Hsinchu Science Park, Taiwan, R.O.C. September 7th, 2004 - Sunplus Technology Co., Ltd. ("Sunplus" or "the company") (TAIEX: 2401, LSE: SUPD) today revised monthly sales for July 2004 were NT$ 1,723 million because "others" sales revised to NT$135,166 thousand to NT$135,889 thousand. The revised revenue from January to July 2004 totaled NT$10,196 million.

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

Item 2004 Before Revised 2004 After Revised 2003 Growth Rate (%) July Revenue 1,722,706 1,723,429 929,271 85.46% Year to date Revenue 10,195,683 10,196,406 5,156,334 97.40%

* figures have not been audited

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

Product categories Net sales Before Revised Net sales After Revised LCD ICs 289,364 289,364 Micro Controllers 545,592 545,592 Multi Media ICs 752,584 752,584 Others 135,166 135,889 Total 1,722,706 1,723,429