603260 合盛硅业 合盛硅业股份有限公司 2026 年第一次临时股东会 二〇二六年四月十日 | | | 会议议程 一、会议时间 现场会议：2026 年 4 月 10 日（星期五）14 点 00 分 网络投票：2026 年 4 月 10 日（星期五）采用上海证券交易所股东会网络 投票系统，通过交易系统投票平台的投票时间为股东会召开当日的交易时间段， 即 9:15-9:25，9:30-11:30，13:00-15:00；通过互联网投票平台的投票时间为股 东会召开当日的 9:15-15:00。 二、现场会议地点 浙江省慈溪市北三环东路 1988 号恒元广场 A 座 4 楼会议室 会议资料 三、会议主持人 合盛硅业股份有限公司董事长罗立国先生（暂定） 四、会议审议事项 1、审议《关于公司符合向特定对象发行 A 股股票条件的议案》； 2、逐项审议《关于公司 2026 年度向特定对象发行 A 股股票方案的议 案》； （10）决议有效期限； 3、审议《关于<合盛硅业股份有限公司 2026 年度向特定对象发行 A 股股 票预案>的议案》； 4、审议《关于公司 2026 年度向特定对象发行 A 股股票方案论证分析报告 2 ...

Investment Rating - The industry rating is "Outperform the Market," indicating that the overall return of the industry is expected to exceed the market benchmark index by more than 5% in the next 6 months [54]. Core Insights - The semiconductor materials sector is experiencing accelerated domestic production, with rapid expansion in downstream wafer factories, maximizing the industrial dividend advantages of leading companies [3]. - The report highlights significant growth in the semiconductor materials business of Dinglong Co., which is expected to see a net profit increase of 70.22% to 84.41% year-on-year in Q1 2026 [3][29]. - The report emphasizes the importance of high-performance materials in the context of ongoing manufacturing upgrades in China, suggesting that the new materials industry is poised for rapid development [3]. Market Overview - The Wind New Materials Index closed at 5468.11 points, reflecting a week-on-week increase of 0.86% [2][10]. - Among the six sub-industries, the lithium battery index saw the highest increase of 8.68%, while the semiconductor materials index decreased by 0.22% [2][10]. - The top five gainers for the week included Huate Gas (25.63%) and Dinglong Co. (16.46%), while the top five losers included Guoci Materials (-6.2%) and Yanggu Huatai (-5.82%) [2][24][25]. Recent Industry Highlights - Two major analog chip manufacturers, MPS and Naxin Microelectronics, announced price increases due to rising costs in raw materials and manufacturing processes, effective from May 1, 2026 [3][29]. - Dinglong Co. reported a projected net profit of 240 to 260 million yuan for Q1 2026, with a year-on-year growth of 70.22% to 84.41% [3][30]. - The report notes that the CMP polishing pad business of Dinglong Co. achieved a sales revenue of 1.091 billion yuan in 2025, marking a year-on-year growth of 52.34% [33].

Investment Rating - The industry investment rating is maintained at "Outperform the Market - A" [5] Core Insights - The chemical industry is at the bottom of a four-year down cycle, with indicators suggesting it has nearly bottomed out, and 2026 is expected to be a turning point for the cycle [17] - The price index for Chinese chemical products (CCPI) was reported at 3930 points on December 31, 2025, a 39% decrease from the peak in 2021, indicating the industry is in a historically low range [17] - The net profit of the basic chemical sector for the first three quarters of 2025 was 112.7 billion yuan, a year-on-year increase of 7.5%, showing initial signs of stabilization [17] - Capital expenditure in the industry has decreased by 18.3% year-on-year, marking seven consecutive quarters of negative growth since Q4 2023, indicating the end of the supply expansion phase [17] Summary by Sections 1. Core Views - The chemical industry is experiencing a significant shift, with European chemical companies reducing capacity due to high energy costs and environmental compliance pressures, while Chinese companies are rapidly gaining market share due to cost advantages [18] - In the first eight months of 2025, 60% of monitored chemical products had export volumes in the top 80% of the last six years, with 40% in the top 100% [18] - The report suggests focusing on leading chemical companies with cost advantages, such as Wanhua Chemical, Hualu Hengsheng, and others [18] 2. Industry Performance - The basic chemical industry index rose by 2.3% in the week of March 20-27, outperforming the Shanghai Composite Index by 3.4 percentage points [25] - Year-to-date, the basic chemical industry index has increased by 9.1%, surpassing the Shanghai Composite Index by 10.5 percentage points [25] 3. Stock Performance - Among 424 stocks in the basic chemical sector, 246 stocks rose, while 171 fell during the week [31] - The top gainers included Jinmei Technology (+36.3%) and Foshan Plastics (+24.5%), while the biggest losers included Wanlang Magnetic Plastic (-12.4%) and Sanfangxiang (-12.2%) [31][32] 4. Key News and Company Announcements - AnDuoMai A reported a revenue of 28.945 billion yuan for 2025, a decrease of 1.84% year-on-year, with a net profit attributable to shareholders of -1.046 billion yuan, an increase of 63.98% year-on-year [34] - ST Shenhua reported a revenue of 5.610 billion yuan for 2025, an increase of 11.76% year-on-year, with a net profit attributable to shareholders of -0.1 billion yuan, an increase of 93.51% year-on-year [34]

证券代码：603260 证券简称：合盛硅业 公告编号：2026-035 合盛硅业股份有限公司 关于 2026 年度日常关联交易预计的公告 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： 是否需要提交股东会审议：本事项尚需提交公司2026年第一次临时股 东会审议。 日常关联交易预计对上市公司的影响：本次预计日常关联交易事项是 基于公司正常的生产经营需要，具有合理性与必要性，并且遵循了公平、公正的 定价原则，不会对公司未来财务状况、经营成果产生不利影响，不会对关联方形 成重大依赖，也不会影响上市公司独立性。 一、日常关联交易基本情况 （一）日常关联交易履行的审议程序 合盛硅业股份有限公司（以下简称"公司"）于 2026 年 3 月 25 日召开的 第四届董事会第十六次会议审议通过了《关于公司 2026 年度日常关联交易预计 的议案》，公司关联董事罗立国、罗燚、罗烨栋、浩瀚进行了回避表决，经出 席会议的非关联董事一致同意，最终以 5 票同意、0 票反对、0 票弃权、4 票回 避的表决结果审议通过该议案。 公司召开第四 ...

证券代码：603260 证券简称：合盛硅业 公告编号：2026-033 (五) 网络投票的系统、起止日期和投票时间。 网络投票系统：上海证券交易所股东会网络投票系统 合盛硅业股份有限公司 关于召开2026年第一次临时股东会的通知 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： 一、 召开会议的基本情况 (一) 股东会类型和届次 2026年第一次临时股东会 召开的日期时间：2026 年 4 月 10 日 14 点 00 分 召开地点：浙江省慈溪市北三环东路 1988 号恒元广场 A 座 4 楼公司会议室 股东会召开日期：2026年4月10日 本次股东会采用的网络投票系统：上海证券交易所股东会网络投票系统 (二) 股东会召集人：董事会 (三) 投票方式：本次股东会所采用的表决方式是现场投票和网络投票相结合 的方式 (四) 现场会议召开的日期、时间和地点 网络投票起止时间：自2026 年 4 月 10 日 至2026 年 4 月 10 日 采用上海证券交易所网络投票系统，通过交易系统投票平台的投票时间为股 东会召开当 ...

证券代码：603260 证券简称：合盛硅业 公告编号：2026-034 合盛硅业股份有限公司 表决结果：5 票赞成、0 票反对、0 票弃权、4 票回避。 关联董事罗立国、罗燚、罗烨栋、浩瀚回避表决。 本议案尚需提交公司股东会审议。 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。 一、董事会会议召开情况 合盛硅业股份有限公司（以下简称"公司"或"合盛硅业"）第四届董事会 第十六次会议于 2026 年 3 月 25 日下午 13:30 时在公司慈溪办公室二十四楼黑河 会议室以现场和通讯相结合方式召开。本次会议经全体董事一致同意召开，并豁 免本次会议的提前通知时限要求。出席会议的董事应到 9 人，实到 9 人。会议由 公司董事长罗立国先生主持，公司高级管理人员列席了本次会议。本次董事会会 议的召集、召开符合国家有关法律、法规和《公司章程》的规定，会议决议合法 有效。 二、董事会会议审议情况 1、审议通过了《关于公司 2026 年度日常关联交易预计的议案》 具体内容详见公司于 2026 年 3 月 26 日披露于上海证券交易所网站 （ ...

Group 1 - Wanhua Chemical (600309) is a global leader in the polyurethane industry, with core businesses covering MDI, TDI, and polyether polyols, while also extending into petrochemicals, new materials, and fine chemicals. The company has established a comprehensive industrial chain from raw materials to end products, maintaining a leading market share in MDI due to its scale and technological barriers. It is expanding into high-performance materials and new energy materials, aligning with the trends in new energy and high-end manufacturing, which opens up long-term growth opportunities [1][25] - Juhua Co., Ltd. (600160) is a leading enterprise in the domestic fluorochemical sector, with core businesses including fluorochemicals, chlor-alkali chemicals, and petrochemical materials. The company has a significant capacity in fluorinated refrigerants and is expanding into electronic chemicals and photovoltaic fluorinated materials, gradually breaking through overseas technological monopolies. Its comprehensive layout in the fluorochemical industry chain and strong compliance and cost advantages position it well for growth [2][26] - Satellite Chemical (002648) is a leader in the domestic acrylic acid and ester industry, focusing on acrylic acid, high polymer emulsions, and functional polymer materials. The company is accelerating its layout in photovoltaic-grade EVA and POE new energy materials, leveraging its propane dehydrogenation process to build an integrated industrial chain. Its strong cost control and alignment with the growth of the photovoltaic and lithium battery industries provide sustainable development momentum [3][27] Group 2 - Hoshine Silicon Industry (603260) is a global leader in industrial silicon and organic silicon, with core businesses covering industrial silicon, organic silicon, and graphite electrodes. The company has a leading production capacity in industrial silicon and a comprehensive product range in organic silicon, benefiting from energy-rich production bases. Its complete industrial chain layout and focus on high-purity silicon for photovoltaics align with trends in new energy and high-end manufacturing, offering significant long-term growth potential [4][28] - Adisseo (600299) is a global leader in animal nutrition additives, with core products including methionine and vitamins widely used in livestock farming. The company has established a stable supply system and significant technological and cost advantages, while also expanding into biotechnology and functional food sectors. Its stable performance and low sensitivity to macroeconomic fluctuations enhance its competitive position in the global feed additive industry [5][29] - Zhejiang Longsheng (600352) is a global leader in the dye industry, with core businesses covering dyes, intermediates, and water-reducing agents. The company has a leading market share in disperse and reactive dyes, supported by an integrated industrial chain and strong cost control. Its diversified business structure enhances risk resilience, while its expansion into hydrogen energy and environmental protection projects strengthens its competitive position in the global dye and fine chemical industry [6][30] Group 3 - Haohua Technology (600378) is a domestic leader in high-end fluorinated materials and electronic chemicals, with core businesses including fluororesins, fluororubbers, and electronic-grade chemicals. The company benefits from deep technological reserves and has achieved some degree of import substitution. Its focus on high-end chemical materials aligns with national strategic emerging industries, providing long-term growth support [7][31] - Sanmei Co., Ltd. (603379) is a key player in the domestic fluorochemical sector, focusing on refrigerants, foaming agents, and fluorinated salts. The company has established an integrated fluorochemical industrial chain and is expanding into environmentally friendly refrigerants. Its stable cash flow and strong downstream demand support its competitive position in the domestic fluorochemical market [8][32] - Meihua Biological (600873) is a global leader in the amino acid industry, with core products including monosodium glutamate and amino acids widely used in food, feed, and pharmaceuticals. The company has a leading market share in MSG and lysine, supported by its advanced fermentation technology and cost advantages. Its expansion into pharmaceutical-grade amino acids and biodegradable materials enhances its competitive position in the global amino acid and fermentation industry [9][33]

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： 截至本公告日，合盛硅业股份有限公司（以下简称"公司"）控股股东宁波 合盛集团有限公司（以下简称"合盛集团"）持有公司股份464,840,177股，占公 司总股本的39.32%；合盛集团一致行动人罗立国直接持有公司股份10,558,753股， 占公司总股本的0.89%；合盛集团一致行动人罗烨栋直接持有公司股份 179,406,101股，占公司总股本的15.18%；合盛集团一致行动人罗燚直接持有公司 股份192,493,302股，占公司总股本的16.28%。本次质押及解质押后，合盛集团累 计质押股份为230,405,100股，占其所持股份比例的49.57%，占公司总股本比例的 19.49%；罗立国累计质押股份为0股；罗烨栋累计质押股份为94,100,000股，占其 所持股份比例的52.45%，占公司总股本比例的7.96%；罗燚累计质押股份为 55,500,000股，占其所持股份比例的28.83%，占公司总股本比例的4.69%。 截至本公告日，合盛集团及其一致行动人罗立 ...

Group 1: Macro Insights - In February, CPI increased significantly due to the Spring Festival, expanded service demand, and rising international oil and gold prices, reaching a recent high [2] - PPI's decline is narrowing, influenced by resource nationalism and the US-Iran conflict, with expectations of a potential positive shift in March if oil prices remain high [2] Group 2: Industry Strategy - The March industry allocation perspective emphasizes growth and balanced styles, with high-scoring sectors including electric equipment, defense, electronics, and machinery, which are recommended for investor focus [3] Group 3: Real Estate Sector - As of March 8, 2026, new home transactions in 20 cities totaled 83,000 units, down 32.7% year-on-year; major cities like Beijing, Shanghai, and Shenzhen saw declines of 29%, 15%, and 60% respectively [4] - Second-hand home transactions in 10 cities reached 151,000 units, a decrease of 7.8% year-on-year, with Beijing, Shanghai, and Shenzhen experiencing declines of 7%, 4%, and 12% respectively [4] Group 4: Company Research - The company plans to raise up to 5.8 billion yuan through a private placement to fund the construction of a cogeneration project and to supplement working capital and repay bank loans [5] - Expected net profits for the company from 2025 to 2027 are projected at -3.084 billion, 1.539 billion, and 2.318 billion yuan respectively, maintaining an "accumulate" rating [5]

Core Viewpoint - The company plans to raise up to 5.8 billion yuan through a private placement of A-shares to fund the construction of a new power generation project and to supplement working capital and repay bank loans [4]. Group 1: Fundraising and Project Details - The company intends to issue shares to no more than 35 specific investors, with the total amount not exceeding 5.8 billion yuan [4]. - The funds will be used for the "Shanshan Silicon-based New Material Industry Base 8×75MW Back Pressure Unit Project (Phase I)," which has a total investment of 5.73 billion yuan, with 4.1 billion yuan planned to be raised from this issuance [4]. - The number of shares to be issued will not exceed 30% of the company's total share capital prior to the issuance, amounting to a maximum of 355 million shares [4]. Group 2: Project Significance and Construction - The project aims to support the integrated construction of the Shanshan base, which currently has an industrial silicon capacity of 800,000 tons/year and an organic silicon monomer capacity of 1 million tons/year, along with a 200,000 tons/year polysilicon capacity under construction [5]. - The project will consist of four 75MW back pressure units in both Phase I and Phase II, with a construction period of 24 months [5]. - This project will utilize low-quality coal through a clean and comprehensive utilization technology, providing stable and low-cost electricity and heat for the company [5]. Group 3: Financial Performance and Market Conditions - The company anticipates a significant decline in net profit for 2025, projecting a loss of 2.8 billion to 3.3 billion yuan, a year-on-year decrease of 261% to 290% [6]. - The decline is attributed to falling prices of industrial silicon and organic silicon products, with average market prices for metal silicon 553 and organic silicon DMC expected to drop by 27% and 12% respectively [6]. - Additionally, the company faces challenges in the polysilicon market, including high inventory levels and production line shutdowns, leading to substantial operational losses [6]. Group 4: Industry Outlook and Recovery - The organic silicon industry is expected to benefit from strengthened collaborative mechanisms, which aim to stabilize prices and reduce excessive competition [7]. - As of March 6, 2026, the domestic spot price for organic silicon DMC has increased by approximately 32.6% compared to the end of June 2025, indicating a recovery in prices [7]. - With a production capacity of 1.73 million tons/year for organic silicon monomers, the company is well-positioned to benefit from the anticipated improvement in the supply-demand dynamics of the organic silicon market [7].