Mingpu Guangci: Providing full joint liability guarantee for the subsidiary's 29 million yuan loan.

Mingpu Optical Magnetic announced that the total amount of guarantees provided by the company to its subsidiaries within the scope of consolidated financial statements for the year 2025 shall not exceed 1 billion RMB, and the mutual guarantees between subsidiaries shall not exceed 80 million RMB. The company's wholly-owned subsidiary, Jiangxi Mingpu, has applied for a revolving loan of no more than 29 million RMB from the Agricultural Bank of Guanchang County. The company provides full joint and several liability guarantee for this financing, with the guaranteed amount within the approved limit. As of the disclosure date of the announcement, the company's total amount of guarantees to subsidiaries is 431 million RMB, accounting for 45.18% of the audited net assets at the end of 2024; the total amount of passive external guarantees due to equity sales is 35.5 million RMB, accounting for 3.72%, with no overdue or litigation-related guarantees.