证券代码：688533 证券简称：上声电子 公告编号：2025-030 一、前次募集资金使用及结余情况 （一）2021 年首次公开发行股票募集资金情况 经中国证券监督管理委员会《关于同意苏州上声电子股份有限公 司首次公开发行股票注册的批复》（证监许可〔2021〕823 号）核准， 公司向社会公众公开发行人民币普通股（A 股）4,000 万股，每股发 行价格为 7.72 元，募集资金总额为人民币 30,880.00 万元，扣除各 项发行费用人民币 5,028.88 万元（不含增值税）后，募集资金净额 为人民币 25,851.12 万元。 上述募集资金已于 2021 年 4 月 13 日全部到位，经安永华明会计 师事务所（特殊普通合伙）审验，并出具了安永华明（2021）验字第 设立了募集资金专项账户。上述募集资金到账后，已全部存放于募集 资金专项账户内，公司已与保荐机构及存放募集资金的银行签订了募 集资金三方监管协议。 债券代码：118037 债券简称：上声转债 苏州上声电子股份有限公司 前次募集资金使用情况报告(更正版) 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 ...

Core Viewpoint - The report provides a detailed account of the use of previously raised funds by Suzhou Shangsheng Electronics Co., Ltd. as of December 31, 2024, confirming compliance with relevant regulations and reflecting the actual usage of funds in significant aspects [3][4]. Fundraising and Usage Summary - The company raised a total of RMB 308.80 million through its initial public offering (IPO) in 2021, with a net amount of RMB 258.51 million after deducting issuance costs [5][13]. - As of December 31, 2024, the remaining balance of the raised funds in special accounts was RMB 271.06 million [6][9]. - In 2023, the company was approved to issue convertible bonds to raise RMB 507.67 million, which has also been fully deposited into special accounts [7][14]. Fund Management and Compliance - The company has established a fund management system to ensure the proper use and management of raised funds, adhering to the regulations set by the Shanghai Stock Exchange [9][10]. - The company has signed tripartite supervision agreements with banks to ensure the safety of the raised funds [10][11]. Project Implementation and Adjustments - The company has completed the "Expansion of Automotive Electronics Project" and the "Expansion of Speaker Project," with the remaining funds totaling RMB 27.11 million being used to supplement working capital [10][24]. - Adjustments were made to the investment amounts for various projects due to the actual net amount raised being lower than initially projected [13][15]. Financial Performance and Returns - The report indicates that the projects funded by the raised capital have reached their intended operational status, although specific financial benefits from the "Supplementary Working Capital Project" cannot be individually assessed [24][25]. - The company has not reported any cases where the cumulative returns from the investment projects fell below 20% of the promised returns [24].