees and ensure that all relevant information about the nominees is disclosed to shareholders before the voting [2][3] Group 3: Voting Principles - The voting process for electing directors must be clearly communicated to shareholders, and appropriate ballots for cumulative voting must be prepared [3][4] - Independent and non-independent directors will be elected through separate voting processes to ensure compliance with the company's articles of association [4] Group 4: Election Principles - Directors are elected based on the total votes received, with a requirement that the votes exceed half of the total voting rights held by attending shareholders [5] - In case of a tie in votes among candidates, specific procedures will be followed to resolve the situation, including re-elections if necessary [5] Group 5: Special Procedures - The company must clearly state the use of the cumulative voting system in the notice for the shareholders' meeting [6][7] - Shareholders can vote in person or authorize others to vote on their behalf, and online voting systems may also be utilized [6][7]

Core Points - The document outlines the regulations for the behavior of the controlling shareholders and actual controllers of Suzhou Minxin Microelectronics Technology Co., Ltd, aiming to enhance corporate governance and compliance with relevant laws and regulations [1][2][3] Group 1: Definition and Scope - The term "controlling shareholder" refers to a shareholder holding more than 50% of the company's total share capital or having significant influence over shareholder meetings despite holding less than 50% [1] - The "actual controller" is defined as a natural person, legal entity, or organization that can control the company's actions through investment relationships or agreements, even if they are not a shareholder [1][2] Group 2: Principles of Conduct - Controlling shareholders and actual controllers must adhere to the principles of honesty and integrity, exercising their rights in a regulated manner and fulfilling commitments to protect the interests of the company and all shareholders [2][3] - They are prohibited from abusing their rights or harming the interests of the company and other shareholders through related transactions, profit distribution, asset restructuring, or external investments [2][3] Group 3: Company Independence - Controlling shareholders and actual controllers must maintain the company's independence, ensuring the integrity of assets, personnel, finances, institutions, and business operations [3][4] - They should not influence the company's asset integrity through shared production systems, business frameworks, or unfair use of company assets [4][5] Group 4: Information Disclosure - Controlling shareholders and actual controllers are required to fulfill information disclosure obligations, ensuring that disclosed information is truthful, accurate, complete, timely, and fair [6][7] - They must notify the company of significant events that could impact the company's securities trading prices, such as changes in control or major asset restructuring [7][8] Group 5: Share Trading and Control Transfer - When trading company shares, controlling shareholders and actual controllers must comply with relevant laws and regulations, ensuring fair information disclosure and avoiding insider trading [9][10] - They are restricted from reducing their shareholdings under certain conditions, such as during investigations for securities violations or when the company is facing significant legal issues [10][11] Group 6: Other Provisions - Controlling shareholders and actual controllers must consider the impact of their proposals on the company and other shareholders' interests [12][13] - They are responsible for ensuring that commitments made are effectively implemented and must provide guarantees for commitments with significant performance risks [12][13]

苏州敏芯微电子技术股份有限公司 《上海证券交易所科创板股票上市规则》 《国有企业、上市公司选聘会计师事 务所管理办法》等有关法律法规和规范性文件以及《苏州敏芯微电子技术股份有 限公司章程》 （以下简称"公司章程"）的规定，结合公司实际情况，制定本制度。 第二条 本制度所称选聘会计师事务所，是指公司根据相关法律法规要求， 聘任会计师事务所对财务会计报告发表审计意见、出具审计报告的行为。公司聘 任会计师事务所从事除财务会计报告审计之外的其他法定审计业务的，可参照本 制度执行。 第三条 公司选聘会计师事务所，应当经董事会审计委员会（以下简称"审 计委员会"）审议同意后，提交董事会审议，并由股东会审议决定。公司不得在 股东会审议前聘请会计师事务所开展审计业务。 第四条 公司控股股东不得向公司指定会计师事务所，不得干预审计委员会、 董事会及股东会独立履行审核职责。 会计师事务所选聘制度 第一章 总 则 第一条 为进一步规范苏州敏芯微电子技术股份有限公司（以下简称"公司"） 选聘（含续聘、改聘，下同）会计师事务所的行为，切实维护股东利益，提高审 计工作和财务信息质量，根据《中华人民共和国公司法》《中华人民共和国证券 法》 ...