144 0002025321 XXXXXXXX LIVE 0001590955 Paycom Software, Inc. 001-36393 7501 W. MEMORIAL ROAD OKLAHOMA CITY OK 73142 (405) 722-6900 Peck Randall Officer Common Kestra Investment Services LLC

5707 Southwest Parkway Bldg 2, Suite 400 Austin TX 78735

2500 344000.00 47631450 05/15/2026 NYSE Common 05/30/2024 Stock Award Issuer N 664 02/05/2025 Compensation Common 05/30/2024 Stock Award Issuer N 976 02/05/2025 Compensation Common 05/30/2024 Stock Award Issuer N 738 02/10/2025 Compensation Common 02/23/2024 Stock Award Issuer N 68 06/02/2025 Compensation Common 02/23/2024 Stock Award Issuer N 54 11/28/2024 Compensation Y 05/15/2026 Carmen Zamores as a duly authorized representative of National Financial Services LLC, as attorney-in-fact for Peck Randall