证券代码：688720 证券简称：艾森股份 公告编号：2025-036 江苏艾森半导体材料股份有限公司 关于以集中竞价交易方式回购股份的进展公告 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。 2024 年 11 月 19 日，公司召开第三届董事会第十二次会议，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已发行的部分人民币普通股（A 股） 股票，并将回购股份在未来适宜时机全部用于员工持股计划或股权激励。本次回 购资金总额不低于人民币 4,000 万元（含），不超过人民币 6,000 万元（含），回 购价格不超过人民币 70.58 元/股（含）。回购期限为自公司董事会审议通过回购 股份方案之日起 12 个月内。具体内容详见公司于 2024 年 11 月 25 日在上海证券 交易所网站（www.sse.com.cn）披露的《江苏艾森半导体材料股份有限公司关于 以集中竞价交易方式回购股份的回购报告书》（公告编号：2024-071）。 二、回购股份的进 ...

Market Overview - On May 30, the three major A-share indices collectively declined, with the Shanghai Composite Index falling by 0.47% to 3347.49 points, the Shenzhen Component Index down by 0.85% to 10040.63 points, and the ChiNext Index decreasing by 0.96% to 1993.19 points [1]. Fund Manager Changes - In the past 30 days (April 30 to May 30), a total of 513 fund managers have left their positions across various funds. On May 30 alone, 39 funds announced changes in fund managers, with 6 leaving due to job changes and 2 due to personal reasons [1]. - Notable fund managers who left include those managing a total of 15 funds and 24 funds respectively, indicating significant turnover that could impact fund performance [1]. New Fund Managers - New fund managers have taken over several funds, including Yan Peixian at China Europe Fund, managing assets totaling 12.365 billion yuan, with a notable return of 87.82% over 10 years and 49 days on the China Europe Pure Bond One Year A fund [3]. - Other new appointments include managers for the China Europe Xingyue Bond A and C funds, as well as the China Europe Xingying One Year Open Bond Initiation fund [3]. Fund Research Activity - In the last month, Huaxia Fund conducted the most company research, engaging with 67 listed companies, followed by Bosera Fund with 62 and Harvest Fund with 60 [5]. - The most researched industry was specialized equipment, with 278 instances of fund company inquiries, followed by the medical device sector with 210 inquiries [5]. Individual Stock Research - The most researched stock in the past month was Zhaowei Electromechanical, with 88 fund management companies participating in the research, followed by Anji Technology and Heng'erda with 82 and 80 respectively [6]. - In the past week (May 23 to May 30), Huafeng Technology led with 33 fund institutions conducting research, followed by Jucheng Co., Kexing Pharmaceutical, and Aisen Co. with 27, 24, and 17 respectively [6].

Summary of Conference Call for Aisen Co., Ltd. Industry Overview - The focus for investment this year (2025) is on self-sufficiency, particularly in the equipment and materials sectors, with domestic companies actively replacing foreign products [2][3] - The advanced packaging sector is trending towards higher integration and heterogeneous integration, with 2.5D and 3D packaging becoming key directions for GPU and AI chip development [2][4] Company Insights - Aisen Co., Ltd. has launched mass production of its positive DNQ series photoresist products, with a high market share expectation, while the negative acrylic series holds about a low double-digit percentage [2][6] - The company is conducting chemical amplification RDL photoresist tests, with client validation expected in the second half of the year, aiming for a comprehensive product layout [2][6] - Aisen's positive DNQ and negative acrylic series have gained market share in the domestic advanced packaging sector, which primarily uses JSR's post-film revival photoresist [2][7] Market Dynamics - The HBM memory market is currently dominated by international giants, but domestic companies are gradually entering this space [2][7] - Due to international political factors, the supply of HPV3 and subsequent products is limited, necessitating independent development of related technologies in China [2][8] - The TSV (Through-Silicon Via) technology is crucial in HBM structures, and Aisen is developing TSV photoresist and high-speed copper plating products [2][9] Product Development and Strategy - Aisen is focusing on developing new PSPI materials to meet the diverse needs of advanced packaging, with plans to become a leading supplier in this area within two to three years [2][4][14] - The company has established a strategic partnership with Shenghe Jingwei, focusing on electroplating and photoresist products, with significant sales growth expected [2][26] - Aisen's business performance in the advanced packaging sector is projected to grow rapidly, with a target of achieving significant sales in the wafer and advanced packaging fields [2][14][31] Challenges and Opportunities - The ongoing trade tariff war has increased material procurement costs for several packaging and testing companies, prompting a shift towards domestic materials [2][33] - The domestic PSPI market is still in its infancy, with a market size of approximately 1.5 billion RMB, and Aisen is working to increase its market share through product development and client validation [2][17][22] - The company is addressing supply chain challenges by developing multiple alternative solutions to mitigate reliance on single products [2][19] Future Outlook - Aisen anticipates structural growth driven by increasing demand from domestic clients, particularly in the HBM sector, and plans to expand its product offerings to meet market needs [2][28] - The company aims to enhance its domestic replacement rate and market share through improved risk control and technology advancements [2][25]

Market Overview - The Shanghai Composite Index closed at 3348.37 points, above the annual line, with a decline of 0.94% [1] - The total trading volume of A-shares reached 1,182.564 billion yuan [1] Stocks Breaking Annual Line - A total of 31 A-shares have surpassed the annual line today, with notable stocks including: - Pruis (4.48% deviation) - Yingjie Electric (3.80% deviation) - Boying Special Welding (3.01% deviation) [1] - Stocks with smaller deviations just above the annual line include: - Shuangjian Co., Ltd. - Rhine Biology - Bull Group [1] Top Performers - The top three stocks with the highest deviation rates from the annual line are: 1. Pruis: 5.17% increase, 8.64% turnover rate, latest price 30.12 yuan 2. Yingjie Electric: 5.80% increase, 8.35% turnover rate, latest price 48.50 yuan 3. Boying Special Welding: 3.28% increase, 6.03% turnover rate, latest price 22.70 yuan [1] Additional Notable Stocks - Other notable stocks with significant performance include: - Fosa Technology: 3.03% increase, 8.32% turnover rate, latest price 32.31 yuan - Shandong Haihua: 5.57% increase, 6.80% turnover rate, latest price 5.88 yuan - Renfu Pharmaceutical: 3.06% increase, 2.53% turnover rate, latest price 20.88 yuan [1]

Market Overview - As of 13:59 today, the Shanghai Composite Index is at 3372.33 points, with a slight decline of -0.23% [1] - The total trading volume of A-shares today is 838.849 billion yuan [1] Stocks Breaking Annual Line - A total of 68 A-shares have surpassed their annual line today, with notable stocks including: - Puris (乖离率 6.48%) - Aisen Co., Ltd. (乖离率 5.81%) - Fosa Technology (乖离率 4.02%) [1] Stocks with Significant Deviation - The stocks with the largest deviation from the annual line include: - Puris: Today's price increased by 7.19% to 30.70 yuan - Aisen Co., Ltd.: Today's price increased by 7.47% to 42.00 yuan - Fosa Technology: Today's price increased by 4.30% to 32.71 yuan [1] Additional Stocks with Positive Performance - Other stocks showing positive performance and their respective deviations include: - Yao Stone Technology: 3.77% increase, 3.51% deviation - Fuling Power: 6.24% increase, 3.42% deviation - Yingjie Electric: 5.37% increase, 3.38% deviation [1] Summary of Stocks with Minor Deviations - Stocks with minor deviations from the annual line include: - Huayang Intelligent: 4.58% increase, 2.48% deviation - Boying Special Welding: 2.32% increase, 2.06% deviation - Stone Technology: 2.02% increase, 1.96% deviation [1]

Group 1: M&A Activity Overview - From May 12 to May 18, there were a total of 86 M&A events involving listed companies, with 33 classified as significant M&A transactions[8] - Out of the total M&A events, 19 were completed, including 1 significant M&A transaction[8] Group 2: Policy Updates - The China Securities Regulatory Commission (CSRC) revised the "Management Measures for Major Asset Restructuring of Listed Companies," emphasizing a phased payment mechanism for restructuring shares and simplifying the review process[6] - The new rules allow for a 48-month validity period for registration decisions on phased share issuances for asset purchases[21] Group 3: Encouragement for Private Equity - The revised measures encourage private equity funds to participate in M&A activities, with a reduction in lock-up periods for certain transactions[21] - For private equity funds with a 48-month investment period, the lock-up period for third-party transactions is reduced from 12 months to 6 months[21] Group 4: Market Performance - During the week of May 12 to May 18, the restructuring index outperformed the Wind All A index by 1.19%[16] - The rolling 20-day return difference between the restructuring index and the Wind All A index remained near the zero axis, indicating stable performance[16] Group 5: Failed M&A Events - There were 5 failed M&A events during the week, involving companies such as Xinkeng Intelligent and Aisen Co., with total transaction values including 600,000 CNY for Huafeng Chemical's failed acquisition[13]

证券研究报告 | 公司动态点评 2025 年 05 月 19 日 资料来源：公司财报，长城证券产业金融研究院 事件：公司发布 2024 年年报及 2025 年一季报，2024 年公司实现营收 4.32 亿元，同比增长 20.04%；实现归母净利润 0.33 亿元，同比增长 2.51%；实 现扣非净利润 0.24 亿元，同比下降 10.21%。2025 年 Q1 公司实现营收 1.26 亿元，同比增长 54.13%，环比增长 5.23%；实现归母净利润 0.08 亿元，同 比增长 0.71%，环比下降 21.60%；实现扣非净利润 0.07 亿元，同比增长 84.39%，环比下降 10.58%。 营收快速增长，研发投入加大：2024 年公司综合营收实现 20.04%的增长， 主要得益于先进封装领域的良好表现，其中电镀液及配套试剂同比增长 9.67%，光刻胶及配套试剂同比增长 37.68%。然而，净利润增长幅度小于营 收增长幅度，主要原因是公司持续加大研发投入，研发费用同比增长 40.42%， 占营业收入的比例达到 10.62%。整体来看，公司在保持营收增长的同时， 通过加大研发投入为未来的技术突破和市场拓展奠定 ...

证券代码：688720 证券简称：艾森股份 公告编号：2025-035 江苏艾森半导体材料股份有限公司 2024年年度股东大会决议公告 注：截至本次股东大会股权登记日公司总股本为 88,133,334 股，其中公司回购专用证 券账户中股份数为 1,444,032 股，不享有股东大会表决权；本次会议公司有表决权股份 总数为 86,689,302 股。 （四） 表决方式是否符合《公司法》及公司章程的规定，大会主持情况等。 本次会议是否有被否决议案：无 一、 会议召开和出席情况 （一） 股东大会召开的时间：2025 年 05 月 16 日 （二） 股东大会召开的地点：江苏省昆山市千灯镇中庄路 299 号江苏艾森半导 体材料股份有限公司五楼会议室 （三） 出席会议的普通股股东、特别表决权股东、恢复表决权的优先股股东及 其持有表决权数量的情况： | 1、出席会议的股东和代理人人数 | 62 | | --- | --- | | 普通股股东人数 | 62 | | 2、出席会议的股东所持有的表决权数量 | 49,284,066 | | 普通股股东所持有表决权数量 | 49,284,066 | | 3、出席会议的股东所持有表决 ...

FANGDA PARTNERS http://www.fangdalaw.com 中国上海市石门一路 288 号 电子邮件 E-mail: email@fangdalaw.com 兴业太古汇香港兴业中心二座 24 楼 电 话 Tel.: +86-21-2208 1166 邮政编码：200041 传 真 Fax.: +86-21-5298 5599 上海市方达律师事务所 关于江苏艾森半导体材料股份有限公司 2024 年年度股东大会的法律意见书 致：江苏艾森半导体材料股份有限公司 上海市方达律师事务所（以下简称"本所"）是具有中华人民共和国境内法 律执业资格的律师事务所。根据相关法律顾问协议，本所指派律师出席江苏艾森 半导体材料股份有限公司（以下简称"公司"）2024 年年度股东大会（以下简称 "本次股东会"），并就本次股东会的召集和召开程序、参与表决和召集会议人员 的资格、表决程序和表决结果等有关事宜出具本法律意见书。 本法律意见书依据《中华人民共和国公司法》《中华人民共和国证券法》《上 市公司股东会规则》及其他相关中华人民共和国境内已公开颁布并生效的法律、 法规、规章及规范性文件（以下合称"中国法律法规"，仅 ...

Core Viewpoint - Aisen Co., Ltd. (688720.SH) announced the termination of its plan to issue shares and pay cash for asset acquisition, along with fundraising, due to failure to reach consensus on transaction terms with counterparties [1][2] Group 1: Termination of Transaction - The company held meetings on May 14, 2025, where the board and supervisory committee approved the termination of the asset acquisition and fundraising plan [1] - The decision was made after negotiations with transaction parties did not yield agreement on the transaction scheme and commercial terms, including payment methods [1] Group 2: Details of the Proposed Transaction - The original plan involved acquiring a 70% stake in Bano (Suzhou) New Materials Co., Ltd. from 11 counterparties, including Wu Qinglai and Song Wenzhi [2] - The transaction was not expected to constitute a major asset restructuring or related party transaction as per relevant regulations [2] Group 3: Fundraising and Financials - Aisen Co., Ltd. was listed on the Shanghai Stock Exchange's Sci-Tech Innovation Board on December 6, 2023, with 22,033,334 shares issued at a price of 28.03 yuan per share [2] - The total amount raised was 617.5944 million yuan, with a net amount of 544.4971 million yuan after deducting issuance costs, which was 166.2712 million yuan less than originally planned [2] - Issuance costs totaled 73.0972 million yuan, including underwriting fees of 46.7506 million yuan [3]