X0306 4/A 2022-02-01 2022-02-01 0 0001327567 Palo Alto Networks Inc PANW 0001250333 ZUK NIR C/O PALO ALTO NETWORKS INC. 3000 TANNERY WAY SANTA CLARA CA 95054 1 1 0 0 EVP, Chief Technology Officer Common Stock 2022-02-01 4 S 0 500 504.616 D 756234 D Common Stock 2022-02-01 4 S 0 200 506.06 D 756034 D Common Stock 2022-02-01 4 S 0 800 507.379 D 755234 D Common Stock 2022-02-01 4 S 0 1649 508.354 D 753585 D Common Stock 2022-02-01 4 S 0 1751 509.398 D 751834 D Common Stock 2022-02-01 4 S 0 1895 510.377 D 749939 D Common Stock 2022-02-01 4 S 0 1650 511.345 D 748289 D Common Stock 2022-02-01 4 S 0 1961 512.408 D 746328 D Common Stock 2022-02-01 4 S 0 1094 513.404 D 745234 D Common Stock 2022-02-01 4 S 0 400 514.487 D 744834 D Common Stock 2022-02-01 4 S 0 100 517.86 D 744734 D Common Stock 91638 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 $504.25 to $505.02 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 $505.67 to $506.45 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 $506.79 to $507.77 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 $507.82 to $508.80 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 $508.85 to $509.75 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 $509.85 to $510.77 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 $510.90 to $511.85 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 $511.90 to $512.89 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 $512.95 to $513.83 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 $513.965 to $514.82 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 the Cliff Family Trusts for the benefit of the Reporting Person's children. This Form 4 is amended to restate the price ranges reported in footnotes (3) through (11). /s/ Elizabeth Villalobos, Attorney-in-Fact for Nir Zuk 2022-02-01