X0306 4 2018-05-10 0 0001590955 Paycom Software, Inc. PAYC 0001737656 Evans Jon 7501 W. MEMORIAL ROAD OKLAHOMA CITY OK 73142 0 1 0 0 Chief Operating Officer Common Stock 2018-05-10 4 F 0 235 109.52 D 36929 D 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 800 shares of restricted stock granted to the reporting person on October 4, 2016. No shares were issued or sold in this transaction. Includes 31,392 unvested shares of restricted stock. /s/ Jon D. Evans 2018-05-11