Hsinchu Science Park, Taiwan, R.O.C. January 7th, 2005 -Sunplus Technology Co., Ltd. ("Sunplus" or "the company") (TAIEX: 2401, LSE: SUPD) today announced that monthly sales for December 2004 were NT$1,557 million which grew 22.07% comparing with December 2003. The net sales in 2004 totaled NT$18,940 million and grew 70.67% comparing with 2003.

Sales Report of December 2004 (Unit: NT$ K)

Item 2004* 2003 Growth rate (%) December Revenue 1,566,603 1,275,212 +22.07% Year to date Revenue 18,940,056 11,097,653 +70.67%

* figures have not been audited

Sales Breakdown of December 2004 (Unit: NT$ K)

Product categories Net sales LCD ICs 144,806 Micro Controllers 311,021 Multi Media ICs 957,611 Others 143,165 Total 1,556,603

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