Meeting Overview - The second meeting of the Supervisory Board of Chengdu Huamei Electronics Technology Co., Ltd. was held on August 27, 2025, with all three supervisors present, confirming the legality and validity of the meeting [1]. Resolutions Passed - The Supervisory Board approved the "2025 Half-Year Report and Summary," affirming that the report accurately reflects the company's situation and complies with relevant regulations [1]. - The resolution to cancel the Supervisory Board and amend the company’s articles of association was also approved, pending shareholder meeting review [2]. - The "Special Report on the Storage, Management, and Actual Use of Raised Funds for the First Half of 2025" was approved unanimously [2]. - The "Half-Year Risk Assessment Report from China Electronics Finance Co., Ltd." was approved, with one supervisor abstaining from the vote due to a conflict of interest [3].

Meeting Information - The first extraordinary general meeting of 2025 will be held on September 16, 2025, at 14:00 in the conference room 2205 of Chengdu Huamei Electronics Technology Co., Ltd. [1] - The voting method for the meeting will combine on-site voting and online voting [1][3]. Voting Procedures - The online voting system will be the Shanghai Stock Exchange's shareholder meeting online voting system, available from September 16, 2025, during specified trading hours [1][4]. - Shareholders must complete identity verification to vote on the internet for the first time [4]. Attendance and Registration - Shareholders registered with China Securities Depository and Clearing Corporation Limited as of September 8, 2025, are eligible to attend the meeting [4][5]. - Registration for the meeting will occur on September 15, 2025, with options for on-site, mail, or email registration [5][6]. Proxy Voting - Shareholders can appoint proxies to attend the meeting and vote on their behalf, with specific documentation required for the proxy [5][6][9]. - The proxy must present the original identity documents and authorization letter during registration [6][9]. Additional Information - Attendees are responsible for their own transportation and accommodation costs [7]. - Contact information for the board office is provided for any inquiries [7].

成都华微电子科技股份有限公司2025 年半年度报告 公司代码：688709 公司简称：成都华微 成都华微电子科技股份有限公司 成都华微电子科技股份有限公司2025 年半年度报告 重要提示 一、 本公司董事会、监事会及董事、监事、高级管理人员保证半年度报告内容的真实性、准确 性、完整性，不存在虚假记载、误导性陈述或重大遗漏，并承担个别和连带的法律责任。 二、 重大风险提示 公司已在本报告中详细说明公司在经营过程中可能面临的各种风险，敬请查阅本报告"第三 节 管理层讨论与分析 四、风险因素"。 三、 公司全体董事出席董事会会议。 四、 本半年度报告未经审计。 五、 公司负责人王策、主管会计工作负责人刘永生及会计机构负责人（会计主管人员）刘永生 声明：保证半年度报告中财务报告的真实、准确、完整。 六、 董事会决议通过的本报告期利润分配预案或公积金转增股本预案 无。 七、 是否存在公司治理特殊安排等重要事项 □适用 √不适用 八、 前瞻性陈述的风险声明 √适用 □不适用 本报告所涉及未来计划、发展战略等前瞻性描述不构成公司对投资者的实质性承诺，敬请投 资者注意投资风险。 九、 是否存在被控股股东及其他关联方非经营性占 ...

Core Viewpoint - Chengdu Huamei Electronics Technology Co., Ltd. reported a significant increase in operating income but a substantial decline in net profit for the first half of 2025 compared to the previous year [3][4]. Financial Summary - Total assets at the end of the reporting period amounted to CNY 3,705,120,664.01, reflecting a 0.97% increase from the previous year [3]. - Net assets attributable to shareholders reached CNY 2,842,804,267.79, up by 1.19% year-on-year [3]. - Operating revenue for the period was CNY 354,924,960.45, representing a 26.93% increase compared to CNY 279,616,209.26 in the same period last year [3]. - Total profit decreased by 48.09% to CNY 40,625,180.70 from CNY 78,261,045.17 [3]. - Net profit attributable to shareholders fell by 51.26% to CNY 35,720,489.59 from CNY 73,284,314.34 [3]. - The net cash flow from operating activities was negative at CNY -269,972,183.16, compared to CNY -14,146,133.16 in the previous year [3]. - The weighted average return on net assets decreased by 1.93 percentage points to 1.26% [3]. - Basic and diluted earnings per share were both CNY 0.06, down 50% from CNY 0.12 [3]. - Research and development expenses accounted for 28.27% of operating revenue, an increase of 2.02 percentage points from the previous year [3]. Shareholder Information - The total number of shareholders as of the reporting period was 13,114 [3]. - The top ten shareholders included state-owned entities such as China Zhinhua Electronics Group Co., Ltd. and Huada Semiconductor Co., Ltd., with the largest shareholder holding 44.84% of the shares [4].

证券代码：688709 证券简称：成都华微 公告编号：2025-021 成都华微电子科技股份有限公司 第二届董事会第六次会议决议公告 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、准确性和完整性依法承担法律责任。 一、董事会会议召开情况 成都华微电子科技股份有限公司（以下简称"公司"）第二届董事会第六次 会议于2025年8月27日11:00以现场结合通讯方式召开。本次会议通知已于2025年 会议应出席董事7人，实际出席董事7人。本次会议的召集和召开、表决方式符合 《中华人民共和国公司法》《上海证券交易所科创板股票上市规则》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》的相关规定，会议 决议合法有效。 二、董事会会议审议情况 与会董事认真审议本次会议相关议案，以书面记名投票表决方式作出如下决 议： （一）审议通过《关于 2025 年半年度报告及摘要的议案》 本议案在提交董事会前已经第二届董事会审计委员会第六次会议审议通过。 表决结果：同意 7 票，反对 0 票，弃权 0 票。 具 体 内 容 详 见 公 司 于 2025 年 8 月 2 ...

Core Viewpoint - Chengdu Huawi announced the replacement of its continuous supervision sponsor representative due to personal work changes of the original representative [1] Group 1 - Chengdu Huawi received a letter from Huatai United Securities regarding the change of its continuous supervision sponsor representative [1] - The original representatives, Zhang Ruosi and Liao Jun, were appointed by Huatai United Securities for the initial public offering [1] - Jiang Fan has been appointed to replace Zhang Ruosi to ensure the orderly conduct of continuous supervision duties [1]

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。 成都华微电子科技股份有限公司（以下简称"公司"）于近日收到华泰联合证 券有限责任公司（以下简称"华泰联合证券"）出具的《关于更换成都华微电子科 技股份有限公司首次公开发行股票持续督导保荐代表人的函》，华泰联合证券作 为公司首次公开发行股票的保荐机构，原委派张若思先生和廖君先生作为持续督 导保荐代表人。现张若思先生因个人工作变动，不能继续担任持续督导期的保荐 代表人，为保证公司持续督导工作的有序进行，华泰联合证券现委派江帆先生（简 历详见附件）接替张若思先生担任持续督导保荐代表人，继续履行持续督导职责。 证券代码：688709 证券简称：成都华微 公告编号：2025-028 成都华微电子科技股份有限公司 关于变更持续督导保荐代表人的公告 本次保荐代表人变更后，公司首次公开发行股票的持续督导保荐代表人为江 帆先生和廖君先生，持续督导期至中国证券监督管理委员会和上海证券交易所规 定的持续督导义务结束为止。 公司董事会对张若思先生在公司首次公开发行股票及持续督导期间作出的 贡献表示衷 ...

格隆汇8月28日丨成都华微(688709.SH)发布中报，2025上半年实现营业总收入3.55亿元，同比增长 26.93%；归属母公司股东净利润3572.05万元，同比下降51.26%；基本每股收益为0.06元。 ...

Core Viewpoint - Chengdu Huami Electronics reported a revenue of 355 million yuan for the first half of 2025, a year-on-year increase of 26.93%, but net profit attributable to shareholders decreased by 51.26% to 35.72 million yuan, indicating a challenging environment despite revenue growth [1][4]. Financial Performance - The company achieved a revenue of 355 million yuan, reflecting a 26.93% year-on-year growth [1]. - Net profit attributable to shareholders was 35.72 million yuan, down 51.26% compared to the previous year [1]. - Basic earnings per share were 0.06 yuan [1]. Product Development and Innovation - Chengdu Huami has made significant advancements in cutting-edge technology, including a 28nm FPGA series with a logic scale of 70 million gates and a high-speed ADC chip with 14-bit 3.2Gsps [2]. - The company launched its first 4-channel 12-bit 16GSPS ADC chip, marking a major breakthrough in domestic ultra-high-speed data conversion [3]. - The new 32-bit RISC-V ultra-low-power MCU was showcased at the Shenzhen International Electronics Exhibition, targeting applications in lightweight scenarios [2]. R&D Investment - R&D expenditure accounted for 28.27% of revenue, significantly higher than the previous year [5]. - The R&D team expanded to 401 members, with nearly half holding master's degrees or higher [5]. - The company holds 121 invention patents, 238 integrated circuit layout design rights, and 44 software copyrights [5]. Market Strategy - Chengdu Huami adopted an aggressive market strategy, embedding technical teams into client R&D processes and adjusting prices for mature products to increase market penetration [7][8]. - This strategy, while impacting short-term gross margins, has successfully expanded the company's application share in high-growth areas like radar detection and satellite communication [8]. Industry Context - The semiconductor industry faces common challenges, with many companies experiencing a divergence between revenue and profit growth [9]. - Chengdu Huami has maintained steady revenue growth and increased the domestic replacement rate of core products, showcasing resilience in a cyclical industry [9]. - The company's logic chips are gaining market share in the domestic FPGA market, and high-precision ADCs are seeing bulk applications in industrial measurement [9]. Future Outlook - The company's current profit fluctuations are viewed as strategic positioning for future growth, with expectations for significant market opportunities in high-end chip products driven by national policy support [10]. - As R&D investments translate into industrial results, the company is poised for a new cycle of higher quality growth [10].

Financial Performance - Chengdu Huamei reported a revenue of 355 million yuan for the first half of 2025, representing a year-on-year increase of 26.93% [1] - The net profit attributable to shareholders was 36 million yuan, a decline of 51.26% compared to the previous year [1] - In Q2 2025, the company achieved a revenue of 199 million yuan, up 41.87% year-on-year, while the net profit was 14 million yuan, down 5.58% [1] Cash Flow and Investment - The net cash outflow from operating activities in the first half of the year was 270 million yuan, compared to a net outflow of 14 million yuan in the same period last year, attributed to increased orders and higher cash payments for procurement and outsourcing [1] - The company invested 319 million yuan in chip R&D and industrialization projects, with a progress rate of 42.50%, expected to be operational by February 2027 [5] - For high-end integrated circuit R&D and industrial base projects, a total investment of 395 million yuan has been made, with a progress rate of 71.87%, also expected to be operational by February 2027 [5] R&D and Product Development - Chengdu Huamei's R&D expenditure totaled 100 million yuan, a year-on-year increase of 36.67%, accounting for 28.27% of revenue, an increase of 2.02 percentage points [3] - The company has nine ongoing R&D projects, including high-performance FPGA and ultra-high-speed ADC/DAC [3] - The product structure includes digital integrated circuits and analog integrated circuits, with digital circuit revenue at 178 million yuan (50.06% of total revenue) and analog circuit revenue at 153 million yuan (43.26% of total revenue) [4] Industry Context - The special integrated circuit industry is facing intense competition and significant demand fluctuations, with challenges such as rapid technological iteration and high R&D costs [5] - However, there are opportunities arising from accelerated domestic production and growing demand for high-precision products [5]