Exhibit 99.1

Silicon Motion Confirms Quarterly Dividend

TAIPEI, Taiwan and MILPITAS, Calif., January 28, 2019 –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, confirms today its quarterly cash dividend.

On October 29, 2018, the Board of Directors of the Company declared payment of an annual dividend of US$1.20 per ADS¹, equivalent to US$0.30 per ordinary share, which will be paid in four quarterly installments of $0.30 per ADS, equivalent to US$0.075 per ordinary share. According to the previously announced record and payment dates, the next quarterly installment will be paid on February 27, 2019 to all shareholders of record on February 15, 2019. Our depository bank’s DR Books will be closed for issuance and cancellation on February 15, 2019.

The declaration and payment of future cash dividends are subject to the Board’s continuing determination that the payment of dividends are in the best interests of the Company’s shareholders and are in compliance with all laws and agreements of the Company applicable to the declaration and payment of cash dividends.

About Silicon Motion:

We are the global leader in supplying NAND flash controllers for solid state storage devices and the merchant leader in supplying SSD controllers. We have the broadest portfolio of controller technologies and our controllers are widely used in embedded storage products such as SSDs and eMMCs+UFS, which are found in smartphones, PCs, commercial and industrial applications. We ship over 750 million NAND controllers annually and have shipped over five billion NAND controllers in the last ten years, more than any other company in the world. We also supply specialized high-performance hyperscale data center and industrial SSD solutions. Our customers include most of the NAND flash vendors, storage device module makers, and leading OEMs. For further information on Silicon Motion, visit us at www.siliconmotion.com.

Forward-Looking Statements:

This press release contains “forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. In some cases, you can identify forward-looking statements by terminology such as “may,”

¹  One ADS is equivalent to four ordinary shares.

“will,” “should,” “expect,” “intend,” “plan,” “anticipate,” “believe,” “estimate,” “predict,” “potential,” “continue,” or the negative of these terms or other comparable terminology. Although such statements are based on our own information and information from other sources we believe to be reliable, you should not place undue reliance on them. These statements involve risks and uncertainties, and actual market trends or our actual results of operations, financial condition or business prospects may differ materially from those expressed or implied in these forward looking statements for a variety of reasons. Potential risks and uncertainties include, but are not limited to the unpredictable volume and timing of customer orders, which are not fixed by contract but vary on a purchase order basis; the loss of one or more key customers or the significant reduction, postponement, rescheduling or cancellation of orders from these customers; general economic conditions or conditions in the semiconductor or consumer electronics markets; the effects on our business and our customer’s business taking into account the ongoing US-China tarriffs and trade disputes; decreases in the overall average selling prices of our products; the payment or non-payment of cash dividends in the future at the discretion of our board of directors; changes in the relative sales mix of our products; our ability to successfully integrate Shannon Systems; changes in our cost of finished goods; the availability, pricing, and timeliness of delivery of other components and raw materials used in our customers’ products; our customers’ sales outlook, purchasing patterns, and inventory adjustments based on consumer demands and general economic conditions its customers and consumers; our ability to successfully develop, introduce, and sell new or enhanced products in a timely manner; and the timing of new product announcements or introductions by us or by our competitors. For additional discussion of these risks and uncertainties and other factors, please see the documents we file from time to time with the Securities and Exchange Commission, including our Annual Report on Form 20-F filed on April 30, 2018. We assume no obligation to update any forward-looking statements, which apply only as of the date of this press release.

Investor Contact:	Investor Contact:
Jason Tsai	Selina Hsieh
Senior Director of IR and Strategy	Investor Relations
E-mail: jtsai@siliconmotion.com	E-mail: ir@siliconmotion.com

Media Contact:

Sara Hsu

Project Manager

E-mail: sara.hsu@siliconmotion.com