X0306 4 2022-08-01 0 0000319201 KLA CORP KLAC 0001642452 Khan Ahmad A. ONE TECHNOLOGY DRIVE MILPITAS CA 95035 0 1 0 0 President, Semi Proc. Control Common Stock 2022-06-30 5 J 0 E 57 271.218 A 72109 D Common Stock 2022-08-01 4 F 0 1861 385.64 D 70248 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. The number of shares of KLA common stock includes 63,336 shares issuable upon vesting of RSUs. Pursuant to the terms of the grant of restricted stock units ("RSUs") on August 1, 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 August 1, 2022. The number of shares of KLA common stock includes 59,584 shares issuable upon vesting of RSUs. /s/ Jeffrey Cannon, attorney-in-fact for Ahmad A. Khan 2022-08-03