江苏双星彩塑新材料股份有限公司 特此公告。 江苏双星彩塑新材料股份有限公司 董事会 2025 年 9 月 9 日 关于注销回购股份减少注册资本暨通知债权人的公告 本公司及董事会全体成员保证信息披露内容的真实、准确和完整，没有虚假记 载、误导性陈述或重大遗漏。 江苏双星彩塑新材料股份有限公司（以下简称"公司"）于 2025 年 8 月 28 日召开 2025 年第二次临时股东会审议通过了《关于变更回购股份用途并注销的议案》，同意公司变更回 购股份用途并注销。具体内容详见公司于 2025 年 8 月 13 日披露的《关于变更回购股份用 途并注销的公告》（公告编号：2025-030）。本次回购注销完成后，公司总股份将由 1,147,428,712 股变更为 1,141,322,612 股。 公司本次注销股份将涉及注册资本减少，根据《中华人民共和国公司法》等相关法律、 法规的规定，公司特此通知债权人，公司债权人自本公告之日起 45 日内，有权要求本公司 清偿债务或者提供相应的担保。债权人未在规定期限内行使上述权利的，本次减少注册资 本将按法定程序继续实施。 债权人如要求公司清偿债务或提供相应担保的，应根据《中华人民共 ...

Core Viewpoint - The company emphasizes the integration of market demand and technological innovation, focusing on functional, differentiated, and high-end product development [1] Group 1: Product Development and Innovation - The company is actively promoting product iteration and new product research and development, as well as the industrialization of technology [1] - Current products such as MLCC release films, composite current collectors, and newly developed carrier copper foil are catering to emerging industry demands like AI terminals and new energy vehicles [1] Group 2: Market Strategy - The company maintains good cooperative relationships with several leading enterprises both domestically and internationally [1] - In terms of international market expansion, the company will continue to strengthen strategic cooperation with customers and deepen the implementation of a "tripod" marketing strategy to actively expand overseas markets and enhance international market share [1]

Core Viewpoint - The company has reported significant growth in its MLCC release film business, with sales volume increasing by 118.6% and sales revenue rising by 144.4% year-on-year in the first half of 2025 [1] Group 1: Business Performance - The MLCC release film business achieved a sales volume increase of 118.6% and a sales revenue increase of 144.4% year-on-year [1] - The company has established stable mass supply of general-purpose release films to well-known domestic clients such as Micro Capacitor Technology and Sanhuan Group [1] - The company is actively promoting validation and mass supply to international leading clients like Murata, Samsung, and Taiyo Yuden [1] Group 2: Product Development - The high-smooth release film has been successfully introduced to Micro Capacitor Technology, achieving import substitution and leading position domestically [1] - The company plans to launch ultra-high smooth release films to address bottlenecks in high-end MLCC manufacturing [1] - Multiple model base film products of MLCC release films are being sold to Japanese release film enterprises [1] Group 3: Competitive Advantage - The company leverages its integrated production system from optical-grade polyester chips, functional masterbatch, base films to coating and post-processing [1] - This integrated approach ensures stable supply and quality consistency of MLCC release films while effectively supporting customer customization needs and new product development [1] - Future market share and competitiveness of the company's MLCC release films are expected to further increase with the release of new production capacity and advancement in new product validation [1]

Core Viewpoint - The company is actively advancing its composite conductive fluid project, increasing R&D investment, optimizing product structure, and enhancing product technology and quality to meet diverse market demands [1] Group 1: R&D and Product Development - The company has made significant breakthroughs in the technology and application of its newly developed carrier copper foil products, which now meet customer requirements for flexible circuit boards used in touch controls [1] - The company plans to continue deepening technology development to promote the application and market expansion of carrier copper foil [1] Group 2: Market Strategy - The company is focused on enhancing product quality and technical content to satisfy the evolving needs of the market [1]

Group 1 - The company is progressing normally with its composite copper foil project [1] - The carrier copper foil product disclosed in the 2025 semi-annual report is a newly developed product that has achieved stage progress in research and technological innovation [1] - The performance of the new product effectively meets the requirements of specific application scenarios [1] Group 2 - The company ensures that all relevant information is disclosed in accordance with applicable laws, regulations, and guidelines [1]

Core Viewpoint - The company is increasing its R&D investment to focus on high value-added products, aiming to break foreign technology monopolies and enhance the domestic production rate of high-performance polyester films, particularly optical films [1] Group 1 - The company is emphasizing the development and application of high value-added products [1] - There is a significant improvement in the domestic production rate of high-performance polyester films [1] - The acceleration of the domestic substitution process for high-end products is expected as domestic companies enhance their product competitiveness [1]

Group 1 - The company, Doushan New Materials, reported that as of August 20, 2025, the number of shareholders is 59,680 [2]

Group 1 - The company, Double Star New Materials (002585), is focusing on technological innovation and process optimization to provide high-performance and high-reliability composite current collector products [1] - The company is actively promoting the development and market expansion of composite current collector products [1]

Core Viewpoint - The company, Double Star New Materials, is focusing on significant R&D investments and innovations to enhance its product offerings and market position in 2024 [2] R&D Investment - The company plans to invest 23.88 million yuan in R&D for 2024, which represents 4.04% of its total revenue [2] Innovations and Developments - The company has made substantial progress in various R&D projects, including: - High-brightness anti-interference optical film - Black and white PETG shrink film - Release films and functional film materials for MLCC applications - High barrier low water permeability polyester film - Low haze polyester release film base - High-definition optical polyester base film - Four-sided shrink magnetron sputtering energy-saving base film [2] Market Applications - These new technologies and products are expected to enhance product variety and meet the demands of various applications, including: - Large-size TVs - Monitors - Small-size automotive displays [2] Competitive Advantage - The innovations are anticipated to strengthen the company's internal growth momentum and core competitiveness, providing robust support for future performance growth and consolidating its market position [2]

Group 1 - The company does not currently manufacture electronic yarn for PCB applications and focuses on optical display, new energy, and consumer electronics [2] - The company is actively expanding the breadth and depth of material applications and will continue to monitor market trends for future developments [2] - The company has not yet engaged in the development of PEEK materials or new products related to wind power fiberglass and thermoplastic fiberglass [2]