The board of directors approved the financial results of year 2005

January 20, 2006

The Company announced today its financial results of year 2005, which had been approved by the board of directors. The total sales in 2005 were NT$3,718million, representing a 3% decline YOY. The net income before tax in 2005 were NT$959 million, showing a 20% remarkable growth YOY, and net income after tax were NT$917million, a 18% growth YOY. The earnings per share of year 2005 were NT$4.65 before tax and NT$4.45 after tax, which consisted of NT$1.45 earnings per share before tax and NT$1.37 earnings per share after tax in Q4 based on the average outstanding shares in 2005.

The breakdowns of quarterly sales were NT$741 million in 1Q05 , NT$906 million in 2Q05, NT$1,053 million in 3Q05, and NT$1,018 million in 4Q05. The breakdowns of each product line sales were: standard MCU ICs, 40.1% of total sales, Consumer ICs, 28.6%, PC peripheral ICs, 11.3%, memory ICs, 6.6%, ASIC ICs, 6.5%, communication ICs, 6.4%. The standard MCU sales, which increased most significantly among the product lines, accounted for NT$1,490 million and 15% growth YOY. Additionally, together with the sales of embedded MCU ICs, the total MCU sales accounted for 58 % of the Company's total sales.