Group 1 - The company has approved the use of idle self-owned funds for cash management, with a maximum balance of up to RMB 1 billion [1] - The cash management will involve investing in low to medium-risk financial products with good liquidity and safety [1] - The company will strictly adhere to prudent investment principles and select short-term investment products from banks and securities companies [1] Group 2 - The company has purchased various structured deposit products, including the "Tianlibao" structured deposit from Hangzhou Bank, with expected annualized returns ranging from 0.65% to 2.15% [4][5][8] - The investment amounts for these structured deposits include RMB 10 million, RMB 13 million, and RMB 50 million, among others [4][5][8] - The company has no related party relationships with the banks involved in these investments [4][5][8] Group 3 - In the past twelve months, the company has used idle self-owned funds to purchase financial products with a cumulative amount of RMB 553 million that have not yet matured [9] - The company will implement risk control measures to manage investment risks associated with cash management [9]

国信证券股份有限公司 关于嘉兴中润光学科技股份有限公司 国信证券股份有限公司（以下简称"国信证券"或"保荐人"）作为嘉兴中 润光学科技股份有限公司（以下简称"公司"或"中润光学"）首次公开发行股 票并在科创板上市的保荐人，根据《证券发行上市保荐业务管理办法》《上海证 券交易所科创板股票上市规则》《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》《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》等有关规定，对中润光学 2024 年度募集资金的存放和使用情 况进行了审慎核查，具体情况如下： 为了规范募集资金的管理和使用，提高资金使用效率和效益，保护投资者权 益，公司按照《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》《上海证券交易所科创板股票上市规则》及《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规 定，结合公司实际情况，制定了《嘉兴中润光学科技股份有限公司募集资金管理 制度》，对募集资金的存储、使用及管理等方面做出了明确的规定，在制度上保 证募集资金的规范使用。 一、募集资金基本情况 （一）实际募 ...