Ticker: SIMO, Company: Silicon Motion Technology CORP, Type: 20-F, Date: 2009-07-14
Original SEC Filing: Click here

---

Webplus: SIMO/20090714/20-F/1/000.htm SEC Original: d20f.htm
¨ ¨ ¨ Large accelerated filer x Accelerated filer ¨ Non-accelerated filer x U.S. GAAP ¨ International Financial Reporting Standards as issued by the International Accounting Standards Board ¨ Other ¨ ¨ ¨ x PART I 1 TEM I DENTITY OF IRECTORS ENIOR ANAGEMENT AND DVISERS I 1 TEM I FFER TATISTICS AND XPECTED IMETABLE O 1 TEM I EY

---

---

Webplus: SIMO/20090714/20-F/2_EX-12.1/000.htm SEC Original: dex121.htm
CERTIFICATIONS I, Wallace C. Kou, certify that: 1. I have reviewed this annual report on Form 20-F of Silicon Motion Technology Corporation; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such

---

---

Webplus: SIMO/20090714/20-F/3_EX-12.2/000.htm SEC Original: dex122.htm
CERTIFICATIONS I, Riyadh Lai, certify that: 1. I have reviewed this annual report on Form 20-F of Silicon Motion Technology Corporation; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements

---

---

Webplus: SIMO/20090714/20-F/4_EX-13.1/000.htm SEC Original: dex131.htm
CERTIFICATION S ALLACE OU / Wallace C. Kou, Chief Executive Officer S IYADH AI / Riyadh Lai, Chief Financial Officer EX-13.1 4 dex131.htm CERTIFICATION OF CEO AND CFO

---

Company Information:

Ticker: SIMO, Company: Silicon Motion Technology CORP, Type: 20-F, Date: 2009-07-14CIK: 0001329394, Location: F5, SIC: 3674, SIC Desc: SEMICONDUCTORS & RELATED DEVICES
Business Phone & Address:
8F-1, NO. 36, TAIYUAN STREET
HSINCHU COUNTY, F5 302