人民财讯10月20日电，帝奥微(688381)10月20日公告，公司拟通过发行股份及支付现金的方式购买董志 伟等所持荣湃半导体(上海)有限公司(简称"荣湃半导体")100%股权，同时拟向不超过35名符合条件的特 定投资者非公开发行股票募集配套资金。本次交易完成后，公司将直接持有荣湃半导体100%股权。标 的公司主营业务专注于高性能、高品质模拟芯片的设计、研发与销售。公司股票将于2025年10月21日开 市起复牌。 ...

帝奥微：公司股票将于2025年10月21日开市起复牌。 ...

截至本公告披露之日，公司及有关各方正在积极推进本次交易的相关工作。 鉴于本次交易尚存在不确定性，为维护投资者利益，避免公司股价异常波动，根 据上海证券交易所相关规定，公司股票（股票简称：帝奥微，证券代码：688381） 自 2025 年 10 月 14 日（星期二）开市起继续停牌，继续停牌时间不超过 5 个交 易日。停牌期间，公司将根据本次交易相关事项的进展情况及时履行信息披露义 务。 公司将严格按照法律法规、规范性文件的有关规定积极推进本次交易筹划事 项的各项工作，履行必要的审议程序，尽快向上海证券交易所提交披露符合相关 规定的文件并申请股票复牌。 公司所有信息均以在指定的信息披露媒体上披露的公告为准。公司本次交易 事项尚存在不确定性，敬请广大投资者关注公司后续公告并注意投资风险。 证券代码：688381 证券简称：帝奥微 公告编号：2025-055 江苏帝奥微电子股份有限公司 关于筹划发行股份及支付现金购买资产事项的停牌 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。 江苏帝奥微电子股份有限公司（以下简称"帝 ...

Investment Rating - The investment rating for the company is "Outperform the Market" (maintained) [3][14]. Core Views - The company is planning to acquire a stake in Rongpai Semiconductor, which is expected to enhance its product line and market expansion [5][14]. - Rongpai Semiconductor specializes in analog chip design, focusing on high-barrier markets such as new energy and automotive electronics, which aligns with the company's strategic goals [6][10]. - The acquisition, if successful, will complement the company's product offerings and accelerate its market penetration [5][14]. Summary by Sections Acquisition Details - The company is in the process of planning to acquire Rongpai Semiconductor through a combination of issuing shares and cash payments [5][10]. - Rongpai Semiconductor's products include digital isolators, drivers, interfaces, and sampling components, which are crucial for applications in electric vehicles and industrial control [6][10]. Financial Projections - The projected net profits for the company from 2025 to 2027 are estimated at 64 million, 90 million, and 128 million respectively, with corresponding P/E ratios of 109x, 77x, and 54x based on the stock price as of October 9, 2025 [5][14]. - The company's revenue is expected to grow significantly, with a forecasted increase in shipments by 40% year-on-year in the first quarter of 2025 [10]. Market Positioning - Rongpai Semiconductor aims to become a leading provider of high-performance analog integrated circuits, focusing on key clients and expanding its supply chain capabilities [10]. - The company is committed to enhancing its core competencies and transitioning from product advantages to cost advantages in the semiconductor market [10].

Core Viewpoint - The company DiAo Micro (688381) is planning to acquire the equity of Rongpai Semiconductor (Shanghai) Co., Ltd. through a combination of issuing shares and cash payment, with no change in actual control and not constituting a restructuring listing [1] Group 1: Acquisition Details - The acquisition involves signing a letter of intent with the main shareholder of Rongpai Semiconductor, Dong Zhiwei, but the valuation, transaction amount, and the ratio of shares to cash have not yet been determined [1] - The transaction may or may not constitute a major asset restructuring or related party transaction [1] Group 2: Target Company Overview - Rongpai Semiconductor, established in 2017, specializes in the design and development of high-performance analog chips, including digital isolators and isolation interfaces, with applications in various sectors such as photovoltaics, energy storage, and electric vehicles [2] - The company has developed unique technologies like the iDivider technology, which offers advantages over traditional isolation technologies in terms of power consumption, speed, and noise [2] Group 3: Market Focus and Growth - Rongpai Semiconductor has received several accolades, including being recognized as a "specialized, refined, distinctive, and innovative" enterprise in Shanghai and a national-level "specialized and innovative" small giant [3] - The company reported a 40% year-on-year increase in shipment volume in Q1 2025 and aims to deepen its focus on high-barrier markets such as energy and automotive electronics [3] Group 4: Industry Insights - Mergers and acquisitions are seen as a key strategy for growth in the analog chip industry, as single companies struggle to establish comprehensive competitiveness in a long-tail product market [4] - The acquisition is expected to create strong synergies between DiAo Micro and Rongpai Semiconductor in terms of product categories, technology, market resources, and supply chain integration [4]

Core Viewpoint - The company, DiAo Micro, announced a share buyback program, having repurchased a total of 6,100,000 shares, which represents 2.46% of its total share capital of 247,500,000 shares as of September 30, 2025 [2] Summary by Category - **Share Buyback Details** - DiAo Micro has repurchased 6,100,000 shares through centralized bidding [2] - This repurchase accounts for 2.46% of the company's total share capital [2] - The total share capital of the company is 247,500,000 shares [2] - **Timeline** - The share buyback program is set to continue until September 30, 2025 [2]

Core Viewpoint - The company, DiAo Micro (688381.SH), has announced a share buyback program, indicating a commitment to returning value to shareholders through capital management strategies [1] Group 1: Share Buyback Details - As of September 30, 2025, the company has repurchased a total of 6.1 million shares, which represents 2.46% of its total share capital [1] - The highest price paid for the repurchased shares was 29.34 CNY per share, while the lowest price was 16.96 CNY per share [1] - The total amount spent on the share buyback reached 124 million CNY, excluding transaction fees such as stamp duty and commissions [1]

Group 1 - Company DiAo Micro (SH 688381) announced on October 9 that as of September 30, 2025, it has repurchased a total of 6.1 million shares through centralized bidding, accounting for approximately 2.46% of the total share capital of about 248 million shares, with a total expenditure of approximately RMB 124 million [1] - The highest repurchase price was RMB 29.34 per share, while the lowest was RMB 16.96 per share [1] - As of the report date, DiAo Micro's market capitalization is RMB 7 billion [3] Group 2 - For the fiscal year 2024, DiAo Micro's revenue composition is entirely from integrated circuits, accounting for 100% [2]

公司于 2024 年 12 月 2 日召开了第二届董事会第十一次会议，审议通过了《关 于以集中竞价交易方式回购公司股份方案的议案》，同意公司使用 10,000 万元至 20,000 万元的自有资金及股票回购专项贷款以集中竞价交易方式回购公司股份， 回购价格不超过 41.68 元/股（含），主要用于员工持股计划或股权激励计划，回 购期限为自公司董事会审议通过本次回购股份方案之日起 12 个月内。具体详见公 司 于 2024 年 12 月 4 日 和 2024 年 12 月 12 日 在 上 海 证 券 交 易 所 网 站 （www.sse.com.cn）披露的《关于以集中竞价交易方式回购公司股份方案的公告》、 《关于以集中竞价交易方式回购股份的回购报告书》。 二、回购股份的进展情况 证券代码：688381 证券简称：帝奥微 公告编号：2025-054 江苏帝奥微电子股份有限公司 关于以集中竞价交易方式回购公司股份的进展公告 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、准确性和完整性承担法律责任。 重要内容提示： | 回购方案首次披露日 | 2024/12 ...

Core Viewpoint - The acquisition proposal by DiAo Micro (688381.SH) is fundamentally a strategic move to secure technology positioning in the semiconductor industry, aiming to enhance its product matrix and market competitiveness through the acquisition of Rongpai Semiconductor [1][4]. Group 1: Acquisition Details - DiAo Micro has signed a letter of intent to acquire shares from Rongpai Semiconductor's major shareholder, Dong Zhiwei, through a combination of "share issuance + cash payment" [1]. - Dong Zhiwei holds a 54.31% stake in Rongpai Semiconductor, which, if the transaction is completed, will make Rongpai a subsidiary of DiAo Micro [1]. - The transaction's financial terms, including the amount and share issuance ratio, have not yet been disclosed, but the valuation could reach several billion, considering the semiconductor industry's average acquisition valuation in 2025 [1][4]. Group 2: Market Context and Strategic Rationale - The Chinese analog chip market is projected to reach 317.58 billion in 2024, with over 80% of the market share held by foreign companies, particularly in high-end fields like isolation chips [4]. - Rongpai Semiconductor is recognized as the first domestic company to break through digital isolator technology, which significantly enhances its competitive edge in the market [4][8]. - The acquisition is seen as a necessary step for DiAo Micro to bridge the gap in automotive electronics, where its current market share is significantly lower compared to leading competitors [2][4]. Group 3: Growth Potential and Future Outlook - The isolation chip sector is expected to grow over 20% due to the rising demand from electric vehicles and energy storage [5]. - DiAo Micro's potential for profit growth post-acquisition is supported by the success of similar mergers, such as Changchuan Technology, which saw a ninefold increase in net profit after its acquisition [5]. - The acquisition aligns with national policies supporting semiconductor companies in strengthening their supply chains, indicating a favorable regulatory environment for such transactions [5]. Group 4: Company Profiles - DiAo Micro specializes in high-performance analog chip design, focusing on power management and signal chain chips, with a revenue of 306 million in the first half of 2025, reflecting a 15.11% year-on-year increase [7]. - Rongpai Semiconductor, established in 2017, focuses on high-performance analog chip design, including digital isolators and drivers, and has achieved significant breakthroughs in the isolation chip sector with its proprietary iDivider technology [8].