Hsinchu Science Park, Taiwan, February 6th, 2007 - Sunplus Technology Co., Ltd. (TAIEX: 2401, LSE: SUPD) today announced its financial results of 4Q'06. The net sales in 2006 summed up NT$17,076million which the gross margin was 33.5%. The net profits from in 2006 were NT$2,973million which grew 23.9% comparing with 2005. The total earnings per share in 2006 were NT$2.90 based on the total outstanding 1,023,647,603 shares on 2006/12/31.

The net sales of 4Q'06 summed up NT$3,325million and the gross margin in 4Q'06 was 36.7%. The net profits in 4Q'06 were NT$347million and the earnings per share in 4Q'06 were NT$0.34 based on the total outstanding 1,023,647,603 shares on 2006/12/31.

(in NT$ thousand) 2006 2005 YoY Net Sales 17,076,426 100.0% 18,781,122 100.0% -9.1% Gross Margin 5,727,373 33.5% 6,120,397 32.6% -6.4% Operating Income 2,175,746 12.7% 2,584,005 13.7% -15.8% Net Income 2,972,695 17.4% 2,398,355 12.8% 23.9% EPS (NT$) * *Based on outstanding 1,023,647,603 shares on 2006/12/31 2.90 2.34

(in NT$ thousand) 4Q'06 3Q'06 QoQ Net Sales 3,325,440 100.0% 4,310,961 100.0% -22.9% Gross Margin 1,220,473 36.7% 1,416,942 32.9% -13.9% Operating Income 362,105 10.9% 550,283 12.8% -34.2% Net Income 346,518 10.4% 782,332 18.1% -55.7% EPS (NT$) * *Based on outstanding 1,023,647,603 shares on 2006/12/310 0.34 0.76

(in NT$ thousand) 4Q'06 4Q'05 YoY Net Sales 3,325,440 100.0% 5,239,744 100.0% -36.5% Gross Margin 1,220,473 36.7% 1,926,123 36.8% -36.6% Operating Income 362,105 10.9% 964,677 18.4% -62.5% Net Income 346,518 10.4% 851,361 16.3% -59.3% EPS (NT$) * *Based on outstanding 1,023,647,603 shares on 2006/12/31 0.34 0.83