Hsinchu Science Park, Taiwan, R.O.C. June 7th, 2005 - Sunplus Technology Co., Ltd. ("Sunplus" or "the company") (TAIEX: 2401, LSE: SUPD) today announced that monthly sales for May 2005 were NT$1,471million. The revenue from January 1st to May 31st in 2005 were NT$ 7,022million and grew 3.88% comparing with the same period last year.

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

Item 2005* 2004 Growth rate (%) May 2005 revenue 1,471,699 1,658,361 -11.26% January to May 2005 Revenue 7,021,818 6,759,844 +3.88%

* figures have not been audited

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

Product categories Net sales LCD ICs 236,678 Micro Controllers 367,222 Multi Media ICs 698,985 Others 168,814 Total 1,471,699

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