东吴证券股份有限公司 关于鸿日达科技股份有限公司 使用部分闲置募集资金暂时补充流动资金的核查意见 公司于 2024 年 9 月 6 日召开第二届董事会第九次会议、第二届监事会第八 次会议，审议通过了《关于部分募投项目延期的议案》，同意将募投项目中的"昆 山汉江精密连接器生产项目" 预计达到可使用状态的日期延期至 2026 年 3 月 东吴证券股份有限公司（以下简称"东吴证券"或"保荐机构"）作为鸿日 达科技股份有限公司（以下简称"鸿日达"或"公司"）首次公开发行股票并在 创业板上市的保荐机构，根据《证券发行上市保荐业务管理办法》《上市公司监 管指引第 2 号——上市公司募集资金管理和使用的监管要求》《深圳证券交易所 创业板股票上市规则》等相关法律、法规和规范性文件的规定，对鸿日达使用部 分闲置募集资金暂时补充流动资金事项进行了核查，具体核查情况如下： 一、募集资金基本情况 经中国证券监督管理委员会证监许可20221447 号《关于同意鸿日达科技 股份有限公司首次公开发行股票注册的批复》批复同意，公司于 2022 年 9 月向 社会公开发行人民币普通股（A 股）5,167 万股，每股发行价为 14.60 元，应 ...

Core Viewpoint - The company intends to extend the repayment of idle raised funds and continue using them for temporary working capital, ensuring that this does not affect the normal progress of fundraising investment projects [4][8]. Fundraising Basic Situation - The company issued 57,459,099 shares at a total fundraising amount of 158,069.98 million RMB, which has been verified by an accounting firm [2][3]. - The funds are stored in a special account and are subject to a tripartite supervision agreement with the sponsor and the bank [2]. Fundraising Investment Projects and Usage - The total investment for the projects is 323,154.01 million RMB, with 156,987.12 million RMB planned to be funded by the raised funds [2]. - As of May 22, 2025, 75,590.62 million RMB of the raised funds have been used, leaving 81,396.5 million RMB available [2]. Previous Use of Idle Funds - The company previously approved the temporary use of up to 70,000 million RMB of idle funds for working capital, with a usage period not exceeding 12 months [4]. Current Proposal for Idle Funds - The company proposes to extend the repayment of up to 70,000 million RMB of idle funds for temporary working capital, with a usage period not exceeding 12 months [5][6]. - This decision is based on the need to stabilize cash flow and improve the efficiency of fund usage, potentially saving about 21 million RMB in financial costs [5]. Review Procedures and Opinions - The board of directors and the supervisory board have approved the proposal, confirming that it does not change the purpose of the raised funds and will not adversely affect the investment projects [6][8]. - Independent directors agree that the proposal meets legal requirements and benefits the company and shareholders [6][8]. Sponsor's Verification Opinion - The sponsor has verified that the proposal complies with relevant regulations and does not change the purpose of the raised funds, ensuring the normal progress of investment projects [7][8].