[Mingyung] Announcement on the Board's Election of Chairman

1. Date of Board Resolution or Change: June 17, 2026 2. Position (Chairman or General Manager): Chairman 3. Previous Incumbent Name: Xie Jinxing 4. Resume of Previous Incumbent: Chairman and CEO of the company 5. Name of New Incumbent: Xie Jinxing 6. Resume of New Incumbent: Chairman and CEO of the company 7. Circumstance of Change: Expiration of term 8. Reason for Change: Re-election of the Chairman following the comprehensive board election at the annual shareholders' meeting held on June 17, 2026. 9. Effective Date: June 17, 2026 10. Other disclosure matters: None