Ticker: SIMO, Company: Silicon Motion Technology CORP, Type: 20-F, Date: 2012-04-30
Original SEC Filing: Click here

---

Webplus: SIMO/20120430/20-F/1/000.htm SEC Original: d306662d20f.htm
Title of each class Name of each exchange on which registered Ordinary shares, par value US$0.01 per share* American Depositary Shares, each representing four ordinary shares Nasdaq Global Select Market * Not for trading, but only in connection with the listing on the Nasdaq Global Select Market of American Depositary Shares, or ADSs, each representing four ordinary shares. None None

---

---

Webplus: SIMO/20120430/20-F/2_EX-8.1/000.htm SEC Original: d306662dex81.htm
Subsidiaries of Silicon Motion Technology Corporation Lake Tahoe Investment Corporation, a corporation organized under the laws of the Cayman Islands (“Lake Tahoe”). Silicon Motion Korea Ltd., a corporation organized under the laws of Korea (‘SMK”, a wholly-owned subsidiary of Lake Tahoe). FCI, Inc., a corporation organized under the laws of Korea (“FCI”, a wholly-owned subsidiary of Lake Tahoe). Silicon Motion,

---

---

Webplus: SIMO/20120430/20-F/3_EX-12.1/000.htm SEC Original: d306662dex121.htm
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 statements

---

---

Webplus: SIMO/20120430/20-F/4_EX-12.2/000.htm SEC Original: d306662dex122.htm
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 were

---

---

Webplus: SIMO/20120430/20-F/5_EX-13.1/000.htm SEC Original: d306662dex131.htm
Wallace C. Kou, President & Chief Executive Officer Riyadh Lai, Chief Financial Officer EX-13.1 5 d306662dex131.htm CERTIFICATION OF CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER

---

---

Webplus: SIMO/20120430/20-F/6_EX-23.1/000.htm SEC Original: d306662dex231.htm
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM Deloitte & Touche Taipei, Taiwan Republic of China April 25, 2012 EX-23.1 6 d306662dex231.htm CONSENT OF DELOITTE & TOUCHE

---

Company Information:

Ticker: SIMO, Company: Silicon Motion Technology CORP, Type: 20-F, Date: 2012-04-30CIK: 0001329394, Location: F5, SIC: 3674, SIC Desc: SEMICONDUCTORS & RELATED DEVICES
Business Phone & Address:
8F-1, NO. 36, TAIYUAN STREET
HSINCHU COUNTY, F5 302