Transaction Details

Footnotes

The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Bradley Scott Smith Revocable Trust, dated October 30, 2017 (the "Bradley Scott Smith Revocable Trust"), on December 12, 2024. | The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $246.50 to $247.48, inclusive. The reporting person undertakes to provide to Paycom Software, Inc. (the "Issuer"), any security holder of the Issuer or the staff of the Securities and Exchange Commission (the "SEC"), upon request, full information regarding the number of shares sold in the transactions at each separate price within the range set forth in this footnote. | The Bradley Scott Smith Revocable Trust is a revocable trust for the benefit of the reporting person, his spouse, and his children. The reporting person is the trustor and, with his spouse, a co-trustee of the Bradley Scott Smith Revocable Trust. Accordingly, the reporting person reports beneficial ownership of all of the shares of common stock held by the Bradley Scott Smith Revocable Trust but disclaims beneficial ownership except to the extent of his and his spouse's pecuniary interest therein. | The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $247.65 to $248.34, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the SEC, upon request, full information regarding the number of shares sold in the transactions at each separate price within the range set forth in this footnote. | The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $248.52 to $249.50, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the SEC, upon request, full information regarding the number of shares sold in the transactions at each separate price within the range set forth in this footnote. | The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $249.51 to $250.50, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the SEC, upon request, full information regarding the number of shares sold in the transactions at each separate price within the range set forth in this footnote. | The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $250.51 to $251.10, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the SEC, upon request, full information regarding the number of shares sold in the transactions at each separate price within the range set forth in this footnote. | Includes 13,294 unvested restricted stock units and 26,000 unvested shares of restricted stock.