有研半导体硅材料股份公司 关于筹划重大资产重组的进展公告 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、准确性和完整性依法承担法律责任。 一、 本次重大资产重组的基本情况 证券代码：688432 证券简称：有研硅 公告编号：2025-018 有研半导体硅材料股份公司（以下简称"公司"）拟以支付现金的方式 收购高频（北京）科技股份有限公司(以下简称"标的公司")约 60%的股权（以 下简称"本次交易"），本次交易完成后公司将成为标的公司控股股东。 本次交易不构成关联交易。经初步测算，本次交易预计构成《上市公司 重大资产重组管理办法》规定的重大资产重组情形。本次交易不涉及公司发行股 份，也不会导致公司控制权的变更。 二、 本次重大资产重组的进展情况 2025 年 3 月 4 日，公司与标的公司及其股东许又志、王霞、王晓签署了《有 研半导体硅材料股份公司关于高频（北京）科技股份有限公司股份收购之意向性 协议》，具体内容详见公司于 2025 年 3 月 5 日刊登在上海证券交易所网站 （www.sse.com.cn）和指定信息披露媒体的《有研半导体硅材料股份公司 ...

会议通过的决议合法有效。 特此公告。 有研半导体硅材料股份公司董事会 证券代码：688432 证券简称：有研硅 公告编号：2025-017 有研半导体硅材料股份公司 本公司董事会及全体董事保证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： ? 本次会议是否有被否决议案：无 一、 会议召开和出席情况 （一） 股东会召开的时间：2025 年 3 月 31 日 （二） 股东会召开的地点：北京市西城区新街口外大街 2 号 D 座 17 层公司会议 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： 普通股股东人数 223 普通股股东所持有表决权数量 273,209,854 例（%） 普通股股东所持有表决权数量占公司表决权数量的比例（%） 54.2072 注：截至本次股东会股权登记日，公司回购专用账户的股份数位 3,555,336 股，不享有股东 会表决权。 （四） 表决方式是否符合《公司法》及公司章程的规定，会议主持情况等。 本次股东会由公司董事会召集并发布公告通知，由公司董事长方永义先生主 ...

北京市西城区金融街 19 号富凯大厦 B 座 12 层 电话:010-52682888 传真:010-52682999 邮编:100033 北京德恒律师事务所 关于有研半导体硅材料股份公司 2025 年第一次临时股东会的法律意见 北京德恒律师事务所 关于有研半导体硅材料股份公司 2025 年第一次临时股东会的 法律意见 北京德恒律师事务所 关于有研半导体硅材料股份公司 2025 年第一次临时股东会的 法律意见 德恒 01G20250167 号 致：有研半导体硅材料股份公司 有研半导体硅材料股份公司（以下简称"公司"）2025 年第一次临时股东 会（以下简称"本次会议"）于 2025 年 3 月 31 日（星期一）召开。北京德恒律 师事务所（以下简称"德恒"）受公司委托，指派黄卓颖、杨珉名律师（以下简 称"德恒律师"）出席了本次会议。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》"）、 中国证券监督管理委员会《上市公司股东会规则》（以下简称"《股东会规则》"）、 《有研半导体硅材料股份公司章程》（以下简称"《公司章程》"）的规定，德 恒律师就本次会议的召 ...

证券代码：688432 证券简称：有研硅 公告编号：2025-017 有研半导体硅材料股份公司 2025 年第一次临时股东会决议公告 本次会议是否有被否决议案：无 一、 会议召开和出席情况 （一） 股东会召开的时间：2025 年 3 月 31 日 （二） 股东会召开的地点：北京市西城区新街口外大街 2 号 D 座 17 层公司会议 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 | 223 | | --- | --- | | 普通股股东人数 | 223 | | 2、出席会议的股东所持有的表决权数量 | 273,209,854 | | 普通股股东所持有表决权数量 | 273,209,854 | | 3、出席会议的股东所持有表决权数量占公司表决权数量的比 | 54.2072 | | 例（%） | | | 普通股股东所持有表决权数量占公司表决权数量的比例（%） | 54.2072 | 注：截至本次股东会股权登记日，公司回购专用账户的股份数位 3,555,336 股，不享有股东 会表决权。 本公司董事会及全体董事保证公告内容不存 ...

Core Viewpoint - The company plans to distribute a cash dividend of RMB 0.6 per 10 shares, amounting to a total of RMB 74,643,943.32, which represents 32.05% of the net profit attributable to shareholders for the year 2024 [1][2][3] Profit Distribution Plan - The profit distribution plan is based on the total share capital minus the shares held in the company's repurchase account as of the record date for the dividend [1][2] - The cash dividend distribution will not include stock dividends or capital reserve transfers to increase share capital [1][2] - If there are changes in the total share capital before the record date, the distribution ratio will remain unchanged, but the total amount will be adjusted accordingly [2][3] Financial Metrics - The total cash dividend for the year is RMB 74,643,943.32, which is lower than the previous year's cash dividend of RMB 87,297,920.70 [2][3] - The total amount for cash dividends and share repurchases is RMB 110,575,909.80, which also represents 32.05% of the net profit attributable to shareholders [1][2] - The cumulative cash dividends over the last three years amount to RMB 161,941,864.02, with a cash dividend ratio of 57.95% [3] Decision-Making Process - The company's board of directors approved the profit distribution plan during the meeting held on March 27, 2025, and it will be submitted for approval at the 2024 annual shareholders' meeting [3] - The supervisory board also reviewed and approved the profit distribution plan, stating that it considers the company's profitability and funding needs, ensuring no adverse effects on the company's operations and long-term development [3]

Meeting Overview - The second meeting of the Supervisory Board of Youyan Semiconductor Silicon Materials Co., Ltd. was held on March 27, 2025, via communication, with all three supervisors present [1][2]. Resolutions Passed - The Supervisory Board approved the 2024 Work Report of the Supervisory Board with a unanimous vote of 3 in favor [2]. - The 2024 Financial Settlement Report was also approved with a unanimous vote of 3 in favor [2]. - The 2025 Financial Budget Report received unanimous approval with 3 votes in favor [2]. - The 2024 Annual Report and its summary were approved, confirming that the report meets legal and regulatory requirements and accurately reflects the company's financial status and operational results, with 3 votes in favor [2][3]. - The 2024 Profit Distribution Plan was approved, considering the company's profitability and funding needs, with 3 votes in favor [2]. - The execution of 2024 related party transactions and the estimated related party transactions for 2025 were approved, confirming compliance with relevant laws and regulations, with 3 votes in favor [4][5]. - The Special Report on the storage and actual use of raised funds for 2024 was approved, confirming compliance with regulations, with 3 votes in favor [6]. - The proposal to use idle self-owned funds for cash management was approved with 3 votes in favor [6]. - The 2025 Salary Plan for Supervisors was approved with 2 votes in favor, with one related supervisor abstaining [6]. - The 2024 Internal Control Evaluation Report was approved, confirming the effectiveness of the internal control system, with 3 votes in favor [8].

Group 1 - The company, Youyan Semiconductor Silicon Materials Co., Ltd., will hold its 2024 Annual General Meeting on April 25, 2025 [1][3] - The meeting will review eight proposals, including the ordinary related party transactions for the year 2025 [1][3] - Independent directors will present their reports during the meeting [1] Group 2 - Voting will be conducted through both on-site and online methods, utilizing the Shanghai Stock Exchange's voting system [3][4] - Shareholders must register for the meeting by April 23, 2025, and can do so via email or mail [4][5] - The deadline for online voting is set for the same day as the meeting, with specific time slots for participation [3][4] Group 3 - Certain related shareholders are required to abstain from voting [3] - The company has outlined the necessary documentation for shareholders attending the meeting, including identification and authorization letters [5][6] - Attendees are responsible for their own travel and accommodation expenses [5]

Core Viewpoint - The independent director of Youyan Semiconductor Silicon Materials Co., Ltd. reported on the fulfillment of duties in 2024, emphasizing adherence to legal regulations and the promotion of corporate governance and shareholder interests [1][8]. Independent Director's Basic Information - The board consists of 9 directors, with 4 independent directors, meeting legal requirements [2]. - The independent director has a strong academic background and has been serving since July 2023 [1][2]. Independent Director's Annual Performance Overview - The independent director attended all board meetings and voted in favor of all proposals, demonstrating diligence and responsibility [2][3]. - The independent director participated in various committee meetings, including one strategic committee meeting and two nomination committee meetings, reviewing multiple proposals [2][3]. Communication and Cooperation - The independent director maintained communication with the accounting firm regarding audit matters and engaged with minority shareholders during the annual meeting [3][4]. - The company management actively supported the independent director's work, providing necessary resources and timely information [4]. Key Focus Areas of Independent Director's Duties - The independent director reviewed related party transactions, ensuring fairness and compliance with regulations, concluding that no shareholder interests were harmed [5]. - There were no changes or waivers of commitments by the company or its shareholders during the reporting period [5]. - The company adhered to disclosure regulations, with financial reports reflecting true and fair financial conditions [6][7]. Overall Evaluation and Suggestions - The independent director contributed to corporate governance and decision-making fairness, protecting the interests of all shareholders, especially minority shareholders [8].

Core Viewpoint - The company plans to utilize idle self-owned funds for cash management, aiming to enhance fund efficiency and increase returns for shareholders while ensuring the safety of the funds and not affecting normal operations [1][4]. Group 1: Cash Management Details - Investment Type: The company will invest in high-security, liquid financial products sold by qualified financial institutions, including structured deposits, large certificates of deposit, agreement deposits, and principal-protected wealth management products [1][2]. - Investment Amount: The total amount for cash management will not exceed RMB 1.5 billion, with a validity period of 12 months from the board's approval date, allowing for rolling use within this limit [1][2][4]. - Approval Process: The cash management proposal was approved in the eighth meeting of the second board and supervisory committee on March 27, 2025, and does not require shareholder approval [1][4]. Group 2: Impact on Daily Operations - The cash management initiative will not affect the company's main business operations and will ensure the availability of funds for daily needs while enhancing fund efficiency and generating investment returns for the company and its shareholders [4][5]. Group 3: Risk Management - Investment Risks: The company will select low-risk, high-security, and liquid investment products, acknowledging that market fluctuations may pose systemic risks and that interest rates could fall below fixed deposit rates under adverse conditions [2][5]. - Risk Control Measures: The company will ensure investments are made with reputable institutions, and if risks affecting fund safety are identified, appropriate measures will be taken to safeguard investments [5].

有研半导体硅材料股份公司 2025年度"提质增效重回报"行动方案 为践行"以投资者为本"的上市公司发展理念，维护有研半导体硅材料股份公司 （以下简称"有研硅""公司"）全体股东利益，基于对公司未来发展前景的信心、对 公司价值的认可和切实履行社会责任，公司于2024年3月29日披露了《有研半导体硅材 料股份公司2024年度"提质增效重回报"行动方案》，并于2024年8月10日披露了《有 研硅关于公司2024年度"提质增效重回报"专项行动方案的半年度评估报告》。2024 年度，公司根据上述行动方案积极落实相关工作，在提升公司经营效率、加强市场竞 争力、保障投资者权益、树立良好资本市场形象等方面取得了一定成效。 为切实履行上市公司的责任和义务，回报投资者的信任，维护公司的市场形象， 公司结合自身发展和经营情况，制定了《2025年度"提质增效重回报"行动方案》， 对2024年方案执行情况进行总结，并提出了2025年主要措施。具体情况如下： 一、 推进主营业务发展，不断提升经营质量 2024年，面对瞬息万变的行业现状和日益激烈的市场竞争，公司持续开展新产品 、新技术研发，以技术降本、质量降本为主要抓手，坚持在提质增效、 ...