Group 1 - The legal opinion letter confirms that the procedures for convening and holding the shareholders' meeting of Youyan Powder New Materials Co., Ltd. comply with relevant laws, regulations, and the company's articles of association [2][6][7] - The law firm verified the qualifications of the attendees and the convenor of the meeting, confirming that they met the legal requirements [4][5][7] - The voting procedures and results of the shareholders' meeting were conducted in accordance with legal and regulatory standards, with a significant majority of votes in favor of the proposals [6][7] Group 2 - The meeting was held on July 7, 2025, with a total of 55 shareholders present, representing 41,412,345 shares, which is 39.9502% of the total voting shares [4][5] - The voting results showed that 41,388,845 shares were in favor of the proposals, accounting for 99.9433% of the votes cast, with minimal opposition [6][7] - The law firm has agreed to publish the legal opinion letter as part of the meeting announcement materials [2][3]

证券代码：688456 证券简称：有研粉材 公告编号：2025-031 有研粉末新材料股份有限公司 2025年第二次临时股东会决议公告 本公司董事会及全体董事保证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、准确性和完整性依法承担法律责任。 重要内容提示： 本次会议是否有被否决议案：无 一、 会议召开和出席情况 （一） 股东会召开的时间：2025 年 7 月 7 日 （二） 股东会召开的地点：北京市西城区新街口外大街 2 号有研大厦 D 座 1703 会议室 （三） 出席会议的普通股股东、特别表决权股东、恢复表决权的优先股股东及 其持有表决权数量的情况： | 1、出席会议的股东和代理人人数 | 55 | | --- | --- | | 普通股股东人数 | 55 | | 2、出席会议的股东所持有的表决权数量 | 41,412,345 | | 普通股股东所持有表决权数量 | 41,412,345 | | 3、出席会议的股东所持有表决权数量占公司表决权数量的比 | 39.9502 | | 例（%） | | | 普通股股东所持有表决权数量占公司表决权数量的比例（%） | 39.9502 | ...

1. 公司 2023 年年度股东大会审议通过的《公司章程》； 2. 公司董事会于 2025 年 6 月 20 日作出的《有研粉末新材料股份有限公司 第三届董事会第三次临时会议决议》； 3. 公司 2025 年 6 月 21 日刊登于上海证券交易所网站的《有研粉末新材料 股份有限公司关于召开 2025 年第二次临时股东会的通知》（以下简称《股东会通 知》）； 4. 公司本次股东会股权登记日的股东名册； 5. 出席现场会议的股东的到会登记记录及凭证资料； 北京市金杜律师事务所 关于有研粉末新材料股份有限公司 2025 年第二次临时股东会的法律意见书 致：有研粉末新材料股份有限公司 北京市金杜律师事务所（以下简称本所）接受有研粉末新材料股份有限公司 （以下简称公司）委托，根据《中华人民共和国证券法》（以下简称《证券法》）、 《中华人民共和国公司法》（以下简称《公司法》）、中国证券监督管理委员会《上 市公司股东会规则》（以下简称《股东会规则》）等中华人民共和国境内（以下简 称中国境内，为本法律意见书之目的，不包括中国香港特别行政区、中国澳门特 别行政区和中国台湾省）现行有效的法律、行政法规、规章和规范性文件和现行 有 ...

Group 1 - Aike Cyber (688719.SH) shareholders Dachen Chuangtong and Dachen Chuanghong reduced their holdings by 2,298,151 shares, accounting for 1.99% of the total share capital, and did not complete the planned reduction [1] - Benchuan Intelligent (300964.SZ) controlling shareholder Dong Xiaojun reduced his holdings by 355,787 shares, accounting for 0.4582% of the total share capital, bringing his shareholding down to 21.64% [1] - Changlian Co., Ltd. (603648.SH) completed its reduction plan by selling 3,624,050 shares, which is 1% of the total share capital [1] Group 2 - Chuan Yi Technology (002866.SZ) controlling shareholder Zou Weimin and his concerted party reduced their holdings, with Zou's shareholding dropping to 48.53% [2] - Daoshi Technology (300409.SZ) controlling shareholder Rong Jihua plans to reduce his holdings by up to 15,416,611 shares, accounting for 1.97% of the total share capital [2] - Electric Alloy (300697.SZ) completed its reduction plan by selling 2,741,390 shares, which is 0.63% of the total share capital [2] Group 3 - Fujirei (688272.SH) shareholders Suzhou Kongkong, Suzhou Zhaorong, and Shanghai Zhaoren reduced their holdings by 1,215,618 shares, 1,463,490 shares, and 44,944 shares, accounting for 1.60%, 1.93%, and 0.06% of the total share capital respectively [3] - Gaoweida (300465.SZ) controlling shareholder Yingtan Yinggao Investment Consulting Co., Ltd. reduced its holdings by 4,261,700 shares, accounting for 0.96% of the total share capital, bringing its shareholding down to 22.00% [3] - Haizheng Materials (688203.SH) shareholder Sinopec Capital plans to reduce its holdings by up to 3,525,600 shares, accounting for 1.74% of the total share capital [3] Group 4 - Hangyu Micro (300053.SZ) shareholder Yan Jun reduced his holdings by 3,930,000 shares, accounting for 0.56% of the total share capital [4] - He Shi Eye Hospital (301103.SZ) shareholder Advanced Manufacturing Industry Investment Fund plans to reduce its holdings by up to 3,106,074 shares, accounting for 2% of the total share capital [4] - He Yuan Gas (002971.SZ) shareholder Baishide Chuangye completed its reduction plan by selling 854,064 shares, which is 0.415% of the total share capital [4] Group 5 - Huaren Health (301408.SZ) shareholder Saifu Investment reduced its holdings by 2,107,696 shares, accounting for 0.53% of the total share capital [5] - Jiangsu Boyun (301003.SZ) shareholder Gong Wei reduced his holdings by 1,558,900 shares, accounting for 1.57% of the total share capital [5] - Jeya Co., Ltd. (301108.SZ) shareholders Mingyuan Fund and its concerted party did not reduce their holdings, and the reduction plan period expired [5] Group 6 - Longxin General (603766.SH) directors plan to reduce their holdings by up to 350,000 shares and 100,000 shares, accounting for 0.0170% and 0.0049% of the total share capital respectively [6] - Ruchuang Micro-Nano (688002.SH) shareholder Li Weicheng plans to reduce his holdings by up to 8,000,000 shares, accounting for 1.75% of the total share capital [6] - Shilan Micro (600460.SH) shareholder Luo Huabing plans to reduce his holdings by up to 500,000 shares, accounting for 0.03005% of the total share capital [6] Group 7 - Tongfu Microelectronics (002156.SZ) shareholder National Integrated Circuit Industry Investment Fund reduced its holdings by 15,175,969 shares, accounting for 1% of the total share capital [7] - Wangzi New Materials (002735.SZ) controlling shareholder Wang Jinjun reduced his holdings by 9,717,874 shares, accounting for 2.54% of the total share capital [7] - Xingye Co., Ltd. (603928.SH) shareholder Shen Genzhen reduced his holdings by 2,620,000 shares, accounting for 1.00% of the total share capital [7] Group 8 - Yikang Co., Ltd. (301085.SZ) controlling shareholder concerted party reduced its holdings by 633,700 shares, accounting for 0.73% of the total share capital [8] Group 9 - Yiming Pharmaceutical (002826.SZ) major shareholder Zhou Zhan reduced his holdings by 3,586,777 shares, accounting for 1.88% of the total share capital [9] - Yiming Pharmaceutical (002826.SZ) director Xi Ke reduced his holdings by 283,862 shares, accounting for 0.15% of the total share capital [9] - Youyan Powder Materials (688456.SH) concerted party reduced its holdings by 1,030,000 shares, accounting for 0.99% of the total share capital [9] Group 10 - Zhongma Transmission (603767.SH) directors plan to reduce their holdings through block trading and centralized bidding [10] - Zhongqi Co., Ltd. (301215.SZ) shareholder Jiangsu Yueda Group did not reduce its holdings, and the reduction plan period expired [10]

证券代码：688456 证券简称：有研粉材 公告编号：2025-030 有研粉末新材料股份有限公司 股东权益触及 1%刻度暨控股股东一致行动人减持 股份计划完成结果公告 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、准确性和完整性依法承担法律 责任。 重要内容提示： 控股股东一致行动人持股的基本情况 本次减持计划实施前，有研粉末新材料股份有限公司（以下简称公司）控股 股东中国有研科技集团有限公司（以下简称中国有研）一致行动人，有研鼎盛投 资发展有限公司（以下简称有研鼎盛）持有公司股份 1,613,250 股，占公司总股 本的 1.56%，全部为无限售条件股。上述股份为公司首次公开发行前取得的股份， 并已于 2024 年 3 月 18 日解除限售并上市流通。 减持计划的实施结果情况 公司于 2025 年 5 月 26 日在上海证券交易所网站（www.see.com.cn）披露了 《控股股东一致行动人减持股份计划公告》，因股东自身战略发展资金需求，有 研鼎盛拟自公告披露之日起 15 个交易日后的 3 个月内通过集中竞价方式减持其 所持有的公司股份合 ...

有研粉末新材料股份有限公司 2025 年第二次临时股东会 会议资料 2025 年 7 月 7 日 2025 年第二次临时股东会文件 目录 | 2025 | 年第二次临时股东会会议议程 | 2 | | --- | --- | --- | | 2025 | 年第二次临时股东会会议须知 | 4 | | 议案一：关于追加 | 2025 | 年度财务预算的议案 7 | 1 2025 年第二次临时股东会文件 2025 年第二次临时股东会会议议程 一、会议时间：2025 年 7 月 7 日（星期一）下午 14:30 二、会议地点：北京市西城区有研大厦 D 座 1703 会议室 三、投票方式：现场投票和网络投票相结合的方式 四、网络投票系统：上海证券交易所股东大会网络投票系统， 通过交易系统投票平台的投票时间为 2025 年 7 月 7 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 2025 年 7 月 7 日 9：15—15：00。 五、主持人：董事长贺会军 六、会议议程 （一）参会人员签到； （二）主持人宣布会议开始； （三）主持人宣布现场参会股 ...

Summary of Key Points Core Viewpoint - The company, Youyan Powder Materials Co., Ltd., is providing a credit guarantee of up to RMB 80 million for its wholly-owned subsidiary, GRIPM Advanced Materials (Thailand) Co., Ltd., to support its financing needs for operational expansion and production requirements in Thailand [1][4]. Group 1: Guarantee Overview - The maximum amount of the credit guarantee provided by the company for GRIPM Thailand is RMB 80 million, with an actual guarantee balance of RMB 0 as of the announcement date [1]. - The guarantee does not constitute a related party transaction and has no counter-guarantee [1]. - The board of directors approved the guarantee, which does not require shareholder meeting approval [1]. Group 2: Subsidiary Financials - As of December 31, 2024, GRIPM Thailand had total assets of RMB 1.699 billion and total liabilities of RMB 755.9 million, resulting in a net asset value of RMB 943.1 million [2]. - The asset-liability ratio was 44.49% as of December 31, 2024, and 43.17% as of March 31, 2025 [2]. - For the year 2024, the operating revenue was RMB 283.7 million, with a net loss of RMB 82 million [2]. Group 3: Guarantee Agreement Details - The company has not yet signed a guarantee agreement; the stated guarantee amount is the maximum expected, subject to bank approval [3]. - The guarantee is necessary for GRIPM Thailand to meet the lending requirements of Chinese banks, which require full guarantees from the parent company for overseas financing [4]. Group 4: Board Opinion - The board meeting on June 20, 2025, approved the guarantee with a vote of 7 in favor, emphasizing that it aligns with the operational needs of the subsidiary and does not harm the interests of the company or its shareholders [4][5]. - The total amount of the guarantee represents 6.5% of the company's most recent audited net assets and total assets [4].

证券代码：688456 证券简称：有研粉材 公告编号：2025-029 有研粉末新材料股份有限公司 关于为全资子公司提供对外担保的公告 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、准确性和完整性依法承担法律责任。 重要内容提示： 被担保人：GRIPM Advanced Materials (Thailand) Co., Ltd.（以下简 称有研泰国），系有研粉末新材料股份有限公司（以下简称公司或有研粉材）直 接及间接控股的全资子公司。 本次担保金额及已实际为其提供的担保余额：本次公司为有研泰国提供 信用担保的最高金额为人民币 0.8 亿元。截至本公告披露日，公司已实际为有研 泰国提供的担保余额为 0 元（不含本次担保）。 一、担保情况概述 有研泰国于 2024 年 6 月开始运营泰国新建产业基地，因新产业运营及业务 扩张较快，资金压力较大，为满足生产经营和发展需要，2025 年度有研泰国拟 向银行申请对外债务融资 0.8 亿元。因泰国本地金融机构（如汇商银行）融资成 本较高，经综合比较，有研泰国拟向中国建设银行（亚洲）股份有限公司等中资 银行申请不超过 ...

一、 召开会议的基本情况 （一） 股东会类型和届次 2025年第二次临时股东会 （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 证券代码：688456 证券简称：有研粉材 公告编号：2025-028 有研粉末新材料股份有限公司 关于召开2025年第二次临时股东会的通知 本公司董事会及全体董事保证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、准确性和完整性依法承担法律责任。 重要内容提示： （四） 现场会议召开的日期、时间和地点 召开日期时间：2025 年 7 月 7 日 14 点 30 分 召开地点：北京市西城区新街口外大街 2 号有研大厦 D 座 1703 会议室 （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大会网络投票系统 网络投票起止时间：自2025 年 7 月 7 日 至2025 年 7 月 7 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 股东会召开日期：2025年7月7日 本次股东会采用的网络投票系统：上海证券交易所股东大会网络投票系 统 东会召开当 ...

Summary of Key Points Core Viewpoint - The company Youyan Powder Materials (688456) has announced a cash dividend distribution of 0.2 yuan per share, with the ex-dividend date set for June 18, 2025, following approval at the annual shareholders' meeting on May 27, 2025 [1]. Company Performance - As of June 13, 2025, Youyan Powder Materials closed at 35.3 yuan, reflecting a 1.38% increase from the previous week's closing price of 34.82 yuan [1]. - The stock reached a weekly high of 36.33 yuan on June 11, 2025, and a low of 34.5 yuan on June 10, 2025 [1]. - The company's current total market capitalization is 3.659 billion yuan, ranking 25th out of 30 in the metal new materials sector and 3737th out of 5150 in the A-share market [1]. Dividend Distribution Details - The total cash dividend to be distributed amounts to 20.732 million yuan, based on a total share capital of 103,660,000 shares [1]. - For individual shareholders holding unrestricted shares for over one year, the dividend income is exempt from personal income tax; for those holding for one year or less, tax will be calculated upon stock transfer [1]. - For restricted shares, the effective tax burden on dividends is 10%, resulting in a net cash dividend of 0.18 yuan per share [1]. - Qualified Foreign Institutional Investors (QFII) and Hong Kong investors through the Shanghai-Hong Kong Stock Connect will also have a 10% corporate income tax withheld, leading to a net cash dividend of 0.18 yuan per share [1].