Yungching Announces Treasury Stock Buyback Reaches Certain Standard

1. Date when the number of repurchased shares accumulated to 2% of the company's total issued shares or the amount reached NT$300 million: May 7, 2026 2. Number of repurchased shares (shares): 27,341,000 3. Total amount of repurchased shares (NT$): 263,846,004 4. Average price per repurchased share (NT$): 9.65 5. Cumulative number of own company shares held within the buyback period (shares): 27,341,000 6. Cumulative ratio of own company shares held within the buyback period to the company's total issued shares (%): 2.06% 7. Other matters to be noted: None.