X0407 4/A 2023-04-20 2023-04-21 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 0 Common Stock 2023-04-20 4 D 0 54234 0.00 D 1122959 D Common Stock 16005 I See footnote Phantom Stock 2023-04-20 4 A 0 54234 A Common Stock 54234 170160 D In connection with the vesting of previously reported performance-based restricted stock units, the Reporting Person elected to defer these shares pursuant to the Palo Alto Networks, Inc. Deferred Compensation Plan (the "Deferred Compensation Plan"). Shares are held by Bacchey Investments L.P., of which Bacchey Management LLC (the "LLC") is the General Partner. The Reporting Person is the manager of the LLC. The sole member of the LLC is the Aurora Trust, for which the Reporting Person serves as a trustee. Pursuant to the Deferred Compensation Plan, each share of phantom stock represents the Reporting Person's right to receive one share of common stock of the Issuer. The common stock shares will be released on January 31, 2027. This Form 4 is amended to correct the unintentional underreporting of shares. /s/ Elizabeth Villalobos, Attorney-in-Fact for Nikesh Arora 2023-05-02