Powerchip Announces Share Buyback Amount Exceeding NT$300 Million

1. Date when cumulative number of repurchased shares reached 2% of total issued shares or amount reached NT$300 million: 115/09/03 2. Number of shares repurchased this time (shares): 1,200,000 3. Total amount spent on this repurchase (NTD): 333,890,119 4. Average repurchase price per share (NTD): 278.24 5. Cumulative number of treasury shares held during repurchase period (shares): 5,650,000 6. Ratio of cumulative treasury shares to total issued shares (%): 0.74 7. Other matters to be disclosed: None.