Core Viewpoint - Dinglong Co., Ltd. has successfully penetrated the domestic mainstream wafer factory market with its CMP polishing pad products and has received small batch orders from a major foreign logic manufacturer after passing testing [1] Group 1: Product Development and Market Penetration - The company has developed over 20 high-end wafer photoresists, with 12 samples sent for client validation, and 7 of these have entered the gallon sample stage, indicating smooth overall testing progress [1] - For the year 2024, the company has already received orders for two photoresist products from two domestic mainstream wafer factory clients [1]

Group 1: Business Progress and Market Expansion - The company's polishing pad products have penetrated mainstream domestic wafer manufacturers and are actively promoting to foreign wafer manufacturers, achieving small batch orders and expanding market growth [1] - In the semiconductor display materials sector, the company launched several key products, achieving a sales revenue of 130 million yuan in Q1 2025, representing a year-on-year growth of 85.61% and a quarter-on-quarter growth of 8.48% [3] - The company has established itself as a leading domestic supplier for YPI and PSPI products, securing a significant market share among mainstream display panel customers [3] Group 2: Research and Development Investments - In 2024, the company invested 462 million yuan in R&D, a year-on-year increase of 21.01%, accounting for 13.86% of total revenue, which supports the rapid deployment of new products and resources [2] - The company is actively expanding its semiconductor materials product lineup, including CMP polishing pads and advanced packaging materials, with ongoing client validation processes [1][2] Group 3: Production Capacity and Supply Chain - The company is enhancing its production capacity with the YPI product line in Xiantao, planning to complete the second phase of construction for an annual capacity of 800 tons [4] - The PSPI production line in Xiantao is set to begin operations in the first half of 2024, with an annual capacity of 1,000 tons [4] - The company has achieved a high degree of autonomy in its supply chain for core raw materials, which enhances production stability and cost advantages [6]

证券代码：300054 证券简称：鼎龙股份 公告编号：2025-056 债券代码：123255 债券简称：鼎龙转债 关于控股股东部分股份质押的公告 本公司及董事会全体成员保证信息披露的内容真实、准确和完 整，没有虚假记载、误导性陈述或者重大遗漏。 湖北鼎龙控股股份有限公司（以下简称"公司"）于近日收到本公司控股股东、 共同实际控制人之一--朱双全先生的函告，获悉朱双全先生所持有本公司的部分 股份办理了质押业务，具体事项如下： 注：1、截至 2025 年 6 月 16 日，公司 2024 年股票期权激励计划第一个行权期可行权的 9,775,200 股已行权 5,131,115 股，公司总股本由 938,282,591 股变更为 943,413,706 股。（同 下表） 湖北鼎龙控股股份有限公司 2、本次质押股份不存在被用作重大资产重组业绩补偿等事项的担保或其他保障用途的 情形。 股东 名称 是否 为控 股股 东或 第一 大股 东及 其一 致行 动人 本次 质押 数量 （股） 占其 所持 股份 比例 占公 司总 股本 比例 是否为限 售股（如 是，注明 限售类 型） 是否 为补 充质 押 质押 起始 日 质押 到 ...

四、备查文件 特此公告。 湖北鼎龙控股股份有限公司董事会 三、其他说明 截至本公告披露日，朱双全先生及其一致行动人质押股份数量占其所持公司 股份数量比例为 7.45%，其资信状况良好，具备良好的资金偿还能力，质押风险 可控，不存在平仓风险，不会对公司生产经营、公司治理等产生影响，也不会导 致公司实际控制权发生变更。公司将持续关注其质押变动情况，并按相关规定及 时履行信息披露义务，敬请广大投资者注意投资风险。 | | 证券代码：300054 | | | | | | | | | | 公告编号：2025-056 | | | | | | | 证券简称：鼎龙股份 | | | | | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | | 债券代码：123255 | | | | 债券简称：鼎龙转债 | | | | | | | | | | | | | | | | | | | | ...

Group 1 - The Shanghai Stock Exchange's benchmark market-making bond ETFs have collectively surpassed 100 billion yuan, with a total scale of nearly 48 billion yuan as of June 10, representing a 300% increase from the issuance scale [1] - The Shenzhen Stock Exchange is set to welcome "H+A" listed companies, which is expected to bring more quality listing resources and new opportunities for the A-share market [1] Group 2 - BMW's 5 Series has seen a price drop of 180,000 yuan within six months, with a nearly 40% decline in its five-year resale value [2] - Google has offered voluntary severance packages to employees across multiple departments, including its core engineering and search teams, as part of its latest workforce reduction efforts [2] Group 3 - Volkswagen announced a leadership change, appointing Kai Ze Kai as the new CEO for its passenger car brand in China, effective July 1, 2025 [3] - The wholesale price of the 25-year Flying Moutai has dropped below 2,000 yuan per bottle, indicating a price decline in the liquor market [3] Group 4 - The founder of Pang Dong Lai estimates the company's net profit for 2025 to be around 1.5 billion yuan, with an average monthly income of 9,000 yuan for over 8,000 employees [3] Group 5 - Tencent has established an executive committee for its online video business unit, with Sun Zhonghuai appointed as chairman [4] - Industrial Securities has announced a leadership change, with Su Junliang appointed as the party secretary [4] Group 6 - Yilian Biotech has hired banks to arrange its IPO in Hong Kong, aiming to raise over 100 million USD [5] - October Rice Field has received a notice from the China Securities Regulatory Commission regarding its H-share full circulation application [5] Group 7 - New City Development plans to fully repurchase its 300 million USD offshore bonds maturing in July [5] - Rongfa Nuclear Power intends to issue non-public corporate bonds totaling no more than 1 billion yuan [5] Group 8 - Changyuan Donggu has been designated as a supplier for a well-known domestic automaker's engine cylinder body semi-finished product project, with an expected total sales amount of 450 million to 500 million yuan over five years [6] Group 9 - Huaxia Bank has received approval from the National Financial Regulatory Administration for the appointment of Zhang Chuanliang as a director [7][8] Group 10 - Dinglong Co. plans to acquire an 8% stake in its subsidiary, Dinghui Microelectronics, for 240 million yuan, increasing its ownership from 91.35% to 99.35% [9] Group 11 - The Shanghai Composite Index rose by 0.52% to surpass 3,400 points, with significant gains in rare earth and automotive parts sectors [10]

Group 1 - Libet has received approval from the China Securities Regulatory Commission for the issuance of convertible bonds, valid for 12 months [1] - Dinglong plans to acquire an additional 8% stake in its subsidiary, increasing its ownership from 91.35% to 99.35% for a total price of 240 million yuan [1] - Longyuan Donggu has been designated as a supplier for a major automotive project, with an expected total sales amount of 450 to 500 million yuan over five years [14] Group 2 - Luoniushan reported a sales revenue of 100 million yuan in May, a year-on-year decrease of 11.45% [2] - Baoming Technology has secured a loan commitment of up to 7 million yuan for stock repurchase [2] - Xinhua Pharmaceutical has received approval for the listing of a new chemical raw material used in treating chronic heart failure and hypertension [3] Group 3 - China Minmetals announced a new contract amount of 396 billion yuan for the first five months of the year, a decrease of 22.2% year-on-year [7] - Zhongbei Communication's application for a specific stock issuance has been accepted by the Shanghai Stock Exchange [8] - Rongfa Nuclear Power plans to issue bonds not exceeding 1 billion yuan to repay debts and supplement working capital [9] Group 4 - Phoenix Optical plans to invest 8.5 million USD to establish a wholly-owned subsidiary in Vietnam for manufacturing optical products [11] - Xiamen Airport reported a passenger throughput of 2.4752 million in May, a year-on-year increase of 8.34% [12] - Weilan Biological has received a new veterinary drug registration certificate for a product aimed at treating canine allergies and inflammation [13] Group 5 - Shouxiangu has completed the registration of a health food product that claims to enhance immunity [13] - Xingye Yinxin's subsidiary has passed a resource reserve verification report, confirming significant mineral reserves [16] - Shaanxi Construction has won two major projects with a total contract value exceeding 2.8 billion yuan [18] Group 6 - Huari received a cash dividend of 50 million yuan from its subsidiary [20] - Zhongchu's deputy general manager has resigned due to governance arrangements [21] - Kexin Pharmaceutical's core product has received breakthrough therapy designation from the National Medical Products Administration [39]

证券代码：300054 证券简称：鼎龙股份 公告编号：2025-055 债券代码：123255 债券简称：鼎龙转债 湖北鼎龙控股股份有限公司 关于受让控股子公司少数股权的公告 本公司及董事会全体成员保证信息披露的内容真实、准确和完 整，没有虚假记载、误导性陈述或者重大遗漏。 一、交易概述 （一）基本情况 为优化湖北鼎龙控股股份有限公司（以下简称"公司"、"鼎龙股份"）控 股子公司湖北鼎汇微电子材料有限公司（以下简称"鼎汇微电子"或"标的公司"） 治理结构、提高经营与管理决策效率以及增强盈利能力，公司拟按照鼎汇微电子 整体估值 30 亿元的价格，以支付现金方式受让建信信托有限责任公司（以下简 称"建信信托"）持有的鼎汇微电子 8%股权（建信信托于 2021 年 11 月按投前整 体估值 25 亿元投资入股鼎汇微电子持有少数股权，其入股时总投资成本为 21,052.6447 万元），本次交易的受让价格为 24,000 万元。 本次购买鼎汇微电子 8%股权交易完成后，公司持有鼎汇微电子的股权比例 由 91.35%提升至 99.35%，鼎汇微电子仍为公司并表范围内的控股子公司。 （二）本次交易目的 1、增厚上市公司归 ...

证券代码：300054 证券简称：鼎龙股份 公告编号：2025-054 债券代码：123255 债券简称：鼎龙转债 湖北鼎龙控股股份有限公司 第六届董事会第二次会议决议公告 本公司及董事会全体成员保证信息披露的内容真实、准确和完 整，没有虚假记载、误导性陈述或者重大遗漏。 湖北鼎龙控股股份有限公司董事会 经与会董事认真审议，通过了以下决议： （一）审议通过了《关于受让控股子公司少数股权的议案》 为优化公司控股子公司湖北鼎汇微电子材料有限公司（以下简称"鼎汇微 电子"或"标的公司"）治理结构、提高经营与管理决策效率以及增强盈利能 力，公司拟按照鼎汇微电子整体估值30亿元的价格，以支付现金方式受让建信 信托有限责任公司（以下简称"建信信托"）持有的鼎汇微电子8%股权（建信 信托于2021年11月按投前整体估值25亿元投资入股鼎汇微电子持有少数股权， 其入股时总投资成本为21,052.6447 万元），本次交易的受让价格为24,000万元。 本次购买鼎汇微电子8%股权交易完成后，公司持有鼎汇微电子的股权比例 由91.35%提升至99.35%，鼎汇微电子仍为公司并表范围内的控股子公司。 具体内容详见公司同日披露于巨潮 ...

Core Viewpoint - Dinglong Co., Ltd. plans to acquire an 8% stake in its subsidiary Dinghui Microelectronics from Jianxin Trust for 240 million yuan, increasing its ownership from 91.35% to 99.35% [1] Group 1 - The transaction aims to optimize the governance structure of Dinghui Microelectronics [1] - The acquisition is expected to enhance operational decision-making efficiency and strategic execution capabilities [1] - The deal is anticipated to increase the net profit attributable to the parent company [1]

Group 1 - Hubei Dinglong Huisheng New Materials Co., Ltd. and Hubei Dinghui Microelectronics Materials Co., Ltd. have obtained a patent for "a grinding cloth and its preparation method" with the announcement number CN118721015B, applied on July 2024 [1] - Hubei Dinglong Huisheng New Materials Co., Ltd. was established in 2019, primarily engaged in the manufacturing of electrical machinery and equipment, with a registered capital of 200 million RMB [1] - Hubei Dinglong Huisheng New Materials Co., Ltd. has participated in 9 bidding projects and holds 25 patents, along with 65 administrative licenses [1] Group 2 - Hubei Dinghui Microelectronics Materials Co., Ltd. was established in 2015, primarily engaged in the manufacturing of chemical raw materials and products, with a registered capital of approximately 109.47 million RMB [1] - Hubei Dinghui Microelectronics Materials Co., Ltd. has invested in 3 companies, participated in 14 bidding projects, and holds 5 trademarks and 74 patents, along with 23 administrative licenses [1] Group 3 - Hubei Dinglong Holdings Co., Ltd. was established in 2000, primarily engaged in capital market services, with a registered capital of approximately 938.28 million RMB [2] - Hubei Dinglong Holdings Co., Ltd. has invested in 27 companies, participated in 36 bidding projects, and holds 34 trademarks and 234 patents, along with 58 administrative licenses [2]