144 0001196898 XXXXXXXX LIVE 0000319201 KLA CORP 000-09992 ONE TECHNOLOGY DRIVE MILPITAS CA 95035 4088753000 WALLACE RICHARD P Officer Director Common Fidelity Brokerage Services LLC

900 Salem Street Smithfield RI 02917

4512 8094528.00 130627521 05/12/2026 NASDAQ Common 06/30/2025 Restricted Stock Vesting Issuer N 4155 06/30/2025 Compensation Common 08/07/2025 Restricted Stock Vesting Issuer N 357 08/07/2025 Compensation Y 05/12/2026 11/19/2025 /s/ Emily Navaro, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Richard P. Wallace.