[Powerchip] Announcement of Share Buyback Exceeding NT$300 Million

1. Date when the cumulative number of shares bought back reached 2% of the company's issued shares or the amount exceeded NT$300 million: 115/08/25 2. Number of shares bought back this time (shares): 1,580,000 3. Total amount spent on this buyback (NT$): 419,311,673 4. Average price per share bought back this time (NT$): 265.39 5. Cumulative number of own shares held during the buyback period (shares): 3,730,000 6. Ratio of cumulative own shares held during the buyback period to total issued shares (%): 0.49 7. Other matters to be disclosed: None.