[Silicon Motion Announces Second Quarter Results Sales & Net Income Set New Second Quarter Record Second Quarter 2007 Financial Highlights: * Net sales increased 111% year-over-year to US$44.1 million * ( 1 ) Gross margin excluding FCI was largely flat from 1Q07 at 53.0% * GAAP gross margin declined slightly to 52.6% * (1) Operating margin excluding FCI increased to] [FORM 6-K July 30, 2007 Silicon Motion Technology Corporation No. 20-1, Taiyuan St. Jhubei City, Hsinchu County 302 Taiwan x Form 20-F Form 40-F ¨ Yes ¨ x No Note: Yes ¨ x No Note: Yes ¨ x No Not applicable Press Release issued by the Company on July 30, 2007.]