Hsinchu Science Park, Taiwan, R.O.C. February 4th, 2005 - Sunplus Technology Co., Ltd. ("Sunplus" or "the company") (TAIEX: 2401, LSE: SUPD) today announced that monthly sales for January 2005 were NT$1,571million which grew 40.94% comparing with January 2004. January 2005 sales were even higher than December 2004 because of pull-in orders for Lunar New Year in February.

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

Item 2005* 2004 Growth rate (%) January Revenue 1,570,526 1,114,349 +40.94%

* figures have not been audited

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

Product categories Net sales LCD ICs 236,785 Micro Controllers 236,403 Multi Media ICs 962,127 Others 135,211 Total 1,570,526