关于召开 2024 年第一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的内容真实、准确、完整，没有虚假记载、 误导性陈述或重大遗漏。 山东同大海岛新材料股份有限公司（以下简称"公司）于 2024 年 1 月 2 日 召开第六届董事会第五次会议，会议全票通过《关于召开 2024 年第一次临时股 东大会的议案》，决定于 2024 年 1 月 18 日（星期四）召开 2024 年第一次临时 股东大会，现将会议有关事项通知如下： 一、本次股东大会召开的基本情况 1、股东大会届次：2024 年第一次临时股东大会。 2、股东大会召集人：山东同大海岛新材料股份有限公司第六届董事会。 证券代码：300321 证券简称：同大股份 公告编号：2024-002 山东同大海岛新材料股份有限公司 5、会议召开方式：本次股东大会采取现场与网络相结合的方式召开，公司 股东应选择现场投票、网络投票中的一种方式，如果同一表决权出现重复投票表 决的，以第一次投票表决结果为准。 6、会议的股权登记日：2024 年 1 月 11 日。 3、会议召开的合法、合规性：本次股东大会的召开符合《公司法》《上市 公司股东大会规则》等有关法律、行政 ...

证券代码：300321 证券简称：同大股份 公告编号：2023-046 山东同大海岛新材料股份有限公司 关于董事长辞职的公告 2023 年 12 月 27 日 特此公告。 山东同大海岛新材料股份有限公司 董事会 本公司及董事会全体成员保证信息披露的内容真实、准确、完整，没有虚 假记载、误导性陈述或重大遗漏。 山东同大海岛新材料股份有限公司（以下简称"公司"）董事会今日收到张 振江先生的书面辞职报告。张振江先生因工作安排，申请辞去公司第六届董事会 董事长、董事、战略委员会主任委员及提名委员会委员职务。辞去上述职务后， 张振江先生不再担任公司任何职务。截至本公告披露日，张振江先生未持有公司 股份。 根据《公司法》《公司章程》的有关规定，张振江先生的辞职不会导致公司 董事会人数低于法定最低人数，不影响公司董事会的正常运作。辞职报告自送达 董事会时生效。公司董事会将按照法定程序，尽快完成相关职务的补选工作。 张振江先生在公司任职期间，恪尽职守、勤勉尽责，对提升公司治理水平、 规范运作、推动公司高质量发展做出了重要贡献。公司董事会及全体员工对张振 江先生在任职期间为公司发展所做出的贡献表示衷心感谢！ ...

证券代码：300321 证券简称：同大股份 公告编号：2023-045 山东同大海岛新材料股份有限公司 关于公司通过高新技术企业认定的公告 本公司及董事会全体成员保证信息披露的内容真实、准确、完整，没有虚 假记载、误导性陈述或重大遗漏。 公司本次高新技术企业认定系原高新技术企业证书有效期满后进行的重新 认定，根据国家对高新技术企业的相关税收优惠政策，公司自通过高新技术企业 重新认定当年起三年内可继续享受国家关于高新技术企业的税收优惠政策，即按 15%的税率缴纳企业所得税。 特此公告。 山东同大海岛新材料股份有限公司 董事会 2023 年 12 月 19 日 根据全国高新技术企业认定管理工作领导小组办公室于 2023 年 12 月 18 日 发布的《对山东省认定机构 2023 年认定报备的第一批高新技术企业进行备案的 公告》，山东同大海岛新材料股份有限公司（以下简称"公司"）被列入山东省 认定机构 2023 年认定报备的第一批高新技术企业备案名单，通过了高新技术企 业认定，证书编号：GR202337001323，发证日期：2023 年 11 月 29 日。 ...

Financial Performance - The company's operating revenue for Q3 2023 was ¥92,826,373.52, a decrease of 16.74% compared to the same period last year[4] - Net profit attributable to shareholders was ¥12,702,990.06, an increase of 495.60% year-on-year, while the year-to-date net profit was -¥2,027,418.49, down 122.29%[4] - The basic earnings per share for Q3 2023 was ¥0.1431, reflecting a 496.25% increase compared to the same period last year[4] - Total operating revenue for the current period is ¥239.51 million, a decrease of 35% from ¥368.45 million in the previous period[17] - Net profit for the current period is a loss of ¥2.03 million, compared to a profit of ¥9.10 million in the previous period, indicating a significant decline[18] - The basic and diluted earnings per share for the current period are both -¥0.0228, compared to ¥0.1024 in the previous period, reflecting a downturn in profitability[18] Assets and Liabilities - Total assets at the end of Q3 2023 were ¥678,328,624.30, a decrease of 1.41% from the end of the previous year[4] - Total assets as of September 30, 2023, amounted to CNY 678,328,624.30, a decrease from CNY 688,041,432.05 at the beginning of the year[15] - Current assets increased to CNY 440,759,743.32 from CNY 419,269,604.29, reflecting a growth of approximately 9.4%[14] - Total liabilities decreased to CNY 54,284,665.11 from CNY 58,864,495.88, representing a reduction of about 7.3%[15] - The company's total equity as of September 30, 2023, was CNY 624,043,959.19, down from CNY 629,176,936.17[16] - Total non-current assets as of September 30, 2023, were CNY 237,568,880.98, down from CNY 268,771,827.76[15] Cash Flow - Cash flow from operating activities for the year-to-date period increased by 167.89% to ¥13,237,211.14[4] - Cash flow from operating activities shows a net inflow of ¥13.24 million, a recovery from a net outflow of ¥19.50 million in the previous period[20] - Cash and cash equivalents rose to CNY 220,412,807.44, up from CNY 141,396,110.77, indicating a significant increase of 55.9%[14] - Cash and cash equivalents at the end of the period increased to ¥216.41 million, up from ¥124.45 million in the previous period[21] - The company experienced a significant increase in cash flow from investment activities, with a net inflow of ¥64.50 million compared to a net outflow of ¥44.30 million in the previous period[20] Expenses - The company reported a 34.99% decrease in operating income year-to-date, primarily due to reduced sales revenue[9] - Research and development expenses decreased by 32.11% year-on-year, indicating a reduction in R&D investment during the reporting period[9] - Research and development expenses decreased to ¥10.28 million from ¥15.15 million, reflecting a reduction in investment in new technologies[17] - Sales expenses increased to ¥3.76 million from ¥2.97 million, indicating higher costs associated with sales efforts[17] - The company’s financial expenses increased by 40.28% year-on-year, mainly due to fluctuations in the US dollar exchange rate[9] Shareholder Information - The company reported a total of 6,172 common shareholders at the end of the reporting period[11] - The top shareholder, Shandong Tongda Group Co., Ltd., holds 18.48% of the shares, with 12,548,110 shares pledged[11] Asset Disposal - The company experienced a 1632.77% increase in asset disposal gains, attributed to the sale of idle assets during the reporting period[9] - The company’s deferred income decreased by 31.13% compared to the beginning of the year, reflecting a reduction in deferred revenue[9] Inventory and Receivables - Accounts receivable increased to CNY 60,637,790.63 from CNY 50,070,846.91, showing a growth of 21.5%[14] - Inventory decreased slightly to CNY 127,339,798.97 from CNY 132,759,126.78, a decline of approximately 4.1%[14]

表决情况：同意 3 票，反对 0 票，弃权 0 票。表决结果：通过。 特此公告。 经与会监事讨论审议，本次会议形成如下决议： 审议通过《关于公司<2023 年第三季度报告>的议案》 经审议，监事会认为：公司《2023 年第三季度报告》的编制和审核符合法 律法规和相关制度的有关规定，报告内容真实、准确、完整的反映了上市公司的 财务状况、经营成果，不存在虚假记载、误导性陈述或重大遗漏。 《2023 年第三季度报告》于 2023 年 10 月 21 日披露于巨潮资讯网 （www.cninfo.com.cn）。 证券代码：300321 证券简称：同大股份 公告编号：2023-042 山东同大海岛新材料股份有限公司 第六届监事会第四次会议决议公告 山东同大海岛新材料股份有 本公司及监事会全体成员保证信息披露的内容真实、准确、完整，没有虚 假记载、误导性陈述或重大遗漏。 山东同大海岛新材料股份有限公司（以下简称"公司"）第六届监事会第四 次会议于 2023 年 10 月 20 日在公司会议室现场召开，会议通知以通讯方式于 2023 年 10 月 13 日发出。会议应到监事 3 人，实到监事 3 人，董事会秘书列席了会议。 ...

证券代码：300321 证券简称：同大股份 公告编号：2023-041 山东同大海岛新材料股份有限公司 第六届董事会第四次会议决议公告 山东同大海岛新材料股份有限公司 本公司及董事会全体成员保证信息披露的内容真实、准确、完整，没有虚 假记载、误导性陈述或重大遗漏。 山东同大海岛新材料股份有限公司（以下简称"公司"）第六届董事会第四 次会议于 2023 年 10 月 20 日在公司会议室以现场与通讯相结合方式召开，会议 通知以通讯方式于 2023 年 10 月 13 日发出。会议应到董事 9 人，实到董事 9 人， 公司监事和高管均列席了会议。本次会议由董事长张振江先生主持，会议的召集、 召开符合有关法律、行政法规、部门规章、规范性文件和公司章程的规定。 经与会董事讨论审议，本次会议形成如下决议： 表决情况：同意 9 票，反对 0 票，弃权 0 票。表决结果：通过。 特此公告。 山东同大海岛新材料股份有限公司 董事会 2023 年 10 月 20 日 审议通过《关于公司<2023 年第三季度报告>的议案》 公司《2023 年第三季度报告》的编制和审核符合法律法规和相关制度的有 关规定，报告内容真实、准确、完整的 ...

证券代码：300321 证券简称：同大股份 公告编号：2023-040 山东同大海岛新材料股份有限公司 关于公开转让部分闲置资产完成过户的公告 本公司及董事会全体成员保证信息披露的内容真实、准确、完整，没有虚 假记载、误导性陈述或重大遗漏。 山东同大海岛新材料股份有限公司（以下简称"公司"） 拟转让公司位于 利民街北、石化路西的权证编号为昌国用（2008）第 456 号土地及其地上房屋建 筑物，通过潍坊产权交易机构公开挂牌、网上竞价，确定受让方为自然人王金宇， 成交价格为人民币 25,552,800 元。具体详见公司于 2023 年 6 月 1 日披露的《关 于公开转让部分闲置资产的公告》及 2023 年 9 月 8 日披露的《关于公开转让部 分闲置资产的进展公告》。 截至本公告披露日，公司已收到标的资产的全部价款人民币 25,552,800 元。 公司与受让方王金宇办理完毕上述标的资产的过户手续。 特此公告。 山东同大海岛新材料股份有限公司 董事会 2023 年 9 月 26 日 ...

证券代码：300321 证券简称：同大股份 公告编号：2023-039 山东同大海岛新材料股份有限公司 关于公开转让部分闲置资产的进展公告 上述资产近日通过潍坊产权交易机构公开挂牌、网上竞价，自然人王金宇出 价最高，确定受让方为王金宇。公司与王金宇签署了《资产交易合同》，成交价 格为人民币 25,552,800 元。 本次交易不属于关联交易，亦不构成《上市公司重大资产重组管理办法》规 定的重大资产重组。 三、交易对方的基本情况 姓名：王金宇 身份证号码：2390051989******** 住所：山东省昌邑市同大街 567 号 山东同大海岛新材料股份有限公司 本公司及董事会全体成员保证信息披露的内容真实、准确、完整，没有虚 假记载、误导性陈述或重大遗漏。 一、交易概述 山东同大海岛新材料股份有限公司（以下简称"公司"）于 2023 年 6 月 1 日披露了《关于公开转让部分闲置资产的公告》（公告编号：2023-028），公司 拟以公开挂牌方式转让公司位于利民街北、石化路西的权证编号为昌国用（2008） 第 456 号土地及其地上房屋建筑物。该事项已经公司 2023 年第一次临时股东大 会审议通过。 二、交易进 ...

Financial Performance - The company's operating revenue for the first half of 2023 was ¥146,683,834.14, a decrease of 42.91% compared to ¥256,953,240.67 in the same period last year[24]. - The net profit attributable to shareholders was a loss of ¥14,730,408.55, representing a decline of 311.53% from a profit of ¥6,963,855.01 in the previous year[24]. - The net profit attributable to shareholders after deducting non-recurring gains and losses was a loss of ¥16,005,802.43, down 449.71% from a profit of ¥4,576,880.85 in the same period last year[24]. - The company's revenue for the reporting period was ¥146,683,834.14, a decrease of 42.91% compared to ¥256,953,240.67 in the same period last year, primarily due to a reduction in product sales revenue[43]. - The company's operating costs decreased by 37.59% to ¥144,346,120.36 from ¥231,292,929.30, attributed to the decline in sales revenue[43]. - The company reported a comprehensive loss attributable to the parent company of ¥14,730,408.55 for the first half of 2023, compared to a comprehensive income of ¥6,963,855.01 in the same period of 2022[126]. - Basic and diluted earnings per share for the first half of 2023 were both -¥0.1659, compared to ¥0.0784 in the first half of 2022[126]. Cash Flow and Liquidity - The net cash flow from operating activities was ¥11,784,714.80, an increase of 292.51% compared to a negative cash flow of ¥6,121,750.14 in the previous year[24]. - The company's cash and cash equivalents increased by 173.89% to ¥37,307,339.51 from -¥50,491,163.02 in the previous year, mainly due to improved cash flow from operating and investing activities[43]. - The net cash flow from investing activities was ¥28,423,049.28 in the first half of 2023, a recovery from a net outflow of ¥41,990,060.00 in the same period of 2022[128]. - The total cash inflow from operating activities was ¥114,502,253.14, while total cash outflow was ¥102,717,538.34, resulting in a positive net cash flow[128]. Assets and Liabilities - The total assets at the end of the reporting period were ¥671,718,692.10, a decrease of 2.37% from ¥688,041,432.05 at the end of the previous year[24]. - The total liabilities increased to ¥60,377,722.97 as of June 30, 2023, compared to ¥58,864,495.88 at the beginning of the year, an increase of 2.6%[122]. - The company's total equity decreased to ¥611,340,969.13 as of June 30, 2023, down from ¥629,176,936.17 at the beginning of the year, a decline of 2.8%[122]. Research and Development - Research and development investment was ¥7,314,219.13, down 17.95% from ¥8,914,409.44 in the previous year[43]. - The company has established a strong R&D team with a focus on eco-friendly synthetic leather technologies, including the use of recycled materials and water-based polyurethane[36]. - The company is focused on the R&D of environmentally friendly products, specifically ultra-fine fiber artificial leather, and aims to expand its application range[76]. Market Position and Strategy - The main business remains focused on the research, production, and sales of ultra-fine fiber synthetic leather, with no changes in major products[32][33]. - The company operates on a sales-driven production model, signing framework agreements with regional customers to determine annual product demand[34]. - The company’s product range has expanded to cover various sectors, including footwear, furniture, automotive interiors, and sports equipment, enhancing its competitive position in the market[39]. - The company has a notable client base, including well-known brands such as LV, ZARA, and BMW, which provides a solid foundation for its growth[35]. - The company plans to enhance its product R&D capabilities and improve process formulations to mitigate the impact of rising raw material costs, particularly those influenced by international oil prices[62]. Corporate Governance and Shareholder Relations - The company plans not to distribute cash dividends or issue bonus shares[6]. - The company has not declared any cash dividends or stock bonuses for the half-year period, opting to retain earnings[72]. - The company has implemented a cash dividend policy to ensure shareholder returns, continuously improving its corporate governance structure[76]. - The total number of shares is 88,800,000, with 96.10% being unrestricted shares[104]. - The largest shareholder, Shandong Tongda Group Co., Ltd., holds 18.48% of shares, totaling 16,414,183 shares, with 12,548,110 shares pledged[107]. Risk Management - The company has established a comprehensive risk management system for accounts receivable to reduce collection risks and improve the quality of its customer base[61]. - The company reported an increase in accounts receivable balance as a percentage of revenue compared to the same period last year, indicating a potential risk of bad debts[60]. - The company has over 40% of its business in exports, making it sensitive to fluctuations in the RMB exchange rate, which could adversely affect its financial performance[63]. Compliance and Legal Matters - The company has not faced any significant legal disputes or administrative penalties during the reporting period[84]. - There were no significant related party transactions or non-operating fund occupation during the reporting period[80][88]. Accounting Policies - The financial statements are prepared based on the accrual basis of accounting, in accordance with the relevant accounting standards[142]. - The company has implemented specific accounting policies for accounts receivable, fixed asset depreciation, and revenue recognition[144]. - The financial report complies with the requirements of accounting standards, reflecting the company's financial position and operating results accurately[145].

山东同大海岛新材料股份有限公司 第六届监事会第三次会议决议公告 证券代码：300321 证券简称：同大股份 公告编号：2023-036 经审议，监事会认为：公司《2023 年半年度报告》及摘要的编制和审核符 合法律法规和相关制度的有关规定，报告内容真实、准确、完整的反映了上市公 司的财务状况、经营成果，不存在虚假记载、误导性陈述或重大遗漏。 《2023 年半年度报告》及摘要于 2023 年 8 月 19 日披露于巨潮资讯网 （www.cninfo.com.cn）。《2023 年半年度报告摘要》同日刊登于中国证券报、 上海证券报、证券时报和证券日报。 表决情况：同意 3 票，反对 0 票，弃权 0 票。表决结果：通过。 特此公告。 山东同大海岛新材料股份有限公司 监事会 2023 年 8 月 18 日 山东同大海岛新材料股份有 本公司及监事会全体成员保证信息披露的内容真实、准确、完整，没有虚 假记载、误导性陈述或重大遗漏。 山东同大海岛新材料股份有限公司（以下简称"公司"）第六届监事会第三 次会议于 2023 年 8 月 18 日在公司会议室现场召开，会议通知以通讯方式于 2023 年 8 月 8 日发出。会议 ...