[Silicon Motion Announces Results for the Period Ended March 31, 2014 First Quarter 2014 Financial Highlights • Net sales increased 1% quarter-over-quarter to US$52.8 million from US$52.5 million in 4Q13 • 1 Gross margin (non-GAAP • Operating expenses (non-GAAP) increased to US$16.9 million from US$13.8 million in 4Q13 • Operating margin (non-GAAP) decreased to 16.7% from 22.5% in 4Q13 •] [Press Release issued by the Company on April 28, 2014. 2 ILICON OTION ECHNOLOGY ORPORATION S]

[Silicon Motion Announces Quarterly Dividend Taipei, Taiwan, April 22, 2014 – Silicon Motion Technology Corporation (NasdaqGS: SIMO) (“Silicon Motion” or the “Company”), a global leader in designing and marketing NAND flash controllers for solid state storage devices and specialty RF IC solutions for mobile devices, announces today its quarterly cash dividend. 1 The Board of Directors of the Company has] [Press Release issued by the Company on April 22, 2014. 2 ILICON OTION ECHNOLOGY ORPORATION S]

[Silicon Motion Announces Preliminary First Quarter 2014 Revenue and Earnings Conference Call Details Taipei, Taiwan, April 7, 2014 – Silicon Motion Technology Corporation (NasdaqGS: SIMO) (“Silicon Motion” or the “Company”), a global leader in designing and marketing NAND flash controllers for solid state storage devices and specialty RF IC solutions for mobile devices, announces that based upon its preliminary financial] [Press Release issued by the Company on April 7, 2014. 2 ILICON OTION ECHNOLOGY ORPORATION S]

[Silicon Motion Announces Results for the Period Ended December 31, 2013 Fourth Quarter 2013 Financial Highlights • Net sales decreased 8% quarter-over-quarter to US$52.5 million from US$57.1 million in 3Q13 • 1 Gross margin (non-GAAP • Operating expenses (non-GAAP) decreased to US$13.8 million from US$14.9 million in 3Q13 • Operating margin (non-GAAP) decreased to 22.5% from 22.7% in 3Q13 •] [Press Release issued by the Company on January 27, 2014. ILICON OTION ECHNOLOGY ORPORATION S Riyadh Lai Chief Financial Officer 2 6-K 1 d665230d6k.htm 6-K]