Hsinchu Science Park, Taiwan, R.O.C. September 7th, 2004 - Sunplus Technology Co., Ltd. ("Sunplus" or "the company") (TAIEX: 2401, LSE: SUPD) today announced that monthly sales for August 2004 were NT$ 1,854 million reaching a new historical record high. The revenue from January to August 2004 totaled NT$ 12,051 million and grew 94.64% comparing with same period last year.

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

Item 2004* 2003 Growth rate (%) August Revenue 1,854,262 1,025,768 80.77% Year to date Revenue 12,050,668 6,191,102 94.64%

* figures have not been audited

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

Product categories Net sales LCD ICs 236,251 Micro Controllers 512,529 Multi Media ICs 1,004,178 Others 101,304 Total 1,854,262

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