Group 1 - The company will participate in the "2025 Hunan Listed Companies Investor Online Collective Reception Day and Semi-Annual Performance Briefing" to enhance interaction with investors [1] - The event will be held online on September 19, 2025, from 14:00 to 17:00, where company executives will discuss performance, governance, strategy, and sustainability [1] Group 2 - The company has approved the use of up to 300 million RMB of temporarily idle raised funds for cash management to improve fund utilization efficiency [2] - The cash management will not affect the normal operation of the company's fundraising projects or its main business [7] - As of the announcement date, the company has utilized 150 million RMB of temporarily idle raised funds for cash management, which is within the approved limit [8]

湖南凯美特气体股份有限公司 关于使用部分暂时闲置募集资金进行现金管理的进展公告 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。 湖南凯美特气体股份有限公司（以下简称"公司"）于 2025 年 7 月 28 日召 开第六届董事会第十四次会议及第六届监事会第十四次会议、2025 年 8 月 15 日 召开 2025 年第一次临时股东会，审议通过了《关于使用部分暂时闲置募集资金 进行现金管理的议案》。因募集资金需要根据项目建设的实际需求进行逐步投入， 为了提高募集资金使用效率，在保证不影响募集资金投资项目建设和募集资金 正常使用的情况下，同意公司及公司募投项目实施主体合计使用额度不超过 3 亿元人民币的暂时闲置募集资金进行现金管理，该额度在股东会审议通过之日 起 12 个月的有效期内循环滚动使用。具体内容详见 2025 年 7 月 30 日披露的《关 于使用部分暂时闲置募集资金进行现金管理的公告》（公告编号：2025-047）。 现将进展情况公告如下： 证券代码：002549 证券简称：凯美特气 公告编号：2025-055 3、公司内部审计部门负责对资金使用进行日常 ...

证券代码：002549 证券简称：凯美特气 公告编号：2025-056 湖南凯美特气体股份有限公司 关于参加 2025 年湖南辖区上市公司投资者网上集体接待日 暨半年度业绩说明会活动的公告 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。 为进一步加强与投资者的互动交流，湖南凯美特气体股份有限公司（以下简 称"公司"）将参加由湖南证监局、湖南省上市公司协会与深圳市全景网络有限 公司联合举办的"资本聚三湘 楚光耀新程——2025 年湖南辖区上市公司投资者 网上集体接待日暨半年度业绩说明会"活动，现将相关事项公告如下： 本次活动将采用网络远程的方式举行，投资者可登录"全景路演"网站 （https://rs.p5w.net），或关注微信公众号：全景财经，或下载全景路演 APP, 参与本次互动交流，活动时间为 2025 年 9 月 19 日（星期五）14:00-17:00。届 时公司高管将在线就公司 2024 年至 2025 半年度业绩、公司治理、发展战略、经 营状况和可持续发展等投资者关心的问题，与投资者进行沟通与交流，欢迎广大 投资者踊跃参与！ 特此公告。 湖南凯美 ...

Group 1 - The core viewpoint of the news is that Hunan Kaimete Gas Co., Ltd. has experienced significant stock price fluctuations and changes in trading volume, with a notable increase in stock price year-to-date and recent declines in the short term [1][2]. - As of September 10, Kaimete's stock price was 16.30 yuan per share, with a market capitalization of 11.334 billion yuan. The stock has risen 165.91% year-to-date but has seen a 4.17% decline in the last five trading days [1]. - The company has been active in the market, appearing on the "Dragon and Tiger List" 17 times this year, with the most recent appearance on August 20, where it recorded a net buy of -82.47 million yuan [1]. Group 2 - Kaimete Gas, established on June 11, 1991, and listed on February 18, 2011, specializes in the research, production, and sales of industrial gases, including carbon dioxide and hydrogen, with a revenue composition of 33.46% hydrogen, 31.72% carbon dioxide, and 28.50% fuel products [2]. - As of June 30, 2025, Kaimete Gas reported a revenue of 310 million yuan, a year-on-year increase of 10.52%, and a net profit of 55.846 million yuan, reflecting a significant growth of 199.82% [2]. - The company has distributed a total of 321 million yuan in dividends since its A-share listing, with no dividends paid in the last three years [3].

Core Viewpoint - On September 9, Kaimete Gas experienced a decline of 7.19% in stock price with a trading volume of 1.726 billion yuan, indicating potential market volatility and investor sentiment concerns [1]. Financing and Margin Trading - On September 9, Kaimete Gas had a financing buy-in amount of 105 million yuan and a financing repayment of 103 million yuan, resulting in a net financing buy of 1.9713 million yuan [1]. - As of September 9, the total margin trading balance for Kaimete Gas was 371 million yuan, with the financing balance accounting for 3.20% of the circulating market value, which is above the 90th percentile level over the past year [1]. - The company had no short selling activity on September 9, with a short selling balance of 64,560 yuan and a remaining short selling volume of 38,800 shares, also exceeding the 90th percentile level over the past year [1]. Company Overview - Kaimete Gas, established on June 11, 1991, and listed on February 18, 2011, is located in Yueyang, Hunan Province. The company specializes in the research, production, and sales of industrial gases, including dry ice, liquid carbon dioxide, and food additives [1]. - The main revenue composition of Kaimete Gas includes hydrogen (33.46%), carbon dioxide (31.72%), fuel products (28.50%), air separation gases (4.16%), specialty gases (1.94%), and other (0.21%) [1]. Financial Performance - As of June 30, Kaimete Gas had 74,200 shareholders, an increase of 67.36% from the previous period, while the average circulating shares per person decreased by 40.25% to 9,326 shares [2]. - For the first half of 2025, Kaimete Gas reported a revenue of 310 million yuan, representing a year-on-year growth of 10.52%, and a net profit attributable to shareholders of 55.8461 million yuan, reflecting a significant year-on-year increase of 199.82% [2]. Dividend Distribution - Since its A-share listing, Kaimete Gas has distributed a total of 321 million yuan in dividends, with no dividends paid out in the last three years [3]. Institutional Holdings - As of June 30, 2025, Hong Kong Central Clearing Limited has exited the list of the top ten circulating shareholders of Kaimete Gas [3].

Group 1 - The stock price of Kaimete Gas dropped by 2.00% on September 8, trading at 16.64 CNY per share, with a total market capitalization of 11.571 billion CNY [1] - Year-to-date, Kaimete Gas's stock price has increased by 171.45%, with a recent decline of 0.60% over the last five trading days, and a 34.09% increase over the last 20 days [1] - The company has appeared on the trading leaderboard 17 times this year, with the most recent appearance on August 20, where it recorded a net buy of -82.47 million CNY [1] Group 2 - Kaimete Gas, established on June 11, 1991, and listed on February 18, 2011, specializes in the research, production, and sales of industrial gases, including dry ice and liquid carbon dioxide [2] - The company's revenue composition includes hydrogen (33.46%), carbon dioxide (31.72%), fuel products (28.50%), air separation gases (4.16%), and specialty gases (1.94%) [2] - For the first half of 2025, Kaimete Gas reported a revenue of 310 million CNY, a year-on-year increase of 10.52%, and a net profit of 55.846 million CNY, reflecting a significant growth of 199.82% [2]

Core Viewpoint - The announcement details the completion of a share reduction plan by major shareholders of Hunan Kaimete Gas Co., Ltd, indicating a total reduction of 20,860,437 shares, which is approximately 2.98% of the company's total share capital [1][2]. Share Reduction Details - The share reduction was executed by Hunan Caixin Asset Management Co., Ltd and its affiliates through centralized bidding and block trading methods within a specified period [1]. - The total shares reduced by each shareholder and the average prices are as follows: - Hunan Caixin Asset Management: 1,027.25 thousand shares at an average price of 10.37 yuan [1]. - Hunan Caixin Changqin No.1 Fund: 389.45 thousand shares at an average price of 9.49 yuan [1]. - Hunan Caixin Jingxin Investment: 654.69 thousand shares at an average price of 10.22 yuan [1]. Shareholding Situation Before and After Reduction - Before the reduction, the total shareholding was 8,449.09 thousand shares, representing 12.15% of the total share capital. After the reduction, the total shareholding decreased to 6,377.70 thousand shares, representing 9.17% of the total share capital [3][4]. - The specific shareholding changes for each entity are as follows: - Hunan Caixin Asset Management: Reduced from 4,160.75 thousand shares (5.98%) to 3,133.50 thousand shares (4.51%) [3]. - Hunan Caixin Jingxin Investment: Reduced from 2,699.88 thousand shares (3.88%) to 2,045.19 thousand shares (2.94%) [3]. - Hunan Caixin Changqin No.1 Fund: Reduced from 1,588.46 thousand shares (2.28%) to 1,199.01 thousand shares (1.72%) [3]. Compliance and Impact - The share reduction did not lead to any change in the company's control and will not affect the governance structure or daily operations of the company [4].

Group 1 - The company Kaimete Gas announced a share reduction plan, with shareholders reducing approximately 20.71 million shares, accounting for 3% of the total shares [1] - The revenue composition for Kaimete Gas in the first half of 2025 shows that environmental governance accounted for 99.79%, while other businesses made up 0.21% [1] - As of the report date, Kaimete Gas has a market capitalization of 11.8 billion yuan [2]

证券代码：002549 证券简称：凯美特气 公告编号：2025-054 一、本次减持股份情况 湖南凯美特气体股份有限公司 关于股东及其一致行动人减持计划期限届满的公告 公司股东湖南省财信资产管理有限公司、湖南省财信常勤壹号基金合伙企业 （有限合伙）、湖南财信精信投资合伙企业（有限合伙）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。 湖南凯美特气体股份有限公司（以下简称："公司"）于 2025 年 5 月 14 日披 露了《关于股东及一致行动人减持计划预披露公告》（公告编号：2025-032）。公 司股东湖南省财信资产管理有限公司（以下简称"财信资产"）及一致行动人湖南 省财信常勤壹号基金合伙企业（有限合伙）（以下简称"常勤壹号"）、湖南财信精 信投资合伙企业（有限合伙）（以下简称"财信精信"），拟共同通过集中竞价及/ 或大宗交易方式减持公司股份不超过 20,860,437 股，即不超过公司总股本 695,347,901 股的 3%。其中：以集中竞价方式减持的，在任意连续 90 个自然日内， 减持股份总数不得 ...

Market Performance - The photolithography equipment sector experienced a decline of 5.37%, ranking among the top losers in the concept sector as of the market close on September 4 [1] - Key stocks within this sector, such as Yongxin Optical and Zhangjiang Hi-Tech, hit the daily limit down, while Juguang Technology, Xinlai Materials, and Sudavige saw significant declines [1] Capital Flow - The photolithography equipment sector saw a net outflow of 2.493 billion yuan, with 36 stocks experiencing net outflows, and 8 stocks having outflows exceeding 100 million yuan [2] - Zhangjiang Hi-Tech led the outflow with a net withdrawal of 496.19 million yuan, followed by Xinlai Materials and Haili Shares with outflows of 222.6 million yuan and 221.8 million yuan, respectively [2][3] Stock Performance - Notable declines in stock prices included: - Zhangjiang Hi-Tech: -10.00% with a turnover rate of 7.17% [2] - Xinlai Materials: -13.42% with a turnover rate of 17.43% [2] - Haili Shares: -6.20% with a turnover rate of 13.43% [2] - Other significant losers included Su Dawei Ge (-12.26%), Juguang Technology (-15.20%), and several others with declines ranging from 4.10% to 11.57% [3]