Group 1 - The core announcement is that Youyan Silicon (688432.SH) has disclosed plans for its controlling shareholder, RS Technologies, and its concerted party, Cangyuan Investment, to reduce their holdings by up to 37.5 million shares, which represents no more than 3% of the company's total share capital [1] Group 2 - The reduction of shares will be executed through block trades and centralized bidding, depending on market conditions [1]

有研半导体硅材料股份公司 控股股东及其一致行动人减持股份计划公告 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： 证券代码：688432 证券简称：有研硅 公告编号：2026-002 控股股东及其一致行动人的基本情况 截至本公告披露日，有研半导体硅材料股份公司（以下简称"公司"、"有研 硅"）控股股东株式会社 RS Technologies（以下简称"RS Technologies"）持 有公司股份 327,090,400 股，占公司总股本的 26.16%；控股股东的一致行动人 福建仓元投资有限公司（以下简称"仓元投资"）持有公司股份 28,215,000 股， 占公司总股本的 2.26%；北京有研艾斯半导体科技有限公司（以下简称"有研艾 斯"）持有公司股份 384,750,000 股，占公司总股本的 30.77%。公司控股股东及 其一致行动人合计持有公司股份 740,055,400 股，占公司总股本的 59.19%，上 述股份为公司首次公开发行上市前取得的股份，已于 2025 年 11 月 1 ...

Core Viewpoint - The company, Youyan Silicon (688432), announced on January 16 that its controlling shareholder, RS Technologies Co., Ltd., along with its concerted action party, Cangyuan Investment, plans to reduce its shareholding by a total of up to 37.5 million shares, which does not exceed 3% of the company's total share capital [1] Group 1 - The reduction of shares will be executed through block trading and centralized bidding methods [1] - The total number of shares to be reduced is significant, amounting to 37.5 million shares [1] - The planned reduction represents a maximum of 3% of the company's total equity [1]

Core Viewpoint - The company, Youyan Silicon, announced that its controlling shareholder, RSTechnologies, along with its concerted party, Fujian Cangyuan Investment Co., Ltd., plans to reduce their holdings by a total of up to 37.5 million shares, representing no more than 3% of the company's total share capital [1] Group 1 - RSTechnologies intends to reduce its holdings by up to 12.5 million shares, which accounts for 1% of the company's total share capital [1] - Cangyuan Investment plans to reduce its holdings by up to 25 million shares through block trading and centralized bidding, representing 2% of the company's total share capital [1] - The shares to be reduced are sourced from those acquired before the company's initial public offering, with the reduction period set from February 9, 2026, to May 8, 2026 [1] Group 2 - The reduction in holdings will be conducted at market price [1] - This share reduction will not lead to a change in the company's controlling shareholder or actual controller [1] - The company expects that this reduction will not have a significant impact on its ongoing stable operations [1]

Group 1 - The core point of the article highlights the recent performance of Youyan Silicon, which saw a 5.08% increase in stock price, reaching 14.48 CNY per share, with a trading volume of 277 million CNY and a turnover rate of 1.57%, resulting in a total market capitalization of 18.104 billion CNY [1] - Youyan Semiconductor Silicon Materials Co., Ltd. is based in Beijing and was established on June 21, 2001, with its listing date on November 10, 2022. The company's main business involves the research, production, and sales of semiconductor materials [1] - The revenue composition of Youyan Silicon includes 61.48% from semiconductor silicon wafers, 29.55% from silicon materials for etching equipment, 6.80% from other sources, and 2.16% from supplementary sources [1] Group 2 - From the perspective of the top ten circulating shareholders of Youyan Silicon, data shows that a fund under Southern Fund ranks among the top shareholders. The Southern CSI 1000 ETF (512100) reduced its holdings by 39,200 shares in the third quarter, now holding 3.4202 million shares, which accounts for 0.67% of the circulating shares [2] - The Southern CSI 1000 ETF (512100) was established on September 29, 2016, with a latest scale of 76.63 billion CNY. Year-to-date returns are 8.51%, ranking 1463 out of 5531 in its category; over the past year, returns are 44.65%, ranking 1681 out of 4215 [2] - The fund manager of Southern CSI 1000 ETF (512100) is Cui Lei, who has a cumulative tenure of 7 years and 72 days, with total fund assets of 122.76 billion CNY. The best fund return during the tenure is 234.52%, while the worst return is -15.93% [2]

Group 1 - The company has increased its registered capital from RMB 1,247,621,058 to RMB 1,250,301,858 due to the completion of its stock option incentive plan [1] - The total number of shares has risen from 1,247,621,058 to 1,250,301,858 shares following the exercise of stock options, which involved the issuance of 2,680,800 shares [1] - The company has completed the business registration change and obtained a new business license from the Beijing Market Supervision Administration [2] Group 2 - The company’s updated registered capital is RMB 125,030.1858 million, and it operates as a foreign-invested, publicly listed company [2] - The company’s articles of association have been revised to reflect changes in registered capital and total shares, with specific amendments made as authorized by the shareholders [2][3] - The revised articles of association will be disclosed on the Shanghai Stock Exchange website [3]

有研半导体硅材料股份公司 章程 二〇二五年十二月 | | | | 第一章 | 总则 | | 1 | | --- | --- | --- | --- | | 第二章 | 经营宗旨和范围 | | 2 | | 第三章 | 股份 | | 3 | | 第四章 | 股东和股东会 | | 6 | | 第五章 | 董事和董事会 | | 26 | | 第六章 | 高级管理人员 | | 39 | | 第七章 | | 财务会计制度、利润分配和审计 | 41 | | 第八章 | 通知与公告 | | 46 | | 第二节 | 公告 | | 47 | | 第九章 | 合并、分立、增资、减资、解散和清算 | 47 | | --- | --- | --- | | 第十章 | 党的组织 | 51 | | 第十一章 | 修改章程 | 51 | | 第十二章 | 附则 | 52 | 有研半导体硅材料股份公司 章 程 第一章 总则 第一条 为适应建立现代企业制度的需要，规范有研半导体硅材料股份公司（以下简 称"公司"）的组织和行为，维护公司、股东、职工和债权人的合法权益，依据《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 ...

有研半导体硅材料股份公司 关于变更注册资本、修订《公司章程》 并换发营业执照的公告 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、准确性和完整性依法承担法律责任。 证券代码：688432 证券简称：有研硅 公告编号：2026-001 近日，公司已完成工商变更登记手续，并取得了北京市市场监督管理局颁发 的《营业执照》，具体登记信息如下： 公司名称：有研半导体硅材料股份公司 统一社会信用代码：91110000600090126J 公司类型：股份有限公司（外商投资、上市） 法定代表人：张果虎 注册资本：人民币 125030.1858 万元 有研半导体硅材料股份公司（以下简称"公司"）于 2025 年 12 月 24 日召 开第二届董事会第十二次会议，审议通过了《关于变更注册资本及修订<公司章 程>并办理工商变更登记的议案》。因公司实施的股权激励计划已完成行权，公司 注册资本由人民币 1,247,621,058 元增至人民币 1,250,301,858 元，并相应修订 《有研半导体硅材料股份公司章程》（以下简称"《公司章程》"）。根据公司 2024 年第二次临时 ...

Core Viewpoint - Youyan Silicon is one of the earliest companies in China engaged in the research and development of semiconductor single crystal silicon, possessing a comprehensive range of products and strong market competitiveness [2] Company Overview - Youyan Silicon has developed capabilities in the research and production of silicon polishing wafers, silicon materials and components for etching equipment, and zone melting silicon materials [2] - The company has mastered the complete set of core key technologies for semiconductor silicon materials and has an independent and complete R&D system [2] Product Competitiveness - The company offers a diverse range of specialty products with strong market competitiveness, continuously upgrading and optimizing its product structure [2] - Youyan Silicon has developed various specialty products for silicon polishing wafers and silicon materials for etching equipment, enhancing its market pricing power [2]

Group 1 - The company has established a multi-dimensional layout in the storage chip sector [1] - The company's etching equipment components have entered the supply chain of certain storage customers, with certification for Yangtze Memory Technologies Corporation (YMTC) actively progressing [1] - The company's subsidiary, Shandong Youyan Aisi, has achieved bulk supply of 12-inch silicon wafers to YMTC [1] Group 2 - The company is also supplying component products to TSMC through its controlling shareholder's subsidiary [1]