Tianyu Announces Change of Internal Audit Officer at Key Subsidiary Shenzhen Tiandeyu Technology

1. Position Category (Please select from: Spokesperson, Acting Spokesperson, Key Operations Executive (e.g., CEO, COO, CMO, CSO), Financial Officer, Accounting Officer, Corporate Governance Officer, CISO, R&D Head, Internal Audit Officer, or Litigation/Non-litigation Agent): Internal Audit Officer

2. Date of Change: June 24, 2026

3. Former Officer's Name, Title, and Resume: Jiang Junde, Internal Audit Officer

4. New Officer's Name, Title, and Resume: Li Minhua, Internal Audit Officer

5. Nature of Change (Please select from: Resignation, Job Reassignment, Dismissal, Retirement, Death, New Appointment, or Removal): Job Reassignment

6. Reason for Change: Job Reassignment

7. Effective Date: June 24, 2026

8. Other Matters to be Disclosed: None

Keyword: Material Information