证券代码：688511 证券简称：天微电子 公告编号：2025-020 四川天微电子股份有限公司 关于续聘公司2025年度会计师事务所的公告 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。 重要内容提示: 拟续聘的会计师事务所名称：四川华信（集团）会计师事务所（特殊普 通合伙） 一、拟聘任会计师事务所的基本情况 （一）机构信息 1、基本信息 机构名称：四川华信（集团）会计师事务所（特殊普通合伙）（以下简称" 四川华信"） 成立日期：1988年6月（转制换证2013年11月27日） 组织形式：特殊普通合伙 注册地址：泸州市江阳中路28号楼三单元2号 四川华信按照《会计师事务所职业责任保险暂行办法》的规定，购买的职 业保险累计赔偿限额8,000.00万元，职业风险基金2,558.00万元，职业风险基金 计提及职业保险购买符合财政部关于《会计师事务所职业风险基金管理办法》 等文件的相关规定。近三年四川华信无因执业行为在相关民事诉讼中承担民事 责任的情况。 3、四川华信近三年因执业行为受到刑事处罚0次、行政处罚0次、监督管理 措施 ...

| 四川华信(集团)会计师事务所 地址:成都市洗面桥街18号金茂礼都南28楼 | | --- | | 电话:(028) 85560449 | | 传真:(028) 85560449 (特殊普通合伙) | | 邮编: 610041 | | SI CHUAN HUA XIN (GROUP) CPA (LLP) 电邮: schxzhb@2hxcpa.com.cn | 1、关于四川天微电子股份有限公司募集资金存放与使用情况专项报告的鉴证报告 2、四川天微电子股份有限公司募集资金存放与使用情况的专项报告 3、募集资金使用情况对照表 您可使用手机"扫一扫"或进入"注册会计师行业统一监管平台（http://acc.mof.gov.cn） 四川天微电子股份有限公司 专项报告 关于四川天微电子股份有限公司 2024 年度募集资金存放与使用情况专项报告的鉴证报告 川华信专(2025) 第 0673 号 目录 关于四川天微电子股份有限公司 2024 年度募集资金存放与使用情况专项报告的鉴证报告 川华信专(2025)第 0673 号 四川天微电子股份有限公司全体股东: 我们接受委托,对后附的四川天微电子股份有限公司(以下简称 "贵公 ...

四川天微电子股份有限公司 董事会审计委员会 2024 年度履职情况报告 根据中国证监会《上市公司治理准则》《上海证券交易所科创板股票上市 规则》《四川天微电子股份有限公司章程》《四川天微电子股份有限公司董事 会审计委员会工作细则》等相关规范性文件的要求，2024 年四川天微电子股份 有限公司（以下简称"公司"或"本公司"）董事会审计委员会（以下简称 "审计委员会"）本着勤勉尽责的原则，切实有效地开展工作，现将履职情况 报告如下： 一、审计委员会组成 根据公司《董事会审计委员会工作细则》规定，审计委员会由三名不在公 司担任高级管理人员的董事组成，独立董事应当在委员会成员中占多数，其中 至少应有一名独立董事是会计专业人士。审计委员会设召集人（主任委员）一 名，由独立董事担任，负责主持审计委员会工作。召集人应为会计专业人士。 主任委员由董事会批准产生。主要职责是依据《公司章程》的规定对公司内部 控制、财务信息和内部审计等进行监督、检查和评价等。 报告期内，审计委员会由 3 名董事组成，分别为陈旭东、祁康成、柳锦春， 三位委员均为独立董事，陈旭东为会计专业人士，由陈旭东担任审计委员会主 任委员。 1 | 序号 | 届 ...

二. 内部控制评价结论 1. 公司于内部控制评价报告基准日，是否存在财务报告内部控制重大缺陷 □是 √否 四川天微电子股份有限公司全体股东： 根据《企业内部控制基本规范》及其配套指引的规定和其他内部控制监管要求（以下简称企业内部 控制规范体系），结合本公司（以下简称公司）内部控制制度和评价办法，在内部控制日常监督和专项 监督的基础上，我们对公司2024年12月31日（内部控制评价报告基准日）的内部控制有效性进行了评价。 一. 重要声明 按照企业内部控制规范体系的规定，建立健全和有效实施内部控制，评价其有效性，并如实披露内 部控制评价报告是公司董事会的责任。监事会对董事会建立和实施内部控制进行监督。经理层负责组织 领导企业内部控制的日常运行。公司董事会、监事会及董事、监事、高级管理人员保证本报告内容不存 在任何虚假记载、误导性陈述或重大遗漏，并对报告内容的真实性、准确性和完整性承担个别及连带法 律责任。 公司内部控制的目标是合理保证经营管理合法合规、资产安全、财务报告及相关信息真实完整，提 高经营效率和效果，促进实现发展战略。由于内部控制存在的固有局限性，故仅能为实现上述目标提供 合理保证。此外，由于情况的变化 ...

关于首次公开发行股票募投项目延期的公告 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。 四川天微电子股份有限公司于2025年4月29日召开第二届董事会第十五次会议 和第二届监事会第十五次会议审议通过了《关于首次公开发行股票募投项目延期 的议案》，同意公司将首次公开发行股票募集资金投资项目（以下简称"募投项 目"），即"新型灭火抑爆系统升级项目"、"高可靠核心元器件产品产业化项 目"和"天微电子研发中心建设项目"达到预定可使用状态的日期进行延期。本 次募投项目延期未改变募投项目的投资内容、投资总额、实施主体，不会对募投 项目的实施造成实质性影响。 证券代码：688511 证券简称：天微电子 公告编号：2025-018 四川天微电子股份有限公司 公司监事会发表了明确同意的意见，保荐机构国金证券股份有限公司对本事 项出具了明确的核查意见。该事项无需提交公司股东大会审议，现将相关情况公 告如下： 一、募集资金的基本情况 经中国证券监督管理委员会《关于同意四川天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〕1 ...

证券代码：688511 证券简称：天微电子 公告编号：2025-025 四川天微电子股份有限公司 关于召开2024年年度股东大会的通知 本公司董事会及全体董事保证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。 重要内容提示： 一、 召开会议的基本情况 （一） 股东大会类型和届次 2024年年度股东大会 （二） 股东大会召集人：董事会 （三） 投票方式：本次股东大会所采用的表决方式是现场投票和网络投票相结 合的方式 （四） 现场会议召开的日期、时间和地点 召开日期时间：2025 年 5 月 29 日 14 点 30 分 召开地点：中国（四川）自由贸易试验区成都市双流区西南航空港经济开发 区黄甲街道物联一路 233 号公司办公楼九楼会议室 （五） 网络投票的系统、起止日期和投票时间。 网络投票系统：上海证券交易所股东大会网络投票系统 网络投票起止时间：自2025 年 5 月 29 日 至2025 年 5 月 29 日 股东大会召开日期：2025年5月29日 本次股东大会采用的网络投票系统：上海证券交易所股东大会网络投票 系统 采用上海证券交易所网络投票系 ...

Financial Performance - The company's operating revenue for Q1 2025 was CNY 40,449,728.91, representing a 9.16% increase compared to CNY 37,055,637.21 in the same period last year[3]. - Net profit attributable to shareholders increased by 81.13% to CNY 17,335,310.26 from CNY 9,570,428.87 year-over-year[3]. - The net profit after deducting non-recurring gains and losses surged by 120.92% to CNY 15,106,429.91 compared to CNY 6,837,995.72 in the previous year[3]. - Basic earnings per share rose by 38.67% to CNY 0.1689 from CNY 0.1218 in the same period last year[3]. - Total operating revenue for Q1 2025 reached CNY 40,449,728.91, an increase of 9.5% compared to CNY 37,055,637.21 in Q1 2024[18]. - Net profit for Q1 2025 was CNY 16,945,086.52, up 77.5% from CNY 9,570,428.87 in Q1 2024[19]. - Earnings per share (EPS) for Q1 2025 was CNY 0.1689, compared to CNY 0.1218 in Q1 2024, reflecting a 38.7% increase[20]. Research and Development - Research and development expenses totaled CNY 4,688,960.87, a decrease of 7.00% from CNY 5,042,019.28 in the previous year[3]. - The ratio of R&D expenses to operating revenue decreased by 2.01 percentage points to 11.59% from 13.61%[4]. - Research and development expenses for Q1 2025 were CNY 4,688,960.87, down from CNY 5,042,019.28 in Q1 2024, indicating a decrease of 7%[18]. Cash Flow and Liquidity - The net cash flow from operating activities improved by 28.12%, reaching CNY -10,913,983.88 compared to CNY -15,183,534.13 in the previous year[3]. - The company reported a cash balance of approximately ¥272.99 million as of March 31, 2025, compared to ¥130.26 million on December 31, 2024, indicating a significant increase in liquidity[14]. - Cash inflow from operating activities in Q1 2025 was $12,738,914.03, compared to $13,278,020.48 in Q1 2024, reflecting a decrease of approximately 4.1%[23]. - Net cash outflow from operating activities in Q1 2025 was -$10,913,983.88, an improvement from -$15,183,534.13 in Q1 2024[24]. - Cash inflow from investment activities in Q1 2025 was $582,514,414.45, up from $437,593,829.22 in Q1 2024, representing an increase of about 33%[24]. - The net increase in cash and cash equivalents for Q1 2025 was $144,078,027.12, compared to a decrease of -$103,405,992.79 in Q1 2024[25]. - The ending balance of cash and cash equivalents for Q1 2025 was $270,474,290.73, significantly higher than $46,496,372.49 in Q1 2024[25]. Assets and Liabilities - Total assets at the end of the reporting period were CNY 937,790,744.77, a slight increase of 0.63% from CNY 931,889,981.58 at the end of the previous year[4]. - Total liabilities decreased to CNY 101,067,728.10 from CNY 122,922,694.15, a reduction of 17.7%[16]. - The equity attributable to shareholders increased by 2.18% to CNY 826,613,240.41 from CNY 808,967,287.43 at the end of the previous year[4]. - The company's equity attributable to shareholders increased to CNY 826,613,240.41 from CNY 808,967,287.43, marking a growth of 2.1%[17]. Shareholder Information - The major shareholder, 巨万里, holds 43.09% of the shares, while the top ten shareholders collectively hold a significant portion of the company's equity[9]. - The company has not engaged in any share lending or borrowing activities through margin trading, indicating stable shareholder positions[10]. Risks and Challenges - The company faces a risk of delisting if its audited profit or revenue falls below specified thresholds, with a warning that its stock may be flagged for delisting risk after the 2024 annual report[11]. - The company is currently in negotiations regarding pricing disputes with a major client, which may impact future revenue recognition and cash flow[12][13]. - The company has not yet initiated the pricing review process for military products, which adds uncertainty to the recoverability of accounts receivable[13]. - The company’s primary revenue source is from military product sales, particularly in the defense industry, which is subject to fluctuations based on client production plans[11]. Investment Strategy - The company has a total of ¥270 million in trading financial assets as of March 31, 2025, down from ¥425 million at the end of 2024, indicating a shift in investment strategy or liquidity management[14]. - The company plans to continue expanding its market presence and investing in new technologies, although specific figures were not disclosed in the call[22].

二、董事会会议审议情况 本次会议以书面投票的表决方式进行表决。经与会董事认真审议，本次会议 审议通过了如下议案： 四川天微电子股份有限公司 第二届董事会第十五次会议决议公告 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、准确性和完整性承担法律责任。 一、董事会会议召开情况 四川天微电子股份有限公司（以下简称"公司"）第二届董事会第十五次会 议于 2025 年 4 月 29 日在公司会议室召开。本次董事会会议通知及会议材料已于 2025 年 4 月 18 日以电子邮件形式向公司全体董事发出。会议采用现场与通讯相 结合的方式召开，由董事长巨万里先生主持。本次会议应出席董事 8 人，实际出 席董事 8 人，部分监事和高级管理人员列席本次会议。本次会议的召集、召开符 合有关法律、行政法规、部门规章、规范性文件和《公司章程》的规定。 证券代码：688511 证券简称：天微电子 公告编号：2025-016 （一）审议通过《关于公司<2024 年度董事会工作报告>的议案》 2024 年度，公司董事会严格按照有关法律法规、规范性文件及公司制度的 规定，切实履行董事会职责 ...

四川天微电子股份有限公司 2024年度业绩快报暨业绩预告更正公告 证券代码：688511 证券简称：天微电子 公告编号：2025-015 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。 四川天微电子股份有限公司（以下简称"公司"）于 2025 年 1 月 18 日和 2025 年 2 月 28 日在《上海证券报》《中国证券报》《证券日报》《证券时报》 及上海证券交易所网站（www.sse.com.cn）披露了公司《2024 年年度业绩预亏公 告》和《2024 年度业绩快报》，现对相关内容修正如下，财务数据未经会计师 事务所审计，具体以公司将来披露的 2024 年年度报告为准，提请投资者注意投 资风险。 | 项目 | 修正前 （业绩预 | 本报告期 | 修正后 | | 修正后 的增减 变动幅 | | --- | --- | --- | --- | --- | --- | | | | 修正前 | | 上年同期 | | | | | （业绩快报） | | | | | | 告） | | | | 度（％） | | 营业总收入 | 不适 ...

Financial Performance - The company reported a revenue of 77.76 million yuan for the year 2024, a decrease of 44.65% year-over-year[4]. - The net profit attributable to the parent company was -29.16 million yuan, representing a decline of 158.66% compared to the previous year[4]. - The net profit attributable to the parent company after deducting non-recurring gains and losses was -34.83 million yuan, down 222.86% year-over-year[4]. - The decline in revenue was primarily due to decreased demand for the company's main product, the fire suppression and explosion suppression system, influenced by macroeconomic policies affecting the automotive industry[4]. - The company will not distribute cash dividends or issue bonus shares for the fiscal year 2024, considering its performance and future funding needs[9]. - The company reported a net profit attributable to the parent company of -29,157,332.80 RMB for the fiscal year 2024, with undistributed profits amounting to 146,779,422.64 RMB[178]. - The company plans no cash dividends, stock bonuses, or capital reserve transfers for the 2024 profit distribution[178]. Research and Development - The company increased its R&D investment, with R&D expenses accounting for 28.29% of revenue, up 16.87 percentage points from the previous year[26]. - The company applied for 13 new invention patents in 2024, with 2 patents granted, increasing its total to 21 active patents[38]. - The company is actively exploring the application of artificial intelligence in the security protection sector, focusing on multi-scenario applications[38]. - Research and development investment for the year was 21.997 million yuan, an increase of 37.12%, accounting for 28.29% of total revenue[40]. - The company has developed its fifth-generation fire extinguishing and explosion suppression system, achieving key performance indicators comparable to international products[77]. - The company continues to increase R&D investment in various projects, including general collection drive devices and UV optical detector technology[199]. Market and Product Development - The company is actively expanding its civilian product market, leveraging over 20 years of accumulated technology in real-time detection and intelligent control[42]. - A new AI-based electric vehicle safety protection system has been developed, featuring automatic fire alarm and extinguishing capabilities[43]. - The company is expanding into the civilian market, leveraging military technology for customized solutions in various sectors, but faces risks from macroeconomic factors[88]. - The company plans to expand its civil product market by leveraging over 20 years of accumulated core technologies, aiming to enhance competitiveness and influence in the civil market, particularly in the renewable energy sector[132]. - The company has established a comprehensive research and production technology platform for nuclear and biochemical protection systems, expanding its product applications across various military platforms[58]. Risks and Challenges - The company is at risk of delisting as it reported a negative net profit and revenue below 100 million yuan, which triggers delisting warnings under the Shanghai Stock Exchange rules[7]. - The company faces risks related to temporary price adjustments for military products, which could adversely impact revenue if significant reductions occur[5]. - The company anticipates a risk of further delays or changes in fundraising projects due to external uncertainties and has postponed the expected completion date to July 30, 2026[98]. - The company faces risks related to fluctuations in commissioned research project income, which is dependent on the number and scale of projects completed in a given period[87]. - The company is exposed to risks from potential reductions in national defense spending, which could impact military orders and profitability[95]. Governance and Management - The company has established a modern corporate governance structure, enhancing the operation mechanisms of the shareholders' meeting, board of directors, supervisory board, and management[188]. - The board of directors consists of 8 members, including 3 independent directors, ensuring compliance with legal requirements and effective decision-making[139]. - The company maintains independence from its controlling shareholder, ensuring no interference in decision-making and operations, thereby safeguarding its autonomy[139]. - The company has proposed a three-year shareholder return plan for 2024-2026, reflecting a commitment to enhancing shareholder value[147]. - The company has appointed new independent directors, enhancing its governance structure and oversight capabilities[147]. Environmental and Social Responsibility - The company invested 3.41 million yuan in environmental protection during the reporting period[190]. - The company has achieved a 100% compliance rate in environmental management goals, ensuring zero accidents in safety and environmental protection[196]. - The company actively promotes ESG awareness among employees and integrates ESG work into its business philosophy[185]. - The company emphasizes data privacy protection and ensures compliance in product R&D and application[200].