X0306 4 2020-04-20 0 0001327567 Palo Alto Networks Inc PANW 0001309507 MCLAUGHLIN MARK D C/O PALO ALTO NETWORKS INC. 3000 TANNERY WAY SANTA CLARA CA 95054 1 0 0 0 Common Stock 2020-04-20 4 F 0 4985 194.29 D 97304 D Common Stock 223419 I See footnote 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 awards, performance-based restricted stock awards, restricted stock units, and performance-based restricted stock units. Includes shares acquired by the Reporting Person pursuant to the Issuer's Employee Stock Purchase Plan. Reflects shares transferred in connection with the termination of The Mark D. McLaughlin 2017 Annuity Trust. Includes shares acquired in connection with the termination of The Mark D. McLaughlin 2017 Annuity Trust. Shares are held by The McLaughlin Revocable Living Trust, for which the Reporting Person serves as a trustee. /s/ Jeff True, Attorney-in-Fact for Mark D. McLaughlin 2020-04-22