Hsinchu Science Park, Taiwan, April 21st, 2006 - Sunplus Technology Co., Ltd. (TAIEX: 2401, LSE: SUPD) today announces its financial results of 1st Quarter in 2006. The sales of 1Q'06 summed up NT$5,015million, which grew 20.4% comparing with 1Q'05. The gross margin in 1Q'06 was improved to 31.4% since gross margin in 1Q'05 was 25.4%. The net profits in 1Q'06 were NT$1,034million and the earnings per share in 1Q'06 were NT$1.1 based on the outstanding 949,784,355 shares on March 31st 2006.

(in NT$ thousand) 1Q'06 1Q'05 YoY Net Sales 5,015,000 100.0% 4,163,961 100.0% 20.4% Gross Margin 1,575,942 31.4% 1,057,184 25.4% 49.1% Operating Income 592,455 11.8% 288,419 6.9% 105.4% Net Income 1,034,107 20.6% 179,085 4.3% 477.4% EPS (NT$) * Based on outstanding 949,784,355 shares on 2006/3/31 1.1 0.2

(in NT$ thousand) 1Q'06 4Q'05 QoQ Net Sales 5,015,000 100.0% 5,239,744 100.0% -4.3% Gross Margin 1,575,942 31.4% 1,926,123 36.8% -18.2% Operating Income 592,455 11.8% 964,677 18.4% -38.6% Net Income 1,034,107 20.6% 851,361 16.2% 21.5% EPS (NT$) * Based on outstanding 949,784,355 shares on 2006/3/31 1.1 0.90

About Sunplus

Sunplus Technology Co., Ltd. (TWSE: 2401, LSE: SUPD), established in 1990, is a leading chip provider for multimedia and automotive applications such as DVD player, portable DVD player, home entertainment audio products, car infotainment and advanced driving assistance system(ADAS). Meanwhile Sunplus is offering high-speed I/O IP, high performance data conversion IP, and analog IP for a broad range of applications on consumer, portable, and connected devices for Sunplus has been accumulating strong IP technologies on consumer and multimedia segments. Sunplus is headquartered in Taiwan and has service offices in Shanghai, Shenzhen and Chengdu. For more information, please visit Sunplus website at www.sunplus.com.

Sunplus Contact

Spokesperson

Wayne Shen
Vice President
+886-3-5786005#2350
wayne@sunplus.com

Deputy Spokesperson

Joseph Chuang
Administration Div. Director
+886-3-5786005#3120
pr@sunplus.com