X0306 4 2016-07-28 0 0001590955 Paycom Software, Inc. PAYC 0001636588 Pezold Stacey M 7501 W. MEMORIAL ROAD OKLAHOMA CITY OK 73142 0 1 0 0 Chief Operating Officer Common Stock 2016-07-28 4 F 0 16192 47.68 D 192788 D Common Stock 1050 I By spouse Represents shares of common stock of Paycom Software, Inc. (the "Issuer") withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of 40,000 restricted shares of common stock granted to Mrs. Pezold on April 15, 2016. No shares were issued or sold in this transaction. Includes 80,975 restricted shares of common stock. Represents shares held in individual retirement accounts for the benefit of Mrs. Pezold's spouse. /s/ Stacey M. Pezold 2016-07-29