Financial Performance - The company's revenue for Q1 2025 was ¥627,360,845.04, representing a 23.19% increase compared to ¥509,260,052.18 in the same period last year[4] - Net profit attributable to shareholders was ¥95,561,157.05, up 16.38% from ¥82,110,494.79 year-on-year[4] - Basic earnings per share rose to ¥0.17, reflecting a 13.33% increase from ¥0.15 in the same period last year[4] - Operating profit for the current period was ¥145,897,780.18, compared to ¥122,016,546.68 in the previous period, indicating a growth in profitability[28] - The net profit for the current period is 129,499,938.97, an increase of 24.2% compared to 104,280,892.92 in the previous period[29] - The total comprehensive income attributable to the parent company is 95,119,828.07, compared to 82,018,243.00 in the previous period, reflecting a growth of 15.9%[29] Cash Flow - The net cash flow from operating activities reached ¥164,953,110.93, a significant increase of 869.17% compared to -¥21,445,730.85 in the previous year[4] - The net cash flow from operating activities is 164,953,110.93, a significant improvement from a negative cash flow of -21,445,730.85 in the previous period[31] - The net cash flow from investing activities was -¥98,586,530.34, a decrease of 473.03% compared to ¥26,428,392.24 in the previous year[13] - The net cash flow from investing activities is -98,586,530.34, a decline from a positive cash flow of 26,428,392.24 in the previous period[32] - Total cash inflow from investment activities is 1,052,601,007.80, significantly higher than 120,020,334.57 in the previous period[32] Assets and Liabilities - Total assets at the end of the reporting period were ¥6,463,839,544.41, a slight decrease of 0.40% from ¥6,489,990,515.41 at the end of the previous year[5] - Total current assets rose to ¥3,992,219,750.20 from ¥3,961,156,078.41, showing a slight increase in liquidity[23] - Total non-current assets decreased to ¥2,471,619,794.21 from ¥2,528,834,437.00, indicating a reduction in long-term asset holdings[24] - Total liabilities increased to ¥2,554,495,822.98 from ¥2,492,879,639.94, suggesting a rise in financial obligations[25] - Total equity decreased to ¥3,909,343,721.43 from ¥3,997,110,875.47, reflecting a decline in shareholder value[25] Shareholder Information - Total number of common shareholders at the end of the reporting period is 98,264[15] - The top shareholder, Shen Jie, holds 9.75% of shares, totaling 56,136,136 shares[15] - The total number of shares held by the top two shareholders, Shen Jie and Beijing Hongyu Rongji Venture Capital Center, is 67,410,451 shares, representing 11.70% of the total shares[16] - Zhang Xingguo holds 6.23% of shares, with a total of 35,906,520 shares, of which 26,929,890 shares are under lock-up[15] - The company has a total of 28,838,186 shares under lock-up, primarily due to executive lock-up agreements[18] Investment and Projects - The company plans to acquire a 16.5398% stake in Quanjiao Nanda Optoelectronic Materials Co., Ltd. for a cash consideration of RMB 229.80 million[19] - The company will terminate the "Hexafluorobutadiene Industrialization Project" and sell related assets to optimize resource allocation, with a transaction value of RMB 69.03 million[20] Operational Efficiency - The company aims to enhance operational efficiency by focusing on its core business[20] - The company experienced a 35.35% increase in operating costs, totaling ¥371,055,942.51, due to increased product sales and accelerated depreciation[12] - Total operating costs increased to ¥491,087,535.35 from ¥410,778,660.85, with operating costs specifically rising from ¥274,137,334.32 to ¥371,055,942.51[28] Other Financial Metrics - The weighted average return on equity decreased to 2.80%, down 0.83% from 3.63% in the previous year, primarily due to the increase in net assets from the conversion of "Nandian Convertible Bonds"[5] - The company reported a significant increase in investment income, which reached ¥21,552,227.38, a 677.51% increase from ¥2,771,967.68 in the previous year[12] - Research and development expenses decreased to ¥41,103,053.02 from ¥51,547,183.53, indicating a potential shift in focus or cost management[28] - The company has not disclosed any related party transactions among other shareholders[16] - The company has no preferred shareholders or related transactions to report[17] - The company has not undergone an audit for the first quarter report[34]

Group 1 - The semiconductor materials ETF (562590) has shown a recent increase of 0.18%, with a latest price of 1.09 yuan, and a cumulative increase of 1.30% over the past two weeks [3][4] - The trading volume for the semiconductor materials ETF was 841.55 million yuan, with a turnover rate of 2.7% [3] - Over the past year, the semiconductor materials ETF has seen a significant growth in scale by 271 million yuan and an increase in shares by 238 million [3] Group 2 - As of April 24, 2025, the net value of the semiconductor materials ETF has increased by 30.20%, ranking it in the top 10.67% among index equity funds [4] - The highest monthly return since inception for the semiconductor materials ETF was 20.35%, with an average monthly return of 10.90% and a historical one-year profit probability of 97.01% [4] - The global semiconductor market is projected to reach a sales figure of 687.4 billion USD in 2025, reflecting a year-on-year growth of 12.5% [4] Group 3 - The top ten weighted stocks in the semiconductor materials index (931743) account for 60.82% of the index, with North Huachuang (002371) having the highest weight at 16.44% [5][7] - Other significant stocks include Zhongwei Company (688012) at 13.55% and Hushi Silicon Industry (688126) at 5.61% [5][7] - The overall performance of these stocks varies, with some showing positive growth while others have slight declines [7]

证券代码：300346 证券简称：南大光电 公告编号：2025-034 江苏南大光电材料股份有限公司 没有虚假记载、误导性陈述或重大遗漏。 特别提示： 1、本次股东大会无否决议案的情况； 2、本次股东大会无涉及变更以往股东大会决议的情形； 3、本次股东大会采取现场投票和网络投票相结合的方式召开。 一、会议召开和出席情况 1、召集人：公司董事会； 2、表决方式：现场投票和网络投票相结合的方式； 3、会议召开时间： 2024年度股东大会决议公告 本公司及董事会全体成员保证信息披露的内容真实、准确、完整， 现场会议时间：2025 年 4 月 24 日（星期四）14:30 网络投票时间：2025 年 4 月 24 日（星期四） （1）通过深圳证券交易所交易系统进行网络投票的具体时间为 2025 年 4 月 24 日 9:15-9:25、9:30-11:30、13:00-15:00； （2）通过深圳证券交易所互联网投票系统投票的具体时间为 2025 年 4 月 24 日上 午 9:15 至下午 15:00 期间的任意时间。 4、现场会议召开地点：苏州工业园区胜浦平胜路 67 号； 5、现场会议主持人：公司董事长冯剑松先 ...

北京市东城区建国门内大街 26 号新闻大厦 7 层、8 层 电话：010-88004488/66090088 传真：010-66090016 邮编：100005 北京国枫律师事务所 关于江苏南大光电材料股份有限公司 2024 年度股东大会的 法律意见书 国枫律股字[2025]A0132 号 致：江苏南大光电材料股份有限公司（贵公司） 北京国枫律师事务所（以下简称"本所"）接受贵公司的委托，指派律师出席并见证 贵公司 2024 年度股东大会（以下简称"本次会议"）。 本所律师根据《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》（以下简称"《证券法》"）、《上市公司股东会规则》（以下简称"《股 东会规则》"）、《律师事务所从事证券法律业务管理办法》（以下简称"《证券法律业务管 理办法》"）、《律师事务所证券法律业务执业规则（试行）》（以下简称"《证券法律业务执 业规则》"）等相关法律、行政法规、规章、规范性文件及《江苏南大光电材料股份有限 公司章程》（以下简称"《公司章程》"）的规定，就本次会议的召集与召开程序、召集人 资格、出席会议人员资格、会议表决程序及表决结果等事宜，出具本法律 ...

（此页无正文，为《中信建投证券股份有限公司关于江苏南大光电材料股份有限 公司 2024 年持续督导定期现场检查报告》之签字盖章页） 深交所上市公司定期现场检查报告 | 保荐机构名称：中信建投证券股份有限公司 | 被保荐公司简称：南大光电 | | | | --- | --- | --- | --- | | 保荐代表人姓名：安源 联系电话：021-68801585 | | | | | 保荐代表人姓名：秦龙 联系电话：021-68801585 | | | | | 现场检查人员姓名：安源 | | | | | 现场检查对应期间：2024 年 1 月 1 日-2024 年 12 月 31 日 | | | | | 现场检查时间：2025 年 4 月 3 日 | | | | | 一、现场检查事项 | | 现场检查意见 | | | （一）公司治理 | 是 | 否 | 不适用 | | 现场检查手段：审阅公司章程等治理文件，检查三会会议资料，审阅披露信息， | | | | | 对有关人员进行访谈等。 | | | | | 1.公司章程和公司治理制度是否完备、合规 | √ | | | | 2.公司章程和三会规则是否得到有效执行 | √ ...

中信建投证券股份有限公司 关于江苏南大光电材料股份有限公司 向不特定对象发行可转换公司债券之保荐总结报告书 中信建投证券股份有限公司（下称"中信建投证券"、"保荐人"或"本机构"） 作为江苏南大光电材料股份有限公司（以下简称"南大光电"、"发行人"、"上市 公司"或"公司"）2022 年向不特定对象发行可转换公司债券的保荐人，持续督 导期限截至 2024 年 12 月 31 日。目前，本次向特定对象发行股票的持续督导期 已经届满，中信建投证券根据《证券发行上市保荐业务管理办法》《深圳证券交 易所上市公司自律监管指引第 13 号——保荐业务》等相关法律法规和规范性文 件的要求，出具本保荐总结报告书。 一、保荐人及保荐代表人承诺 1、保荐总结报告书和证明文件及其相关资料的内容不存在虚假记载、误导 性陈述或重大遗漏，保荐机构及保荐代表人对其真实性、准确性、完整性承担法 律责任。 2、本机构及本人自愿接受中国证监会对保荐总结报告书相关事项进行的任 何质询和调查。 3、本机构及本人自愿接受中国证监会按照《证券发行上市保荐业务管理办 法》的有关规定采取的监管措施。 | 保荐人名称 | 中信建投证券股份有限公司 | | - ...

| | 补充流动资金； | | | | | | | | | | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | | 2、公司 2022 年公开发行可转债部分 | | | | | | | | | | | | | 募投项目（乌兰察布南大微电子材料 | | | | | | | | | | | | | 有限公司年产 电子级三氟化氮 7200T | | | | | | | | | | | | | 项目）延期 | | | | | | | | | | | | （3）关注事项的进展或者整改情况 | 1、公司于 2024 年 4 月 8 日召开第八 | | | | | | | | | | | | | 届董事会第二十九次会议、第八届监 | | | | | | | | | | | | | 事会第二十七次会议，于 2024 年 5 | | | | | | | | | | 月 | | | 日召开 2023 年度股东大会，审议通 | 7 | | | | | | | | | | | | 过了《关于部分募投项目结项并将节 | | | ...

Group 1 - The core viewpoint of the news highlights the performance of the semiconductor sector, particularly the rise of the SMIC concept stock, which increased by 3.86%, ranking fifth among concept sectors [1] - In the semiconductor sector, 66 stocks rose, with notable performers including Kaide Quartz, Jianghua Micro, and Hualing Co., which reached their daily limit up [1][2] - The automotive chip concept led the market with a 6.04% increase, while genetically modified stocks saw a decline of 5.96% [2] Group 2 - The SMIC concept sector attracted a net inflow of 1.53 billion yuan, with 45 stocks receiving net inflows, and six stocks exceeding 100 million yuan in net inflows [2] - SMIC itself saw a net inflow of 253 million yuan, leading the sector, followed by Weir Shares and Allwinner Technology with net inflows of 236 million yuan and 171 million yuan, respectively [2][3] - Jianghua Micro, Zhongke Feicai, and Chip Union Integration had the highest net inflow ratios at 19.74%, 17.84%, and 12.25% respectively [3] Group 3 - The trading volume and turnover rates for various stocks in the SMIC concept were highlighted, with Jianghua Micro showing a turnover rate of 10.72% and a significant net inflow [3][4] - Other notable stocks included Weir Shares with a turnover rate of 2.06% and a net inflow ratio of 7.39%, and Allwinner Technology with a turnover rate of 13.99% and a net inflow ratio of 4.85% [3][4] - The overall market sentiment in the semiconductor sector appears positive, with several stocks experiencing significant gains and attracting substantial capital inflows [1][2][3]

Group 1: Company Performance - In 2024, the company achieved a revenue of 2,351.89 million CNY, representing a year-on-year growth of 38.08% [3] - The net profit attributable to shareholders reached 270.98 million CNY, up 28.15% year-on-year [3] - The net profit excluding non-recurring items was 192.84 million CNY, showing a significant increase of 53.19% [3] - The net cash flow from operating activities improved from 528 million CNY to 627 million CNY [3] Group 2: Market Position and Product Development - The semiconductor materials business accounted for 82% of total revenue, although the overall gross margin decreased by 3.2% year-on-year [2] - The company’s ArF photoresist revenue surpassed 10 million CNY in 2024, with several products undergoing customer validation [2][4] - The company has three ArF photoresist products certified and sold, with multiple products currently in customer validation [4] Group 3: Research and Development - In 2024, R&D investment reached 213.05 million CNY, constituting 9.06% of total revenue [10] - The company focuses on advanced precursor materials, electronic specialty gases, and photoresists, with a strategy to enhance product innovation and market competitiveness [11] - The company plans to maintain high R&D investment to support technological advancements and product development [11] Group 4: Market Outlook and Industry Trends - The global semiconductor materials market is projected to reach 74 billion USD in 2024, with a year-on-year growth of 10.89% [9][10] - By 2027, the market size is expected to exceed 87 billion USD, indicating a stable growth pattern [10] - The electronic specialty gas market is anticipated to grow from 5 billion USD in 2022 to 6.02 billion USD by 2025, with a compound annual growth rate of 7.3% [14] Group 5: Customer Dependency and Strategic Plans - The top five customers account for 45% of revenue, with the largest customer contributing less than 10% [8] - The company is actively pursuing new customers and markets to mitigate risks associated with customer concentration [8] - The company aims to transition from a "chemical manufacturer" to a "comprehensive electronic materials service provider" through strategic innovation and resource integration [21]

Core Viewpoint - The company has shown significant growth in revenue and profit for the year 2024, indicating a strong performance in its core business areas [2][3]. Financial Performance - In 2024, the company achieved revenue of 2.352 billion yuan, a year-on-year increase of 38.08% - The net profit attributable to shareholders reached 271 million yuan, up 28.15% year-on-year - The net profit after deducting non-recurring items was 193 million yuan, reflecting a growth of 53.19% year-on-year - In Q4 2024, the company reported a single-quarter revenue of 588 million yuan, a year-on-year increase of 39.12% but a quarter-on-quarter decrease of 8.30% - The net profit for Q4 2024 was 5.37 million yuan, marking a return to profitability compared to the previous year, but a significant quarter-on-quarter decline of 93.82% [2]. Business Segment Performance - The precursor business (including MO source) generated revenue of 578 million yuan in 2024, a substantial year-on-year growth of 70.3%, with a corresponding gross margin increase of 8.7 percentage points to 48.6% - The precursor sales volume reached 383 tons, representing an 83.4% increase year-on-year - The specialty gas business achieved revenue of 1.506 billion yuan, a year-on-year increase of 22.3%, but the gross margin decreased by 6.2 percentage points to 39.9% - Specialty gas sales volume was 11,800 tons, up 25.1% year-on-year - The company recorded an asset impairment loss of 127 million yuan for the year, with Q4 2024 accounting for 103 million yuan of this loss, impacting the quarterly performance [3]. Strategic Development - The company has evolved from a single product (MO source) and single sector (LED) to a comprehensive electronic materials supplier with multiple products (precursors, specialty gases, photoresists) and industries (IC, LCD, LED, new energy) - In 2024, revenue from the IC sector exceeded 30% of total revenue, growing by 106% year-on-year - The company is accelerating the application of phosphine mixtures in the new energy sector and has gained a first-mover advantage in the domestic IC application of ARC products - The company is actively exploring high-end applications in compound semiconductors and optical coatings, alongside achieving over 10 million yuan in revenue from ArF photoresists in 2024 [4].