TAIPEI, Taiwan and MILPITAS, Calif., April 25, 2025 — Silicon Motion Technology Corporation (NasdaqGS: SIMO) (“Silicon Motion” or the “Company”), a leading global supplier of NAND flash controllers for solid-state storage, today reaffirmed its upcoming quarterly cash dividend payment.

The company’s Board of Directors announced on October 28, 2024, an annual dividend of US$2.00 per ADS¹, or US$0.50 per ordinary share. This will be distributed in four quarterly installments of $0.50 per ADS, or US$0.125 per ordinary share. The next quarterly payment is scheduled for May 22, 2025, to shareholders of record on May 8, 2025, consistent with previous announcements. The Depository Receipt (DR) books will be closed for issuance and cancellation on May 8, 2025.

Future dividend declarations and payments remain contingent on the Board’s assessment that such payments are beneficial to shareholders and compliant with all applicable laws and agreements.

ABOUT SILICON MOTION:

We are the world’s leading provider of NAND flash controllers for solid-state storage devices. We supply more SSD controllers than any other company for servers, PCs, and other client devices. Additionally, we are the primary merchant supplier of eMMC and UFS embedded storage controllers utilized in smartphones, IoT devices, and various other applications. We also provide customized high-performance hyperscale data center and specialized industrial and automotive SSD solutions. Our clientele includes the majority of NAND flash vendors, storage device module manufacturers, and leading OEMs. For more information about Silicon Motion, please visit us at .

FORWARD-LOOKING STATEMENTS:

This press release includes forward-looking statements as defined in Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Exchange Act. These statements can often be identified by the use of terms like “may,” “will,” “should,” “expect,” “intend,” “plan,” “anticipate,” “believe,” “estimate,” “predict,” “potential,” “continue,” or the negative of these terms or similar expressions. While these statements are based on information we believe to be reliable, you should not rely on them excessively. These statements are subject to risks and uncertainties that could cause actual market trends, results of operations, financial condition, or business prospects to differ significantly from those expressed or implied. These risks and uncertainties include, but are not limited to: unpredictable customer order volumes and timing which are not fixed by contract; the loss of key customers or significant order reductions, postponements, reschedulings, or cancellations; general economic conditions or conditions in the semiconductor or consumer electronics markets; the impact of inflation on our business and our customers’ businesses and any effect this has on economic activity in the markets in which we operate; the functionalities and performance of our information technology (“IT”) systems, which are subject to cybersecurity threats and which support our critical operational activities, and any breaches of our IT systems or those of our customers, suppliers, partners and providers of third-party licensed technology; the effects on our business and our customer’s business taking into account the ongoing U.S.-China tariffs and trade disputes; the uncertainties associated with any future global or regional pandemic; the continuing tensions between Taiwan and China including enhanced military activities; decreases in the overall average selling prices of our products; changes in the relative sales mix of our products; changes in our cost of finished goods; supply chain disruptions that have affected us and our industry as well as other industries on a global basis; the payment, or non-payment, of cash dividends in the future at the discretion of our board of directors and any announced planned increases in such dividends; changes in our cost of finished goods; the availability, pricing, and timeliness of delivery of other components and raw materials used in the products we sell given the current raw material supply shortages being experienced in our industry; our customers’ sales outlook, purchasing patterns, and inventory adjustments based on consumer demands and general economic conditions; any potential impairment charges that may be incurred related to businesses previously acquired or divested in the future; 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. Further information regarding these risks, uncertainties, and other factors can be found in our filings with the U.S. Securities and Exchange Commission, including our Annual Report on Form 20-F filed on April 30, 2024. We undertake no obligation to update or revise any forward-looking statements except as required by securities laws, and such statements are applicable only as of the date of this release.

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¹ One ADS represents four ordinary shares.

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