YOTech Announces Change in Chief Financial Officer

1. Position Affected (Please specify: Spokesperson, Acting Spokesperson, Key Operational Executive (e.g., CEO, COO, CMO, CSO), Financial Officer, Accounting Officer, Corporate Governance Officer, CISO, R&D Head, Internal Audit Head, Litigation/Non-litigation Representative): Financial Officer

2. Date of Change: August 6, 115

3. Former Officer's Name, Title, and Background: Kuo-Tsai Hsieh, Chief Financial Officer, Financial Officer, and Acting Spokesperson of the Company.

4. New Officer's Name, Title, and Background: Vacant for now; will be announced following Board resolution.

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

6. Reason for Change: Job Reassignment

7. Effective Date: August 17, 115

8. Additional Disclosures: To leverage his professional expertise and accommodate his personal career planning, the Board has resolved that effective August 17, 115, Mr. Hsieh will be reassigned to the role of Special Assistant. The duties of Financial Officer will be temporarily assumed by General Manager Yen-Peng Hsieh, while the acting spokesperson role will be temporarily filled by Accounting Supervisor Chia-Ju Yu. The transition will proceed according to company plans and will have no material impact on the company’s financial condition or operations.