Guotai Junan Securities Co., Ltd. Verification Opinion on the Storage, Management, and Use of Funds Raised by Hai'an Rubber Group Co., Ltd. for the Year 2025
Guotai Junan Securities Co., Ltd. (hereinafter referred to as "Guotai Junan" or "Sponsor") is the sponsor for the initial public offering of shares and listing on the main board of Hai'an Rubber Group Co., Ltd. (hereinafter referred to as "Hai'an Group" or "Company"). In accordance with the "Regulations on the Supervision of Funds Raised by Listed Companies" issued by the China Securities Regulatory Commission, the "Self-Regulatory Guidelines No. 1 for Listed Companies on the Shenzhen Stock Exchange — Standard Operation of Main Board Listed Companies" and the "Self-Regulatory Guidelines No. 2 for Listed Companies on the Shenzhen Stock Exchange — Announcement Format," we conducted a prudent verification of the storage, management, and use of funds raised by Hai'an Group for the year 2025. The verification results and opinions are as follows:
I. Basic Information on the Funds Raised
(1) Actual Amount of Funds Raised and Timing of Fund Arrival According to the approval document [2025]2152 from the China Securities Regulatory Commission titled "Approval of the Registration of the Initial Public Offering of Shares by Hai'an Rubber Group Co., Ltd.," the Company publicly issued 46,493,334 ordinary shares (A shares) at a price of RMB 48.00 per share in November 2025, with a total amount of funds raised amounting to RMB 2,231,680,000. After deducting the non-taxable issuance expenses of RMB 124,151,100 as per relevant regulations, the actual net amount of funds raised was RMB 2,107,528,900. The funds were received on November 20, 2025. The arrival of the aforementioned funds has been verified by Rongcheng Accounting Firm (Special General Partnership), which issued a "Verification Report" (Rongcheng Verification No. [2025]361Z0060). The Company has adopted a dedicated account storage management for the raised funds.