2025 年 9 月 5 日，公司收到海光信息技术股份有限公司发来的《关于要约 收购曙光数据基础设施创新技术（北京）股份有限公司进展情况的函》，现将函 件内容公告如下： "致曙光数据基础设施创新技术（北京）股份有限公司： 2025 年 6 月 6 日，海光信息技术股份有限公司（以下简称"海光信息"）与曙 光信息产业股份有限公司（以下简称"中科曙光"）签署《换股吸收合并协议》， 海光信息拟以向中科曙光全体换股股东发行 A 股股票的方式换股吸收合并中科 曙光。海光信息为合并方，中科曙光为被合并方，即海光信息向中科曙光的全 体换股股东发行 A 股股票，交换该等股东所持有的中科曙光股票。本次换股吸 收合并完成后，中科曙光将终止上市，海光信息将承继及承接中科曙光的全部 资产、负债、业务、人员、合同及其他一切权利与义务。 证券代码：872808 证券简称：曙光数创 公告编号：2025-081 曙光数据基础设施创新技术（北京）股份有限公司 关于要约收购事项的进展公告 本公司及董事会全体成员保证公告内容的真实、准确和完整，没有虚假记 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个 别及连带法律责任。 根 ...

Market Overview - The computer equipment sector experienced a decline of 2.65% on September 3, with Xuanji Information leading the drop [1] - The Shanghai Composite Index closed at 3813.56, down 1.16%, while the Shenzhen Component Index closed at 12472.0, down 0.65% [1] Stock Performance - Key stocks in the computer equipment sector showed varied performance, with Kaiwang Technology rising by 6.45% to a closing price of 39.76 [1] - Other notable performers included Shuguang Digital Innovation, which increased by 2.18% to 84.90, and Allianz Ruishi, which rose by 2.11% to 40.70 [1] - Conversely, stocks like Tangyuan Electric and ST Yingfeitou saw declines of 0.45% and 0.00%, respectively [1] Capital Flow - The computer equipment sector saw a net outflow of 2.753 billion yuan from main funds, while retail investors contributed a net inflow of 2.553 billion yuan [3] - Speculative funds recorded a net inflow of 200 million yuan into the sector [3]

Summary of Key Points Core Viewpoint - As of August 29, the total margin financing and securities lending balance on the Beijing Stock Exchange (BSE) was 7.372 billion yuan, showing a decrease of 13.6454 million yuan from the previous trading day, marking a continuous decline for two consecutive trading days [1]. Group 1: Margin Financing and Securities Lending - The margin financing balance was 7.371 billion yuan, down by 13.6872 million yuan from the previous trading day [1]. - The securities lending balance increased to 47.38 million yuan, up by 41,800 yuan from the previous trading day [1]. - The stocks with the highest margin financing balances included Jinbo Biological, Shuguang Digital Innovation, and Aifeng Software, with balances of 332 million yuan, 257 million yuan, and 182 million yuan respectively [1]. Group 2: Net Buying and Selling - On August 29, 95 stocks had net margin purchases, with 10 stocks having net purchases exceeding 5 million yuan [2]. - Shuguang Digital Innovation led with a net purchase of 35.7467 million yuan, followed by Better Energy and Keda Control with net purchases of 13.1971 million yuan and 9.8602 million yuan respectively [2]. - The stocks with the highest net margin sales included Minshida, Nuo Si Lan De, and Kang Bi Te, with net sales of 8.4796 million yuan, 7.9776 million yuan, and 6.9634 million yuan respectively [1]. Group 3: Industry Performance - The industries with the most stocks receiving net purchases over 5 million yuan were computer, electronics, and power equipment, with 3, 2, and 2 stocks respectively [2]. - The average increase for stocks with net purchases over 5 million yuan was 1.99%, with Keda Control, Better Energy, and Tianming Technology showing increases of 14.94%, 13.58%, and 3.08% respectively [2]. - The average turnover rate for these stocks was 5.34%, with Keda Control, Gebijia, and Yada Shares having turnover rates of 20.50%, 10.01%, and 8.23% respectively [2].

Core Insights - The North Exchange 50 index increased by 1.28% to close at 1574.25 points on August 29, 2025, with a trading volume of 12.96 billion shares and a total market capitalization of 907.98 billion yuan [3][4][5] - The overall trading volume on the North Exchange was 32.295 billion yuan, which is a decrease compared to the average daily trading volume of 41.701 billion yuan from the previous week [4][5] - The sectors that performed well included Beauty Care (+3.7%), Defense and Military Industry (+3.0%), Power Equipment (+2.4%), and Building Materials (+1.5%), while sectors that declined included Communication (-3.0%), Environmental Protection (-2.1%), Electronics (-1.8%), and Media (-1.1%) [4][5] Company Performance - Among the 274 listed companies on the North Exchange, 148 saw their stock prices rise, 4 remained flat, and 122 experienced declines [4] - The top gainers included Rongyi Precision (+29.95%), Derui Lithium Battery (+19.11%), and Jiezong Technology (+16.53%) [4][9] - The top decliners were Shuguang Shuchuang (-8.87%), Zhixin Electronics (-7.34%), and AVIC Taida (-7.29%) [4][10] Valuation Metrics - The overall valuation of the North Exchange is at a price-to-earnings (P/E) ratio of 53.88 times, which is higher than the P/E ratios of the Sci-Tech Innovation Board (69.26 times) and the Growth Enterprise Market (42.90 times) [4][13] - The highest average P/E ratio among sectors on the North Exchange is in the Computer sector at 193.6 times, followed by Light Industry Manufacturing (122.4 times) and Social Services (83.7 times) [4][13]

本次会议为 2025 年第一次临时股东会。 （二）召集人 本次股东会的召集人为董事会。 证券代码：872808 证券简称：曙光数创 公告编号：2025-080 曙光数据基础设施创新技术（北京）股份有限公司 关于召开 2025 年第一次临时股东会通知公告（提供网络投票） 本公司及董事会全体成员保证公告内容的真实、准确和完整，没有虚假记载、 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个别及连 带法律责任。 一、会议召开基本情况 （一）股东会届次 （三）会议召开的合法合规性 本次股东会的召集程序符合有关法律、行政法规、部门规章、规范性文件和 《公司章程》的相关规定。本次会议召开不需要相关部门的批准或履行其他必要 的程序。 （四）会议召开方式 本次会议采用现场投票和网络投票相结合方式召开。 公司同一股东只能选择现场投票或网络投票中的一种方式，如果同一表决 权出现重复投票表决的，以第一次投票表决结果为准。 （五）会议召开日期和时间 1、现场会议召开时间：2025 年 9 月 15 日 14:30。 2、网络投票起止时间：2025 年 9 月 14 日 15:00—2025 年 9 月 15 日 15 ...

证券代码：872808 证券简称：曙光数创 公告编号：2025-048 曙光数据基础设施创新技术（北京）股份有限公司 第三届监事会第十三次会议决议公告 本公司及监事会全体成员保证公告内容的真实、准确和完整，没有虚假记载、 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个别及连 带法律责任。 1.会议召开时间：2025 年 8 月 27 日 2.会议召开地点：公司会议室 3.会议召开方式：现场方式 4.发出监事会会议通知的时间和方式：2025 年 8 月 15 日以书面方式发出 5.会议主持人：李可 6.召开情况合法、合规、合章程性说明： 本次会议的召开符合《公司法》及《公司章程》的有关规定。 （二）会议出席情况 会议应出席监事 3 人，出席和授权出席监事 3 人。 一、会议召开和出席情况 （一）会议召开情况 二、议案审议情况 （一）审议通过《关于公司 2025 年半年度报告及摘要》的议案 1.议案内容： 公司已经编制完成 2025 年半年度报告及其摘要，具体内容详见公司在北京 证券交易所官方披露平台（www.bse.cn）披露的《2025 年半年度报告》（公告编号： 2025-045）及《20 ...

证券代码：872808 证券简称：曙光数创 公告编号：2025-047 曙光数据基础设施创新技术（北京）股份有限公司 本公司及董事会全体成员保证公告内容的真实、准确和完整，没有虚假记载、 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个别及连 带法律责任。 一、会议召开和出席情况 （一）会议召开情况 1.会议召开时间：2025 年 8 月 27 日 第四届董事会第十三次会议决议公告 2.会议召开地点：公司会议室 3.会议召开方式：现场方式 4.发出董事会会议通知的时间和方式：2025 年 8 月 15 日以书面方式发出 5.会议主持人：任京暘 6.会议列席人员：公司监事、高级管理人员 （一）审议通过《关于公司 2025 年半年度报告及摘要》的议案 1.议案内容： 公司已经编制完成 2025 年半年度报告及其摘要，具体内容详见公司在北京 证券交易所官方披露平台（www.bse.cn）披露的《2025 年半年度报告》（公告编号： 2025-045）及《2025 年半年度报告摘要》（公告编号：2025-046）。 2.议案表决结果：同意 7 票；反对 0 票；弃权 0 票。 本议案已经公司第四届董事 ...

Core Insights - As of August 27, the total margin financing and securities lending balance on the Beijing Stock Exchange reached 7.473 billion yuan, an increase of 93.49 million yuan from the previous trading day, marking three consecutive days of increase [1] - The top three stocks by margin financing balance are Jinbo Biological, Shuguang Digital Innovation, and Airun Software, with balances of 332 million yuan, 229 million yuan, and 179 million yuan respectively [1] - A total of 152 stocks had net margin purchases on August 27, with 14 stocks having net purchases exceeding 5 million yuan, led by Shuguang Digital Innovation with a net purchase of 16.27 million yuan [1][2] Margin Financing Overview - The margin financing balance increased by 93.37 million yuan to 7.472 billion yuan, while the securities lending balance rose by 125,400 yuan to 59,390 yuan [1] - The average margin financing balance as a percentage of market capitalization for the stocks with the highest balances is 1.33%, with Minshida, Wanyuantong, and Dezhong Automobile leading at 4.57%, 4.02%, and 3.79% respectively [1][2] Industry Performance - The industries with the highest concentration of stocks with net margin purchases over 5 million yuan include power equipment, automotive, and computer sectors, with 4, 3, and 3 stocks respectively [2] - On average, stocks with net margin purchases over 5 million yuan saw a decline of 2.69%, with the top gainers being Wantong Hydraulic, Shuguang Digital Innovation, and Suzhou Axle, which increased by 4.42%, 0.87%, and 0.36% respectively [2] Stock Activity - The weighted average turnover rate for stocks with net margin purchases over 5 million yuan was 4.27%, with the highest turnover rates recorded for Nengzhiguang, Hengtou Kaiyuan, and Wantong Hydraulic at 35.12%, 12.94%, and 12.65% respectively [2] - The average daily turnover rate for stocks on the Beijing Stock Exchange was 5.45% on August 27 [2] Notable Stocks - Stocks with the largest increases in margin financing on August 27 include Shuguang Digital Innovation (increase of 16.27 million yuan), Juxing Technology (increase of 8.28 million yuan), and Hengtou Kaiyuan (increase of 7.93 million yuan) [3][4] - Stocks with significant net margin sales included Dingzhi Technology, Wuxin Tunnel Equipment, and Kaitex, with net sales of 11.33 million yuan, 8.29 million yuan, and 5.35 million yuan respectively [1]

证券代码：872808 证券简称：曙光数创 公告编号：2025-070 第一条 为了建立防止控股股东、实际控制人及其关联方占用曙光数据基础 设施创新技术（北京）股份有限公司（以下简称"公司"）资金的长效机制，杜绝 控股股东、实际控制人及其关联方资金占用行为的发生，现依据《中华人民共和 国公司法》(以下简称《公司法》 " ")《北京证券交易所股票上市规则》（以下简称《上" 市规则》"）等法律、行政法规、规范性文件及《曙光数据基础设施创新技术（北 京）股份有限公司章程》(以下简称"《公司章程》")的有关规定,结合公司的实际 情况，制定本制度。 第二条 公司董事、高级管理人员对维护公司资金安全有法定义务。 第三条 资金占用包括但不限于经营性资金占用和非经营性资金占用。 曙光数据基础设施创新技术（北京）股份有限公司 防范控股股东、实际控制人及其关联方占用公司资金 管理制度 本公司及董事会全体成员保证公告内容的真实、准确和完整，没有虚假记载、 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个别及连 带法律责任。 一、 审议及表决情况 公司于 2025 年 8 月 27 日召开第四届董事会第十三次会议，审 ...

曙光数据基础设施创新技术（北京）股份有限公司 董事会秘书工作制度 本公司及董事会全体成员保证公告内容的真实、准确和完整，没有虚假记载、 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个别及连 带法律责任。 一、 审议及表决情况 公司于 2025 年 8 月 27 日召开第四届董事会第十三次会议，审议通过《关于 修订<董事会秘书工作制度>的议案》，本议案无需提交股东会审议。 证券代码：872808 证券简称：曙光数创 公告编号：2025-059 二、 分章节列示制度主要内容： 曙光数据基础设施创新技术（北京）股份有限公司 董事会秘书工作制度 第一章 总则 第一条 为明确曙光数据基础设施创新技术（北京）股份有限公司（以下简 称"公司"）董事会秘书的职责权限，规范董事会秘书的行为，根据《中华人民共 和国公司法》(以下简称"《公司法》")、《中华人民共和国证券法》《北京证券交易 所上市公司持续监管办法(试行)》(以下简称"《监管办法》")、《北京证券交易所 股票上市规则》(以下简称"《上市规则》")等法律法规和《曙光数据基础设施创新 技术（北京）股份有限公司章程》（以下简称"《公司章程》"），特制定本 ...