X0508 4 2024-02-28 0 0000029002 DIODES INC /DEL/ DIOD 0001768901 Whitmire Brett R 4949 HEDGCOXE ROAD SUITE 200 PLANO TX 75024 0 1 0 0 CFO 0 Diodes Incorporated Common Stock 2024-02-28 4 S 0 3400 67.3008 D 48265 D Diodes Incorporated Common Stock - Performance Stock Units 30300 D The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $67.267 to $67.3452, inclusive. The reporting person undertakes to provide to Diodes Incorporated, any security holder of Diodes Incorporated, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (1) to this Form 4. Brett R. Whitmire 2024-02-29