X0306 4 2022-03-12 0 0001325702 MAGNACHIP SEMICONDUCTOR Corp MX 0001805443 Park Shin Young C/O MAGNACHIP SEMICONDUCTOR, LTD., 501, TEHERAN-RO, GANGNAM-GU SEOUL M5 06168 KOREA, REPUBLIC OF 0 1 0 0 See Remarks Common Stock 2022-03-12 4 F 0 1574 16.30 D 46173 D This transaction represents the withholding by the Issuer of 1,574 shares of common stock to satisfy tax withholding obligations incurred by the Reporting person upon the vesting of 3,333 shares of common stock originally awarded to the Reporting Person of March 12, 2020 Chief Financial Officer /s/ Theodore Kim, Attorney-in-Fact 2022-03-14