Group 1: Investor Relations Activities - The investor relations activity was held on October 16, 2024, from 15:00 to 16:00 at the Shanghai Stock Exchange Roadshow Center [1] - Participants included the Chairman and General Manager, Huang Xingliang, and other key executives [1] Group 2: Company Technology and Market Position - The company has developed 14 core technologies, including high-performance polyethylene fiber and special spinning components [2] - As of mid-2024, the company holds 114 domestic and international patents, with 62 being invention patents [3] Group 3: Financial Performance - The company reported a gross profit margin of 36.2% and a net profit margin of 19.07% for the first half of 2024 [4] - The company's market capitalization is currently 2.6 billion [5] Group 4: Strategic Initiatives - The company aims to enhance its market share and profitability through resource mergers and acquisitions, focusing on core business areas [5] - Plans to improve operational quality and enhance market competitiveness are in place [6] Group 5: Challenges and Future Outlook - The company has faced a decline in composite material sales due to fluctuating international conditions, but expects gradual recovery following policy clarifications [6]

华泰联合证券有限责任公司关于同益中首次公开发行部分限售股上市流通的核查意见 华泰联合证券有限责任公司 关于北京同益中新材料科技股份有限公司 首次公开发行部分限售股上市流通的核查意见 根据《证券法》《证券发行上市保荐业务管理办法》和《上海证券交易所科 创板股票上市规则》《科创板上市公司持续监管办法（试行）》等有关法律、法 规的规定，华泰联合证券有限责任公司（以下简称"华泰联合证券"或"保荐机 构"）作为北京同益中新材料科技股份有限公司（以下简称"同益中""公司" "上市公司"或"发行人"）首次公开发行股票并在科创板上市的保荐机构，对 公司首次公开发行部分限售股上市流通的情况进行了认真、审慎的核查，核查情 况及核查意见如下： 一、本次上市流通的限售股类型 中国证券监督管理委员会于 2021 年 8 月 31 日核发《关于同意北京同益中新 材料科技股份有限公司首次公开发行股票注册的批复》（证监许可〔2021〕2822 号），同意北京同益中新材料科技股份有限公司首次向社会公开发行人民币普通 股（A 股）56,166,700 股。公司于 2021 年 10 月 19 日在上海证券交易所科创板 上市，发行完成后总股本为 ...

国投证券股份有限公司 关于北京同益中新材料科技股份有限公司 首次公开发行部分限售股上市流通的核查意见 根据《证券法》《证券发行上市保荐业务管理办法》和《上海证券交易所科 创板股票上市规则》《科创板上市公司持续监管办法（试行）》等有关法律、法 规的规定，国投证券股份有限公司（以下简称"国投证券"或"保荐机构"）作 为北京同益中新材料科技股份有限公司（以下简称"同益中""公司""上市公 司"或"发行人"）首次公开发行股票并在科创板上市的联合保荐机构，对公司 首次公开发行部分限售股上市流通的情况进行了认真、审慎的核查，核查情况及 核查意见如下： 一、本次上市流通的限售股类型 中国证券监督管理委员会于 2021 年 8 月 31 日核发《关于同意北京同益中新 材料科技股份有限公司首次公开发行股票注册的批复》（证监许可〔2021〕2822 号），同意北京同益中新材料科技股份有限公司首次向社会公开发行人民币普通 股（A 股）56,166,700 股。公司于 2021 年 10 月 19 日在上海证券交易所科创板 上市，发行完成后总股本为 224,666,700 股，其中有限售条件 181,620,808 股，无 限售条件 ...

证券代码：688722 证券简称：同益中 公告编号：2024-022 北京同益中新材料科技股份有限公司 首次公开发行部分限售股上市流通公告 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。 重要内容提示： 本次股票上市类型为首发限售股份；股票认购方式为网下，上市股数为 88,310,000 股。 本次股票上市流通总数为 88,310,000 股。 本次股票上市流通日期为 2024 年 10 月 21 日。 一、本次上市流通的限售股类型 中国证券监督管理委员会于 2021 年 8 月 31 日核发《关于同意北京同益中新 材料科技股份有限公司首次公开发行股票注册的批复》（证监许可〔2021〕2822 号），同意北京同益中新材料科技股份有限公司首次向社会公开发行人民币普通 股（A 股）56,166,700 股。公司于 2021 年 10 月 19 日在上海证券交易所科创板上 市，发行完成后总股本为 224,666,700 股，其中有限售条件 181,620,808 股，无限 售条件流通股 43,045,892 股。 本次上市流通的 ...

证券代码：688722 证券简称：同益中 公告编号：2024-021 北京同益中新材料科技股份有限公司 关于召开 2024 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： 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 2024 年 10 月 09 日(星期三)至 10 月 15 日(星期二)16:00 前 登录上证路演中心网站首页点击"提问预征集"栏目或通过公司邮箱 tyz@bjtyz.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。 北京同益中新材料科技股份有限公司（以下简称"公司"）已于 2024 年 8 月 24 日发布公司 2024 年半年度报告，为便于广大投资者更全面深入地了解公 司 2024 年半年度经营成果、财务状况，公司计划于 2024 年 10 月 16 日下午 5:00-16:00 举行 2024 年半年度业绩说明会，就投资者关心的问题进行交流。 一、 说明会类型 本次投资者说明会以 ...

Group 1: Sales and Production Performance - The fiber sales growth last year met the company's target, achieving a balance between production and sales [1] - The composite materials sales in the domestic market have been gradually recovering compared to last year [2] - Fiber production capacity is 7,960 tons/year, while non-woven fabric capacity is 2,175 tons/year [3] Group 2: Market and Customer Insights - The downstream market for fiber is primarily in marine rope, accounting for 50%-60%, with gloves and bulletproof silk making up about 30%-40% [4] - The company has seen a significant proportion of exports in bulletproof products in the first half of the year, primarily to Europe and Asia [5] - The visibility of orders is approximately 1-2 months [5] Group 3: Cost and Pricing Dynamics - Product prices and gross margins are generally stable, with a slight decrease in fiber prices and minimal decline in non-woven fabric prices [4] - The company anticipates a slight decrease in raw material costs, with minimal impact from fluctuations in raw material prices [4] - The company’s sales methods include direct remittance domestically and 100% advance TT or letters of credit for overseas sales [8] Group 4: Future Growth and Development - The company plans to explore new application areas for its products, including medical fibers and cement reinforcement, which have emerging demand [4] - Future growth points include significant potential in downstream sectors such as cement reinforcement, deep-sea aquaculture, and textile applications [7] - The company is increasing its domestic supply ratio for raw materials, with minimal price differences between domestic and Japanese materials [7]

华泰联合证券有限责任公司 关于北京同益中新材料科技股份有限公司 2024 年半年度持续督导跟踪报告 根据《证券法》《证券发行上市保荐业务管理办法》和《上海证券交易所科 创板股票上市规则》等有关法律、法规的规定，华泰联合证券有限责任公司（以 下简称"华泰联合证券"或"保荐人"）作为北京同益中新材料科技股份有限公 司（以下简称"同益中""公司""上市公司"）首次公开发行股票并在科创板上 市的联合保荐人，负责同益中发行上市后的持续督导工作。2024 年半年度持续 督导跟踪情况报告如下： 一、持续督导跟踪工作情况 | | 工作内容 | 持续督导情况 | | --- | --- | --- | | | 建立健全并有效执行持续督导工作制度，并针 | 保荐人已建立健全并有效执行了 | | 1 | 对具体的持续督导工作制定相应的工作计划 | 持续督导工作制度，并制定了相应 | | | | 的工作计划。 | | | 根据中国证监会相关规定，在持续督导工作开 | 保荐人已与同益中签订保荐协议， | | 2 | 始前，与上市公司或相关当事人签署持续督导 | 协议已明确双方持续督导期间的 | | | 协议，明确双方在持续督导期间的权 ...

1 | | 工作内容 | 持续督导情况 | | --- | --- | --- | | | | 本持续督导期间，保荐机构督导同 | | | 督导上市公司及其董事、监事、高级管理人员 | 益中及其董事、监事、高级管理人 | | 6 | 遵守法律、法规、部门规章和上海证券交易所 | 员遵守法律、法规、部门规章和上 | | | 发布的业务规则及其他规范性文件，并切实履 | 海证券交易所发布的业务规则及 | | | 行其所做出的各项承诺 | 其他规范性文件，切实履行其所做 | | | | 出的各项承诺。 | | | 督导上市公司建立健全并有效执行公司治理制 | 本持续督导期间，保荐机构督导同 | | | 度，包括但不限于股东大会、董事会、监事会 | 益中依照相关规定进一步健全公 | | 7 | 议事规则以及董事、监事和高级管理人员的行 | 司治理制度，并严格执行相关公司 | | | 为规范等 | 治理制度。 | | | 督导上市公司建立健全并有效执行内控制度， | 本持续督导期间，同益中的内控制 | | | 包括但不限于财务管理制度、会计核算制度和 | 度符合相关法规要求并得到了有 | | 8 | 内部审计制度，以及 ...

投资者关系活动记录表 编号：2024-006 | --- | --- | --- | |--------------|------------------------------|-------------------------------------------------------------------------| | | □ | 特定对象调研 □分析师会议 | | 投资者关系活 | □ | 媒体采访 □业绩说明会 | | 动类别 | □ | 新闻发布会 □路演活动 | | | □ | 现场参观 √电话会议 | | | | □其他 （请文字说明其他活动内容） | | 参与单位名称 | | 国信证券、天弘基金、农银汇理基金、融通基金、淳厚基金、 | | | | 圆信永丰基金、汇丰晋信基金、阳光资产、上海迈维资产 | | 会议时间 | 2024 年 8 月 26 日 | 15:00-16:00 | | 会议地点 | 电话会议 | | | 上市公司接待 | | | | 人员姓名 | 苏敏、吴锡 | | | 投资者关系活 | Q1. | 公司现在纤维、复合材料的开工率情况？ | | 动主要内容介 | | ...

Financial Performance - The company reported a total revenue of 500 million CNY for the first half of 2024, representing a 15% increase compared to the same period last year[8]. - The company's operating revenue for the first half of 2024 was ¥254.47 million, a decrease of 34.72% compared to ¥389.83 million in the same period last year[14]. - The net profit attributable to shareholders for the first half of 2024 was ¥47.10 million, down 50.64% from ¥95.42 million year-on-year[14]. - The net profit attributable to shareholders after deducting non-recurring gains and losses was ¥42.86 million, a decline of 51.73% compared to ¥88.79 million in the previous year[14]. - The basic earnings per share for the first half of 2024 were ¥0.21, a decrease of 50.00% from ¥0.42 in the same period last year[15]. - The total comprehensive income for the first half of 2024 is CNY 48,478,219.27, down from CNY 95,510,478.14 in the same period of 2023[144]. - The company reported a net financial expense of RMB -3,951,412.76 for the first half of 2024, an improvement compared to RMB -4,899,622.87 in the first half of 2023[139]. - The total profit for the first half of 2024 is CNY 56,608,258.85, a decline of 50.0% compared to CNY 113,354,188.21 in the previous year[140]. Research and Development - The company has invested 50 million CNY in R&D for new technologies aimed at improving product durability and performance[8]. - The research and development expenditure accounted for 5.63% of operating revenue, an increase of 1.26 percentage points compared to the previous year[16]. - The company achieved a total R&D investment of CNY 14,336,310.83, a decrease of 15.88% compared to CNY 17,042,102.94 in the same period last year[41]. - The company added 5 new national authorized patents during the reporting period, including 3 invention patents and 2 utility model patents[40]. - The company has developed 14 core technologies related to ultra-high molecular weight polyethylene (UHMWPE) fibers, establishing a strong foundation for sustainable development[53]. - The company has obtained 114 domestic and international patents, including 62 invention patents, and has participated in the formulation of 13 national or industry standards[30]. Market Expansion and Strategy - The company plans to expand its market presence in Southeast Asia, targeting a 30% increase in sales from this region by the end of 2025[8]. - A strategic acquisition of a local competitor is in progress, expected to enhance production capacity by 25%[8]. - The company is focusing on enhancing its core competitiveness through technological innovation and product development[61]. - The company maintains long-term partnerships with numerous high-quality clients in defense, police, aerospace, and other sectors, enhancing its market presence[57]. Financial Position and Assets - The total assets at the end of the reporting period were ¥1.53 billion, an increase of 5.62% from the previous year's end[14]. - The net assets attributable to shareholders at the end of the reporting period were ¥1.26 billion, up 2.26% from the previous year's end[14]. - The company's total liabilities reached approximately ¥203.69 billion, up from ¥151.18 billion, indicating a significant increase of approximately 34.7%[135]. - The company's cash and cash equivalents decreased to approximately ¥432.55 million from ¥456.42 million, reflecting a decline of about 5.2%[133]. Environmental and Social Responsibility - The company is committed to green production, with projects aimed at improving recovery efficiency and reducing emissions in the manufacturing process[20]. - The company has increased investment in pollution control facilities and optimized processes, achieving compliance with national and local environmental standards[80]. - The company has established an emergency response plan for environmental incidents, conducting regular training and drills to enhance response capabilities[83]. - The company is actively engaged in resource conservation and ecological protection, enhancing its environmental management system through ISO14001 certification[86]. Corporate Governance and Compliance - The board of directors has confirmed that there are no non-operational fund usages by controlling shareholders[2]. - The company has fulfilled its commitments regarding shareholding and stock management, ensuring compliance with relevant regulations[90]. - The company guarantees that it will not use its position as a shareholder to harm the legitimate rights and interests of other shareholders through related party transactions[100]. - The company has not faced any administrative penalties related to environmental issues during the reporting period[85]. Future Outlook - The company plans to continue expanding its market presence and investing in new technologies to drive future growth[164]. - The management emphasizes a focus on maintaining a strong balance sheet while exploring strategic acquisitions to enhance competitive advantage[164].