Hsinchu Science Park, Taiwan, R.O.C. January 7th, 2005 -Sunplus Technology Co., Ltd. ("Sunplus" or "the company") (TAIEX: 2401, LSE: SUPD) today announced that monthly sales for December 2004 were NT$1,557 million which grew 22.07% comparing with December 2003. The net sales in 2004 totaled NT$18,940 million and grew 70.67% comparing with 2003.

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

Item 2004* 2003 Growth rate (%) December Revenue 1,566,603 1,275,212 +22.07% Year to date Revenue 18,940,056 11,097,653 +70.67%

* figures have not been audited

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

Product categories Net sales LCD ICs 144,806 Micro Controllers 311,021 Multi Media ICs 957,611 Others 143,165 Total 1,556,603