二、 注册会计师的责任 我们的责任是在实施审计工作的基础上，对财务报告内部控制 的有效性发表审计意见，并对注意到的非财务报告内部控制的重大 缺陷进行披露。 三、 内部控制的固有局限性 山东同大海岛新材料股份有限公司 内部控制审计报告 信会师报字[2025]第 ZH10148 号 内部控制审计报告 信会师报字[2025]第 ZH10148 号 山东同大海岛新材料股份有限公司全体股东： 按照《企业内部控制审计指引》及中国注册会计师执业准则的 相关要求，我们审计了山东同大海岛新材料股份有限公司（以下简 称同大股份）2024 年 12 月 31 日的财务报告内部控制的有效性。 一、 企业对内部控制的责任 按照《企业内部控制基本规范》、《企业内部控制应用指引》、 《企业内部控制评价指引》的规定，建立健全和有效实施内部控制， 并评价其有效性是同大股份董事会的责任。 内部控制具有固有局限性，存在不能防止和发现错报的可能性。 此外，由于情况的变化可能导致内部控制变得不恰当，或对控制政 策和程序遵循的程度降低，根据内部控制审计结果推测未来内部控 制的有效性具有一定风险。 内控审计报告 第 1 页 四、 财务报告内部控制审计意见 ...

山东同大海岛新材料股份有限公司 2024 年度独立董事述职报告 （冯琳珺） 尊敬的各位股东及股东代表： 本人作为山东同大海岛新材料股份有限公司（以下简称"公司"）的第六届 董事会独立董事，根据《公司法》《证券法》《上市公司治理准则》《上市公司 独立董事管理办法》《深圳证券交易所创业板股票上市规则》等有关法律、法规 以及《公司章程》《独立董事制度》等公司制度的规定，在 2024 年度任职期间， 高度关注公司发展战略，主动了解掌握公司经营状况，积极参加公司相关会议， 认真审议各项议案并发表意见，切实履行了独立董事的各项职责和义务，审慎行 使了公司和股东所赋予的权利，维护了全体股东的合法利益，充分发挥独立董事 的作用。现将 2024 年度本人履行独立董事职责情况报告如下： 一、独立董事的基本情况： （一）工作履历、专业背景及兼职情况 冯琳珺，女，1981 年出生，中共党员，无境外永久居留权，硕士。曾任北 京中银律师事务所律师。现任同大股份第六届董事会独立董事，中博华信（北京） 私募基金管理有限公司总裁、东源华信（北京）资本管理有限公司董事、北京京 科信拓生物技术有限公司董事、北京马力喏生物科技有限公司董事、德必碁生 ...

山东同大海岛新材料股份有限公司 2024 年度独立董事述职报告 （王 京） 尊敬的各位股东及股东代表： 本人作为山东同大海岛新材料股份有限公司（以下简称"公司"）的第六届 董事会独立董事，根据《公司法》《证券法》《上市公司治理准则》《上市公司 独立董事管理办法》《深圳证券交易所创业板股票上市规则》等有关法律、法规 以及《公司章程》《独立董事制度》等公司制度的规定，在 2024 年度任职期间， 主动了解掌握公司经营状况，积极参加公司相关会议，认真审议各项议案并发表 意见，切实履行了独立董事的各项职责和义务，审慎行使了公司和股东所赋予的 权利，维护了全体股东的合法利益，充分发挥独立董事的作用。现将 2024 年度 本人履行独立董事职责情况报告如下： 一、独立董事的基本情况： （一）工作履历、专业背景及兼职情况 王京，男，1987 年出生，中共党员，无境外永久居留权，毕业于中国海洋 大学财务管理专业，获同校企业管理专业硕士研究生学位、会计学博士研究生学 位、应用经济学博士后。历任潍坊泰玛工贸有限公司财务负责人、中国海洋大学 讲师。现任同大股份第六届董事会独立董事、中国海洋大学副教授、青岛昶洋水 产有限公司财务负责人 ...

山东同大海岛新材料股份有限公司董事会 2025 年 4 月 21 日 关于独立董事 2024 年度保持独立性情况的专项意见 山东同大海岛新材料股份有限公司 董事会 根据《上市公司独立董事管理办法》《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》 等要求，山东同大海岛新材料股份有限公司（以下简称"公司"）董事会，就公 司在任独立董事田景岩先生、冯琳珺女士、王京先生的独立性情况进行评估并出 具如下专项意见： 经董事会核查上述在任独立董事 2024 年度任职期间在公司的履职情况，结 合上述在任独立董事签署的《独立董事关于独立性自查情况的报告》，上述人员 未在公司担任除独立董事以外的其他职务，与公司以及主要股东、实际控制人之 间不存在直接或间接利害关系或其他可能影响其进行独立客观判断的关系，不存 在影响独立董事独立性的情况，符合《上市公司独立董事管理办法》《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》中对独立董 事独立性的相关要求。 ...

山东同大海岛新材料股份有限公司 2024 年度独立董事述职报告 （陈国柱 已离任） 尊敬的各位股东及股东代表： 本人于 2021 年 12 月至 2024 年 9 月担任山东同大海岛新材料股份有限公司 （以下简称"公司"）独立董事，根据《公司法》《证券法》《上市公司治理准 则》《上市公司独立董事管理办法》《深圳证券交易所创业板股票上市规则》等 有关法律、法规以及《公司章程》《独立董事制度》等公司制度的规定，在任职 期间，充分发挥独立董事的作用，认真履行了独立董事的职责，恪尽职守、勤勉 尽责，积极出席相关会议，认真审议董事会各项议案，有效地保证公司运作的合 理性和公平性，切实维护公司和股东特别是中小股东的合法利益。 2024 年 8 月 19 日，本人因个人原因申请辞去公司第六届董事会独立董事职 务，同时一并辞去董事会战略委员会、提名委员会及薪酬与考核委员会相应职务， 辞职后不再担任公司任何职务，并于公司 2024 年第二次临时股东大会选举产生 新任独立董事后正式离任，在此之前，本人持续履行独立董事及在董事会专业委 员会中的职责。现将 2024 年度本人任职期间内履行独立董事职责情况报告如下： 一、独立董事的基 ...

山东同大海岛新材料股份有限公司 2024 年度独立董事述职报告 尊敬的各位股东及股东代表： 本人作为山东同大海岛新材料股份有限公司（以下简称"公司"）的第六届 董事会独立董事，根据《公司法》《证券法》《上市公司治理准则》《上市公司 独立董事管理办法》《深圳证券交易所创业板股票上市规则》等有关法律、法规 以及《公司章程》《独立董事制度》等公司制度的规定，在 2024 年度任职期间， 高度关注公司发展战略，主动了解掌握公司经营状况，积极参加公司相关会议， 认真审议各项议案并发表意见，切实履行了独立董事的各项职责和义务，审慎行 使了公司和股东所赋予的权利，维护了全体股东的合法利益，充分发挥独立董事 的作用。 本人于 2024 年 9 月 12 日通过公司 2024 年第二次临时股东大会选举成为公 司第六届董事会独立董事，于同日开始履职，现将 2024 年度任职期间内本人履 行独立董事职责情况报告如下： 一、独立董事的基本情况： （一）工作履历、专业背景及兼职情况 田景岩，男，1960 年 5 月出生，中国国籍，无境外永久居留权，中专学历， 持有深交所独立董事资格证书，中国轻工业联合会行业标准复核员证书，1981 年 ...

Financial Performance - The company's revenue for Q1 2025 was ¥93,144,786.64, representing a 9.26% increase compared to ¥85,248,653.44 in the same period last year[4] - Net profit attributable to shareholders increased by 111.12% to ¥2,893,090.09 from ¥1,370,383.99 year-on-year[4] - The net profit after deducting non-recurring gains and losses surged by 434.14% to ¥2,147,429.80, compared to a loss of ¥642,668.32 in the previous year[4] - Basic earnings per share rose by 111.69% to ¥0.0326 from ¥0.0154 in the same period last year[4] - The company reported a net profit margin improvement, with net profit increasing in line with revenue growth[21] - Net profit for the current period reached CNY 2,893,090.09, a significant increase from CNY 1,370,383.99 in the previous period, representing a growth of approximately 111.4%[23] - Operating profit increased to CNY 3,525,103.70 from CNY 1,431,771.13, marking a growth of about 146.5%[22] - Total comprehensive income for the current period was CNY 2,893,090.09, compared to CNY 1,370,383.99 in the previous period, reflecting a growth of about 111.4%[23] - Basic and diluted earnings per share increased to CNY 0.0326 from CNY 0.0154, representing a growth of approximately 111.7%[23] Cash Flow and Assets - The net cash flow from operating activities improved by 41.20%, with a net outflow of ¥16,478,313.18 compared to ¥28,023,352.60 in the previous year[4] - Cash and cash equivalents decreased to ¥188,018,142.02 from ¥207,539,725.16, a decline of 9.0%[17] - Total cash and cash equivalents at the end of the period decreased to CNY 187,438,234.72 from CNY 205,011,687.23, a decline of about 8.5%[26] - Cash flow from operating activities showed a net outflow of CNY -16,478,313.18, an improvement compared to the previous period's outflow of CNY -28,023,352.60[25] Expenses - Research and development expenses increased by 43.49% year-on-year, indicating a rise in investment in innovation[13] - Sales expenses rose by 37.64%, primarily due to increased business promotion and salary costs[10] - Research and development expenses rose to CNY 4,340,567.46, up from CNY 3,024,907.71, indicating an increase of approximately 43.5%[22] - The company reported a decrease in financial expenses, with interest income of CNY 739,470.12 compared to CNY 1,300,387.86 in the previous period, a decline of about 43.3%[22] - The company experienced a decrease in tax expenses, with current tax expenses of CNY 632,143.61 compared to CNY 23,808.55 in the previous period, indicating a significant increase in profitability[22] Assets and Liabilities - Total assets at the end of the reporting period were ¥678,674,075.48, a slight decrease of 0.69% from ¥683,376,139.16 at the end of the previous year[4] - Total assets decreased to ¥678,674,075.48 from ¥683,376,139.16, a reduction of 0.4%[19] - Total liabilities decreased to ¥49,234,636.45 from ¥56,829,790.22, a decline of 13.5%[19] - The company's equity attributable to shareholders increased by 0.46% to ¥629,439,439.03 from ¥626,546,348.94 at the end of the previous year[4] - Owner's equity increased to ¥629,439,439.03 from ¥626,546,348.94, a growth of 0.5%[19] Future Outlook - Future outlook includes potential market expansion and new product development strategies to enhance revenue streams[21]

Financial Performance - The company's operating revenue for 2024 was CNY 373,405,226.28, representing a 13.41% increase compared to CNY 329,242,844.44 in 2023[18]. - The net profit attributable to shareholders for 2024 was CNY 8,400,085.01, a significant turnaround from a loss of CNY 7,925,113.75 in 2023, marking a 205.99% increase[18]. - The net profit after deducting non-recurring gains and losses was CNY 5,666,683.61, up 122.25% from a loss of CNY 25,471,963.86 in the previous year[18]. - The basic earnings per share for 2024 was CNY 0.0946, compared to a loss of CNY 0.0892 in 2023, reflecting a 206.05% improvement[18]. - The total assets at the end of 2024 were CNY 683,376,139.16, a 2.22% increase from CNY 668,513,811.65 at the end of 2023[18]. - The net assets attributable to shareholders increased by 1.36% to CNY 626,546,348.94 at the end of 2024, compared to CNY 618,146,263.93 in 2023[18]. - The net cash flow from operating activities for 2024 was CNY 4,761,743.44, a decrease of 85.64% from CNY 33,165,922.20 in 2023[18]. - The company reported a significant improvement in profitability metrics, indicating a positive trend in financial performance[18]. Revenue and Sales - The company's main business revenue for 2024 reached ¥356,816,128.68, representing a year-on-year increase of 19.27% compared to ¥299,167,944.75 in 2023[41]. - The total sales volume for 2024 was 1,096.45 million square meters, a 25.36% increase from 874.64 million square meters in 2023[47]. - The revenue from the microfiber base fabric product surged by 152.96% to ¥90,923,560.30, compared to ¥35,944,509.52 in 2023[43]. - The revenue from direct sales accounted for 67.71% of total sales in 2024, up from 63.33% in 2023, indicating a shift towards direct sales channels[43]. - The gross profit margin for the microfiber base fabric product was 19.39%, showing an increase of 9.63% year-on-year[46]. Research and Development - Research and development expenses increased by 18.75% to ¥15,836,999.04 in 2024, up from ¥13,336,663.21 in 2023, reflecting the company's commitment to innovation[41]. - The company has obtained 16 invention patents and 13 utility model patents, demonstrating its commitment to innovation and technology[30]. - The company completed several key R&D projects, including the development of high-performance protective materials and low-carbon footprint synthetic leather[55]. - The investment in R&D has focused on enhancing product performance and expanding application areas, such as developing environmentally friendly materials[55]. - The company aims to improve its competitive edge by introducing innovative products and technologies, including solvent-free synthetic leather[55]. Operational Efficiency - The company established a comprehensive management system covering key areas such as R&D, production management, and quality control, enhancing operational efficiency[40]. - The company has implemented a sales-driven production model, aligning production plans with customer demand to optimize efficiency[34]. - The company has made significant breakthroughs in the technology of producing ultra-fine fiber leather using recycled and bio-based materials, maintaining a competitive edge in the industry[39]. - The company aims to optimize its management structure and improve operational efficiency through modern information management[75]. Market Position and Strategy - The company is a leading manufacturer of ultra-fine synthetic leather in China, with a strong market presence and a reputation for high-quality products[30]. - The ultra-fine synthetic leather market is expected to grow due to increasing demand for eco-friendly materials and the company's focus on sustainable production practices[28]. - The company has established a strong customer base, including well-known brands such as LV, ZARA, and BMW, which supports its market position[35]. - The company intends to expand its market presence by increasing brand awareness and establishing long-term relationships with reputable clients[79]. Governance and Shareholder Engagement - The board of directors consists of 9 members, including 3 independent directors, ensuring compliance with governance requirements[92]. - The company has conducted 1 annual general meeting and 2 extraordinary general meetings during the reporting period, ensuring shareholder rights are upheld[91]. - The company actively engages with investors through various channels to enhance transparency and communication[95]. - The company has established strict knowledge property protection measures to safeguard its core technologies and prevent leaks[82]. - The company has a governance structure that includes an independent board of directors, supervisory board, and shareholders' meeting, complying with legal requirements[104]. Financial Independence and Control - The company maintains an independent business system and operational capability, ensuring no interference from the controlling shareholder in its operations[99]. - The company has independent bank accounts and does not share accounts with controlling shareholders or related enterprises, ensuring financial autonomy[103]. - The company has a complete and independent organizational structure tailored to its development needs, with clearly defined roles and responsibilities[104]. - The company has committed to maintaining independence in personnel, assets, finance, and operations, ensuring no mixed operations or asset confusion with Weikong Group[150]. Employee Management and Rights - The company reported a total of 539 employees at the end of the reporting period, with 344 in production, 22 in sales, 90 in technical roles, 7 in finance, and 76 in administration[130]. - Employee rights are protected through a comprehensive human resource management system, ensuring a healthy and harmonious work environment[145]. - The company has maintained a stable employee count with no layoffs or significant changes in workforce structure during the reporting period[130]. - The company will enhance employee training programs in 2025 to improve management, technical, and marketing capabilities, thereby increasing overall competitiveness[132]. Environmental and Social Responsibility - The company actively fulfills its social responsibilities, contributing to environmental sustainability and resource conservation[147]. - There were no administrative penalties related to environmental issues during the reporting period[144]. - The company has not disclosed any measures taken to reduce carbon emissions during the reporting period[144]. - The company has not reported any significant issues related to poverty alleviation or rural revitalization[148].

同大股份（300321）公告，2024年营业收入为3.73亿元，同比增长13.41%。归属于上市公司股东的净利 润为840.01万元，同比增长205.99%。公司经本次董事会审议通过的利润分配预案为：以8880万为基 数，向全体股东每10股派发现金红利0.43元(含税)，送红股0股(含税)，以资本公积金向全体股东每10股 转增0股。 ...

山东同大海岛新材料股份有限公司 股票简称：同大股份 股票代码：300321 信息披露义务人：华盛百利投资发展（北京）有限公司 注册地址：北京市通州区潞城镇小营村委会北 300 米 通讯地址：北京市通州区潞城镇小营村委会北 300 米 股份变动性质：持股数量减少 签署日期：二〇二五年四月 信息披露义务人声明 一、本报告书系信息披露义务人依据《公司法》《证券法》《上市公司收购管 理办法》《证券期货法律适用意见第 19 号——第十三条、第十四条的适用意见》 和《公开发行证券的公司信息披露内容与格式准则第 15 号——权益变动报告书》 等相关法律、法规及规范性文件编制。 简式权益变动报告书 上市公司名称：山东同大海岛新材料股份有限公司 股票上市地点：深圳证券交易所 二、信息披露义务人签署本报告书已获得必要的授权和批准，其履行不违反 信息披露义务人章程或内部规则中的任何条款，或与之相冲突。 三、依据《证券法》《上市公司收购管理办法》《公开发行证券的公司信息披 露内容与格式准则第 15 号——权益变动报告书》相关规定，本报告书已全面披 露了信息披露义务人在同大股份拥有权益的股份变动情况。截至本报告书签署日， 除本报告书披 ...