[Yung-Kuan-KY] Yung-Kuan-KY Board Resolves to Convene 2026 Extraordinary Shareholders' Meeting

1. Board resolution date: June 18, 2027 (R.O.C. Year 115) 2. Date of the extraordinary shareholders' meeting: August 7, 2027 (R.O.C. Year 115) 3. Venue of the meeting: No. 658, Zhongshan Road, Shalu District, Taichung City (Shalu District Labor Service Center) 4. Meeting format: In-person shareholders' meeting 5. First agenda item: Election matters (1) Proposal to elect a replacement independent director 6. Second agenda item: Other matters (1) Discussion on lifting the non-compete restriction for the newly appointed independent director 7. Adjourned motions: None 8. Share transfer suspension start date: July 9, 2027 (R.O.C. Year 115) 9. Share transfer suspension end date: August 7, 2027 (R.O.C. Year 115) 10. Other disclosures: None.