Hsinchu Science Park, Taiwan, R.O.C. October 7th, 2004 - Sunplus Technology Co., Ltd. ("Sunplus" or "the company") (TAIEX: 2401, LSE: SUPD) today announced that monthly sales for September 2004 were NT$ 1,875 million reaching a new historical record high. The revenue from January to September 2004 totaled NT$ 13,926 million and grew 89.83% comparing with same period last year.

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

Item 2004* 2003 Growth rate (%) September Revenue 1,875,086 1,144,800 63.79% Year to date Revenue 13,925,754 7,335,902 89.83%

* figures have not been audited

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

Product categories Net sales LCD ICs 288,895 Micro Controllers 444,471 Multi Media ICs 998,483 Others 143,237 Total 1,875,086