证券代码：688381 证券简称：帝奥微 江苏帝奥微电子股份有限公司 2025 年第三次临时股东会会议资料 2025 年 9 月·上海 1 为维护全体股东的合法权益，确保本次股东会的正常秩序和议事效率，保证 大会的顺利召开，根据《公司法》、《上市公司股东会规则》、《公司章程》和公司 《股东会议事规则》等规定，特制定会议须知如下： 一、为确认出席大会的股东或其代理人或其他出席者的出席资格，会议工作 人员将对出席会议者的身份进行必要的核对工作，请被核对者给予配合。 二、请出席大会的股东或其代理人或其他出席者在会议召开前 30 分钟到达 会场办理签到手续，并请按规定出示证券账户卡、身份证、法定代表人/执行事 务合伙人委派代表身份证明书、营业执照复印件（加盖公章）、授权委托书等证 明文件，经验证后方可出席会议。为保证本次大会的严肃性和正常秩序，切实维 护股东的合法权益，务必请出席大会的股东或其代理人或其他出席者准时到达会 场签到确认参会资格，在会议主持人宣布现场出席会议的股东和代理人人数及所 持有的表决权数量之前，会议登记应当终止。在此之后进场的股东或股东代理人 无权参与现场投票表决。 三、出席会议的股东依法享有发言 ...

证券代码：688381 证券简称：帝奥微 公告编号：2025-047 江苏帝奥微电子股份有限公司 关于参加 2025 年半年度科创板芯片设计行业集体业 绩说明会的公告 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： 线 上 文 字 互 动 平 台 ： 上 海 证 券 交 易 所 上 证 路 演 中 心 （http://roadshow.sseinfo.com/） 投资者可于 2025 年 9 月 1 日（星期一）至 9 月 5 日（星期五）16:00 前登录上证路演中心网站首页点击"提问预征集"栏目或通过公司邮箱 stock@dioo.com 进行提问。公司将在说明会上对投资者普遍关注的问题进行回 答。 江苏帝奥微电子股份有限公司（以下简称"公司"）已于 2025 年 8 月 23 日 发布公司 2025 年半年度报告，为便于广大投资者更全面深入地了解公司 2025 年半年度经营成果、财务状况、发展理念，公司参与了由上海证券交易所主办的 2025 年半年度科创板芯片设计行业集体业绩说明会，此次活动将采用网络 ...

Core Viewpoint - DiAo Micro (688381.SH) is currently experiencing a decline in stock price, with a closing price of 27.21 yuan and a drop of 4.29%, indicating it is in a state of underperformance since its IPO [1] Group 1: IPO and Financials - DiAo Micro was listed on the Shanghai Stock Exchange's Sci-Tech Innovation Board on August 23, 2022, with an initial public offering of 63.05 million shares at a price of 41.68 yuan per share [1] - The stock reached a peak price of 55.50 yuan on its first trading day but has since experienced a downward trend [1] - The total amount raised from the IPO was 262.79 million yuan, with a net amount of 241.56 million yuan after deducting issuance costs, exceeding the original fundraising plan by 91.56 million yuan [1] - The company intended to use the raised funds for product upgrades, R&D center construction, and working capital [1] Group 2: Underwriting and Investment - The lead underwriter for DiAo Micro's IPO was CITIC Securities Co., Ltd., with a total underwriting fee of 18.08 million yuan [1] - CITIC Securities' subsidiary, CITIC Investment Co., Ltd., participated in the offering with a co-investment of 3% of the total shares issued, amounting to 189.15 thousand shares and an allocation of 7.88 million yuan [2] - The lock-up period for the shares allocated to CITIC Investment is set for 24 months from the date of listing [2]

Core Points - The stock of DiAo Micro (688381.SH) closed at 27.21 yuan, with a decline of 4.29%, currently in a state of breaking issue [1] - DiAo Micro was listed on the Shanghai Stock Exchange's Sci-Tech Innovation Board on August 23, 2022, with an initial public offering of 63.05 million shares at a price of 41.68 yuan per share [1] - The stock reached a high of 55.50 yuan on its first trading day but has since experienced a downward trend [1] Fundraising and Financials - DiAo Micro raised a total of 262.79 million yuan through its initial public offering, with a net amount of 241.56 million yuan after deducting issuance costs [1] - The net fundraising amount exceeded the original plan by 91.56 million yuan, with the company initially aiming to raise 150 million yuan for various projects including chip product upgrades and the establishment of research centers [1] - The total issuance costs amounted to 21.23 million yuan, with the lead underwriters, CITIC Securities and Pacific Securities, receiving 18.08 million yuan in underwriting fees [1] Investment Participation - CITIC Investment, a subsidiary of the lead underwriter, participated in the offering with a stake of 3%, acquiring 1.89 million shares for an amount of 78.84 million yuan, subject to a 24-month lock-up period [2]

Core Insights - The company reported a total revenue of 306 million yuan for the first half of 2025, an increase of 40.19 million yuan compared to the same period last year, marking a year-on-year growth of 15.11% [1] - The net profit attributable to shareholders was -4.21 million yuan, indicating a loss [1] - The net cash inflow from operating activities was -17.77 million yuan, which is an improvement of 13.11 million yuan compared to the same period last year [1] Financial Metrics - The latest debt-to-asset ratio stands at 6.95% [3] - The gross profit margin is reported at 45.49% [3] - The return on equity (ROE) is -0.16% [3] - The diluted earnings per share (EPS) is -0.02 yuan [3] - The total asset turnover ratio is 0.11 times, which is an increase of 0.02 times year-on-year, reflecting a growth of 23.48% [3] - The inventory turnover ratio is 1.05 times [3] Shareholder Information - The number of shareholders is 15,600, with the top ten shareholders holding a total of 119 million shares, accounting for 48.11% of the total share capital [3] - The top shareholders and their respective holdings are as follows: - Ju Jianhong: 19.5% - Beijing Woyan Capital Management Center (Limited Partnership) - Shanghai Woyan Venture Capital Partnership (Limited Partnership): 4.98% - Guotai Integrated Circuit Development Co., Ltd.: 4.97% - Jiangsu Runyou Investment Group Co., Ltd.: 4.85% - Hubei Xiaomi Changjiang Industrial Investment Fund Management Co., Ltd. - Hubei Xiaomi Changjiang Industrial Fund Partnership (Limited Partnership): 4.86% - Gu Ningzhong: 2.59% - Zheng Hui: 1.86% - Nantong Antai Real Estate Development Co., Ltd.: 1.55% - Roger Zhang: 1.53% - Shanghai Xinxin Integrated Circuit Technology Center (Limited Partnership): 1.33% [3]

Summary of Key Points Core Viewpoint - On August 25, a total of 6 listed companies experienced the lifting of restrictions on their shares, with a total market value of approximately 3.883 billion yuan being unlocked [1]. Group 1: Companies and Share Unlocking Details - Zhongke Jincai (Stock Code: 002657) had 1.2562 million shares released from equity incentive restrictions [1]. - Oupokangshi (Stock Code: 300595) had 525,300 shares released from equity incentive restrictions [1]. - United Chemical (Stock Code: 301209) had 55.5 million shares released from pre-issue restrictions [1]. - Xuantai Pharmaceutical (Stock Code: 688247) had 31.1 million shares released [1]. - Diaowe (Stock Code: 688381) had 800,000 shares released [1]. - Tailin Micro (Stock Code: 688591) had 240,000 shares released [1].

Core Insights - The company reported a revenue increase but a significant decline in net profit for the first half of 2025, indicating challenges in profitability despite higher sales [1][3] Financial Performance - Total revenue for the first half of 2025 reached 306 million yuan, a year-on-year increase of 15.11% compared to 266 million yuan in 2024 [1] - The net profit attributable to shareholders was -4.21 million yuan, reflecting a 115.73% decline from a profit of 26.77 million yuan in the previous year [1] - The gross margin was 45.49%, a slight decrease of 0.72% from 45.82% in 2024 [1] - The net margin turned negative at -1.38%, a significant drop of 113.66% from 10.06% in the previous year [1] - Total expenses (selling, administrative, and financial) amounted to 58.93 million yuan, accounting for 19.25% of revenue, which is an increase of 9.16% year-on-year [1] Cash Flow and Assets - The company reported a negative operating cash flow per share of -0.07 yuan, although this was an improvement of 41.37% from -0.12 yuan in the previous year [1] - The net asset value per share decreased to 10.56 yuan, down 7.9% from 11.47 yuan in 2024 [1] - Accounts receivable increased by 40.89% to 72.16 million yuan, indicating potential issues with cash collection [1] Investment Returns - The company's historical return on invested capital (ROIC) has been low, with a median of 1.99% since its listing, and a particularly poor performance in 2018 with a ROIC of -13.04% [3] - The company has recorded two years of losses since its IPO, suggesting a fragile business model [3] Debt and Solvency - The company’s interest-bearing debt surged by 1985.88% to 106 million yuan, raising concerns about its debt management [1] - Despite the increase in debt, the company maintains healthy cash assets, which may support its solvency [3]

Group 1 - The core point of the article is that 31 stocks will have their restrictions lifted next week, with a total market value of 23.481 billion yuan based on the latest closing prices [1] - Rongbai Technology has the highest market value of restricted shares to be released, with 250 million restricted shares becoming tradable next week, primarily consisting of original shareholders' restricted shares from the initial public offering [1] - Several companies, including Nine Company-WD, Baiwei Storage, Rongbai Technology, Wanma Co., and Yinhui Technology, have recently received institutional research [1] Group 2 - The table lists the stocks with the highest market value of restrictions lifted, including Rongzi Technology (5.707 billion yuan), Zhenhua Wind Power (5.282 billion yuan), and Xuantai Pharmaceutical (3.798 billion yuan) [3] - The percentage of restricted shares released relative to the total shares varies, with Xuantai Pharmaceutical having 68.61% of its shares restricted, while Zhenhua Wind Power has 43.04% [3] - The price changes since August for these stocks show varied performance, with Kai Ge Precision Machinery increasing by 31.54% and Xuantai Pharmaceutical decreasing by 4.01% [3]

Core Viewpoint - DiAo Micro (688381.SH) reported its semi-annual results for 2025, highlighting a decrease in institutional investor holdings compared to the previous quarter [1] Institutional Holdings - As of August 22, 2025, a total of 9 institutional investors disclosed holdings in DiAo Micro, amounting to 61.19 million shares, which represents 24.72% of the total share capital [1] - The institutional holding percentage decreased by 2.18 percentage points compared to the previous quarter [1] Public Fund Holdings - One new public fund disclosed its holdings this period, namely the Chuangjin Hexin CSI Sci-Tech Innovation 50 Index Enhanced A [1] - One public fund, the Tianzhi China Manufacturing 2025 Mixed Fund, was not disclosed in this period compared to the previous quarter [1]

Core Viewpoint - Jiangsu Diao Microelectronics Co., Ltd. held its 13th meeting of the second Supervisory Board on August 22, 2025, where several key resolutions were passed regarding the company's financial reporting and governance structure [1][2][3] Group 1: Financial Reporting - The Supervisory Board unanimously approved the 2025 semi-annual report, confirming that the report's preparation and review processes comply with legal and regulatory requirements, and accurately reflect the company's financial status and operating results [1][2] - The report does not contain any false records, misleading statements, or significant omissions [1] Group 2: Fund Management - The Supervisory Board also approved the special report on the storage and use of raised funds for the first half of 2025, affirming compliance with relevant regulations and the company's fund management measures [2] - The company has stored and used the raised funds in a dedicated account, fulfilling information disclosure obligations without any unauthorized changes in fund usage or violations [2] Group 3: Governance Structure - A resolution was passed to cancel the Supervisory Board and transfer its powers to the Audit Committee of the Board of Directors, with corresponding amendments to the company's articles of association [3] - This resolution requires approval from the company's shareholders and aligns with various legal and regulatory guidelines [3]