144 0001682260 XXXXXXXX LIVE 0001327567 Palo Alto Networks, Inc. 001-35594 3000 Tannery Way Santa Clara CA 95054 1-408-753-4000 Lee Klarich Officer Class A Common Goldman Sachs & Co. LLC 200 West Street New York NY 10282 99669 18307201.92 662100000 03/03/2025 NASD Class A Common 10/20/2018 Acquired as compensation -- Stock Options Issuer N 92010 10/20/2018 Compensation -- Cashless exercise / same-day sale Class A Common 10/20/2020 Acquired as compensation -- Restricted Stock Units Issuer N 7659 10/20/2020 Compensation N Lee Klarich 3000 Tannery Way Santa Clara CA 95054 Class A Common 12/02/2024 35000 13628856.5 Lee Klarich 3000 Tannery Way Santa Clara CA 95054 Class A Common 12/02/2024 15000 5841513 Lee Klarich 3000 Tannery Way Santa Clara CA 95054 Class A Common 12/02/2024 10000 3894333 Lee Klarich 3000 Tannery Way Santa Clara CA 95054 Class A Common 01/06/2025 30000 5391093 Lee Klarich 3000 Tannery Way Santa Clara CA 95054 Class A Common 01/06/2025 20000 3593468 Lee Klarich 3000 Tannery Way Santa Clara CA 95054 Class A Common 01/06/2025 70000 12579882 Lee Klarich 3000 Tannery Way Santa Clara CA 95054 Class A Common 02/03/2025 7659 1397264.3 Lee Klarich 3000 Tannery Way Santa Clara CA 95054 Class A Common 02/03/2025 92048 16793899.87 The sales of shares set forth herein are made in connection with a selling plan dated 09/27/2024, that is intended to comply with Rule 10b5-1(c). 03/03/2025 09/27/2024 Goldman Sachs & Co. LLC on behalf of Lee Klarich