X0306 4 2022-07-05 0 0000319201 KLA CORP KLAC 0001430600 Kirloskar Virendra A ONE TECHNOLOGY DRIVE MILPITAS CA 95035 0 1 0 0 SVP & Chief Accounting Officer Common Stock 2022-06-30 5 J 0 E 57 271.218 A 354 D Common Stock 2022-07-05 4 S 0 57 286.28 D 297 D Common Stock - Restricted Stock Units 5997 D Purchased under the registrant's employee stock purchase plan. Represents 85% of the closing price of the registrant's stock on the employee stock purchase plan on June 30, 2022. This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on February 25, 2022. Each restricted stock unit ("RSU") represents a contingent right to receive one share of KLA common stock. Does not include performance-based RSUs, if any, held by the Reporting Person for which an assessment has not yet been made regarding the achievement of the applicable performance goals. Any such holdings will be reported on a Form 4 within two business days of the date such assessment is made. /s/ Jeffrey Cannon, attorney-in-fact for Virendra Kirloskar 2022-07-07