X0306 4 2022-02-01 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 2022-02-01 4 S 0 425 508.789 D 538700 D Common Stock 2022-02-01 4 S 0 550 509.749 D 538150 D Common Stock 2022-02-01 4 S 0 1550 511.209 D 536600 D Common Stock 2022-02-01 4 S 0 100 512.245 D 536500 D Common Stock 2022-02-01 4 S 0 200 515.452 D 536300 D Common Stock 2022-02-01 4 S 0 100 516.58 D 536200 D Common Stock 2022-02-01 4 S 0 200 517.984 D 536000 D Common Stock 5335 I See footnote The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person. This sale price represents the weighted average sale price of the shares sold ranging from $508.34 to $509.33 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4. This sale price represents the weighted average sale price of the shares sold ranging from $509.35 to $510.16 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4. This sale price represents the weighted average sale price of the shares sold ranging from $510.61 to $511.52 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4. This sale price represents the weighted average sale price of the shares sold ranging from $511.89 to $512.60 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4. This sale price represents the weighted average sale price of the shares sold ranging from $515.23 to $516.07 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4. This sale price represents the weighted average sale price of the shares sold ranging from $517.88 to $518.20 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4. 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. /s/ Elizabeth Villalobos, Attorney-in-Fact for Nikesh Arora 2022-02-01