Hsinchu Science Park, Taiwan, R.O.C. June 7th, 2005 - Sunplus Technology Co., Ltd. ("Sunplus" or "the company") (TAIEX: 2401, LSE: SUPD) today announced that monthly sales for May 2005 were NT$1,471million. The revenue from January 1st to May 31st in 2005 were NT$ 7,022million and grew 3.88% comparing with the same period last year.

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

Item 2005* 2004 Growth rate (%) May 2005 revenue 1,471,699 1,658,361 -11.26% January to May 2005 Revenue 7,021,818 6,759,844 +3.88%

* figures have not been audited

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

Product categories Net sales LCD ICs 236,678 Micro Controllers 367,222 Multi Media ICs 698,985 Others 168,814 Total 1,471,699