[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]

[Silicon Motion Announces Preliminary Fourth Quarter 2013 Revenue and Earnings Conference Call Details Taipei, Taiwan, January 6, 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 January 6, 2014. ILICON OTION ECHNOLOGY ORPORATION S 2 6-K 1 d654466d6k.htm 6-K]

[Silicon Motion Announces Results for the Period Ended September 30, 2013 Third Quarter 2013 Financial Highlights • Net sales decreased 2% quarter-over-quarter to US$57.1 million from US$58.3 million in 2Q13 • 1 Gross margin (non-GAAP • Operating expenses (non-GAAP) decreased to US$14.9 million from US$16.8 million in 2Q13 • Operating margin (non-GAAP) increased to 22.7% from 19.7% in 2Q13 •] [Press Release issued by the Company on October 24, 2013. ILICON OTION ECHNOLOGY ORPORATION S Riyadh Lai Chief Financial Officer 2 6-K 1 d617469d6k.htm 6-K]

[Silicon Motion Announces Preliminary Third Quarter 2013 Revenue and Earnings Conference Call Details Taipei, Taiwan, October 4, 2013 – 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 results,] [Press Release issued by the Company on October 4, 2013. ILICON OTION ECHNOLOGY ORPORATION S Riyadh Lai Chief Financial Officer 2 6-K 1 d608001d6k.htm 6-K]