[First Quarter 2015 Financial Highlights • Net sales increased to US$80.6 million from US$80.5 million in 4Q14 • 1 Gross margin (non-GAAP • Operating expenses (non-GAAP) increased to US$22.5 million from US$21.4 million in 4Q14 • Operating margin (non-GAAP) decreased to 24.1% from 26.0% in 4Q14 • Diluted earnings per ADS (non-GAAP) decreased to US$0.48 from US$0.53 in 4Q14 Business] [Press Release issued by the Company on April 27, 2015. ILICON OTION ECHNOLOGY ORPORATION S]

[Silicon Motion Announces Quarterly Dividend Taipei, Taiwan, April 27, 2015 – Silicon Motion Technology Corporation (NasdaqGS: SIMO) (“Silicon Motion” or the “Company”), a global leader in 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 declared the payment] [Press Release issued by the Company on April 27, 2015. ILICON OTION ECHNOLOGY ORPORATION S]

[Silicon Motion Announces Agreement to Acquire Shannon Systems Silicon Motion Enters China Enterprise SSD Market 1 Taipei, Taiwan, April 24, 2015—Silicon Motion Technology Corporation (NasdaqGS: SIMO) (“Silicon Motion”), a global leader in NAND flash controllers for solid state storage devices, today announced that it has entered into a definitive agreement to acquire Shannon Systems “China has become the largest internet] [Press Release issued by the Company on April 24, 2015. ILICON OTION ECHNOLOGY ORPORATION S]

[Silicon Motion Announces Preliminary First Quarter 2015 Revenue and Earnings Conference Call Details Taipei, Taiwan, April 8, 2015 – 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 first] [Press Release issued by the Company on April 8, 2015. ILICON OTION ECHNOLOGY ORPORATION S]

[Silicon Motion Announces Quarterly Dividend Taipei, Taiwan, January 26, 2015 – 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 January 26, 2015. ILICON OTION ECHNOLOGY ORPORATION S]