Hsinchu Science Park, Taiwan, October 27th, 2004 - Sunplus Technology Co., Ltd. (TSE: 2401, FTSE: SUPD) today announced its 3rd Quarter financial results of 2004. From January to September in 2004, the net sales added up to NT$13,926 million, which grew 89.8% comparing with the same period of last year. The net profits from January to September in 2004 were NT$2,394 million, which earnings per share were NT$ 2.73 based on current 875,254.4 thousand shares after dividend.

The net sales of 3Q'04 totaled NT$5,453million,and product gross margin of 3Q'04 increased to 34.5% due to product mix change and process migration. The R&D expenses in 3rd Quarter were 10.1% of the net sales. The net income in 3Q'04 amounted NT$1,032million, and the earnings per share would be NT$1.18 based on the current 875,254.4 thousand shares.

(in NT$ thousand) Jan.~ Sep. 2004 Jan.~ Sep. 2003 YoY Amount Ratio Amount Ratio Net Sales 13,925,754 100.0% 7,335,901 100.0% 89.8% Gross Margin 4,565,273 32.8% 2,538,823 34.6% 79.8% Operating Income 2,478,542 17.8% 1,205,915 16.4% 105.5% Net Income 2,393,566 17.2% 1,204,590 16.4% 98.7% EPS(NT$) * Based on 875,254.4 Thousand Shares 2.73 1.38

(in NT$ thousand) 3Q 2004 3Q 2003 YoY Amount Ratio Amount Ratio Net Sales 5,452,778 100.0% 3,099,838 100.0% 75.9% Gross Margin 1,880,965 34.5% 1,098,520 35.4% 71.2% Operating Income 1,027,189 18.8% 621,661 20.1% 65.2% Net Income 1,032,419 18.9% 571,119 18.4% 80.8% EPS(NT$) * Based on 875,254.4 Thousand Shares 1.18 0.65

(in NT$ thousand) 3Q 2004 2Q 2004 QoQ Amount Ratio Amount Ratio Net Sales 5,452,778 100.0% 4,837,986 100.0% 12.7% Gross Margin 1,880,965 34.5% 1,507,593 31.2% 24.8% Operating Income 1,027,189 18.8% 864,355 17.9% 18.8% Net Income 1,032,419 18.9% 793,284 16.4% 30.1% EPS(NT$) * Based on 875,254.4 Thousand Shares 1.18 0.91

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