《上海证券交易所科创板股票上市规则》 （以下简称"《上 市规则》"）和《公司章程》及其他有关规定，结合公司实际 情况，制定本制度。 成都华微电子科技股份有限公司 信息披露暂缓与豁免业务管理制度 第二条 公司和其他信息披露义务人按照《上市规则》及上 海证券交易所（以下简称"交易所"）其他相关业务规则的规 定，实施信息披露暂缓、豁免业务的，适用本制度。 第一章 总则 第一条 为规范成都华微电子科技股份有限公司（以下简称 "公司"）的信息披露暂缓与豁免行为，促进公司依法规范运 作，维护公司及投资者的合法权益，依据《中华人民共和国证 券法》 第三条 公司和其他信息披露义务人拟披露的信息存在《上 市规则》规定的暂缓、豁免情形的，可以无须向交易所申请， 由公司自行审慎判断，并接受交易所对有关信息披露暂缓、豁 免事项的事后监管。 第二章 暂缓、豁免披露信息的范围 （一） 暂缓、豁免披露原因已消除； （二） 有关信息难以保密； （三） 有关信息已经泄露或者市场出现传闻。 第八条 公司拟披露的定期报告中有关信息涉及国家秘密、 商业秘密的，可以采用代称、汇总概括或者隐去关键信息等方 式豁免披露该部分信息。 公司和其他信息披露义务 ...

第二条 本制度所称"重大信息"是指对公司股票及其 衍生品种（以下统称"证券"）交易价格可能或已经产生 较大影响的信息，具体标准根据《上市公司信息披露管理 办法》《上海证券交易所科创板股票上市规则》（以下简 称"《上市规则》"）的有关规定确定。 成都华微电子科技股份有限公司 信息披露管理制度 第一章 总则 第一条 为规范成都华微电子科技股份有限公司（以下 简称"公司"）信息披露行为，确保信息披露真实、准确、 完整、及时，根据《中华人民共和国证券法》（以下简称 "《证券法》"）等相关法律、法规、规范性文件及《公 司章程》等的有关规定，公司制定本制度。 第四条 本制度所称信息披露义务人是指《上市公司信 息披露管理办法》规定的公司及其董事、高级管理人员、 股东、实际控制人，收购人，重大资产重组、再融资、重 大交易有关各方等自然人、单位及其相关人员，破产管理 人及其成员，以及法律、行政法规和中国证监会规定的其 他承担信息披露义务的主体。 第五条 公司信息披露应遵循《上市公司信息披露管理 办法》《上市规则》及其他法律、法规、规范性文件所确 立的基本原则。 第三条 本制度所称公开披露是指公司及相关信息披 露义务人按法律、行 ...

成都华微电子科技股份有限公司 独立董事工作制度 第一章 总则 第一条 为进一步完善成都华微电子科技股份有限公司（以 下简称公司）的法人治理，改善公司董事会结构，保护中小股东 及利益相关者的利益，根据《公司法》《上市公司独立董事管理 办法》等相关法律、法规、规范性文件及《成都华微电子科技股 份有限公司章程》（以下简称"《公司章程》"）等的有关规定，制 定本制度。 第五条 公司独立董事占董事会成员的比例不得低于三分之 一，且至少包括一名会计专业人士。 公司董事会审计委员会、提名委员会、薪酬与考核委员会中 独立董事应当过半数并担任召集人，其中审计委员会召集人应为 会计专业人士。 第二章 任职资格 第六条 独立董事必须保持独立性。下列人员不得担任独立 董事： （一）在公司或者附属企业任职的人员及其配偶、父母、子 女、主要社会关系； 第二条 本制度所指的独立董事，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关系 的董事。 独立董事应当独立履行职责，不受公司及其主要股东、实际 控制人等单位或者个人的影响。 第三条 独立董事对公司及全 ...

成都华微电子科技股份有限公司 （以下 简称《公司章程》）的相关规定，特制定本制度。 第二条 本制度所称累积投票制，是指公司股东会在选举董事 时，出席股东会的普通股股东（含表决权恢复的优先股股东） （以 下简称出席股东）所拥有的投票权数等于其所持有的股份数乘以 该次股东会应选董事人数之积，出席股东可以将其拥有的投票权 数全部投向一位董事候选人，也可以将其拥有的投票权数分散投 向多位董事候选人，各候选人在得票数达到出席股东会股东所持 股份（以未累积的股份数为准）总数的二分之一以上时，按得票 多少依次决定董事人选。 第三条 由职工代表担任的董事由公司职工代表大会、职工大 会或者其他形式民主选举产生，不适用本制度的相关规定。 第四条 公司在一次股东会上选举两名以上的董事时，应当采 取累积投票制，以保障公司中小股东有机会将代表其利益和意见 的董事候选人选入董事会。公司应在召开股东会的通知中，明确 提示该次董事选举是否将采用累积投票制。 第五条 股东会以累积投票方式选举董事的，独立董事与非独 立董事选举应当分开进行，以保证独立董事的比例。 累积投票实施制度 第一条 为进一步完善成都华微电子科技股份有限公司（以下 简称公司 ...

Core Points - The document outlines the rules for the board of directors of Chengdu Huamei Electronics Technology Co., Ltd, aiming to standardize meeting procedures and decision-making processes [1][12] - The board is required to hold at least two regular meetings each year, one in each half of the year [3] - Proposals for board meetings can be submitted by various stakeholders, including the chairman, a third of the directors, and shareholders with at least 10% voting rights [5][6] Group 1 - The board's daily affairs are managed by the board office, led by the board secretary [2] - Regular meetings are convened by the chairman, who must gather opinions from directors before drafting meeting proposals [4] - Proposals must be drafted by relevant departments and may require prior approval from the general manager's office or other committees [6][7] Group 2 - The chairman must convene a meeting within ten days upon receiving a proposal or request from regulatory authorities [8] - Meeting notifications must include necessary materials for voting and must be sent out in advance [9] - A quorum for meetings requires the presence of more than half of the directors, and any absence must be reported to regulatory authorities [11] Group 3 - Directors are expected to attend meetings in person and may delegate their voting rights through a written proxy [12] - Each proposal must be discussed thoroughly before a vote is taken, and voting can be conducted by show of hands or written ballot [16][17] - The results of the votes must be announced immediately after counting, and any discrepancies in voting methods will be resolved based on the written ballot results [18]

成都华微电子科技股份有限公司 关联交易决策制度 第一章 总则 第一条 为了规范成都华微电子科技股份有限公司（以下简称 公司）的关联交易，保证公司与各关联人所发生的关联交易的合 法性、公允性、合理性；为了保证公司各项业务能够通过必要的 关联交易顺利地开展，保障股东和公司的合法权益，根据《中华 人民共和国公司法》、证券交易所规则和《公司章程》等有关规 定，制定本制度。 公司因交易或者关联交易导致被担保方成为公司的关联人， 在实施该交易或者关联交易的同时，应当就存续的关联担保履行 相应审议程序和信息披露义务。董事会或者股东会未审议通过该 关联担保事项的，交易各方应当采取提前终止担保等有效措施。 第二条 公司关联交易应当定价公允、决策程序合规、信息披 露规范。 第三条 公司在处理与关联人之间的关联交易时，不得损害公 司及非关联股东的合法权益。 第四条 公司控制的子公司和附属公司发生的关联交易，视同 本公司行为，适用本制度。 第二章 关联交易决策程序 第五条 公司的关联人包括关联法人和关联自然人。具体范围 以证券交易所规则和《公司章程》的相关规定为准。 第六条 公司董事、高级管理人员、持股百分之五以上的股东 及其一致行 ...

Group 1 - The rules are established to regulate the behavior of Chengdu Huamei Electronics Technology Co., Ltd. and ensure shareholders can exercise their rights according to the law and company regulations [1] - The company must strictly follow legal and regulatory requirements when convening shareholder meetings, ensuring that shareholders can lawfully exercise their rights [1][2] - Shareholder meetings are categorized into annual and temporary meetings, with annual meetings held within six months after the end of the previous fiscal year and temporary meetings convened within two months of the occurrence of specific events [2][3] Group 2 - The company must provide complete and detailed disclosure of all proposals and necessary materials for shareholders to make informed decisions during the meeting [2][3] - The meeting host must announce the number of attending shareholders and their voting rights before voting takes place [2][3] - The company must ensure that all resolutions are made promptly, detailing the number of attending shareholders, voting rights, voting methods, and results of each proposal [2][3] Group 3 - If a proposal is not approved or if there are changes to previous resolutions, this must be specifically noted in the meeting resolutions [3] - Proposals to convene a shareholder meeting must be submitted in writing, including the proposer’s details, reasons, proposed time and location, and specific proposals [3][4] - All shareholders have the right to attend the meeting and may appoint proxies to participate and vote on their behalf [4][5] Group 4 - Shareholders present at the meeting can inquire about relevant matters, and company directors and senior management are required to respond [4][5] - The controlling shareholders and actual controllers must not restrict or obstruct minority investors from exercising their voting rights [4][5] - All directors and the board secretary must attend the meeting, and any absences must be reported with valid reasons [4][5] Group 5 - The rules will be implemented after being approved by the shareholder meeting and can be revised by the board of directors [5] - Any matters not covered by these rules will be governed by relevant national laws and regulations [5]

Core Points - The document outlines the regulations for the controlling shareholders and actual controllers of Chengdu Huamei Electronics Technology Co., Ltd to ensure proper governance and healthy development of the company [1][2][3] - It emphasizes the need for the controlling shareholders and actual controllers to maintain the independence of the company's assets, personnel, finances, institutions, and business operations [2][3][4] Group 1: Governance and Control - Controlling shareholders and actual controllers must use their control rights in good faith and not harm the legitimate rights of the company and minority shareholders [2] - They are required to support and cooperate with the company's internal decision-making processes [2] - The document specifies actions that should not be taken to ensure the integrity of the company's assets, such as unfair sharing of resources and assets [2][3] Group 2: Independence Maintenance - The regulations mandate that controlling shareholders and actual controllers must maintain the independence of the company's personnel and finances [3][4] - They should not interfere with the appointment of key management positions or use company resources for personal benefit [3][4] - The document outlines the necessity for maintaining the independence of the company's institutions and business operations [4][5] Group 3: Information Disclosure and Compliance - Controlling shareholders and actual controllers are required to notify the company of significant events that may affect its operations or securities [5][6] - They must cooperate with the company in disclosing information and maintaining confidentiality regarding undisclosed financial and business data [6][7] - The document emphasizes the importance of adhering to legal and regulatory requirements regarding share trading and control transfer [7][8]

成都华微电子科技股份有限公司 章 程 （修订版） 目 录 成都华微电子科技股份有限公司 章 程 第一章 总则 第一条 为维护成都华微电子科技股份有限公司（以下简称公司）、股东、职 工和债权人的合法权益，规范公司的组织和行为，坚持和加强党的全面领导，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》）和其他有关规定，制定本章程。 第二条 公司系依照《公司法》和其他有关规定由成都华微电子科技有限公 司整体变更设立的股份有限公司。公司在成都市高新区市场监督管理局注册登 记，现持有统一社会信用代码为 91510100720342949A 的《营业执照》。 第三条 公司于 2023 年 10 月 23 日经上海证券交易所核准并经中国证券监督 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 第四条 公司注册名称：成都华微电子科技股份有限公司 第五条 公司住所：中国（四川）自由贸易试验区成都高新区益州大道中段 邮政编码：610041 第六条 公司注册资本为人民币 636,847,026 元。 第七条 公司为永久存续的股份有限公司。 第八条 总经理为公司 ...

Core Insights - The power semiconductor industry in China has developed a complete ecosystem with leading companies specializing in various segments, including IGBT modules, diodes, and traditional devices, contributing to the import substitution process in key areas like automotive electronics and renewable energy [1][8]. Company Overview - New Energy and Stada Semiconductor focus on IGBT modules, leading in the renewable energy sector [1]. - Jiejie Microelectronics and Suzhou Good focus on diodes and thyristors, serving home appliances and industrial automation markets [1]. - Huazhong Microelectronics and Silan Microelectronics are IDM leaders covering the entire industry chain [1]. - Wentai Technology has expanded into automotive-grade products through the acquisition of Anshi Semiconductor [1]. - Yangjie Technology leads in discrete devices, while Dongwei Semiconductor and Hongwei Technology focus on high-end MOSFET and IGBT research [1]. - Pairui Technology specializes in high-voltage devices, and Zhenhua Technology and Huami Electronics have advantages in military and industrial sectors [1]. - Galaxy Microelectronics, Xindao Technology, and Kaiweite focus on miniaturized devices in niche markets [1]. Performance Comparison - In Q1 2025, most power semiconductor companies reported gross margins between 10% and 45%, indicating good profitability [5]. - Wentai Technology led in revenue with 13.1 billion yuan, although its year-on-year growth rate declined [5]. - Pairui Technology achieved the highest gross margin at 58.4%, showcasing its cost control and efficiency [5]. Revenue and Gross Margin Data - New Energy reported Q1 2025 revenue of 450 million yuan with a gross margin of 36.6% [6]. - Jiejie Microelectronics had revenue of 700 million yuan and a gross margin of 39.9% [6]. - Huazhong Microelectronics reported 2.35 billion yuan in revenue with a gross margin of 25.3% [6]. - Wentai Technology's revenue was 13.1 billion yuan with a gross margin of 14.0% [6]. - Silan Microelectronics had revenue of 3 billion yuan and a gross margin of 21.3% [6]. - Stada Semiconductor reported 920 million yuan in revenue with a gross margin of 30.4% [6]. - Suzhou Good achieved 900 million yuan in revenue with a gross margin of 10.8% [6]. - Yangjie Technology reported 1.58 billion yuan in revenue with a gross margin of 34.6% [6]. - Galaxy Microelectronics had revenue of 220 million yuan and a gross margin of 24.0% [6]. - Pairui Technology's revenue was 30 million yuan with a gross margin of 58.4% [6]. - Hongwei Technology reported 300 million yuan in revenue with a gross margin of 16.4% [6]. - Dongwei Semiconductor achieved 280 million yuan in revenue with a gross margin of 13.6% [7]. - Taiji Technology reported 70 million yuan in revenue with a gross margin of 29.0% [7]. - Zhenhua Technology had revenue of 910 million yuan and a gross margin of 42.5% [7]. - Huami Electronics reported 640 million yuan in revenue with a gross margin of 28.0% [7]. Regional Distribution - Domestic sales dominate, with most companies having over 70% of their sales in China, except Wentai Technology, which has a balanced global presence [8]. - The East and South China regions are core areas for companies like Stada Semiconductor, Silan Microelectronics, and New Energy, while North and Central China focus on industrial and power applications [8]. - Companies like Zhenhua Technology and Huami Electronics leverage local bases to expand into surrounding areas [8]. Future Business Plans - The industry aims to build competitive barriers through capacity expansion, automotive certification, and domestic substitution [16]. - Leading companies are accelerating the expansion of automotive-grade IGBT modules and focusing on the photovoltaic storage market [16]. - Companies are also enhancing their technology capabilities, with a focus on 12-inch wafer production and third-generation semiconductor layouts [16].