国泰海通证券股份有限公司 关于上海奥浦迈生物科技股份有限公司 国泰海通证券股份有限公司（以下简称"国泰海通"或"保荐机构"）作为 上海奥浦迈生物科技股份有限公司（以下简称"奥浦迈"或"公司"）首次公开 发行股票并在科创板上市持续督导的保荐机构，根据《证券发行上市保荐业务管 理办法》《上市公司募集资金监管规则》《上海证券交易所科创板股票上市规则》 《上海证券交易所科创板上市公司自律监管指引第 1 号——规范运作》等有关法 律法规和规范性文件的要求，就奥浦迈使用暂时闲置募集资金（含超募资金）进 行现金管理的事项进行了审慎核查，并发表如下核查意见： 二、募集资金投资项目的基本情况 根据《上海奥浦迈生物科技股份有限公司科创板首次公开发行股票招股说明 书》，公司募集资金投资项目及募集资金使用计划如下： | 序 | 投资总额 | 使用募集资 | | 项目环保批 | | --- | --- | --- | --- | --- | | 项目名称 | | 金投入金额 | 项目备案批文号 | | | 号 | （万元） | | | 文号 | | | | （万元） | | | | 奥浦迈 | | | 项目代码： | 沪自贸临管 | ...

Core Viewpoint - The company intends to utilize idle funds raised from the issuance of convertible bonds for cash management to enhance fund efficiency while ensuring the safety of the funds and not affecting ongoing investment projects [2][6][7]. Fundraising Basic Situation - The company raised a total of RMB 490 million by issuing 4.9 million convertible bonds at a face value of RMB 100 each, with a net amount of RMB 478.41 million after deducting issuance costs of RMB 11.59 million [2][3]. - The funds were deposited into a designated three-party supervision account on November 29, 2022, verified by an accounting firm [2][3]. Cash Management Purpose - The purpose of cash management is to improve the efficiency of fund usage without impacting daily operations and ensuring the normal progress of investment projects [4][5]. Investment Types and Limits - The company plans to invest up to RMB 58 million of idle funds in low-risk, high-liquidity financial products with a maximum term of one year [5]. - Investment products may include time deposits, structured deposits, and large certificates of deposit [4][5]. Implementation and Approval Process - The board of directors approved the cash management proposal on July 17, 2025, ensuring compliance with relevant regulations and safeguarding shareholder interests [6][7]. - The supervisory board also reviewed and approved the proposal, confirming that it would not adversely affect the company's operations [6][7]. Sponsor's Verification Opinion - The sponsor, Dongguan Securities, confirmed that the company's cash management plan complies with regulatory requirements and has undergone necessary approval processes [7].