Summary of Key Points Core Viewpoint The report outlines the fundraising activities and the management of raised funds by Sanxiang New Materials Co., Ltd. for the first half of 2025, detailing the amount raised, its usage, and the management practices in place to ensure compliance with regulatory requirements. Group 1: Fundraising Overview - The company raised a total of RMB 22,000.00 million through a non-public offering of 11,066,400 shares at RMB 19.88 per share, with a net amount of RMB 21,607.63 million after deducting issuance costs [1][2] - As of December 31, 2024, the cumulative direct investment of the raised funds was RMB 15,524.13 million, leaving an unused balance of RMB 6,313.13 million [2] Group 2: Fund Management Practices - The company has established a fundraising management system to ensure the proper management and usage of the raised funds, in compliance with relevant regulations [2][3] - Funds are stored in dedicated accounts with strict approval processes for usage, ensuring that the funds are used for their intended purposes [3][4] Group 3: Fund Usage and Status - As of June 30, 2025, the company had not utilized any idle funds for cash management or temporary liquidity support, and there were no changes in the investment projects funded by the raised capital [6][7] - The total amount of raised funds invested in projects was RMB 16,125.87 million, with an additional RMB 601.75 million invested in the current year [8] Group 4: Compliance and Reporting - The company has adhered to the disclosure requirements set forth by regulatory bodies, ensuring timely and accurate reporting of the fundraising and usage status [7][8] - There were no significant changes in the feasibility of the projects funded by the raised capital, and no adjustments to the usage of the funds were reported [8]

证券代码：603663 证券简称：三祥新材 公告编号：2025-054 三祥新材股份有限公司 关于修订《公司章程》及办理工商变更登记的公告 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法律责任。 三祥新材股份有限公司（以下简称"三祥新材"或"公司"）于 2025 年 8 月 20 日召开第五届董事会第十次会议，审议通过了《关于取消监事会、修订< 公司章程>的议案》相关事项如下： 一、修订原因及依据 为进一步提高公司规范运作水平，根据《中华人民共和国公司法》、中国证 监会《关于新 <公司法> 配套制度规则实施相关过渡期安排》、《上市公司治理准 则（2025 年修订）》、《上市公司章程指引（2025 年修订）》等规定，结合公司实 际情况，公司将不再设置监事会，监事会的职责由董事会审计委员会行使，《公 司监事会议事规则》于公司股东大会审议通过后废止。现公司拟对《公司章程》 中的相关条款进行修订，具体修订的主要内容如下： 无"独立董事"节 新增"独立董事"节 删去原章程第二十一条、第三十四条、第三 十九条、第四十条、第六十七条、第一百零 二、 ...

Group 1 - The company is changing its fundraising project from an annual production of 1,500 tons of special ceramics and an advanced ceramic materials research laboratory to a new project for an annual production of 20,000 tons of zirconium and hafnium series products [1][4] - The amount of remaining fundraising redirected to the new project is 57.1133 million yuan, which accounts for 26.43% of the total fundraising [4][5] - The new project is expected to reach its intended operational status by September 2026 and gradually start generating revenue [1][4] Group 2 - The total investment for the new zirconium and hafnium project is estimated at 278.9127 million yuan, with 57.1133 million yuan planned to be funded from the remaining fundraising [8][9] - The project is anticipated to have a total investment return rate of 55.46% and a payback period of 3.3 years [8][9] - The company has a strong position in the zirconium industry, being one of the largest enterprises in the sector, which provides a competitive advantage for the new project [7][12] Group 3 - The decision to change the fundraising project is based on market demand fluctuations and the need to optimize resource allocation in line with the company's strategic development [5][6] - The new project aligns with national policies promoting the development of new materials and aims to enhance the self-sufficiency of critical strategic materials in China [12][13] - The company has already secured the necessary core technology for the new project, which is expected to leverage existing production capabilities [16]

General Provisions - The purpose of the implementation rules is to strengthen the decision-making function of the board of directors of Sanxiang New Materials Co., Ltd., ensuring effective supervision of the management by the board and improving corporate governance structure [1] - The Audit Committee is a specialized committee under the board of directors, responsible for reporting its work to the board [1] - The Audit Committee members must dedicate sufficient time and effort to fulfill their responsibilities, effectively supervising and evaluating internal and external audit work [1] Composition of the Committee - The Audit Committee consists of three directors, with independent directors making up the majority [2] - Committee members must be independent of the company's daily operations and should not hold senior management positions in the listed company [2] - All members must possess the professional knowledge and business experience necessary to fulfill the committee's responsibilities [2] Responsibilities and Authority - The Audit Committee is responsible for reviewing financial information and disclosures, supervising and evaluating internal and external audit work, and ensuring the integrity of financial reports [3] - Specific responsibilities include approving financial reports, hiring or dismissing external auditors, and overseeing changes in accounting policies or significant accounting errors [3][4] - The committee must ensure that any identified issues in financial reports are reported to the board and that corrective measures are implemented [4] External and Internal Audit Oversight - The committee evaluates the independence and professionalism of external auditors and discusses audit plans and significant findings with them [5] - It supervises the internal audit process, reviews annual internal audit plans, and ensures effective operation of the internal audit department [5][6] - The committee is tasked with assessing the effectiveness of internal controls and ensuring that any deficiencies are addressed [7] Decision-Making Procedures - The Audit Committee prepares for decision-making by reviewing relevant financial reports and audit findings [8] - Meetings are held regularly, with at least one quarterly meeting required, and can be convened as needed [9] - Decisions require a majority vote from committee members, and members must attend meetings in person or provide written opinions if unable to attend [10][11] Information Disclosure - The company must disclose the composition and professional background of the Audit Committee members, as well as their annual performance [11][12] - Any significant issues identified by the committee that meet disclosure standards must be reported promptly [12] - The company is required to disclose any opinions issued by the Audit Committee regarding major matters to the board [12]

证券代码：603663 证券简称：三祥新材 公告编号： 2025-052 三祥新材股份有限公司 关于召开 2025 年半年度业绩说明会的公告 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法律责任。 重要内容提示： ? 会议召开时间：2025 年 09 月 04 日（星期四）10:00-11:00 ? 会议召开地点：上海证券交易所上证路演中心（网址：https://roadshow. sseinfo.com/） ? 会议召开方式：上证路演中心网络互动 ? 投资者可于 2025 年 08 月 28 日（星期四）至 09 月 03 日（星期三）16: sx.com 进行提问。公司将在说明会上对投资者普遍关注的问题进行回答。 三祥新材股份有限公司（以下简称"公司"）已于 2025 年 8 月 22 日发布公司 营成果、财务状况，公司计划于 2025 年 09 月 04 日 （星期四）10:00-11:00 举行 一、说明会类型 本次投资者说明会以网络互动形式召开，公司将针对 2025 年半年度的经营 成果及财务指标的具体情况与投资者进行互动交 ...

Core Points - The company has established a system for the deferral and exemption of information disclosure to ensure compliance with legal obligations and protect its interests [1][2] - The system applies to all departments, branches, and subsidiaries of the company, requiring careful judgment on deferral or exemption matters [1][2] - Information can be deferred if it involves uncertainties or temporary business secrets that could harm the company or mislead investors [1][2][3] Summary by Sections General Provisions - The company aims to regulate the deferral and exemption of information disclosure in accordance with relevant laws and regulations [1] - The company must prudently assess whether to defer or exempt disclosure and is subject to post-regulation by the Shanghai Stock Exchange [1][2] Applicable Situations and Conditions - Information that is classified as state secrets or business secrets may be exempted from disclosure if it could violate confidentiality laws or harm the company and investors [2] - Business secrets are defined as non-public information that provides economic benefits and has been kept confidential [2] - Specific conditions for deferral or exemption include potential harm to the company or others if disclosed [2][3] Application and Approval - The company must establish an internal approval process for deferring or exempting disclosures, ensuring that relevant information is communicated to the securities affairs department [4][5] - The secretary of the board is responsible for documenting deferral or exemption matters, which must be retained for at least ten years [4][5] - Any deferral or exemption must be reported to the relevant regulatory bodies within ten days after the publication of periodic reports [5] Final Provisions - The system will be interpreted by the company's board of directors and will take effect upon approval [6]

三祥新材股份有限公司 信息披露管理制度 第一章 总则 前款"重大信息"，包括但不限于： 公司向股东、实际控制人及其他第三方报送文件涉及未公开重大信息，应 当及时向上交所报告，并依照上交所相关规定披露。 第一条 为确保三祥新材股份有限公司（以下简称"公司"）信息披露的及时、准 确、充分、完整，保护投资者合法权益，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》《上市公司信息 披露管理办法》《上海证券交易所股票上市规则》）（以下简称"《上市 规则》"）《上市公司信息披露暂缓与豁免管理规定》等法律、法规、规 范性文件及《三祥新材股份有限公司章程》（以下简称"《公司章程》"） 的有关规定，结合公司的实际，制定本制度。 第二条 本制度所称信息披露，是当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信息（以下简称"重大信息"）时，根据法律、 法规、规范性文件的规定及时将相关信息的公告文稿和相关备查文件报送 上交所（以下简称"上交所"）登记，并在中国证券监督管理委员会（以 下简称"中国证监会"）指定的媒体发布。 （一） 与《上市规则》规定的公司经营运营中可能影响投资者决策 ...

三祥新材股份有限公司 董事会战略与发展委员会实施细则 第一章 总 则 第一条 为适应公司战略发展需要，增强公司核心竞争力，确定公司发展 规划，健全投资决策程序，加强决策科学性，提高重大投资决策的效益和决策的 质量，完善公司治理结构，根据《中华人民共和国公司法》《上市公司治理准 则》《上海证券交易所上市公司自律监管指引第 1 号——规范运作》《公司章 程》及其他有关规定，公司特设立董事会战略与发展委员会，并制定本实施 细则。 第二条 董事会战略与发展委员会是董事会按照股东会决议设立的专门工 作机构，主要负责对公司长期发展战略和重大投资决策进行研究并提出建议。战 略与发展委员会必须遵守公司章程，在董事会授权的范围内独立行使职权，并 直接向董事会负责。 第二章 人员组成 第三条 战略与发展委员会由三名委员组成，设主任委员一名。 第四条 战略与发展委员会由董事组成。 第五条 战略与发展委员会的委员由董事会确定。主任委员由战略与发展 委员会的委员按一般多数原则选举产生。 第六条 战略与发展委员会任期与董事会任期一致，委员任期届满，可以 连选连任。期间如有委员不再担任公司董事职务，自动失去委员资格，并由委员 会根据上述规 ...

第一章 总 则 第一条 为了建立健全三祥新材股份有限公司(以下简称"公司")内部审计 制度，加强公司内部管理和控制，促进公司内部各管理层行为的合法性、合规 性，为管理层正确决策提供可靠的信息和依据，根据《中华人民共和国公司 法》《中华人民共和国证券法》《中华人民共和国审计法》《上海证券交易所 股票上市规则》《企业内部控制基本规范》、审计署《关于内部审计工作的规 定》和《公司章程》等的有关规定，结合公司具体情况，制定本制度。 三祥新材股份有限公司 内部审计制度 第二条 本制度所称内部审计，是指由公司内部设立的审计部和内部审计人 员通过独立客观的监督，对公司的内部控制和风险管理的有效性、财务信息的 真实性和完整性以及经营活动的效率和效果等开展的一种评价活动，以确保公 司经营目的的实现。 第三条 本制度所称内部控制，是指公司为了保证公司战略目标的实现，而 对公司战略制定和经营活动中存在的风险予以管理的相关制度安排。它是由公 司董事会、管理层及全体员工共同参与的一项活动；是指公司董事会、高级管 理人员及其他有关人员为实现下列目标而提供合理保证的过程： （一）遵守国家法律、法规、规章及其他相关规定； （二）提高公司经营 ...

三祥新材股份有限公司 董事会薪酬与考核委员会实施细则 第一章 总 则 第一条 为进一步建立健全三祥新材股份有限公司(以下简称"公司")董 事（非独立董事）及高级管理人员的考核与薪酬管理制度，完善公司治理结构， 根据《中华人民共和国公司法》《上市公司治理准则》《上市公司独立董事管理办 法》《公司章程》及其它有关规定，公司特设立董事会薪酬与考核委员会，并制 定本实施细则。 第二条 薪酬与考核委员会是董事会按照股东会决议设立的专门工作机构， 主要负责制定公司董事及高级管理人员的考核标准并进行考核；负责制定、审查 公司董事及高管的薪酬政策与方案，对董事会负责。 第六条 薪酬与考核委员会设主任委员（召集人）一名，由独立董事委员 担任，负责主持委员会工作；主任委员在委员内选举，并报请董事会批准产生。 第七条 薪酬与考核委员会任期与董事会任期一致，委员任期届满，可以 连选连任。期间如有委员不再担任公司董事职务或应当具有独立董事身份的委员 不再具备法律、法规和规范性文件、《上海证券交易所股票上市规则》或《公司 章程》所规定的独立性，自动失去委员资格，并由委员会根据第四至第六条规定 补足委员人数。 第八条 薪酬与考核委员会可下 ...