Union Renewables Announces Change in Internal Audit Head

1. Position Affected (e.g., Spokesperson, Acting Spokesperson, Key Operational Executive, Financial Officer, Accounting Officer, Corporate Governance Officer, CISO, R&D Head, Internal Audit Head, or Legal Representative): Internal Audit Head

2. Date of Change: 2026/07/10

3. Former Incumbent’s Name, Title, and Brief Resume: Yu-Ruei Wang, Audit Agent (Interim); Internal Audit Manager of the Company

4. New Incumbent’s Name, Title, and Brief Resume: Ci-Hui Shi, Audit Agent (Interim); Internal Audit Director of the Company

5. Nature of Change (e.g., Resignation, Reassignment, Dismissal, Retirement, Death, New Appointment, Removal): Reassignment

6. Reason for Change: Reassignment

7. Effective Date: 2026/07/10

8. Additional Disclosures: The duties of the Internal Audit Head are currently being temporarily assumed by the Audit Agent. The official appointment of the new Internal Audit Head will be announced separately upon approval by the Audit Committee and Board of Directors.