Core Viewpoint - Yandong Microelectronics (688172.SH) announced that its major shareholder, Yizhuang Guotou, plans to reduce its stake in the company due to operational management needs, with a maximum reduction of 14.2762 million shares, representing up to 1% of the total share capital [1] Summary by Relevant Sections - Shareholder Reduction Plan - Yizhuang Guotou, holding over 5% of shares, intends to reduce its holdings through centralized bidding or block trading [1] - The reduction will occur within three months following the disclosure of the reduction plan, starting 15 trading days after the announcement [1] - Shareholding Impact - The planned reduction amounts to a maximum of 14.2762 million shares, which is capped at 1% of the company's total share capital [1]

Core Viewpoint - Yandong Microelectronics (688172.SH) announced that its major shareholder, Yizhuang Guotou, plans to reduce its stake in the company due to operational management needs, with a maximum reduction of 14.2762 million shares, representing up to 1% of the total share capital [1] Group 1 - The reduction will be executed through centralized bidding or block trading methods [1] - The share reduction will occur within three months after the disclosure of the reduction plan, starting 15 trading days from the announcement date [1] - Yizhuang Guotou holds more than 5% of the company's shares [1]

证券代码：688172 证券简称：燕东微 公告编号：2025-070 持股 5%以上股东减持股份计划公告 本公司董事会、全体董事及相关股东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： 大股东持有股份的基本情况 截至本公告日，公司持股 5%以上股东北京亦庄国际投资发展有限公司（以 下简称"亦庄国投"）持有北京燕东微电子股份有限公司（以下简称"公司""燕 东微"）168,912,889 股股票，占公司总股本的 11.83%。上述股份来源为公司首次 公开发行股票并上市前取得。 减持计划的主要内容 公司 5%以上股东亦庄国投因自身经营管理需要，本次拟通过集中竞价或大 宗交易的方式减持，将于本减持计划披露之日起 15 个交易日之后的三个月内减 持公司股份不超过 14,276,180 股，本次拟通过集中竞价或大宗交易方式减持股份 不超过公司总股本比例 1%。 北京燕东微电子股份有限公司 减持价格将按照减持实施时的市场价格确定，若减持期间公司有送股、资本 公积金转增股本、增发新股等股份变动事项，减持股份数量进行相应调整。 公司近日收到股东 ...

燕东微公告，公司持股5%以上股东北京亦庄国际投资发展有限公司目前持有1.69亿股，占11.83%，计 划自2025年9月24日至2025年12月24日，通过集中竞价或大宗交易方式减持不超过1427.62万股，减持比 例不超过1%，上述股份均为IPO前取得。 ...

格隆汇9月2日丨燕东微(688172.SH)公布，公司5%以上股东亦庄国投因自身经营管理需要，本次拟通过 集中竞价或大宗交易的方式减持，将于本减持计划披露之日起15个交易日之后的三个月内减持公司股份 不超过1427.62万股，本次拟通过集中竞价或大宗交易方式减持股份不超过公司总股本比例1%。减持价 格将按照减持实施时的市场价格确定。 ...

人民财讯9月2日电，燕东微(688172)9月2日晚间公告，公司持股11.83%的股东北京亦庄国际投资发展有 限公司(简称"亦庄国投")拟15个交易日之后的3个月内，通过集中竞价或大宗交易方式，减持公司股份 不超过1427.62万股(占公司总股本的1%)。 ...

证券日报网讯9月1日晚间，燕东微发布公告称，2025年8月份，公司未回购股份。截至2025年8月31日， 公司通过上海证券交易所交易系统以集中竞价交易方式累计回购公司股份2，629，186股，占公司总股 本的比例为0.1841%。 ...

一、回购股份的基本情况 2024 年 9 月 19 日，北京燕东微电子股份有限公司（以下简称"公司"或"燕 东微"）召开了第二届董事会第四次会议，审议通过了《关于审议以集中竞价交易 方式回购公司股份方案的议案》，同意公司使用自有资金以集中竞价交易方式回购 公司股份，回购资金总额不低于人民币 4,000.00 万元，不超过人民币 8,000.00 万 元，回购价格不超过 20.07 元/股，回购期限自董事会审议通过最终股份回购方案 之日起不超过 12 个月。具体内容详见公司于 2024 年 9 月 20 日在上海证券交易所 网站（www.sse.com.cn）披露的《关于以集中竞价方式回购股份的预案》（公告编 号：2024-037）以及公司于 2024 年 9 月 30 日披露的《关于以集中竞价交易方式回 购股份的回购报告书》（公告编号：2024-045）。 二、回购股份的进展情况 证券代码：688172 证券简称：燕东微 公告编号：2025-069 北京燕东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 ...

格隆汇9月1日丨燕东微(688172.SH)公布，截至2025年8月31日，公司通过上海证券交易所交易系统以集 中竞价交易方式累计回购公司股份262.92万股，占公司总股本的比例为0.1841%，回购成交的最高价为 20.00元/股，最低价为15.67元/股，支付的资金总额为人民币4996.68万元（不含交易佣金等交易费 用）。 ...

Core Viewpoint - Beijing Yandong Microelectronics Co., Ltd. reported a revenue of approximately 658.94 million yuan for the first half of 2025, marking a 6.85% increase compared to the same period last year, and achieved a net profit of approximately 127.61 million yuan, reversing a loss from the previous year [4][11]. Company Overview - The company specializes in the design, production, and sales of discrete devices and analog integrated circuits, as well as providing open wafer manufacturing and packaging testing services, positioning itself within the semiconductor industry [8][11]. - The company operates under an Integrated Device Manufacturer (IDM) model, integrating chip design, wafer manufacturing, and packaging testing to offer complete products and solutions [10][11]. Financial Performance - The total assets of the company reached approximately 24.86 billion yuan, reflecting a 3.34% increase from the beginning of the year, while the net assets attributable to shareholders increased by 0.62% to approximately 14.77 billion yuan [4][11]. - Research and development expenses surged by 221.21% to approximately 364.01 million yuan, indicating a strong commitment to innovation and technology advancement [11][12]. Industry Context - The global integrated circuit market is projected to grow from $276.7 billion in 2016 to $539.5 billion by 2024, with an annual compound growth rate of 8.70% [6]. - The semiconductor industry in China is expected to reach a scale of approximately 1.7 trillion yuan in 2025, representing an 18% year-on-year growth [9]. - The demand for silicon photonics is anticipated to grow significantly, with the market expected to expand from $68 million in 2022 to $613 million by 2028, reflecting a compound annual growth rate (CAGR) of 44% [9][10]. Business Development - The company is advancing its 28nm 12-inch integrated circuit production line project and has made significant progress in technology development across multiple process routes [11][12]. - The manufacturing and service segment generated approximately 333.03 million yuan in revenue, a year-on-year increase of 18.69%, driven by improved operational efficiency and product development [11][12]. Competitive Advantages - The company has established a comprehensive industrial structure integrating design, manufacturing, and testing, which enhances its cost advantages and supports future expansion [12]. - A strong focus on R&D has led to breakthroughs in silicon photonics technology, positioning the company favorably in the market [12].