Long-standing New Materials: Progress and Mediation Results of Second-instance Execution of Lawsuits by Holding Subsidiaries and Subsidiaries

Jiuri New Materials announced that its controlling subsidiary and its subsidiary were involved in a construction project dispute with Nantong Great Wall Construction Group Co., Ltd., with a second-instance judgment involving an amount of approximately 26.0979 million yuan. As of the disclosure date of the announcement, the second-instance judgment has not been fully enforced. On August 21, 2025, the relevant subsidiary sued Nantong Great Wall for non-delivery of invoices, and in November, Jianghong Biotech and others submitted a request for amendment of the lawsuit. On December 3, the court issued a "Civil Mediation Agreement," in which Nantong Great Wall agreed to deliver invoices with a face value of 80.5078 million yuan plus 3% value-added tax, bear approximately 2.6 million yuan in advance tax payment, offset against the project payment, and cooperate in transferring documents and handling procedures by December 31. This lawsuit will not have a significant adverse impact on the company's profits.