X0407 4 2023-07-03 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 1 Common Stock 2023-07-03 4 S 0 7846 253.267 D 1659052 D Common Stock 2023-07-03 4 S 0 23701 254.078 D 1635351 D Common Stock 2023-07-03 4 S 0 4453 254.982 D 1630898 D Common Stock 274914 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 on March 14, 2023. This sale price represents the weighted average sale price of the shares sold ranging from $252.64 to $253.63 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 $253.66 to $254.62 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 $254.66 to $255.31 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. /s/ Elizabeth Villalobos, Attorney-in-Fact for Nir Zuk 2023-07-05