Core Points - The chairman of the company, Mr. Li Kuan, plans to reduce his shareholding by up to 174,000 shares, representing 0.0162% of the total share capital, through legal means such as centralized bidding and block trading [1] - The company's director and general manager, Mr. Hu Jiankang, intends to reduce his shareholding by up to 365,000 shares, accounting for 0.0340% of the total share capital, during the same reduction period [1] - The company's financial director, Mr. Gu Youlou, plans to reduce his shareholding by up to 17,000 shares, which is 0.0016% of the total share capital, also through centralized bidding [2] Summary by Category - **Shareholding Reduction Plans** - Mr. Li Kuan will reduce his holdings by a maximum of 174,000 shares [1] - Mr. Hu Jiankang will reduce his holdings by a maximum of 365,000 shares [1] - Mr. Gu Youlou will reduce his holdings by a maximum of 17,000 shares [2] - **Reduction Period** - The reduction period for all three executives is from December 9, 2025, to March 8, 2026, excluding any legally prohibited periods [1][2]

Group 1 - The chairman of Jingrui Electric Materials, Mr. Li Xuan, plans to reduce his shareholding by up to approximately 170,000 shares, accounting for 0.0162% of the total share capital, during the period from December 9, 2025, to March 8, 2026 [1] - The company's director and general manager, Mr. Hu Jiankang, intends to reduce his shareholding by up to approximately 360,000 shares, representing 0.034% of the total share capital, within the same reduction period [1] - The financial director, Mr. Gu Youlou, plans to reduce his shareholding by up to approximately 17,000 shares, which is 0.0016% of the total share capital, also during the specified reduction period [1] Group 2 - As of the report, Jingrui Electric Materials has a market capitalization of 17 billion yuan [2]

| | | 晶瑞电子材料股份有限公司 关于部分董事、高级管理人员减持股份计划的预披露公告 公司董事长李勍先生、董事兼总经理胡建康先生及财务总监顾友楼先生保证 向本公司提供的信息内容真实、准确、完整，没有虚假记载、误导性陈述或者重 大遗漏。 本公司及董事会全体成员保证公告内容与信息披露义务人提供的信息一致。 特别提示： 1、持有本公司股份 696,670 股（占本公司总股本比例为 0.0649%）的公司董 事长李勍先生计划通过集中竞价、大宗交易等合法方式减持本公司股份，减持期 间自本公告披露之日起十五个交易日后的三个月内（即 2025 年 12 月 9 日至 2026 年 3 月 8 日，根据法律法规等相关规定禁止减持的期间除外），减持数量不超过 174,000 股（占本公司总股本比例为 0.0162%）。 2、持有本公司股份 1,462,396 股（占本公司总股本比例为 0.1363%）的公司 董事兼总经理胡建康先生计划通过集中竞价、大宗交易等合法方式减持本公司股 份，减持期间自本公告披露之日起十五个交易日后的三个月内（即 2025 年 12 月 9 日至 2026 年 3 月 8 日，根据法律法规等相关规定 ...

Market Overview - The electronic chemicals sector increased by 0.67% on November 17, with Siquan New Materials leading the gains [1] - The Shanghai Composite Index closed at 3972.03, down 0.46%, while the Shenzhen Component Index closed at 13202.0, down 0.11% [1] Stock Performance - Siquan New Materials (301489) closed at 184.89, up 4.89% with a trading volume of 46,100 shares and a transaction value of 849 million [1] - Other notable performers included: - Glinda (603931) at 30.98, up 3.96% with a trading volume of 172,300 shares [1] - Guanghua Technology (002741) at 23.88, up 3.06% with a trading volume of 665,400 shares [1] - National Ceramic Materials (300285) at 25.21, up 2.86% with a trading volume of 417,400 shares [1] Capital Flow - The electronic chemicals sector saw a net inflow of 598 million from institutional investors, while retail investors experienced a net outflow of 624 million [2][3] - Key stocks with significant capital flow included: - Guanghua Technology with a net inflow of 159 million from institutional investors [3] - Siquan New Materials with a net inflow of 124 million from institutional investors [3] - Glinda with a net inflow of 109 million from institutional investors [3]

Core Viewpoint - Jingrui Electric Materials Co., Ltd. has shown a significant increase in stock price, reflecting positive market sentiment and potential growth in the semiconductor and new energy sectors [1][2]. Company Overview - Jingrui Electric Materials, established on November 29, 2001, and listed on May 23, 2017, is located in Suzhou, Jiangsu Province. The company specializes in high-purity chemicals, photoresists, functional formulation materials, lithium battery materials, pharmaceutical intermediates, and electronic-grade materials [1]. - The main revenue composition is as follows: high-purity chemicals (58.69%), photoresists (13.79%), lithium battery materials (13.68%), industrial chemicals (9.61%), energy (4.01%), and others (0.23%) [1]. Shareholder Insights - Guotai Fund's ETF, Guotai Zhongzheng Semiconductor Materials and Equipment Theme ETF (159516), has increased its holdings in Jingrui Electric Materials by 4.9362 million shares, now holding a total of 8.8061 million shares, which represents 0.82% of the circulating shares [2]. - The ETF was established on July 19, 2023, with a current scale of 8.299 billion. It has achieved a year-to-date return of 44.08%, ranking 736 out of 4216 in its category [2]. - The fund manager, Ai Xiaojun, has a tenure of 11 years and 312 days, with the fund's total assets amounting to 1690.29 billion. The best return during his tenure is 265.64%, while the worst is -46.54% [2].

Core Viewpoint - The storage chip sector experienced significant fluctuations, with notable gains in several companies, indicating a potential upward trend in the market [1] Company Performance - Time Space Technology reached its daily limit increase, showcasing strong investor interest [1] - Other companies such as Puran Co., Crystal Rui Electric Materials, Baiwei Storage, Shenkong Co., Hengshuo Co., and Yingxin Development also saw their stock prices rise, reflecting a broader positive movement in the storage chip industry [1]

Core Insights - The semiconductor photoresist industry is crucial for chip manufacturing, directly impacting chip resolution, yield, and cost, and is characterized by high technical barriers [1][2] - China is prioritizing the development of photoresists through multi-dimensional policy support, aiming for a market size of approximately $13.46 billion by 2024 [1][8] - Domestic companies are forming a multi-tiered industrial structure, with leading firms like Nanda Optoelectronics and Tongcheng New Materials achieving mass production and integration into supply chains [1][12] Industry Overview - Semiconductor photoresists, also known as photoresists, are materials that change solubility when exposed to radiation, playing a key role in accurately transferring circuit patterns onto wafers [2][3] - The market for semiconductor materials in China is projected to reach $13.46 billion in 2024, with a growth rate of approximately 2.85% [8][12] Policy Support - The Chinese government has established a comprehensive policy framework to support the semiconductor industry, including tax incentives and application demonstrations, to accelerate the development of photoresists [5][6] - Key policy documents include the "14th Five-Year Plan for the Development of Raw Materials Industry" and the "Action Plan for Stable Growth of Electronic Information Manufacturing Industry 2025-2026" [6][8] Industry Chain - The semiconductor photoresist industry chain in China is characterized by strong collaboration across upstream, midstream, and downstream sectors, with a clear path towards domestic production [6][8] - Domestic companies have achieved high self-sufficiency in mid-to-low-end raw materials, while high-end materials still require breakthroughs [6][10] Market Dynamics - The demand for high-end photoresists is increasing as chip manufacturing processes advance, with the market for photoresists expected to reach approximately 5.63 billion yuan in 2024 [12][14] - The domestic market is seeing a shift towards local alternatives, with KrF photoresists becoming the mainstay for mid-to-high-end applications and ArF photoresists achieving significant breakthroughs [12][14] Competitive Landscape - The global photoresist market is dominated by foreign giants, with Japanese and American companies holding about 87% of the market share [12][14] - Domestic companies are gradually increasing their market share in mature processes, with firms like Nanda Optoelectronics leading in ArF photoresists and Tongcheng New Materials dominating KrF photoresists [14][16] Future Trends - The semiconductor photoresist industry in China is expected to evolve along three main lines: technological breakthroughs, ecological collaboration, and competitive restructuring [15][16] - Future developments will focus on enhancing the performance of KrF and ArF photoresists, advancing EUV photoresist technology, and fostering vertical integration within the industry [15][16]

Market Overview - The electronic chemicals sector experienced a decline of 1.71% on November 12, with Huate Gas leading the drop [1] - The Shanghai Composite Index closed at 4000.14, down 0.07%, while the Shenzhen Component Index closed at 13240.62, down 0.36% [1] Stock Performance - Notable gainers in the electronic chemicals sector included: - Sanhu Xinke (688359) with a closing price of 78.40, up 3.43% [1] - Kaihua Materials (920526) at 26.17, up 1.87% [1] - Xingfu Electronics (688545) at 37.73, up 0.96% [1] - Major decliners included: - Huate Gas (688268) at 61.36, down 4.26% [2] - Nanda Optoelectronics (300346) at 36.98, down 4.07% [2] - Jinhong Gas (688106) at 21.16, down 3.56% [2] Trading Volume and Capital Flow - The electronic chemicals sector saw a net outflow of 748 million yuan from institutional investors, while retail investors had a net inflow of 712 million yuan [2] - The trading volume for key stocks included: - Sanhu Xinke with a volume of 29,400 hands and a transaction value of 229 million yuan [1] - Nanda Optoelectronics with a volume of 299,600 hands and a transaction value of 1.116 billion yuan [2] Capital Inflow Analysis - Key stocks with significant capital inflow included: - Sanhu Xinke with a net inflow of 37.08 million yuan from institutional investors [3] - Xingfu Electronics with a net inflow of 11.43 million yuan from institutional investors [3] - Stocks with notable outflows included: - Huate Gas with a net outflow of 4.14 million yuan from institutional investors [3] - Jinhong Gas with a net outflow of 4.14 million yuan from institutional investors [3]

Core Viewpoint - The stock of Jingrui Electric Materials has experienced fluctuations, with a notable decline of 2.10% on November 11, 2023, despite a year-to-date increase of 75.50% [1] Group 1: Stock Performance - As of November 11, 2023, Jingrui Electric Materials' stock price is reported at 16.33 CNY per share, with a total market capitalization of 17.52 billion CNY [1] - The stock has seen a net outflow of 77.64 million CNY in principal funds, with significant selling pressure observed [1] - Over the past five trading days, the stock has decreased by 3.37%, while it has increased by 3.16% over the last 20 days and 51.77% over the last 60 days [1] Group 2: Company Overview - Jingrui Electric Materials Co., Ltd. was established on November 29, 2001, and went public on May 23, 2017 [1] - The company specializes in high-purity chemicals, photoresists, lithium battery materials, and other products, serving industries such as semiconductors and new energy [1] - The revenue composition includes high-purity chemicals (58.69%), photoresists (13.79%), lithium battery materials (13.68%), industrial chemicals (9.61%), energy (4.01%), and others (0.23%) [1] Group 3: Financial Performance - For the period from January to September 2025, Jingrui Electric Materials achieved a revenue of 1.187 billion CNY, reflecting a year-on-year growth of 11.92% [2] - The net profit attributable to the parent company for the same period was 128 million CNY, showing a remarkable year-on-year increase of 19,202.65% [2] - The company has distributed a total of 248 million CNY in dividends since its A-share listing, with 117 million CNY distributed over the past three years [3] Group 4: Shareholder Information - As of September 30, 2025, the number of shareholders for Jingrui Electric Materials reached 111,400, an increase of 19.81% from the previous period [2] - The top ten circulating shareholders include various ETFs, with notable changes in holdings among them [3]

Core Insights - The electronic chemicals sector experienced a 2.02% increase on November 6, with Grinda leading the gains [1] - The Shanghai Composite Index closed at 4007.76, up 0.97%, while the Shenzhen Component Index closed at 13452.42, up 1.73% [1] Stock Performance - Grinda (603931) closed at 31.85, up 10.02% with a trading volume of 130,800 shares and a turnover of 410 million yuan [1] - Xingfu Electronics (688545) closed at 36.37, up 5.18% with a trading volume of 70,900 shares and a turnover of 255 million yuan [1] - Guanghua Technology (002741) closed at 21.86, up 5.00% with a trading volume of 328,200 shares and a turnover of 708 million yuan [1] - Anji Technology (6108899) closed at 200.80, up 4.33% with a trading volume of 39,200 shares and a turnover of 775 million yuan [1] - Hongchang Electronics (603002) closed at 7.53, up 3.86% with a trading volume of 548,300 shares and a turnover of 414 million yuan [1] Capital Flow - The electronic chemicals sector saw a net inflow of 721 million yuan from institutional investors, while retail investors experienced a net outflow of 749 million yuan [2][3] - Grinda had a net inflow of 142 million yuan from institutional investors, but a net outflow of 83 million yuan from retail investors [3] - The overall capital flow indicates a strong interest from institutional investors despite the outflow from retail investors [2][3]