Hsinchu Science Park, Taiwan, R.O.C. January 06, 2006 - Sunplus Technology Co., Ltd. ("Sunplus" or "the company") (TAIEX: 2401, LSE: SUPD) today announced that monthly sales for December 2005 were NT$1,765 million which grew +13.36% comparing with December 2004. The revenue from January 1st to December 31st in 2005 was NT$18,781 million.

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

Item 2005* 2004 Growth rate (%) December 2005 revenue 1,764,517 1,556,603 +13.36% January to December 2005 Revenue 18,781,122 18,940,056 -0.84%

* figures have not been audited

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

Product categories Net sales LCD ICs 286,887 Micro Controllers 122,948 Multi Media ICs 1,243,945 Others 110,737 Total 1,764,517

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