Hsinchu Science Park, Taiwan, R.O.C. February 4th, 2005 - Sunplus Technology Co., Ltd. ("Sunplus" or "the company") (TAIEX: 2401, LSE: SUPD) today announced that monthly sales for January 2005 were NT$1,571million which grew 40.94% comparing with January 2004. January 2005 sales were even higher than December 2004 because of pull-in orders for Lunar New Year in February.

Sales Report of January 2005 (Unit: NT$ K)

Item 2005* 2004 Growth rate (%) January Revenue 1,570,526 1,114,349 +40.94%

* figures have not been audited

Sales Breakdown of January 2005 (Unit: NT$ K)

Product categories Net sales LCD ICs 236,785 Micro Controllers 236,403 Multi Media ICs 962,127 Others 135,211 Total 1,570,526

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