证券代码：300346 证券简称：南大光电 公告编号：2025-066 江苏南大光电材料股份有限公司 关于2025年前三季度计提减值准备的公告 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，没 有虚假记载、误导性陈述或重大遗漏。 江苏南大光电材料股份有限公司（以下简称"公司"）根据《深圳证券交易所创业板 股票上市规则》《深圳证券交易所上市公司自律监管指引第2号——创业板上市公司规 范运作》《企业会计准则》等相关规定的要求，对截至2025年9月30日合并财务报表范 围内相关资产计提减值准备。现将具体情况公告如下： 一、本次计提减值准备的情况概述 为真实、准确反映公司财务状况、资产价值及经营成果，本着谨慎性原则，根据 《企业会计准则》及公司会计政策的相关规定，公司对截至2025年9月30日合并报表范 围内的各类资产进行了全面清查及资产减值测试，并对存在减值迹象的资产计提相应减 值准备。 根据《深圳证券交易所创业板股票上市规则》《深圳证券交易所上市公司自律监 管指引第2号——创业板上市公司规范运作》及《公司章程》等相关规定，本次计提减 值无需提交公司董事会或股东会审议。 | 固定资产减值损失 | 4,2 ...

江苏南大光电材料股份有限公司 章程修订情况对照表 根据《中华人民共和国公司法》《上市公司章程指引（2025 年修订）》等法律法规的规定， 结合公司实际情况，江苏南大光电材料股份有限公司第九届董事会第十四次会议审议通过了 《关于修订<公司章程>的议案》，具体修订内容如下： | 本次修订前 | 本次修订后 | | --- | --- | | 第二条 公司系依照《公司法》和其他 | 第二条 公司系依照《公司法》和其他 | | 有关规定成立的股份有限公司。 | 有关规定成立的股份有限公司。 | | 公司经江苏省人民政府《省政府关于同 | 公司经江苏省人民政府《省政府关于同意 | | 意设立江苏南大光电材料股份有限公司的 | 设立江苏南大光电材料股份有限公司的批复》 | | 批复》（苏政复[2000]242 号）批准，以发起 | （苏政复[2000]242 号）批准，以发起设立方 | | 设立方式设立；在江苏省工商行政管理局 | 式 设 立 ， 统 一 社 会 信 用 代 码 为 | | 注册登记，取得营业执照。统一社会信用 | 91320000724448484T。 | | 代码为 91320000724448484 ...

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， 没有虚假记载、误导性陈述或重大遗漏。 江苏南大光电材料股份有限公司（以下简称"公司"）于 2025年10月27日召开第九 届董事会第十四次会议，审议通过了《关于修订<公司章程>的议案》，本议案尚需提交 公司股东会审议。现将有关内容公告如下： 证券代码：300346 证券简称：南大光电 公告编号：2025-064 江苏南大光电材料股份有限公司 关于修订《公司章程》的公告 公司提请股东会授权董事会在股东会审议通过后依据相关规定办理工商变更登记 手续。具体变更内容以市场监督管理机关登记为准。 特此公告。 为提升公司内部治理和规范运作水平，结合公司实际发展需要，对《公司章程》部 分条款进行修订，具体修订内容如下： 江苏南大光电材料股份有限公司 | 本次修订前 | 本次修订后 | | --- | --- | | 第二条 公司系依照《公司法》和其他 | 第二条 公司系依照《公司法》和其他 | | 有关规定成立的股份有限公司。 | 有关规定成立的股份有限公司。 | | 公司经江苏省人民政府《省政府关于同 | 公司经江苏省人民政府《省政府关于同意 | | 意设立江苏 ...

江苏南大光电材料股份有限公司 关于召开 2025 年第五次临时股东会的通知 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， 没有虚假记载、误导性陈述或重大遗漏。 根据江苏南大光电材料股份有限公司（以下简称"公司"）第九届董事会第十四次会 议决议，决定于 2025 年 11 月 14 日 14:30 召开公司 2025 年第五次临时股东会，现将本次 股东会有关事项通知如下： 一、召开会议的基本情况 证券代码：300346 证券简称：南大光电 公告编号：2025-067 1、股东会届次：2025 年第五次临时股东会 2、股东会的召集人：董事会 3、本次会议的召集、召开符合《中华人民共和国公司法》《深圳证券交易所创业板股 票上市规则》《深圳证券交易所上市公司自律监管指引第 2 号—创业板上市公司规范运作》 等法律、行政法规、部门规章、规范性文件及《公司章程》的有关规定。 4、会议时间： （1）现场会议时间：2025 年 11 月 14 日 14:30 （2）网络投票时间：通过深圳证券交易所系统进行网络投票的具体时间为 2025 年 11 月 14 日 9:15-9:25，9:30-11:30，13:00 ...

一、审议通过《关于<2025年第三季度报告>的议案》 《2025年第三季度报告》的内容详见中国证监会指定创业板信息披露网站巨潮资讯 网(www.cninfo.com.cn)。 本议案已经公司董事会审计委员会2025年第四次会议审议通过。审计委员会认为： 公司《2025年第三季度报告》的编制和审核程序符合法律、行政法规和中国证监会的规 定，报告内容真实、准确、完整地反映了公司2025年第三季度经营的实际情况，不存在 虚假记载、误导性陈述或者重大遗漏。 证券代码：300346 证券简称：南大光电 公告编号：2025-058 江苏南大光电材料股份有限公司 第九届董事会第十四次会议决议公告 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，没 有虚假记载、误导性陈述或重大遗漏。 江苏南大光电材料股份有限公司（以下简称"公司"）于2025年10月22日以电话、 邮件、专人送达等方式，向公司全体董事发出关于召开公司第九届董事会第十四次会议 的通知，并于2025年10月27日以现场方式在公司会议室召开。应参加董事9人，实参加 董事9人。公司高级管理人员列席了会议，符合《中华人民共和国公司法》及《江苏南 大光电材料股 ...

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 变更部分募集资金用途的核查意见 | 序号 | | 项目名称 | 总投资额 | 拟使用募集 | 调整后拟投 | | --- | --- | --- | --- | --- | --- | | | | | | 资金额 | 入募集资金 | | 1 | 年产 45 产品产业化项目 | 吨半导体先进制程用前驱体 | 11,000.00 | 7,000.00 | 7,000.00 | | 2 | 年产 吨高纯磷烷、砷烷扩产及砷 140 烷技改项目 | | 10,000.00 | 8,000.00 | 8,000.00 | | --- | --- | --- | --- | --- | --- | | 3 | | 乌兰察布南大微电子材料有限公司年 | 100,000.00 | 50,000.00 | 50,000.00 | | | 产 7200 | 吨电子级三氟化氮项目 | | | | | 4 | 补充流动资金 | | 25,000.00 | 25,000.00 | 23,797.95 | | | 合计 | | 146,000.00 | 90,000.00 | 8 ...

Financial Performance - The company's revenue for Q3 2025 reached ¥655,408,204.43, representing a year-over-year increase of 2.20%[3] - Net profit attributable to shareholders was ¥92,972,105.85, up 6.97% compared to the same period last year[3] - The net profit excluding non-recurring gains and losses was ¥66,466,188.37, reflecting a significant increase of 17.51% year-over-year[3] - Total operating revenue for the current period reached ¥1,884,280,819.77, an increase of 6.8% compared to ¥1,763,818,418.49 in the previous period[22] - Net profit for the current period was ¥375,464,796.38, compared to ¥361,668,641.93 in the previous period, indicating a growth of 3.2%[23] - The net profit attributable to shareholders of the parent company was ¥300,786,187.19, an increase from ¥265,608,303.02, representing a growth of 13.2%[23] Assets and Liabilities - Total assets at the end of the reporting period were ¥6,274,194,976.75, a decrease of 3.33% from the end of the previous year[3] - Total assets decreased to ¥6,274,194,976.75 from ¥6,489,990,515.41, a decline of 3.3%[21] - Total liabilities decreased to ¥2,340,348,703.99 from ¥2,492,879,639.94, a reduction of 6.1%[20] - The company's equity attributable to shareholders increased to ¥3,441,379,534.62 from ¥3,399,095,442.21, reflecting a growth of 1.2%[21] Cash Flow - Cash flow from operating activities for the year-to-date was ¥625,603,737.83, an increase of 7.06%[3] - Operating cash flow for the current period was CNY 625,603,737.83, an increase of 7.3% compared to CNY 584,370,379.83 in the previous period[26] - Total cash inflow from operating activities reached CNY 2,057,142,346.75, up from CNY 1,938,397,461.27, reflecting a growth of 6.1%[26] - Cash outflow from investing activities was CNY 3,693,129,208.31, compared to CNY 2,768,886,267.74 in the previous period, indicating a significant increase of 33.3%[26] - Net cash flow from investing activities was negative at CNY -134,588,904.57, an improvement from CNY -1,436,213,415.35 in the previous period[26] - Cash inflow from financing activities totaled CNY 429,123,664.75, an increase of 57.0% from CNY 273,629,581.28[27] - The net cash flow from financing activities was CNY -344,226,402.03, worsening from CNY -44,564,876.73 in the previous period[27] - The ending cash and cash equivalents balance was CNY 610,383,400.32, up from CNY 486,586,573.87, reflecting an increase of 25.4%[27] Shareholder Information - Total number of common shareholders at the end of the reporting period is 130,201[14] - The top 10 shareholders hold a combined total of 80,892,542 shares, representing 11.70% of the company's total share capital[15] - The company plans to distribute a cash dividend of 1.00 RMB per 10 shares and increase capital by 2 shares for every 10 shares held, effective May 9, 2025[16] - The company has 32,315,868 shares under lock-up for the shareholder Zhang Xingguo, which will be released according to the lock-up schedule[16] - The company has no known relationships or concerted actions among the other shareholders beyond the identified parties[15] Investment and Expenses - Financial expenses decreased by 60.64% to ¥14,249,237.48, primarily due to the cessation of convertible bond interest accrual[10] - Investment income surged by 113.94% to ¥55,419,289.26, mainly from gains on the disposal of trading financial assets[10] - Research and development expenses were ¥146,834,895.15, down from ¥160,338,200.58, a decrease of 8.4%[22] - The company reported an investment income of ¥55,419,289.26, significantly higher than ¥25,904,522.23 in the previous period, marking an increase of 114.5%[23] Inventory and Receivables - The company reported a significant increase in prepayments by 62.91% to ¥37,615,601.88, attributed to increased inventory procurement[7] - Cash received from investment activities was CNY 3,558,540,303.74, a substantial rise from CNY 1,332,672,852.39, marking an increase of 167.0%[26] - Accounts receivable at the end of the reporting period stand at 609,326,600.24 RMB, compared to 589,412,885.66 RMB at the beginning[18] - Inventory at the end of the reporting period is 839,858,360.22 RMB, an increase from 722,381,706.82 RMB[18]

Core Viewpoint - The company Nanda Optoelectronics (300346.SZ) has successfully achieved over ten million in sales revenue from ArF photoresist last year, and is making progress with multiple products in testing with key customers this year [1]. Group 1 - The company received multiple inquiries regarding the mass production and validation status of photoresist, indicating investor interest and concern [1]. - Nanda Optoelectronics confirmed that several products are undergoing successful testing with key customers, suggesting a positive outlook for future sales [1]. - The company maintains a continuous and stable supply of products for previously secured orders, indicating operational reliability [1].

Group 1 - The semiconductor equipment ETF (561980) has seen a significant increase, rising by 3.26% with a trading volume of 252 million as of 13:50 [1] - Notable gains in constituent stocks include a more than 16% increase in the photoresist stock Jingrui Electric Materials, over 7% in Aisen Co. and Jinhaitong, and a 6.06% rise in Nanda Optoelectronics [1] - Equipment manufacturers such as Tuojing Technology rose over 8%, while Zhongke Feicai and Zhongwei Company increased by over 4%, and Beifang Huachuang rose by 3.42% [1] Group 2 - A significant breakthrough has been achieved in China's photoresist field, with a team from Peking University using cryo-electron tomography to analyze the micro three-dimensional structure of photoresist molecules in liquid phase, leading to a new industrialization scheme that significantly reduces photoresist defects [3] - Semiconductor materials are essential in the manufacturing of integrated circuits, discrete devices, sensors, and optoelectronic devices, forming the basis of semiconductor manufacturing processes [3] - According to TECHCET data, the semiconductor manufacturing materials market is expected to grow nearly 8% year-on-year by 2025, with an annual compound growth rate (CAGR) of 5.6% from 2023 to 2028, potentially exceeding 84 billion by 2028 [3] - The semiconductor equipment ETF (561980) tracks the CSI semiconductor index, with approximately 70% weight in "semiconductor equipment + materials," and has reported a net value growth rate of 61.46% over the past six months and 89.26% over the past year [3]

Core Viewpoint - The semiconductor sector is experiencing a significant boost due to breakthroughs in photoresist technology, leading to strong stock performance among related companies and ETFs [1][4]. Group 1: Stock Performance - Jingrui Electric Materials opened strongly and hit the upper limit, while Nanda Optoelectronics and Aisen Co. saw gains exceeding 12% [1]. - The semiconductor equipment ETF (561980) rose by 2.47%, with a peak increase of over 3%, and recorded a trading volume of 110 million yuan [1]. - Over the past ten trading days, the ETF has seen a cumulative net inflow of 294 million yuan, bringing its latest scale to 2.626 billion yuan, with a year-to-date index increase of 61.31% [1]. Group 2: Company Developments - The research team led by Professor Peng Hailin from Peking University has made advancements in understanding the micro-3D structure of photoresist molecules, which could significantly reduce lithography defects [4]. - Domestic GPU manufacturer Muxi Co. has received approval for its IPO on the Sci-Tech Innovation Board, indicating a positive trend for domestic computing power companies [4]. - Muxi is negotiating customer orders estimated at 2.004 billion yuan, with over 1.7 billion yuan in AI computing projects, while Muxi has an order backlog of 1.43 billion yuan [5]. Group 3: ETF Performance and Holdings - The semiconductor equipment ETF (561980) reported a net asset growth rate of 89.26% over the past year, with a 61.46% increase over the last six months [7]. - The ETF tracks the CSI Semiconductor Index, with top holdings including Zhongwei Company (15.01%), Beifang Huachuang (12.70%), and Cambrian (10.56%), collectively accounting for over 78% of the portfolio [9][10]. - The index is heavily weighted towards semiconductor equipment, materials, and digital chip design, which are expected to benefit from the push for self-sufficiency in the semiconductor industry [9]. Group 4: Financial Performance of Component Stocks - Companies like Haiguang Information and Cambrian reported significant year-on-year growth in both revenue and net profit for the first three quarters [11]. - Jingrui Electric Materials achieved a staggering 192-fold increase in net profit year-on-year, highlighting the strong performance of semiconductor-related firms [12]. - Other component stocks such as Jianghua Micro and Aisen Co. also reported positive revenue and net profit growth, indicating a robust sector performance [12]. Group 5: Market Outlook - Analysts from Huaxi Securities and Galaxy Securities express optimism about the continued growth of the technology sector, driven by advancements in AI and high-performance computing chip demand [6][13]. - The stability of key chip and material supplies is critical, making the establishment of a self-sufficient semiconductor supply chain a necessity rather than an option [13].