Core Points - The company has raised a total of RMB 1,854.59 million through its initial public offering, with a net amount of RMB 1,663.97 million after deducting issuance costs [1] - As of June 30, 2025, the company has utilized RMB 1,000.56 million of the raised funds, leaving a balance of RMB 635.77 million [1][4] - The company has established a management system for the raised funds to ensure compliance with relevant regulations and protect investor interests [1] Fundraising Overview - The company issued 187.14 million shares at a price of RMB 9.91 per share, resulting in total fundraising of RMB 1,854.59 million [1] - After deducting issuance costs, the actual net amount raised was RMB 1,663.97 million [1] - The company has cumulatively used RMB 1,000.56 million from the raised funds in previous years [1] Fund Utilization - In the current year, the company has used RMB 81.41 million of the raised funds [4] - The remaining balance of the raised funds as of June 30, 2025, is RMB 635.77 million [1][4] - The company has not engaged in any temporary use of idle funds to supplement working capital during the reporting period [2][4] Fund Management - The company has signed tripartite and quadripartite agreements with its sponsor and banks to regulate the storage and management of the raised funds [1] - The company has implemented a cash management strategy for idle funds, allowing for investment in low-risk financial products [3] - The total amount of idle funds used for cash management is capped at RMB 800 million [3] Project Status - The company has not made any changes to the fundraising investment projects during the reporting period [4] - There have been no instances of early investment or replacement of fundraising projects [4] - The company has reported that the progress of certain projects has been delayed due to market demand fluctuations and other objective factors [4]

证券代码：688432 证券简称：有研硅 公告编号：2025-026 有研半导体硅材料股份公司 关于取消监事会、修订《公司章程》、制定和修订 部分公司治理制度的公告 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。 有研半导体硅材料股份公司（以下简称"公司"）于 2025 年 8 月 12 日召开 第二届董事会第十次会议审议通过了《关于公司取消监事会、修订 <公司章程> 并办理工商变更登记的议案》 《关于制定和修订部分公司治理制度的议案》，现将 相关情况公告如下： 一、取消公司监事会并修订《公司章程》及相关制度的原因及依据 为进一步完善公司治理结构，促进公司规范运作，根据《中华人民共和国公 司法》《上市公司章程指引（2025 年修订）》《上海证券交易所科创板股票上 市规则（2025 年 4 月修订）》等法律法规及规范性文件的规定，结合公司实际 情况，公司将不再设置监事会和监事，监事会的职权由董事会审计委员会行使。 《有研半导体硅材料股份公司监事会议事规则》等监事会相关制度相应废止。同 时《有研半导体硅材料股份公司章程》（以下 ...

公司参股公司发生的关联交易虽未达到本制度规定标准但可能对公司股票及 其衍生品种交易价格产生重大影响的，公司应当参照本制度的规定履行信息披露义 务。 第三条 公司的关联交易应当遵循以下基本原则： （一）诚实信用、平等、自愿、公平、公开、公允的原则，不得损害公司和 其他股东的利益； 有研半导体硅材料股份公司 关联交易管理制度 第一章 总则 第一条 为规范有研半导体硅材料股份公司（以下简称"公司"）及其控股 子公司与公司关联人之间的关联交易，防止关联交易损害公司及中小股东的利 益，根据《中华人民共和国公司法》等法律、法规、规范性文件和《有研半导体 硅材料股份公司章程》（以下简称"《公司章程》"），制定本制度。 第二条 公司全资、控股子公司（以下合称"子公司"）发生的关联交易行为 适用本制度。公司子公司应在其董事会（不设董事会的董事）或股东会（股东） 作出决议后及时通知公司履行有关信息披露的义务。 公司参股公司发生的关联交易行为，原则上按照公司在该参股公司的持股比例 适用本制度的规定。 （二）确定关联交易价格时，应遵循公平、公正、公开以及等价有偿的原则， 并以书面协议方式予以确定； （三）在必需的关联交易中，关联董事 ...

有研半导体硅材料股份公司 对外担保管理制度 第一章 总则 第一条 为维护公司股东和投资者的利益，规范公司的对外担保行为，控制 公司资产运营风险，促进公司健康稳定地发展，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》、《中华人民共和国民 法典》（以下简称"《民法典》"）等法律、法规、规范性文件和《有研半导体 硅材料股份公司章程》（以下简称"《公司章程》"），制定本制度。 第二条 本制度适用于公司为他人提供下列担保的行为：被担保企业因向金 融机构贷款、票据贴现、融资租赁等原因向公司申请为其提供担保，其中包括公 司、公司全资子公司、公司控股子公司和公司拥有实际控制权的参股公司的对外 担保。 本公司为子公司提供的担保视同对外担保。 第三条 本制度所称"对外担保"，是指公司以第三人的身份为债务人对于 债权人所负的债务提供担保，当债务人不履行债务时，由公司按照约定履行债务 或者承担责任的行为。担保形式包括但不限于保证、抵押及质押。 本制度所称"公司及其控股子公司的对外担保总额"，是指包括公司对控股 子公司担保在内的公司对外担保总额与公司控股子公司对外担保总额之和。 公司控股子公司或实际 ...

Core Points - The document outlines the rules for the shareholders' meeting of Youyan Semiconductor Silicon Materials Co., Ltd, ensuring compliance with relevant laws and regulations [2][3] - The company must hold annual and temporary shareholders' meetings as per the stipulated timelines and conditions [4][5] - Legal opinions must be obtained for the meeting's procedures, participant qualifications, and voting results [3][4] Group 1: General Provisions - The rules are established to standardize company behavior and ensure shareholders can exercise their rights legally [2] - The board of directors is responsible for organizing the shareholders' meetings diligently and on time [2][3] - Shareholders' meetings can be classified into annual and temporary meetings, with specific conditions for calling temporary meetings [4][5] Group 2: Meeting Convening - The board must convene the shareholders' meeting within the specified timeframe and respond to independent directors' requests for temporary meetings [6][7] - Shareholders holding more than 10% of shares can request a temporary meeting, and the board must respond within ten days [5][6] - If the board fails to convene a meeting, the audit committee or shareholders can independently call for a meeting [6][7] Group 3: Proposals and Notifications - Proposals must fall within the shareholders' meeting's authority and be clearly defined [13][14] - Shareholders holding at least 1% of shares can submit proposals ten days before the meeting [13][14] - Notifications for annual and temporary meetings must be sent out within specified timeframes [15][16] Group 4: Meeting Procedures - The meeting must be held at the company's registered address or a specified location, allowing for both in-person and remote participation [20][21] - The board must ensure the meeting's order and address any disruptions [22][23] - All shareholders registered by the record date have the right to attend and vote at the meeting [24][25] Group 5: Voting and Resolutions - Voting must be conducted in a transparent manner, with results announced immediately [38][39] - Resolutions must be documented accurately, including details of attendees and voting results [41][42] - The company must implement resolutions regarding dividends or capital increases within two months after the meeting [44][45]

Core Points - The document outlines the rules for the board of directors of Youyan Semiconductor Silicon Materials Co., Ltd, aiming to standardize meeting procedures and decision-making processes [1][2][3] Chapter 1: General Principles - The board of directors is established to be accountable to the shareholders' meeting and is supported by a secretary's office for daily operations [1][2] Chapter 2: Board Meeting Convening - The board must hold at least two regular meetings annually, with the chairman responsible for convening and notifying members ten days in advance [2][4] - Proposals for temporary meetings can be made by shareholders holding over 10% of voting rights or by a majority of independent directors [2][3] Chapter 3: Meeting Procedures - Meetings require a majority of directors to be present to proceed, and directors must attend in person unless they provide a valid reason for absence [12][10] - Voting is conducted by written ballot, with options for approval, disapproval, or abstention [17][18] Chapter 4: Resolutions and Records - Resolutions require a majority approval from attending directors, and specific conditions apply for related party transactions [19][20] - Meeting records must include details such as date, attendees, agenda, and voting results [25][26] Chapter 5: Supplementary Provisions - The rules will take effect after approval by the shareholders' meeting and will be interpreted by the board of directors [33][34]

Core Points - The company is named GRINM Semiconductor Materials Co., Ltd., established as a joint-stock company in accordance with Chinese laws [2][3] - The company was registered on September 6, 2022, and publicly issued 187,143,158 shares, listing on the Shanghai Stock Exchange on November 10, 2022 [2][3] - The registered capital of the company is RMB 1,247,621,058 [3] Company Structure - The company is located in the Shunyi District of Beijing [3] - The company is designed for permanent existence as a joint-stock company [3] - The General Manager serves as the legal representative of the company [3] Share Issuance and Capital - The shares are issued in the form of stocks, adhering to principles of openness, fairness, and justice [6] - The company has issued a total of 1,247,621,058 shares, all of which are ordinary shares [6][21] - Shareholders are only liable for the company's debts to the extent of their subscribed shares [3] Business Objectives and Scope - The company's business objective is to enhance economic cooperation and promote technological development, providing high-quality products and services [4] - The business scope includes the production and research of heavily doped arsenic silicon single crystals, zone-melted silicon single crystals, and related technical services [4] Shareholder Rights and Responsibilities - Shareholders have rights to dividends, attend meetings, supervise operations, and access company documents [12] - Shareholders must comply with laws and the company's articles of association, and they cannot withdraw their capital except as legally permitted [40] Governance and Decision-Making - The company’s governance structure includes a board of directors and a shareholder meeting, which is the power organ of the company [46] - Major decisions, such as capital increases or decreases, mergers, and profit distribution, require shareholder approval [46][47] Related Transactions and Approvals - Transactions involving significant amounts or related parties must be submitted for shareholder approval [19][21] - The company must disclose any guarantees provided and ensure that they do not exceed specified limits [20] Meeting Procedures - Annual shareholder meetings must be held within six months after the end of the fiscal year, while temporary meetings can be called under specific circumstances [50][51] - Shareholders can propose agenda items for meetings, and notifications must include detailed information about the proposals [60][63]

有研半导体硅材料股份公司 对外担保管理制度 第一章 总则 第一条 为维护公司股东和投资者的利益，规范公司的对外担保行为，控制 公司资产运营风险，促进公司健康稳定地发展，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》、《中华人民共和国民 法典》（以下简称"《民法典》"）等法律、法规、规范性文件和《有研半导体 硅材料股份公司章程》（以下简称"《公司章程》"），制定本制度。 第二条 本制度适用于公司为他人提供下列担保的行为：被担保企业因向金 融机构贷款、票据贴现、融资租赁等原因向公司申请为其提供担保，其中包括公 司、公司全资子公司、公司控股子公司和公司拥有实际控制权的参股公司的对外 担保。 本公司为子公司提供的担保视同对外担保。 第三条 本制度所称"对外担保"，是指公司以第三人的身份为债务人对于 债权人所负的债务提供担保，当债务人不履行债务时，由公司按照约定履行债务 或者承担责任的行为。担保形式包括但不限于保证、抵押及质押。 本制度所称"公司及其控股子公司的对外担保总额"，是指包括公司对控股 子公司担保在内的公司对外担保总额与公司控股子公司对外担保总额之和。 公司控股子公司或实际 ...

有研半导体硅材料股份公司 1 / 5 重大信息内部报告制度 第一章 总 则 第一条 为规范公司的重大信息内部报告工作，保证公司内部重大信息的快 速传递、归集和有效管理，确保公司信息披露的真实、及时、准确、完整，维护 投资者的合法权益，根据《中华人民共和国公司法》、《中华人民共和国证券法》、 《上市公司信息披露管理办法》以及《有研半导体硅材料股份公司章程》（以下 简称"《公司章程》"）等有关规定，制定本制度。 第二条 重大信息内部报告制度是指当出现、发生或即将发生可能对公司股 票及其衍生品种的交易价格产生较大影响的任何情形或事件时，按照本制度负有 报告义务的有关人员和部门，应及时将有关信息向公司董事长和董事会秘书报告 的制度。 第三条 公司总经理、副总经理、公司各部门负责人、公司控股子公司董事 长和总经理、公司委派参股子公司的董事、监事和高级管理人员负有向公司董事 长和董事会秘书报告其职权范围内所知内部重大信息的义务。 公司股东、实际控制人等相关信息披露义务人，在出现本制度规定的情形时 应及时将有关信息向公司董事长和董事会秘书报告。 第四条 证券部是公司信息披露的管理部门，公司负有报告义务的有关人员 负有向证券 ...

独立董事工作制度 第一章 总则 第一条 为完善公司的法人治理结构，强化对董事会及管理层的约束和监督 机制，更好地维护中小股东利益，促进有研半导体硅材料股份公司（以下简称"公 司"）的规范运作，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》等法律、法规、规范性文件和《有研半导体 硅材料股份公司章程》（以下简称"《公司章程》"），制定本制度。 第二条 独立董事是指符合法律法规规范性文件规定的，不在公司担任除独 立董事外的任何其他职务，并与公司及公司主要股东、实际控制人不存在直接或者 间接利害关系，或者其他可能妨碍其进行独立客观判断关系的董事。 第三条 独立董事对公司及全体股东负有忠实与勤勉义务。独立董事应当按 照相关法律、法规、规章及规范性文件和《公司章程》的要求，认真履行职责，在 董事会中发挥参与决策、监督制衡、专业咨询作用，维护公司整体利益，尤其要关 注中小股东的合法权益不受损害。 第四条 独立董事应当独立履行职责，不受公司及其主要股东、实际控制人 或者其他与公司存在利害关系的单位或个人的影响。若发现所审议事项存在影响其 独立性的情况，应当向公司申明并实行回避。 第五条 独 ...