Group 1 - Oumei Medical (002950.SZ) shareholder Chen Haohua reduced holdings by 4.214 million shares, accounting for 0.67% of total shares, bringing his stake down to 10.87% [1] - Bestar (300822.SZ) shareholders plan to reduce holdings by up to 9.298731 million shares, representing 3% of total shares, within three months after 15 trading days [1] - Boying Special Welding (301468.SZ) shareholder Shenzhen Zhanxing Fund has reduced holdings by 2.616 million shares, accounting for 1.98% of total shares, since the disclosure of the reduction plan [1] Group 2 - Guizhou Gas (600903.SH) shareholders plan to reduce holdings by up to 34.5 million shares, representing 3% of total shares, within three months after 15 trading days [2] - Guotai Group (603977.SH) controlling shareholder has reduced holdings by 1.652 million shares, accounting for 0.266% of total shares, with the reduction plan completed [2] - Hongjing Technology (301396.SZ) directors plan to reduce holdings by up to 1.535 million shares, each accounting for 1% of total shares, within three months after 15 trading days [2] Group 3 - Huazhong Group (301027.SZ) senior management plans to reduce holdings by up to 32.8 million shares, 600,000 shares, 150,000 shares, and 500,000 shares respectively within three months after 15 trading days [1][2] - Mingyang Electric (301291.SZ) shareholders have completed a reduction of 3.23 million shares, accounting for 1.03% of total shares, with one shareholder required to buy back shares due to price issues [4] - Olin Bio (688319.SH) controlling shareholder plans to reduce holdings by up to 12.178 million shares, representing 3% of total shares, within three months after 15 trading days [5] Group 4 - Xinhai Technology (688595.SH) repurchase account reduced holdings by 1.071844 million shares, accounting for 0.75% of total shares, with the reduction plan completed [7] - Zhonghua Rock and Soil (002542.SZ) director Wang Hao completed a reduction of 500,000 shares, accounting for 0.0277% of total shares [8] - Zhongze Special Materials (300963.SZ) shareholder Shanghai Dunjia plans to reduce holdings by up to 8.0885 million shares, representing 1.76% of total shares, within three months after 15 trading days [9]

Summary of Key Points Core Viewpoint - The announcement details the share reduction plan executed by the company's Vice President, Lu Lei, who has reduced his holdings in the company, Shanghai Zhichun Clean System Technology Co., Ltd. [1] Group 1: Shareholding Information - Before the reduction plan, Lu Lei held 660,000 shares, representing 0.17% of the company's total share capital, acquired through equity incentives [1] - After the reduction, Lu Lei's remaining shareholding is 495,000 shares, which is 0.13% of the total share capital [1] Group 2: Reduction Plan Implementation - The reduction plan was first disclosed on June 14, 2025, with a maximum intended reduction of 165,000 shares, equating to no more than 0.04% of the total share capital [1] - The actual reduction was completed successfully, with Lu Lei selling 165,000 shares through centralized bidding, achieving a total amount of approximately 4,095,367.60 yuan [1] - The share price during the reduction ranged from 24.50 to 25.10 yuan per share [1] Group 3: Compliance with Reduction Plan - The actual reduction was consistent with the previously disclosed plan, and the minimum reduction quantity was met [1] - The reduction plan was completed ahead of schedule [1]

证券代码：603690 证券简称：至纯科技 公告编号：2025-067 上海至纯洁净系统科技股份有限公司 高级管理人员减持股份结果公告 1 本公司董事会、全体董事及相关股东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： 高级管理人员持股的基本情况 本次减持计划实施前，上海至纯洁净系统科技股份有限公司（以下简称"至 纯科技"）副总经理陆磊先生持有公司股份 660,000 股，占公司总股本的 0.17%。 上述股份来源于公司股权激励所取得的股份。 减持计划的实施结果情况 公司于 2025 年 6 月 14 日披露了《高级管理人员减持股份计划公告》（公告 编号：2025-057），公司副总经理陆磊先生拟通过集中竞价的方式减持其直接持 有的不超过 165,000 股的公司股份，减持数量占公司总股本的比例不超过 0.04%。 本次股份减持期间，陆磊先生通过集中竞价交易方式减持公司股份 165,000 股， 占公司总股本的 0.04%。 股东名称 陆磊 股东身份 控股股东、实控人及一致行动人 □是 √否 直接持股 5%以上股东 □是 √否 董事 ...

Group 1 - The core point of the news is that Lu Lei, a senior executive of Zhichun Technology, sold 78,000 shares of the company at an average price of 24.58 yuan, totaling approximately 1.92 million yuan, reducing his holdings to 582,000 shares [1][3] - Zhichun Technology's main business includes technology development, transfer, consulting, and services in electronic, optical fiber, biotechnology, and environmental technology fields, as well as the design and installation of water treatment systems and cleanroom facilities [2] - As of December 31, 2024, Zhichun Technology's revenue from system integration was 2.83 billion yuan, accounting for 78.51% of total revenue, while equipment business revenue was 606 million yuan, making up 16.80% [2] Group 2 - The total market capitalization of Zhichun Technology is 9.637 billion yuan as of the latest closing [4]

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。 上海至纯洁净系统科技股份有限公司 为子公司提供担保的进展公告 证券代码：603690 证券简称：至纯科技 公告编号：2025-066 重要内容提示： 近日，因公司全资及控股子公司江苏系统集成和泛楒立光电向银行申请授信 贷款、合肥至微半导体办理融资租赁事项，公司与江苏银行股份有限公司南通分 行、上海农村商业银行股份有限公司张江科技支行、安徽兴泰融资租赁有限责任 公司分别签订了《最高额保证合同》《保证合同》《法人保证合同》。本次公司 为江苏系统集成提供担保金额为 500 万元，截至本公告日累计为其提供担保余额 为 18,000.00 万元；本次公司为泛楒立光电提供担保金额为 1,000 万元，截至本 公告日累计为其提供担保余额为 4,800.00 万元；本次公司为合肥至微半导体提供 担保金额为 4,000 万元，截至本公告日累计为其提供担保余额为 29,405.93 万元； 本次担保事项后的累计担保金额，均在公司股东会批准的担保额度范围内。 二、被担保人基本情况 被担保人名称及是否为 ...

Group 1 - The company announced a share repurchase plan using a combination of bank loans and its own funds, with a maximum repurchase price set at RMB 33.65 per share and a total repurchase amount between RMB 80 million and RMB 160 million [1][2] - The share repurchase period is set for 12 months from the board's approval date, and the repurchased shares will be used for employee stock ownership plans or equity incentives [1][2] - The company will adjust the maximum repurchase price if there are changes in total share capital due to actions such as cash dividends or stock splits [2][3] Group 2 - The maximum repurchase price has been adjusted from RMB 33.65 to RMB 33.60 per share, effective from July 15, 2025, due to the distribution of cash dividends [3][4] - The cash dividend per share is calculated to be approximately RMB 0.0496 based on the adjusted total share capital [4] - Other aspects of the share repurchase plan remain unchanged, and the company will comply with relevant regulations for timely information disclosure [5]

Core Viewpoint - Shanghai Zhichun Clean System Technology Co., Ltd. has announced an adjustment to the maximum repurchase price of its shares following a cash dividend distribution, reflecting changes in the company's capital structure and shareholder returns [1][2]. Share Repurchase Basic Information - The company will repurchase its shares using a combination of a special loan from Industrial Bank Co., Ltd. and its own funds, with a total repurchase amount between RMB 80 million and RMB 160 million [1]. - The maximum repurchase price was adjusted from RMB 33.65 per share to RMB 33.60 per share, effective from July 15, 2025 [2][3]. Reasons for Price Adjustment - The adjustment in the repurchase price is due to the cash dividend distribution of RMB 0.05 per share, which necessitates a recalibration of the repurchase price to maintain the total cash dividend amount [1][2]. - The calculation for the adjusted repurchase price considers the cash dividend and the company's total share capital changes [2]. Other Matters - Other aspects of the share repurchase plan remain unchanged, and the company will comply with relevant regulations for timely information disclosure [3][4].

证券代码：603690 证券简称：至纯科技 公告编号：2025-065 上海至纯洁净系统科技股份有限公司关于 2024 年度 权益分派后调整回购股份价格上限的公告 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： 一、股份回购基本情况 上海至纯洁净系统科技股份有限公司（以下简称"公司"）于 2024 年 10 月 28 日召开第五届董事会第八次会议审议通过《关于以集中竞价交易方式回购 股份方案的议案》，同意公司使用兴业银行股份有限公司上海分行提供的专项贷 款及自有资金以集中竞价交易方式回购公司已发行的部分人民币普通股股票。回 购的股份将在未来适宜时机全部用于员工持股计划或股权激励，回购价格不超过 人民币 33.65 元/股（含），回购资金总额不低于人民币 8,000 万元（含），不超 过人民币 16,000 万元（含），回购期限自公司董事会审议通过本次回购方案之 日起 12 个月内。具体内容详见公司分别于 2024 年 10 月 29 日、2024 年 11 月 1 日在上海证券交易所网站披露的《关于以集中竞价交 ...

Core Points - The company announced a cash dividend distribution of 0.0501 CNY per share for the fiscal year 2024, approved at the annual shareholders' meeting on June 16, 2025 [2][4] - The total cash dividend to be distributed amounts to approximately 19.01 million CNY, based on a total share capital of 383,644,650 shares, excluding shares held in the repurchase account [4][5] - The dividend distribution will be executed through the China Securities Depository and Clearing Corporation Limited, with specific provisions for different types of shareholders regarding tax implications [9][12] Dividend Distribution Details - The cash dividend of 0.0501 CNY per share is applicable to all shareholders registered by the end of the trading day prior to the dividend record date [3][4] - The company will adjust the per-share cash distribution if there are changes in total share capital due to events like convertible bond conversions or share repurchases, while maintaining the total cash dividend amount [4][5] - The reference price for ex-dividend trading will be calculated based on the previous closing price minus the cash dividend, with no change in the number of circulating shares [6][7] Tax Implications - For individual shareholders holding unrestricted shares, the company will not withhold income tax at the time of dividend distribution, but tax will be calculated based on the holding period when shares are sold [9][10] - For foreign institutional investors (QFII), a withholding tax of 10% will be applied to the dividend, resulting in a net distribution of approximately 0.04509 CNY per share after tax [11][12] - Different tax treatments apply to various categories of shareholders, including those holding restricted shares and investors from Hong Kong, with specific guidelines for tax treaty benefits [10][12]

国浩律师(上海)事务所 法律意见书 国浩律师(上海)事务所 关于上海至纯洁净系统科技股份有限公司 实施差异化权益分派之 法律意见书 致:上海至纯洁净系统科技股份有限公司 国浩律师(上海)事务所(以下简称"本所")接受上海至纯洁净系统科技 股份有限公司(以下简称"至纯科技"或"公司")的委托,就公司 2024年度 实施差异化权益分派(以下简称"本次差异化分派")事项,按照律师行业公认 的业务标准、道德规范和勤勉尽责精神,开展核查工作,出具本法律意见书。 第一节 引言 本所律师依据本法律意见书出具日以前已发生或存在的事实和中国现行法 律、法规和中国证券监督管理委员会的有关规定发表法律意见,并声明如下; (一)本所及本所律师依据《中华人民共和国证券法》《律师事务所从事证 券法律业务管理办法》和《律师事务所证券法律业务执业规则(试行)》等规定 及本法律意见书出具目以前已经发生或者存在的事实,严格履行了法定职责, 遵循了勤勉尽责和诚实信用原则,进行了充分的核查验证,保证本法律意见书 所认定的事实真实、准确、完整,所发表的结论性意见合法、准确,不存在虚 假记载、误导性陈述或者重大遗漏,并承担相应法律责任; (二)公司保证 ...