X0407 4 2023-03-20 0 0000319201 KLA CORP KLAC 0001642452 Khan Ahmad A. ONE TECHNOLOGY DRIVE MILPITAS CA 95035 0 1 0 0 President, Semi Proc. Control 1 Common Stock 2023-03-20 4 F 0 7362 389.94 D 62833 D Common Stock 2023-03-20 4 S 0 3831 389.55 D 59002 D Common Stock 2023-03-21 4 S 0 1915 395.00 D 57087 D Pursuant to the terms of the grant of restricted stock units ("RSUs") on March 19, 2019, shares of KLA common stock were automatically withheld at vesting to cover required tax withholding. The fair market value of KLA common stock used for purposes of calculating the number of shares to be withheld was the closing price of KLA common stock as reported on March 20, 2023. Includes RSUs to acquire 46,227 shares of KLA common stock. This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on November 29, 2022. /s/ Jeffrey Cannon, attorney-in-fact for Ahmad Khan 2023-03-21