Hsinchu Science Park, Taiwan, R.O.C. July 7th, 2004 - Sunplus Technology Co., Ltd. ("Sunplus" or "the company") (TAIEX: 2401, LSE: SUPD) today announced that monthly sales for June 2004 were NT$ 1,713 million reaching a new historical record high and grew 101.02% comparing with June 2003. The revenue from January to June 2004 totaled NT$ 8,473 million and grew 100.02% comparing with same period last year. Going forward to high season, the sales should grow continuously due to seasonality.

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

Item 2004* 2003 Growth rate (%) June Revenue 1,713,133 852,229 101.02% Year to date Revenue 8,472,977 4,236,063 100.02%

* figures have not been audited

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

Product categories Net sales LCD ICs 308,583 Micro Controllers 503,862 Multi Media ICs 772,903 Others 127,785 Total 1,713,133

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