X0407 4 2023-07-05 0 0000319201 KLA CORP KLAC 0001697041 Lorig Brian ONE TECHNOLOGY DRIVE MILPITAS CA 95035 0 1 0 0 Executive Vice President 1 Common Stock 2023-06-30 5 J 0 E 66.392 320.068 A 23297.392 D Common Stock 2023-07-05 4 S 0 66 475.30 D 23231.392 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, 2023. The number of shares of KLA common stock includes 19,128 shares issuable upon vesting of restricted stock units ("RSUs"). This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on February 3, 2023, as amended on February 24, 2023. /s/ Jeffrey Cannon, as attorney-in-fact for Brian Lorig 2023-07-07