Group 1 - Zhaoyi Innovation plans to issue H-shares and list on the Hong Kong Stock Exchange, considering the interests of existing shareholders and market conditions [3] - ST Zhongdi has decided to abandon the commercial opportunity for the Jiageng Ke Yi City land project, with the controlling shareholder planning to develop the project instead [4] - Xichang Electric Power expects a reduction of approximately 5.4 million yuan in net profit for 2025 due to adjustments in the time-of-use electricity pricing mechanism [5] Group 2 - Sanfu New Materials intends to invest 620 million yuan in a project for high-safety dry electrode battery key materials and high-frequency electronic information composite materials [6] - Weifu High-Tech's subsidiary plans to establish a joint venture with Baolong Technology to expand the active suspension motor hydraulic pump business [7] - Yulong Co., Ltd. will have its stock delisted on May 27, 2025, following a decision by the Shanghai Stock Exchange [8] Group 3 - Chen'an Technology's shareholder is transferring 6.27% of the company's shares to Hefei Guotou, aiming to introduce strategic investors [9] - Huamao Technology is planning to acquire a 100% stake in Fuchuang Youyue, with stock trading suspended for up to 10 trading days [11] - Baolong Technology's subsidiary will collaborate with Weifu High-Tech's subsidiary to develop core components for the active suspension system [12] Group 4 - Zhongnong Lihua intends to acquire at least 50% of Taizhou Agricultural Supplies, enhancing its product and service range [13] - Weiling Co., Ltd.'s subsidiary has successfully acquired 74.3% of Jiayu Mining for 220 million yuan, focusing on expanding into the non-ferrous metal resource sector [14][15] - Hengshi Technology's subsidiary has been approved for public transfer of shares on the New Third Board [16] Group 5 - Xiang Teng New Materials plans to acquire an additional 12.5% stake in its subsidiary Shanghai Shangda for 25.3 million yuan [17] - ST Texin has extended its employee stock ownership plan by 12 months, reflecting confidence in the company's long-term development [18] - Baili Electric has issued a risk warning regarding its stock price increase, indicating no significant changes in fundamentals [19] Group 6 - Hu Silicon Industry plans to acquire minority stakes in three semiconductor companies for approximately 7.04 billion yuan [20][21] - Demais plans to change its controlling shareholder, leading to a temporary suspension of stock trading [22] - FAW Fuwei has received a notice from a well-known new energy brand for a project expected to generate 1.06 billion yuan in total sales over its lifecycle [23] Group 7 - Hangyang Co. plans to establish a subsidiary for a large modular cryogenic equipment manufacturing project with an estimated investment of 557 million yuan [24] - Jiewate intends to acquire 40.89% of Tianyi Hexin for 319 million yuan, enhancing its product line in the signal chain category [25] - Dingxin Communications has elected a new chairman following the resignation of the previous chairman [26][27] Group 8 - Aofei Entertainment plans to invest 10 million yuan in a partnership to indirectly invest in AI robotics company Xuan Yuan Technology [28] - Huaxi Energy's controlling shareholder has been detained, but the company states that operations remain normal [29] - Yihe Jiaye will change its stock name to "Ruimaite" starting May 21 [30] Group 9 - Zhongjin Environment will change its name to "Southern Pump Industry" effective May 21 [31] - Hong Sifang's subsidiary plans to invest approximately 1.49 billion yuan in a new chemical materials and fertilizers industrial park [32] - Buchang Pharmaceutical's subsidiary has signed a research agreement for MF59 adjuvant with a pharmaceutical company [33] Group 10 - Hongjing Technology has signed a service contract worth 597 million yuan for a smart computing project [34] - Zhuojin Co. has won a bid for a soil remediation project worth 67.68 million yuan [35] - Xinjiang Jiaojian has been awarded a contract for a highway project valued at 451 million yuan [36] Group 11 - China National Materials Energy's subsidiary has signed a contract for an EPC project in Uzbekistan worth approximately 1.252 billion yuan [37] - Ruixin Microelectronics' shareholder plans to reduce its stake by up to 2% [38] - Shanghai Yizhong's shareholder also plans to reduce its stake by up to 2% [39] Group 12 - Sanyou Medical's controlling shareholder plans to reduce its stake by up to 1.44% [40] - Hangdian Co.'s controlling shareholder plans to reduce its stake by up to 1.93% [41] - Shangwei New Materials' shareholder plans to reduce its stake by up to 3% [42] Group 13 - Mingchen Health plans to repurchase shares worth between 30 million and 50 million yuan [43] - Jiuhua Tourism plans to raise up to 500 million yuan through a private placement for various projects [44] - Yuegui Co. plans to raise up to 900 million yuan for several projects [46]

Group 1 - Zhaoyi Innovation plans to issue H-shares and list on the Hong Kong Stock Exchange, considering the interests of existing shareholders and market conditions [3] - ST Zhongdi has decided to abandon the commercial opportunity for the Jiageng Science and Art City land project, which has an area of 108,600 square meters and a starting price of 2.067 billion yuan [4] - Xichang Electric Power expects a reduction of approximately 5.4 million yuan in net profit for 2025 due to adjustments in the time-of-use electricity pricing mechanism [5] Group 2 - Sanfu New Technology plans to invest 620 million yuan in a project for high-safety dry electrode battery key materials and high-frequency electronic information composite materials, with production expected to start in June 2025 [6] - Weifu High-Tech's subsidiary will establish a joint venture with Baolong Technology to expand the business of fully active suspension motor hydraulic pumps, with a registered capital of 400 million yuan [7] - Yulong Co., Ltd. will have its stock delisted on May 27, 2025, following a decision by the Shanghai Stock Exchange [8] Group 3 - Chensan Technology's shareholder Shanghai Ruiwei will transfer 14.58 million shares, representing 6.27% of the company, to Hefei Guotou, with the transfer price set at 17.7 yuan per share [10] - Huamao Technology is planning to acquire a 100% stake in Fuchuang Youyue, currently holding 42.16% of the company, with stock trading suspended for up to 10 days [11] - Baolong Technology's subsidiary will partner with Weifu High-Tech's subsidiary to develop and mass-produce core components for fully active suspension systems [12] Group 4 - Buchang Pharmaceutical's subsidiary has signed a commissioned research agreement with Fubicheng Pharmaceutical for the MF59 emulsion adjuvant [14] - Hongjing Technology has signed a service contract worth 597 million yuan for a smart computing project, with a duration of five years [15] - Zhuojin Co., Ltd. has won a bid for a soil remediation project worth 67.68 million yuan, with an expected share of approximately 59.9 million yuan [16] - Xinjiang Jiaojian has been awarded a contract for the G3013 line Ucha to Kangsou highway project, with a bid amount of 451 million yuan [17] Group 5 - Mingchen Health plans to repurchase shares worth between 30 million and 50 million yuan for employee stock ownership plans, with a maximum repurchase price of 23 yuan per share [19]

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： ●公司拟将持有的 9 家控股子公司（宁波步长贸易、山东步长药妆、山东步 长鼎晟、山东步长传方、山东步长优品、济南步长驰骋、济南步长财淦、济南步 长瀛玺、济南步长众福）各 1%股权转让给谢继辉。 ●本次交易未构成关联交易，亦未构成《上市公司重大资产重组管理办法》 规定的重大资产重组。该事项无须提交股东会审议批准。 证券代码：603858 证券简称：步长制药 公告编号：2025-093 山东步长制药股份有限公司 关于拟转让控股子公司股权的公告 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 ●本次交易实施不存在重大法律障碍。 ●本次交易事项未导致公司合并报表范围发生变化，亦不会对公司财务状况 和经营成果产生重大不利影响。 一、交易概述 为大力发展和整合山东步长制药股份有限公司（以下简称"公司"或"步长 制药"）大健康产业，公司拟将持有的 9 家控股子公司宁波步长贸易有限公司（以 下简称"宁波步长贸易"）、山东步长药妆生物科技有限公司（以下简称"山东 步长药妆"）、山东步长鼎晟药业有限公司（以下简称"山东步长鼎晟"） ...

第五届董事会第二十一次会议决议公告 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。 山东步长制药股份有限公司（以下简称"公司"）第五届董事会第二十一次 会议的通知于 2025 年 5 月 12 日发出，会议于 2025 年 5 月 19 日下午 13 时以通 讯方式召开，应参会董事 9 人，实参会董事 9 人，会议由董事长赵涛先生主持。 会议出席人数、召开和表决方式符合《中华人民共和国公司法》等法律、法规及 证券代码：603858 证券简称：步长制药 公告编号：2025-091 山东步长制药股份有限公司 《山东步长制药股份有限公司章程》的相关规定，合法有效。 司就 MF59 乳佐剂签署 <委托研发协议> 的议案》 具体内容详见公司同日披露于上海证券交易所网站（www.sse.com.cn）的《关 于拟转让控股子公司股权的公告》（公告编号：2025-093） 表决结果：同意 9 票，反对 0 票，弃权 0 票。 特此公告。 山东步长制药股份有限公司董事会 公司控股子公司浙江天元生物药业有限公司拟与辅必成（上海）医药科技有 限公司 ...

证券代码：603858 证券简称：步长制药 公告编号：2025-092 山东步长制药股份有限公司 关于控股子公司浙江天元与辅必成医药就 MF59 乳佐剂 签署《委托研发协议》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、交易概述 为丰富公司产品研发管线，山东步长制药股份有限公司（以下简称"公司" 或"步长制药"）控股子公司浙江天元生物药业有限公司（以下简称"浙江天元"） 拟与辅必成（上海）医药科技有限公司（以下简称"辅必成医药"）就 MF59 乳 佐剂进行委托研发合作并签署《委托研发协议》。 公司于 2025 年 5 月 19 日召开第五届董事会第二十一次会议，审议通过了《关 于浙江天元生物药业有限公司拟与辅必成（上海）医药科技有限公司就 MF59 乳 佐剂签署<委托研发协议>的议案》。本事项在董事会审批权限范围内，无需提交 股东会审议。 本事项不涉及关联交易，亦不构成《上市公司重大资产重组管理办法》规定 的重大资产重组。 二、交易对方基本情况 （一）基本信息 名称：辅必成（上海）医药科技有限公司 ...

证券代码：603858 证券简称：步长制药 公告编号：2025-093 山东步长制药股份有限公司 关于拟转让控股子公司股权的公告 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： ●公司拟将持有的 9 家控股子公司（宁波步长贸易、山东步长药妆、山东步 长鼎晟、山东步长传方、山东步长优品、济南步长驰骋、济南步长财淦、济南步 长瀛玺、济南步长众福）各 1%股权转让给谢继辉。 ●本次交易未构成关联交易，亦未构成《上市公司重大资产重组管理办法》 规定的重大资产重组。该事项无须提交股东会审议批准。 ●本次交易实施不存在重大法律障碍。 ●本次交易事项未导致公司合并报表范围发生变化，亦不会对公司财务状况 和经营成果产生重大不利影响。 （三）公司拟以 0 元人民币将所持有的山东步长鼎晟 1%未实缴部分股权转 让给谢继辉。本次转让完成后，公司持有山东步长鼎晟 94%股权。 （四）公司拟以 0 元人民币将所持有的山东步长传方 1%未实缴部分股权转 让给谢继辉。本次转让完成后，公司持有山东步长传方 93%股权。 （五）公司拟以 0 元 ...

证券代码：603858 证券简称：步长制药 公告编号：2025-091 山东步长制药股份有限公司 第五届董事会第二十一次会议决议公告 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。 山东步长制药股份有限公司（以下简称"公司"）第五届董事会第二十一次 会议的通知于 2025 年 5 月 12 日发出，会议于 2025 年 5 月 19 日下午 13 时以通 讯方式召开，应参会董事 9 人，实参会董事 9 人，会议由董事长赵涛先生主持。 会议出席人数、召开和表决方式符合《中华人民共和国公司法》等法律、法规及 《山东步长制药股份有限公司章程》的相关规定，合法有效。 经与会董事研究，会议审议通过了如下议案： 1、《关于浙江天元生物药业有限公司拟与辅必成（上海）医药科技有限公 司就 MF59 乳佐剂签署<委托研发协议>的议案》 公司控股子公司浙江天元生物药业有限公司拟与辅必成（上海）医药科技有 限公司就 MF59 乳佐剂进行委托研发合作并签署《委托研发协议》。 具体内容详见公司同日披露于上海证券交易所网站（www.sse.com.cn） ...

步长制药（603858）公告，公司拟将持有的9家控股子公司各1%股权转让给谢继辉。本次股权转让涉及 的子公司包括宁波步长贸易、山东步长药妆、山东步长鼎晟、山东步长传方、山东步长优品、济南步长 驰骋、济南步长财淦、济南步长瀛玺和济南步长众福。交易价格由双方协商确定，转让完成后，步长制 药在这些子公司中的持股比例将分别下降1%。本次交易未构成关联交易，亦未构成重大资产重组，无 需提交股东会审议批准，不会对公司财务状况和经营成果产生重大不利影响。 ...

山东步长制药股份有限公司 关于召开 2024 年度业绩说明会的公告 证券代码：603858 证券简称：步长制药 公告编号：2025-090 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： 本次投资者说明会以网络文字互动问答形式召开，公司将针对 2024 年度的 经营成果及财务指标的具体情况与投资者进行互动交流和沟通，在信息披露允许 的范围内就投资者普遍关注的问题进行回答。 二、说明会召开的时间、地点 （一）会议召开时间：2025 年 5 月 28 日（星期三）上午 11:00-12:00 （二）会议召开地点：上海证券交易所上证路演中心（网址：http://road show.sseinfo.com/） （三）会议召开方式：上证路演中心网络文字互动问答 三、参加人员 董事长：赵涛先生 董事会秘书：王新女士 财务总监：赵晓刚先生 独立董事：李洪武先生 山东步长制药股份有限公司（以下简称"公司"）已于 2025 年 4 月 26 日发 布公司《2024 年年度报告》，为便于广大投资者更全面深入地了解公司 2024 年 ...

证券代码：603858 证券简称：步长制药 公告编号：2025-090 山东步长制药股份有限公司 关于召开 2024 年度业绩说明会的公告 三、参加人员 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： 山东步长制药股份有限公司（以下简称"公司"）已于 2025 年 4 月 26 日发 布公司《2024 年年度报告》，为便于广大投资者更全面深入地了解公司 2024 年 度经营成果、财务状况，公司计划于 2025 年 5 月 28 日上午 11:00-12:00 举行 2024 年度业绩说明会，就投资者关心的问题进行交流。 一、说明会类型 本次投资者说明会以网络文字互动问答形式召开，公司将针对 2024 年度的 经营成果及财务指标的具体情况与投资者进行互动交流和沟通，在信息披露允许 的范围内就投资者普遍关注的问题进行回答。 二、说明会召开的时间、地点 （一）会议召开时间：2025 年 5 月 28 日（星期三）上午 11:00-12:00 会议召开时间：2025 年 5 月 28 日(星期三)上午 11:00-12 ...