证券代码：688141 证券简称：杰华特 公告编号：2025-070 杰华特微电子股份有限公司 关于变更办公地址的公告 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。 因经营发展需要，杰华特微电子股份有限公司（以下简称"公司"）已于近日完成新办公地址的搬迁。为 更好地开展投资者关系管理工作，便于与投资者进行沟通交流，现将公司办公地址变更的具体情况公告 如下： ■ 除上述办公地址变更外，公司现有的投资者联系电话、邮箱等均保持不变，具体为： 办公地址：浙江省杭州市西湖区三墩镇圣塘坝街19号圣塘芯城A座 投资者联系电话：0571-87806685 杰华特微电子股份有限公司 董事会 2025年12月9日 邮政编码：310030 公司网址：https://www.joulwatt.com 敬请广大投资者关注以上变更，由此给大家带来的不便，敬请谅解。 特此公告。 投资者邮箱：ir@joulwatt.com ...

| 变更事项 | 变更前 | 变更后 | | | | --- | --- | --- | --- | --- | | 办公地址 | 浙江省杭州市西湖区华星路创 | 浙江省杭州市西湖区三墩镇圣 | | | | | 业大厦 楼西 7 | 塘坝街 号圣塘芯城 | 19 | 座 A | 证券代码：688141 证券简称：杰华特 公告编号：2025-070 杰华特微电子股份有限公司 关于变更办公地址的公告 因经营发展需要，杰华特微电子股份有限公司（以下简称"公司"）已于近 日完成新办公地址的搬迁。为更好地开展投资者关系管理工作，便于与投资者进 行沟通交流，现将公司办公地址变更的具体情况公告如下： 办公地址：浙江省杭州市西湖区三墩镇圣塘坝街 19 号圣塘芯城 A 座 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。 除上述办公地址变更外，公司现有的投资者联系电话、邮箱等均保持不变， 具体为： 敬请广大投资者关注以上变更，由此给大家带来的不便，敬请谅解。 特此公告。 杰华特微电子股份有限公司 董事会 2025 年 12 月 9 日 投资者 ...

人民财讯12月2日电，企查查APP显示，近日，杰佑半导体（杭州）有限公司成立，注册资本1500万 元，经营范围包含：半导体器件专用设备销售；集成电路设计；集成电路芯片及产品制造；集成电路芯 片及产品销售等。企查查股权穿透显示，该公司由杰华特等共同持股。 ...

Group 1 - The company, Jiewa Microelectronics Co., Ltd. (stock code: 688141.SH), submitted its Hong Kong IPO prospectus on May 30, which became invalid after six months on November 30, with CITIC Securities as the sole sponsor [1] - The company has developed proprietary and internationally advanced process platforms for integrated circuit production, aiming to become a leader in the global analog integrated circuit industry [2] - The company possesses a complete core technology architecture that includes processes, integrated circuit design, and system definition, with a product portfolio primarily consisting of power management integrated circuits and signal chain integrated circuits [2] Group 2 - As of December 31, 2024, the company offers approximately 2,200 models of integrated circuit products for sale, including over 2,000 models of power management integrated circuits [2] - According to Frost & Sullivan, the company has achieved an industry-leading level in the number of power management integrated circuit product models by 2024 [2]

Core Viewpoint - The company, Jiewa Microelectronics Co., Ltd. (stock code: 688141.SH), has submitted its Hong Kong IPO prospectus, which will expire on November 30, six months after submission, with CITIC Securities as the sole sponsor [1]. Group 1: Company Overview - The company has developed proprietary and internationally advanced process platforms for integrated circuit production, aiming to become a leader in the global analog integrated circuit industry [2]. - The company possesses a complete core technology architecture that includes processes, integrated circuit design, and system definition [2]. Group 2: Product Offering - The product portfolio primarily consists of power management integrated circuits and signal chain integrated circuits [2]. - As of December 31, 2024, the company offers approximately 2,200 models of integrated circuit products for sale, including over 2,000 models of power management integrated circuits [2]. - According to Frost & Sullivan, the company has achieved an industry-leading level in the number of power management integrated circuit product models by 2024 [2].

Group 1 - The company, Jiewa Microelectronics Co., Ltd. (stock code: 688141.SH), submitted its Hong Kong IPO prospectus on May 30, which became invalid after six months on November 30, with CITIC Securities as the sole sponsor [1] - The company has developed proprietary and internationally advanced process platforms for integrated circuit production, aiming to become a leader in the global analog integrated circuit industry [2] - The company possesses a complete core technology architecture that includes processes, integrated circuit design, and system definition, with a product portfolio primarily consisting of power management integrated circuits and signal chain integrated circuits [2] Group 2 - As of December 31, 2024, the company offers approximately 2,200 models of integrated circuit products for sale, including over 2,000 models of power management integrated circuits [2] - According to Frost & Sullivan, the company has achieved an industry-leading level in the number of power management integrated circuit product models by 2024 [2]

证券日报网讯杰华特11月27日在互动平台回答投资者提问时表示，根据公司2025年第三季度报告，截至 2025年9月30日，公司股东户数为12，418户。为保证所有投资者平等获悉公司信息，根据信息披露公平 原则，公司按照相关要求会在定期报告中披露股东人数。 （文章来源：证券日报） ...

Meeting Overview - The fifth temporary shareholders' meeting of Jiewa Technology Co., Ltd. was held on November 19, 2025, in Hangzhou, Zhejiang Province [2] - The meeting was convened by the board of directors and chaired by Chairman Zhou Xun Wei, utilizing a combination of on-site and online voting methods [2][3] Attendance and Voting - All 9 current directors attended the meeting, along with the board secretary and the financial director [3] - The voting procedures complied with the Company Law and the company's articles of association, ensuring the meeting was legally valid [2][5] Resolutions Passed - Two non-cumulative voting proposals were approved: 1. Proposal to change the company's registered capital and amend the articles of association [4] 2. Proposal to apply for a comprehensive credit limit for a controlling subsidiary and provide guarantees [4] - The first proposal received over two-thirds approval from the voting shareholders, while the second proposal received more than half [5] Legal Verification - The meeting was witnessed by Beijing Jingtian Gongcheng (Hangzhou) Law Firm, with lawyers confirming that all procedures and resolutions complied with relevant laws and regulations [5]

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 11 月 19 日 （二） 股东会召开的地点：浙江省杭州市西湖区华星路 99 号 9 楼西 证券代码：688141 证券简称：杰华特 公告编号：2025-069 杰华特微电子股份有限公司 2025年第五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 （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 | 84 | | --- | --- | | 普通股股东人数 | 84 | | 2、出席会议的股东所持有的表决权数量 | 186,014,814 | | 普通股股东所持有表决权数量 | 186,014,814 | | 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 | 41.3071 | | 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（%） | 41.3071 | （四） 表决方式 ...

浙江省杭州市上城区钱江路 1366 号华润大厦 A 座 3001 邮编：310017 电话：(86-571)89926500 传真：(86-571)89926501 北京竞天公诚（杭州）律师事务所 关于杰华特微电子股份有限公司 2025 年第五次临时股东会的法律意见书 致：杰华特微电子股份有限公司 北京竞天公诚（杭州）律师事务所（以下简称"本所"）接受杰华特微电子 股份有限公司（以下简称"公司"）委托，指派本所律师对公司 2025 年第五次 临时股东会（以下简称"本次会议"）的合法性进行见证并出具法律意见书。 本所及本所律师依据《中华人民共和国证券法》（以下简称"《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日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、误导性陈述或重大遗漏，并承担相应法律责任。 本法律意见书根据《中华人民共和国公司法》（以下简称"《公司法》"）、 《证券法》、中 ...