X0306 4/A 2020-06-07 2020-06-08 0 0001327567 Palo Alto Networks Inc PANW 0001468233 Arora Nikesh C/O PALO ALTO NETWORKS INC. 3000 TANNERY WAY SANTA CLARA CA 95054 1 1 0 0 Chief Executive Officer Common Stock 2020-06-07 4 F 0 5524 231.39 D 460301 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 units. This number is the Reporting Person's holdings as of the filing date of the original Form 4. This Form 4 is amended to include shares that were inadvertently omitted from the Reporting Person's original Form 4. /s/ Rebecca Chavez, Attorney-in-Fact for Nikesh Arora 2020-12-07