X0306 4 2018-07-20 0 0001327567 Palo Alto Networks Inc PANW 0001682260 Klarich Lee C/O PALO ALTO NETWORKS, INC. 3000 TANNERY WAY SANTA CLARA CA 95054 0 1 0 0 EVP, Chief Product Officer Common Stock 2018-07-20 4 F 0 1309 214.06 D 385322 D This transaction is not a sale of shares by the Reporting Person. Instead, this represents shares that have been withheld by the Issuer to satisfy its income tax and withholding and remittance obligations in connection with the vesting and net settlement of previously reported restricted stock awards, performance-based restricted stock awards, and restricted stock units. /s/ Jeff True, Attorney in-Fact for Lee Klarich 2018-07-24