Hsinchu Science Park, Taiwan, R.O.C. September 7th, 2004 - Sunplus Technology Co., Ltd. ("Sunplus" or "the company") (TAIEX: 2401, LSE: SUPD) today announced that monthly sales for August 2004 were NT$ 1,854 million reaching a new historical record high. The revenue from January to August 2004 totaled NT$ 12,051 million and grew 94.64% comparing with same period last year.

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

Item 2004* 2003 Growth rate (%) August Revenue 1,854,262 1,025,768 80.77% Year to date Revenue 12,050,668 6,191,102 94.64%

* figures have not been audited

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

Product categories Net sales LCD ICs 236,251 Micro Controllers 512,529 Multi Media ICs 1,004,178 Others 101,304 Total 1,854,262