[Silicon Motion Announces Third Quarter Results for the Period Ended September 30, 2007: Sales & Net Income Set New Third Quarter Record Third Quarter 2007 Financial Highlights: • Net sales increased 44% year-over-year to US$45.8 million, a new record high • Gross margin excluding stock-based compensation was slightly higher from 2Q07 at 53.2% • GAAP gross margin rose slightly to] [FORM 6-K October 30, 2007 Silicon Motion Technology Corporation 8F-1, No. 36, 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]