二、监事会会议审议情况 会议经全体监事讨论后形成如下决议： 公司《2025 年半年度报告》及《2025 年半年度报告摘要》的内容真实、准 确、完整地反映了公司 2025 年半年度经营的实际情况，不存在任何虚假记载、 误导性陈述或者重大遗漏；报告编制和审核的程序符合法律、行政法规的要求， 符合中国证监会和深交所的相关规定。 山东潍坊润丰化工股份有限公司 第四届监事会第二十六次会议决议公告 本公司及监事会全体成员保证信息披露内容真实、准确、完整，没有虚 假记载、误导性陈述或重大遗漏。 一、监事会会议召开情况 山东潍坊润丰化工股份有限公司（以下简称"公司"）于 2025 年 8 月 20 日在公司会议室以现场与通讯表决相结合的方式召开了第四届监事会第二十六 次会议。会议通知于 2025 年 8 月 8 日以书面通知的形式送达给全体监事。会议 应到监事 3 人，实到 3 人。会议由公司监事会主席孙建国先生召集和主持。本次 会议的召集和召开符合《中华人民共和国公司法》《深圳证券交易所上市公司自 律监管指引第 2 号——创业板上市公司规范运作》和《山东潍坊润丰化工股份有 限公司章程》的有关规定。 证券代码：301035 ...

证券代码：301035 证券简称：润丰股份 公告编号：2025-043 山东潍坊润丰化工股份有限公司 关于召开 2025 年第二次临时股东大会的通知 本公司及董事会全体成员保证信息披露内容真实、准确、完整，没有虚 假记载、误导性陈述或重大遗漏。 山东潍坊润丰化工股份有限公司（以下简称"公司"）于2025年8月20日召开 了第四届董事会第二十八次会议，审议通过了《关于召开2025年第二次临时股东 大会的议案》。公司计划于2025年9月8日（星期一）召开2025年第二次临时股东 大会。现将本次股东大会的有关事项通知如下： 一、召开会议的基本情况 本次会议为2025年第二次临时股东大会。 本次股东大会的召集人为董事会。 （2）网络投票：本次股东大会通过深圳证券交易所交易系统和互联网投票系 统（http://wltp.cninfo.com.cn）向全体股东提供网络形式的投票平台，股权 登记日登记在册的公司股东可以在上述网络投票时间内通过上述系统行使表决 权。 （3）股东大会股权登记日登记在册的所有股东，均有权通过相应的投票方式 行使表决权，股东应选择现场投票、网络投票的一种方式，如果同一表决权出现 重复投票表决的，以 ...

Core Points - The company has established a set of regulations to manage foreign exchange derivative trading, ensuring compliance with relevant laws and safeguarding asset security [1][8] - The foreign exchange derivative trading activities are aimed at hedging against currency and interest rate risks, and must not involve speculation or arbitrage [2][3] - All foreign exchange derivative transactions must be conducted with qualified financial institutions approved by the State Administration of Foreign Exchange and the People's Bank of China [2][3] Summary by Sections Chapter 1: General Provisions - The regulations are designed to standardize the company's foreign exchange derivative trading and related information disclosure [1] - The term "foreign exchange derivative trading" includes various financial instruments used to mitigate currency and interest rate risks [1] Chapter 2: Operating Principles and Procedures - The company must adhere to principles of legality, prudence, safety, and effectiveness in foreign exchange derivative trading [2] - Transactions must be based on forecasts of foreign currency receipts and payments, and the amounts involved should not exceed these forecasts [2][3] Chapter 3: Approval Procedures - All foreign exchange derivative transactions require board approval, especially those exceeding 20% of the latest audited net assets or 50 million yuan [3][4] - The management is responsible for executing transactions within the approved limits [4] Chapter 4: Information Disclosure - The company’s securities department is responsible for ensuring compliance with disclosure requirements related to foreign exchange derivative trading [5][6] - Any significant risks or losses must be disclosed promptly through temporary announcements [5] Chapter 5: Information Isolation Measures - All personnel involved in foreign exchange derivative trading must adhere to confidentiality protocols [6] Chapter 6: Internal Risk Reporting and Management Procedures - The company must implement measures to assess and mitigate risks associated with foreign exchange derivative trading [7] - The finance department is tasked with monitoring market prices and evaluating risks related to counterparties [7][8] Chapter 7: Supplementary Provisions - Any matters not covered by these regulations will be governed by relevant national laws and regulations [8]

山东潍坊润丰化工股份有限公司 第一章 总则 第一条 为规范山东潍坊润丰化工股份有限公司(以下简称"公司") 信息披露 暂缓与豁免行为，确保公司及相关信息披露义务人依法依规履行信息披露义务， 保护投资者的合法权益，根据《中华人民共和国证券法》《上市公司信息披露暂 缓与豁免管理规定》《深圳证券交易所创业板股票上市规则》《深圳证券交易所 上市公司自律监管指引第 5 号——信息披露事务管理》等法律法规、规范性文 件及《山东潍坊润丰化工股份有限公司章程》的有关规定，结合公司实际情况， 特制定本制度。 第二条 公司和相关信息披露义务人按照《深圳证券交易所创业板股票上市 规则》及深圳证券交易所其他相关业务规则的规定，办理信息披露暂缓、豁免事 务的，适用本制度。 第三条 公司和相关信息披露义务人应当真实、准确、完整、及时、公平地 披露信息，不得滥用暂缓或者豁免披露规避信息披露义务、误导投资者，不得实 施内幕交易、操纵市场等违法行为。 第四条 公司和相关信息披露义务人应当审慎确定信息披露暂缓、豁免事项， 履行内部审核程序后实施，并采取有效措施防止暂缓或豁免披露的信息泄露，以 及接受深圳证券交易所对有关信息暂缓、豁免披露事项的事 ...

General Provisions - The company establishes a procedure for the resignation of directors to ensure the stability and continuity of its governance structure and protect the legal rights of the company and its shareholders [1] - This procedure applies to all directors, including independent directors, who leave due to term expiration, voluntary resignation, dismissal, or other reasons [1] Resignation Circumstances and Effectiveness - Directors can resign before their term ends by submitting a written resignation report, which becomes effective upon receipt by the company [3] - If a director's term expires without re-election, they automatically leave on the date the shareholders' meeting resolution is passed [2] - The company must disclose the resignation details within two trading days and complete the re-election within sixty days to ensure compliance with legal and regulatory requirements [2][3] Transfer Procedures and Unresolved Matters - After resignation, directors must complete handover procedures within ten working days, transferring all relevant documents and data to the board [3] - Resigning directors must cooperate with the company in follow-up audits related to significant matters during their tenure [3] Obligations of Resigning Directors and Company Accountability - Resigning directors remain obligated to maintain confidentiality regarding the company's trade secrets even after leaving [4] - Directors who leave without proper justification may seek compensation from the company [3][4] Management of Shareholdings by Resigning Directors - Directors must comply with regulations regarding insider trading and must report their personal information to the company within two trading days after resignation [5] - Resigning directors are prohibited from transferring their shares within six months of leaving the company [5] Additional Provisions - The established procedures also apply to senior management personnel [6] - The board is responsible for interpreting and amending these procedures, which take effect upon approval by the board [6]

山东潍坊润丰化工股份有限公司 第一章 总则 第一条 为了进一步提高山东潍坊润丰化工股份有限公司（以下简称"公司"） 规范运作水平，加大对年报信息披露责任人的问责力度，提高年报信息披露的质 量和透明度，增强年报信息披露的真实性、准确性、完整性和及时性，根据《中 华人民共和国公司法》 《中华人民共和国证券法》 （以下简称"《证券法》"）、 《上 市公司信息披露管理办法》 《深圳证券交易所创业板股票上市规则》 《深圳证券交 易所上市公司自律监管指引第 2 号——创业板上市公司规范运作》及《山东潍坊 润丰化工股份有限公司章程》（以下简称"《公司章程》"）等有关规定，制定本 制度。 第二条 年报信息披露重大差错责任追究制度是指公司年报信息披露工作中 有关人员不履行或者不正确履行职责、义务或其他个人原因，对公司造成重大经 济损失或造成不良社会影响时的责任认定、追究与处理制度。 本制度适用于公司控股股东及实际控制人、董事、高级管理人员、公司各部 门负责人以及与年报信息披露有关的其他工作人员。 第三条 公司有关人员应当严格执行《企业会计准则》 （含基本准则和具体准 则，下同）及相关规定，严格遵守公司与财务报告相关的内部控制制 ...

山东潍坊润丰化工股份有限公司 为规范总裁办公会决策事项的议事程序，确保公司经营班子依法行使职权、履行职 责、承担义务、提高议事效率，根据《公司章程》《总裁工作细则》，制订本制度。 本制度所提总裁班子由总裁、副总裁、财务总监组成。 总裁办公会是总裁班子对董事会授权下的公司经营管理中的重要和重大事项进行 决策和处理的重要机制，除须由股东会、董事会审议通过批准的事项外，公司经营管理 的重大事项由总裁办公会审议、决定。 对分歧较大、意见不集中的事项，总裁有最终决定权，总裁认为必要时可提交董事会审 议。 总裁办公会决议违反法律法规、公司章程、董事会授权，致使公司遭受损失的，参与决 议的人员应负相应责任。参与决议的人员经证明在会议表决时曾表明异议并在会议记录 中有明确记载的，可免除相应责任。 注：决定有关员工工资、福利、安全生产、环境保护以及劳动保护、劳动保险等涉 及员工集体切身利益的问题时，应当事先听取职工代表大会或其他相关意见，与此相关 的重大管理制度和规章应当提交职工代表大会或相关会议审议通过。 提议可随时召开。有下列情形之一的，召开临时会议： 召集和主持。 席或列席会议；与审议或讨论事宜相关的管理、技术、业务人员 ...

Core Viewpoint - The company establishes a comprehensive framework for external donations to enhance its social responsibility and corporate image while ensuring compliance with relevant laws and regulations [1][2]. Group 1: Definition and Principles of External Donations - External donations are defined as contributions made by the company to assist in social welfare activities, including disaster relief and support for vulnerable groups [2]. - Company stakeholders, including shareholders and executives, are prohibited from making donations in their personal capacity using company assets [2]. - Donations must not be used to gain advantages in financing, market access, or other resources, nor should they be conducted for profit [2]. Group 2: Scope, Types, and Beneficiaries of Donations - The company can donate cash and physical assets, but not essential fixed assets or any property that is damaged or expired [3]. - Types of donations include support for vulnerable groups, disaster relief, and contributions to public welfare projects [3]. - Beneficiaries of donations must be public welfare organizations, non-profit entities, or vulnerable individuals [3]. Group 3: Decision-Making Procedures and Rules for Donations - Donations must comply with national laws and the company's internal regulations, with specific approval processes based on the donation amount [4]. - Donations up to 3 million yuan require board approval, while those exceeding this amount need both board and shareholder approval [4]. - Each donation must be documented and reported, with evaluations conducted post-donation to assess impact [4].

证券代码：301035 证券简称：润丰股份 公告编号：2025-042 山东潍坊润丰化工股份有限公司 关于 2025 年半年度利润分配方案的公告 本公司及董事会全体成员保证信息披露内容真实、准确、完整，没有虚 假记载、误导性陈述或重大遗漏。 一、利润分配方案的审议程序 山东潍坊润丰化工股份有限公司（以下简称"公司"）于 2025 年 8 月 20 日召开第四届董事会第二十八次会议，审议通过《关于 2025 年半年度利润分配 方案的议案》，根据公司 2024 年年度股东大会审议通过的《关于提请股东大会 授权董事会制定 2025 年中期分红事项的议案》，股东大会授权公司董事会制定 具体的中期分红方案，因此本次利润分配方案无需再次提交股东大会审议。 公司于 2025 年 8 月 20 日召开第四届董事会审计委员会第十四次会议和第四 届监事会第二十六次会议，审议通过《关于 2025 年半年度利润分配方案的议案》。 经审核，审计委员会、监事会认为，公司拟定的 2025 年半年度利润分配方案， 符合公司实际情况，充分考虑了对广大投资者的合理投资回报，有利于公司的持 续稳定健康发展，符合相关法律、法规以及《公司章程》的规定 ...

Buyback and Shareholder Actions - Sinopec plans to repurchase A-shares with a total fund of no less than RMB 5 billion and no more than RMB 10 billion, potentially reducing its registered capital [1] - Hengbang Mining intends to reduce its stake in the Hong Kong-listed company, WanGuo Gold, by up to 40 million shares, representing approximately 3.69% of WanGuo's total share capital [5] Product Approvals and Market Launches - Wantai Biological's nine-valent HPV vaccine has received the batch release certificate, marking its official market launch and enhancing the company's product lineup [1] - Changchun High-tech's subsidiary has received acceptance for the clinical trial application of GenSci143, a dual-specific antibody drug, which may provide new treatment options for certain tumors [7] Financial Performance - Hongxin Electronics reported a 15.01% increase in revenue to RMB 3.494 billion and a 9.85% rise in net profit to RMB 53.99 million for the first half of 2025 [2] - Sanwei Xinan experienced a net loss of RMB 29.39 million in the first half of 2025, despite a 15.19% increase in revenue to RMB 195 million [3] Corporate Developments - TianTan Bio received a commitment from its controlling shareholder to resolve new competition issues arising from a recent acquisition [4] - Feilu Co. announced a potential change in control, leading to a temporary suspension of its stock trading [8] Investment and Expansion - Jinbei Electric's subsidiary has signed a purchase agreement for a factory in Europe, marking significant progress in establishing its European production base [1] - Shengshi Technology plans to establish a wholly-owned subsidiary to integrate AI and humanoid robot technology with innovative toy products, investing RMB 10 million [6]