X0306 4 2022-11-02 0 0000319201 KLA CORP KLAC 0001183228 CALDERONI ROBERT C/O KLA CORPORATION ONE TECHNOLOGY DRIVE MILPITAS CA 95035 1 0 0 0 Common Stock 2022-11-02 4 A 0 928 0.00 A 2392 D Common Stock 11529.527 I By Trust On November 2, 2022, the Reporting Person received an automatic grant of restricted stock units ("RSUs") for 928 shares of KLA common stock. The RSUs vest on the earliest to occur of (i) November 2, 2023, (ii) immediately prior to the next annual meeting of stockholders, and (iii) ten days prior to a change of control of KLA. The number of shares of KLA common stock includes 928 shares issuable upon vesting of RSUs. Shares held by The 2019 Calderoni Family Trust, of which the Reporting Person is a trustee and beneficiary. /s/ Jeffrey Cannon, as attorney-in-fact for Robert Calderoni 2022-11-04