Concord Guard: Ms. Dong Wei has resigned for personal reasons and will no longer serve as Chief Financial Officer.

Kangle Guardian Announcement: Ms. Dong Wei, Chief Financial Officer, has resigned for personal reasons and will no longer serve as CFO. The Board of Directors has appointed Mr. Wang Zexue as the new Chief Financial Officer, with a term of office from December 18, 2025, to the expiration of the fifth session of the Board of Directors. Ms. Dong Wei holds 840,000 shares of the company, accounting for 0.30% of the company's equity.