Yongmaotai has changed the guarantee limit of its subsidiary, with no overdue guarantees accumulated.

Announcement from Shanghai Yongmaotai Auto Technology Co., Ltd.: The guarantee limit for its wholly-owned subsidiary Shanghai Yongmaotai Auto Parts Co., Ltd. at Construction Bank has been increased from 180 million yuan to 280 million yuan. As of September 12, 2025, the guarantee balance for this subsidiary is 577 million yuan. The changes in guarantee for financing businesses, determination of debt expiration dates, etc. have been completed through internal decision-making procedures. Shanghai Auto Parts mainly deals in automotive components, with a net profit of 5.8468 million yuan in the first half of 2025. As of the same date, the total guarantee balance of the company and its subsidiaries is 1.154 billion yuan, accounting for 54.92% of the audited net assets at the end of 2024, and all guarantees are not overdue.