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 证券代码：688432 证券简称：有研硅 公告编号：2025-014 关于续聘 2025 年度会计师事务所的公告 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、准确性和完整性承担个别及连带责任。 重要内容提示： ●聘任的会计师事务所名称：普华永道中天会计师事务所（特殊普通合伙） （以下简称"普华永道中天"）。 一、 聘任会计师事务所的基本情况 （一）机构信息 1、基本信息 普华永道中天前身为 1993 年 3 月 28 日成立的普华大华会计师事务所，经批 准于 2000 年 6 月更名为普华永道中天会计师事务所有限公司；经 2012 年 12 月 24 日财政部财会函[2012]52 号批准，于 2013 年 1 月 18 日转制为普华永道中天 会计师事务所（特殊普通合伙）。注册地址为中国（上海）自由贸易试验区陆家 嘴环路 1318 号星展银行大厦 507 单元 01 室。 普华永道中天拥有会计师事务所执业证书，具备从事 H 股企业审计业务的资 质，同时也是原经财政部和证监会批准的具有证券期货相关业务资格的会计师事 务所。此外， ...

有研半导体硅材料股份公司 根据《中华人民共和国公司法》、《中华人民共和国证券法》、《国有企 业、上市公司选聘会计师事务所管理办法》和《上海证券交易所科创板上市公 司自律监管指引第 1 号——规范运作》等相关规范性文件的规定，以及公司 《董事会审计委员会实施细则》、《董事会审计委员会年报工作规程》的有关 规定，现将有研半导体硅材料股份公司（以下简称"公司"）2024 年度会计师 事务所的履职情况评估报告汇报如下： 按照《审计业务约定书》，遵循《中国注册会计师审计准则》和其他执业 规范，结合公司 2024 年年报工作安排普华永道中天会计师事务所（特殊普通合 伙）（以下简称"普华永道中天"）对公司 2024 年度财务报告及 2024 年 12 月 31 日的财务报告内部控制的有效性进行了审计，同时对公司募集资金存放与实 际使用情况、控股股东及其他关联方资金占用情况进行核查并出具了专项报告。 在执行审计工作的过程中，普华永道中天就会计师事务所和相关审计人员 的独立性、审计工作小组的人员构成、审计计划、风险判断、风险及舞弊的测 试和评价方法、年度审计重点、审计调整事项、初审意见等与公司董事会审计 委员会、独立董事以及公 ...

公司代码：688432 公司简称：有研硅 根据《企业内部控制基本规范》及其配套指引的规定和其他内部控制监管要求（以下简称企业内部 控制规范体系），结合本公司（以下简称公司）内部控制制度和评价办法，在内部控制日常监督和专项 监督的基础上，我们对公司2024年12月31日（内部控制评价报告基准日）的内部控制有效性进行了评价。 一. 重要声明 有研半导体硅材料股份公司 2024 年度内部控制评价报告 按照企业内部控制规范体系的规定，建立健全和有效实施内部控制，评价其有效性，并如实披露内 部控制评价报告是公司董事会的责任。监事会对董事会建立和实施内部控制进行监督。经理层负责组织 领导企业内部控制的日常运行。公司董事会、监事会及董事、监事、高级管理人员保证本报告内容不存 在任何虚假记载、误导性陈述或重大遗漏，并对报告内容的真实性、准确性和完整性承担个别及连带法 律责任。 有研半导体硅材料股份公司全体股东： 公司内部控制的目标是合理保证经营管理合法合规、资产安全、财务报告及相关信息真实完整，提 高经营效率和效果，促进实现发展战略。由于内部控制存在的固有局限性，故仅能为实现上述目标提供 合理保证。此外，由于情况的变化可能导 ...