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 2024 年年度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地区）现行有效的法律、行政法规、规章和规范性文件和现 行有效的《有研粉末新材料股份有限公司章程》（以下简称《公司章程》）有关规 定，指派律师对公司于 2025 年 5 月 27 日召开的 2024 年年度股东会（以下简称 本次股东会）进行见证，并就本次股东会相关事项出具本法律意见书。 为出具本法律意见书，本所律师审查了公司提供的以下文件，包括但不限于： 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 4 月 24 日作出的《有研粉末新材料股份有限公司 第三届董事会第 ...

Group 1 - Northern Long Dragon is planning to acquire the controlling stake of Henan Zhongsheng and raise matching funds, leading to a stock suspension [1] - The company specializes in the research, design, production, and sales of non-metal composite materials for military vehicle equipment [1] - Koyuan Pharmaceutical's major shareholder plans to reduce their stake by up to 3%, amounting to 324.87 million shares [2] Group 2 - Jiaste Technology's shareholder intends to reduce their stake by up to 3%, totaling 1,428.75 million shares [2] - Chengdi Xiangjiang's subsidiary has won a bid for a data center project with China Mobile, valued at 492 million yuan [3] - Zhongchao Holdings' actual controller sold 223 million shares during a period of stock price fluctuation, representing 0.16% of total shares [4] Group 3 - ST Yushun's stock will resume trading after confirming no significant changes in its operational environment [6] - Xing Shuai Er's shareholder plans to reduce their stake by up to 0.37%, equating to 130 million shares [7] - Weiguang Co. intends to reduce its stake by up to 1.32%, totaling 300 million shares [8] Group 4 - Zhongsheng Pharmaceutical's subsidiary has received ethical approval for two Phase III clinical trials for its innovative peptide drug RAY1225 [9][10] - Nongxin Technology's major shareholder plans to reduce their stake by up to 1.35%, amounting to 135 million shares [12] - Mintai Aluminum has signed a strategic cooperation agreement with Penghui Energy for collaboration in battery technology [14] Group 5 - Youyan Powder's controlling shareholder plans to reduce their stake by up to 1%, totaling 103 million shares [16] - Runjian Co. has been shortlisted for a procurement project with China Mobile, valued at 374 million yuan [17] - Bangyan Technology has terminated its plan to issue shares and raise funds for asset acquisition [18] Group 6 - Xianggang Technology's controlling shareholder intends to reduce their stake by up to 3%, equating to 648.42 million shares [19] - Zhongke Shuguang is undergoing a stock suspension due to a planned share swap merger with Haiguang Information [20]

Core Viewpoint - The controlling shareholder's action to reduce its stake in the company indicates a strategic financial decision driven by funding needs [1] Group 1 - The controlling shareholder, Youyan Dingsheng Investment Development Co., Ltd., plans to reduce its holdings by up to 1.03 million shares, representing 1% of the company's total share capital [1] - Youyan Dingsheng currently holds 1.56% of the company's shares, all of which are unrestricted and were acquired prior to the company's initial public offering [1] - The reason for the reduction is attributed to the funding requirements for Youyan Dingsheng's own strategic development [1]

证券代码：688456 证券简称：有研粉材 公告编号：2025-024 有研粉末新材料股份有限公司 控股股东一致行动人减持股份计划公告 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： 截至本公告日，有研粉末新材料股份有限公司（以下简称公司）控股股 东一致行动人，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。 公司近日收到股东有研鼎盛发出的《减持股份告知函》。因自身战略发 展资金需求，有研鼎盛拟自本公告披露之日起 15 个交易日后的 3 个月内通过集 中竞价方式减持所持有公司股份合计不超过 103 万股，不超过公司总股本的 1%。 若公司在上述减持计划实施期间发生送红股、转增股本、增发新股或配股等股本 除权、除息事项的，则上述减持计划将作相应调整。 | 股东名称 | 有研鼎盛投资发展有限公司 | | | | --- ...

Group 1: Stock Performance - Yibin Paper (600793.SH) has experienced a significant short-term stock price increase and a substantial rise in trading volume [1] - Sanofi Health (688336.SH) has seen a cumulative stock price increase of over 100% since May 19, 2025, indicating potential irrational speculation and a possible correction [1] - Laisun Tongling (603900.SH) has shown a notable short-term increase in stock price and turnover rate, exceeding most companies in the industry [1] Group 2: Project Investments - Youyan Powder Materials (688456.SH) plans to establish a subsidiary to invest in an additive manufacturing metal powder materials industrial base [1] - Suqian Agricultural Development (601952.SH) intends to initiate a project for the construction of a 14,000-ton grain storage facility [1] Group 3: Contract Awards - Zhongnan Media (601098.SH) has signed a procurement contract through its wholly-owned subsidiary [1] Group 4: Operating Data - China Power Construction (601669.SH) reported a total new contract amount of 386.49 billion yuan from January to April, a year-on-year decrease of 4.9% [1] - China Chemical (601117.SH) recorded a total contract amount of 123.017 billion yuan from January to April [1] Group 5: Equity Acquisitions - Health元 (600380.SH) announced that its controlling subsidiary, Lizhu Group, plans to acquire equity in Vietnam's IMP company [1] Group 6: Share Buybacks - Geling Deep Vision (688207.SH) has completed a buyback of 1.29% of its shares [1] Group 7: Shareholding Changes - Yiwan Yichuang (300792.SZ) shareholders Zhang Fan and director Lu Hualiang plan to reduce their holdings by up to 3.02% [1] - Daqian Ecology (603955.SH) has announced that Xinhua Publishing Group intends to reduce its holdings by up to 3% [1] - Hongli Zhihui (300219.SZ) controlling shareholder plans to increase holdings by 25 million to 50 million yuan [1] - Sanfeng Environment (601827.SH) controlling shareholder intends to increase holdings by 150 million to 300 million yuan [1] - Chengdu Xian Dao (688222.SH) plans to increase holdings by 25 million to 50 million yuan [1] Group 8: Strategic Partnerships - Tiantie Technology (300587.SZ) has signed a strategic cooperation framework agreement with Xinjie Energy [2]

Group 1 - Hongchuang Holdings plans to acquire 100% equity of Shandong Hongtuo Industrial for 63.518 billion yuan, transforming from a single aluminum deep processing business to a full industry chain including electrolytic aluminum, alumina, and aluminum deep processing [3] - LIZHU Group intends to acquire 64.81% of Vietnam's Imexpharm Corporation for approximately 1.587 billion yuan, enhancing its presence in the pharmaceutical sector [4][5] - China Power Construction reported a new contract amount of 386.49 billion yuan from January to April, a year-on-year decrease of 4.9% [7] Group 2 - Wanhua Chemical announced a scheduled maintenance for its production facilities, including a five-month technical upgrade for its Yantai ethylene unit, which will not significantly impact operations [8] - Changhong High-Tech received a warning letter from the Ningbo Securities Regulatory Bureau for failing to disclose related party transactions in a timely manner [9] - Highgreat plans to invest 10 million yuan in Blue Core Computing, which focuses on RISC-V architecture chips [10] Group 3 - Xidi Micro plans to increase capital by 30 million USD in its wholly-owned subsidiary Hong Kong Xidi Micro to support its expanding business [12] - Bichuang Technology lost its high-tech enterprise qualification, resulting in an increase in corporate income tax rate from 15% to 25% for the years 2023 to 2025 [13] - Tonghua Dongbao intends to transfer 5.7% of its shares in Xiamen Tebao Biological Engineering for a total of 1.301 billion yuan [16] Group 4 - Tian Tie Technology signed a strategic cooperation agreement with Shenzhen Xinjie Energy to collaborate on solid-state battery lithium metal anode materials [23] - Nanjing Port disclosed that its stock trading has shown signs of market sentiment overheating, indicating potential irrational trading behavior [24] - Zhongnan Media signed a government procurement contract worth 1.009 billion yuan, ensuring stable revenue for its main business [25]

委托人应在委托书中"同意"、 委托人签名（盖章）： 受托人签名： 委托人身份证号： 受托人身份证号： 委托日期： 年 月 日 "反对"或"弃权"意向中选择一个并打"√"， 对于委托人在本授权委托书中未作具体指示的，受托人有权按自己的意愿进行表 决。 证券代码：688456 证券简称：有研粉材 公告编号：2025-023 有研粉末新材料股份有限公司 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。 一、 股东会有关情况 股份类别 股票代码 股票简称 股权登记日 A股 688456 有研粉材 2025/5/22 二、 更正补充事项涉及的具体内容和原因 公司于 2025 年 5 月 7 日在上海证券交易所网站（www.sse.com.cn）、《中国 证券报》《上海证券报》披露了《有研粉末新材料股份有限公司关于召开 2024 年年度股东会的通知》（编号 2025-020），定于 2025 年 5 月 27 日 15 点 00 分在 北京市西城区新街口外大街 2 号有研大厦 D 座 1703 会议室召开 2024 年年度股东 会。因考虑 ...

证券代码：688456 证券简称：有研粉材 公告编号：2025-022 有研粉末新材料股份有限公司 关于增材制造金属粉体材料产业基地建设项目立项 暨新设下属子公司的公告 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： 投资标的名称：有研增材技术（山东）有限公司（尚未设立），公司名 称以当地相关部门最终注册核准的名称为准，以下简称有研增材山东。 投资建设简要内容：有研粉末新材料股份有限公司（以下简称有研粉材 或公司）拟以自有或自筹资金对控股子公司有研增材技术有限公司（简称有研增 材）增资，并由有研增材设立全资子公司有研增材山东，有研增材山东作为实施 主体投资建设增材制造金属粉体材料产业基地。项目总投资 2 亿元人民币，其中， 有研粉材投资 1.6 亿元，钢研投资有限公司（以下简称钢研投资）投资 0.4 亿元， 双方对有研增材进行增资。 本次项目投资建设事宜仅为项目立项，具体投资金额、项目建设方式、 股权合作方及出资金额等均未确定，尚需在可行性研究基础上进一步协商，本次 投资建设以最终签署的文件为准，能否达成存 ...

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。 一、 股东会有关情况 证券代码：688456 证券简称：有研粉材 公告编号：2025-023 有研粉末新材料股份有限公司 关于2024年年度股东会变更会议地点的公告 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 1. 原股东会的类型和届次： 2024年年度股东会 | 股份类别 | | 股票代码 | 股票简称 | 股权登记日 | | --- | --- | --- | --- | --- | | A | 股 | 688456 | 有研粉材 | 2025/5/22 | 二、 更正补充事项涉及的具体内容和原因 公司于 2025 年 5 月 7 日在上海证券交易所网站（www.sse.com.cn）、《中国 证券报》《上海证券报》披露了《有研粉末新材料股份有限公司关于召开 2024 年年度股东会的通知》（编号 2025-020），定于 2025 年 5 月 27 日 15 点 00 分在 北京市西城区新街口外大街 2 号有研大厦 D 座 1703 会议室召开 2024 年年度股东 会。因考虑参会人数较多，本次股东会召开地点变更为： ...

Core Viewpoint - The company plans to invest in its subsidiary, Yuyuan Additive, to establish a new subsidiary in Shandong for the development of a metal powder material manufacturing base, with a total investment of 200 million RMB [1] Investment Details - The total investment for the project is 200 million RMB, with Yuyuan Powder Materials contributing 160 million RMB and Steel Research Investment Co., Ltd. contributing 40 million RMB [1] - The registered capital of the new subsidiary, Yuyuan Additive Shandong, is 50 million RMB [1] Project Specifications - The project will cover an area of approximately 60 acres and will have a total construction area of 20,400 square meters [1] - The construction period for the project is set at 18 months [1]