Core Points - The stock price of Xidi Microelectronics increased by 2.09% on October 28, reaching 16.15 CNY per share, with a total market capitalization of 6.638 billion CNY [1] - The company has seen a year-to-date stock price increase of 45.76% and a recent five-day increase of 5.28% [1] Company Overview - Xidi Microelectronics, established on September 11, 2012, and listed on January 21, 2022, is a leading semiconductor and integrated circuit design company in China [1] - The company's main business includes the research, design, and sales of analog integrated circuit products, including power management chips and signal chain chips [1] - Key products include DC/DC chips, super-fast charging chips, lithium battery fast charging chips, port protection, and signal switching chips, primarily used in smartphones, laptops, and wearable devices [1] Financial Performance - For the first half of 2025, Xidi Microelectronics achieved a revenue of 466 million CNY, representing a year-on-year growth of 102.73% [2] - The company reported a net profit attributable to shareholders of -44.688 million CNY, showing a year-on-year increase of 61.98% [2] Shareholder Information - As of June 30, 2025, the number of shareholders increased by 16.22% to 14,200, with an average of 16,873 circulating shares per person, a decrease of 13.95% [2] - Hong Kong Central Clearing Limited is the ninth largest circulating shareholder, holding 2.9713 million shares as a new shareholder [2]

Core Viewpoint - The AI mobile concept sector has seen a significant increase of 3.88% as of the market close on October 24, ranking sixth among concept sectors, with 24 stocks rising, including notable gains from companies like 汇顶科技 (10.00%) and 江波龙 (16.73%) [1][2]. Market Performance - The AI mobile concept sector experienced a net inflow of 28.39 billion yuan, with 17 stocks receiving net inflows, and 7 stocks exceeding 1 billion yuan in net inflows [2][3]. - The top net inflow was from 胜宏科技, which saw a net inflow of 10.54 billion yuan, followed by 领益智造 (5.68 billion yuan) and 汇顶科技 (3.14 billion yuan) [2][3]. Stock Performance - Key performers in the AI mobile concept sector included: - 胜宏科技: +7.95% with a net inflow ratio of 5.65% [3] - 领益智造: +4.65% with a net inflow ratio of 14.57% [3] - 汇顶科技: +10.00% with a net inflow ratio of 18.86% [3] - 江波龙: +16.73% with a net inflow ratio of 3.92% [3] - 佰维存储: +10.70% with a net inflow ratio of 3.36% [3] Sector Comparison - Other notable concept sectors included: - Storage chips: +5.66% - National big fund holdings: +4.88% - AI PC: +3.99% - Advanced packaging: +3.65% [2]

证券代码：688173 证券简称：希荻微 公告编号：2025-085 希荻微电子集团股份有限公司 关于原实际控制人股份继承过户的进展公告 本公司董事会及全体董事保证本公告内容不存在任何虚假记载、误导性陈述 或者重大遗漏，并对其内容的真实性、准确性和完整性依法承担法律责任。 希荻微电子集团股份有限公司（以下简称"公司"）原实际控制人之一戴祖 渝女士于 2025 年 5 月逝世，戴祖渝女士生前直接持有公司股份 93,790,457 股。 2025 年 8 月 25 日，经广东省深圳市先行公证处公证，上述股份全部由其长子暨 公司实际控制人之一 TAO HAI（陶海）先生继承。具体内容详见公司于 2025 年 8 月 26 日披露的《希荻微电子集团股份有限公司关于公司实际控制人变更暨股 东权益变动的提示性公告》（公告编号：2025-065）及《希荻微电子集团股份有 限公司详式权益变动报告书》。 鉴于股份继承过户登记手续所需的相关文件及所涉及的费用仍在准备和筹 措过程中，办理周期和程序比预期较长和繁杂，截至本公告披露之日，上述股份 继承过户尚未办理完成。公司将持续关注相关事项进展情况，并及时履行信息披 露义务。 特此公 ...

证券代码：688173 证券简称：希荻微 公告编号：2025-084 希荻微电子集团股份有限公司 2025 年 10 月 17 日 根据《上市公司股权激励管理办法》《希荻微电子集团股份有限公司 2024 年股票期权激励计划（草案）》及中国证券登记结算有限责任公司上海分公司关 于股票期权自主行权的相关规定，结合希荻微电子集团股份有限公司（以下简称 "公司"）2025 年第三季度报告的披露计划，现对公司 2024 年股票期权激励计 划的限制行权时间公告如下： | | 激励计划 | 行权期 | 行权代码 | | | 实际可行权期限 | | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 2024 | 年股票期权激励计 | 第一个行权期 | 1000000597 | 2025 | 年 | 月 5 | 22 | 日至 | | 划首次授予部分 | | | | 2026 | 年 | 3 | 月 27 | 日 | | 2024 | 年股票期权激励计 | 第一个行权期 | 1000000709 | 2025 | 年 8 | 月 6 | 日至 | 2026 ...

Group 1 - The core point of the news is that Xidiwei (希荻微) has regained effective control over its subsidiary Zinitix after a shareholder meeting on September 29, where new directors were elected, allowing the company to dominate the board [1] - Zinitix's board now consists entirely of personnel appointed by Xidiwei, with TAO HAI and 郝跃国 serving as company directors and senior management, while 洪根义 is responsible for a subsidiary, enabling Xidiwei to control more than half of the board seats [1] - As of October 13, the former directors of Zinitix have transferred necessary management rights and documents to Xidiwei, solidifying the company's control over significant operational decisions, personnel, and assets [1] Group 2 - Xidiwei has initiated civil and/or criminal lawsuits against former directors Nam David Ingyun, 权锡万, and 张浩哲 for alleged misconduct, including theft of trade secrets and breach of fiduciary duty, with cases accepted but not yet heard in California and South Korea [2]

Core Points - The risk of losing control over the subsidiary Zinitix has been alleviated as the board of directors has been restructured, allowing the company to maintain control [1][2] - Zinitix held a shareholders' meeting on September 29, where new directors were elected, ensuring that the company can control the majority of the board [1] - Legal actions have been initiated against former directors for alleged misconduct, but these cases are not expected to significantly impact the company's financial status [2] Summary by Sections Company Control - The company has successfully regained control over Zinitix after the election of new board members, all of whom are appointed by the company [1] - The new board includes internal directors and a non-executive director, allowing the company to secure a majority [1] Legal Actions - The company has filed civil and/or criminal lawsuits against former directors for alleged theft of trade secrets and other violations [2] - These legal proceedings are currently accepted but have not yet gone to trial, and the company does not anticipate any significant financial impact from these cases [2]

Core Viewpoint - The company HMI has successfully gained control over Zinitix through a series of legal and corporate governance maneuvers, following a court ruling that supported HMI's request to convene a temporary shareholders' meeting for Zinitix [1][2][4]. Group 1: Legal Proceedings and Corporate Governance - On August 11, the Suwon District Court in South Korea ruled in favor of HMI, allowing it to convene a temporary shareholders' meeting for Zinitix [2]. - The shareholders' meeting held on September 29 resulted in the approval of two key resolutions: the election of a temporary chairman and the appointment of new directors, all nominated by HMI [2][3]. - Following the meeting, Zinitix's board is now entirely composed of HMI-appointed members, allowing the company to control a majority of the board seats [2][3]. Group 2: Management Control and Business Operations - Zinitix's former directors have transferred necessary management materials and documents to HMI, enabling the company to fully understand Zinitix's operational status and risks [3]. - HMI has effectively eliminated the risk of losing control over Zinitix, as it can now make significant decisions regarding management, personnel, and assets [3][5]. - Zinitix, a chip design firm listed on the KOSDAQ in South Korea, has established relationships with over 50 global smart device manufacturers and is part of Samsung Electronics' supply chain [3]. Group 3: Legal Issues and Allegations - HMI has identified alleged misconduct by former Zinitix personnel, including theft of trade secrets and breach of fiduciary duty, leading to their dismissal [4][5]. - Legal actions have been initiated against these individuals in both California, USA, and South Korea, with cases currently accepted but not yet heard in court [5].

新增募集资金专项账户的核查意见 中国国际金融股份有限公司 关于希荻微电子集团股份有限公司 中国国际金融股份有限公司（以下简称"中金公司"或"保荐机构"）作为希荻微 电子集团股份有限公司（以下简称"希荻微"或"公司"）首次公开发行股票并在科 创板上市的保荐机构，根据《证券发行上市保荐业务管理办法》《科创板上市公司持 续监管办法（试行）》《上海证券交易所科创板股票上市规则》《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》《上市公司募集资金监管规则》等有 关规定，对公司新增募集资金专项账户的事项进行了审慎核查，具体情况如下： 一、募集资金基本情况 根据中国证券监督管理委员会于 2021 年 12 月 14 日出具的《关于同意广东希荻 微电子股份有限公司首次公开发行股票注册的批复》（证监许可〔2021〕3934 号）， 公司获准向社会公开发行人民币普通股 40,010,000 股，每股发行价格为人民币 33.57 元，募集资金总额为 134,313.57 万元；扣除发行费用共计 12,172.72 万元后，募集资 金净额为 122,140.85 万元，上述资金已全部到位，经普华永道中天会计师事务所 ...

国联民生证券承销保荐有限公司 关于希荻微电子集团股份有限公司 新增募集资金专项账户的核查意见 国联民生证券承销保荐有限公司（以下简称"国联民生承销保荐"或"保荐机构"） 作为希荻微电子集团股份有限公司（以下简称"希荻微"或"公司"）首次公开发行 股票并在科创板上市的保荐机构，根据《证券发行上市保荐业务管理办法》《科创板 上市公司持续监管办法（试行）》《上海证券交易所科创板股票上市规则》《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》《上市公司募集资金监管 规则》等有关规定，对公司新增募集资金专项账户的事项进行了审慎核查，具体情 况如下： 一、募集资金基本情况 根据中国证券监督管理委员会于 2021 年 12 月 14 日出具的《关于同意广东希荻 微电子股份有限公司首次公开发行股票注册的批复》（证监许可〔2021〕3934 号）， 公司获准向社会公开发行人民币普通股 40,010,000 股，每股发行价格为人民币 33.57 元，募集资金总额为 134,313.57 万元；扣除发行费用共计 12,172.72 万元后，募集资 金净额为 122,140.85 万元，上述资金已全部到位，经普华永 ...

对外担保管理制度 第一章 总则 第一条 为了规范希荻微电子集团股份有限公司（以下简称"公司"）的对外担 保行为，有效控制公司对外担保风险，保护投资者合法权益和公司财务安全，根据 《中华人民共和国公司法》《中华人民共和国证券法》《中华人民共和国民法典》《上 海证券交易所科创板股票上市规则》《上市公司监管指引第 8 号——上市公司资金往 来、对外担保的监管要求》等法律、法规、规章、规范性文件以及《希荻微电子集 团股份有限公司章程》（以下简称《公司章程》）的有关规定，并结合公司实际情况， 特制定本制度。 第二条 本制度所称对外担保，是指公司以第三人身份为他人提供的保证、抵押、 质押或其他形式的担保。具体种类包括借款担保、银行开立信用证和银行承兑汇票 担保、开具保函的担保等。公司为子公司提供的担保视为对外担保。 本制度所称公司及其控股子公司的对外担保总额，是指包括公司对子公司担保 在内的公司对外担保总额与公司子公司对外担保总额之和。 第三条 本制度适用于公司及其控股子公司。公司控股子公司应在其董事会或股 东会作出决议后及时通知公司履行有关信息披露义务。 本制度所称控股子公司是指公司持有其超过 50%的股份，或者能够决 ...