PAYC

SEC source: 0000950170-24-071285 · ownership.xml · nonDerivative · entry 3

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,064,858

F2 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F5 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $145.71 to $146.60, 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.

SEC source: 0000950170-24-071285 · ownership.xml · nonDerivative · entry 2

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,065,458

F2 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F4 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $144.70 to $145.65, 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.

SEC source: 0000950170-24-071285 · ownership.xml · nonDerivative · entry 1

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,066,358

F1 · date: Under Section 16(b) of the Securities Exchange Act of 1934, as amended, the sale transactions reported herein are matchable with the reporting person's purchase of one share of common stock on December 14, 2023 at a price of $201.86. Because the purchase price exceeded the sale prices for all transactions reported herein, no profit was realized by the reporting person. The reporting person has agreed to voluntarily disgorge to Paycom Software, Inc. (the "Issuer") any profits realized from matchable transactions occurring within less than six months of the previously reported purchase transaction.

F2 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F3 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $143.17 to $144.01, inclusive. The reporting person undertakes to provide to 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.

SEC source: 0000950170-24-070825 · ownership.xml · nonDerivative · entry 8

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Ernest Group, Inc.

Disclosed balance after: 3,643,699

F2 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F6 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $146.09 to $146.88, 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.

F7 · ownership.nature: Represents shares of common stock owned by Ernest Group. The reporting person is the sole director of Ernest Group, and Ernest Group is wholly owned by the reporting person and certain trusts for the reporting person's children, for which the reporting person serves as trustee. The reporting person may be deemed to beneficially own the shares of common stock owned by Ernest Group.

SEC source: 0000950170-24-070825 · ownership.xml · nonDerivative · entry 7

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Ernest Group, Inc.

Disclosed balance after: 3,643,876

F2 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F5 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $145.07 to $145.96, 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.

F7 · ownership.nature: Represents shares of common stock owned by Ernest Group. The reporting person is the sole director of Ernest Group, and Ernest Group is wholly owned by the reporting person and certain trusts for the reporting person's children, for which the reporting person serves as trustee. The reporting person may be deemed to beneficially own the shares of common stock owned by Ernest Group.

SEC source: 0000950170-24-070825 · ownership.xml · nonDerivative · entry 6

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Ernest Group, Inc.

Disclosed balance after: 3,645,017

F2 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F4 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $144.30 to $145.04, 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.

F7 · ownership.nature: Represents shares of common stock owned by Ernest Group. The reporting person is the sole director of Ernest Group, and Ernest Group is wholly owned by the reporting person and certain trusts for the reporting person's children, for which the reporting person serves as trustee. The reporting person may be deemed to beneficially own the shares of common stock owned by Ernest Group.

SEC source: 0000950170-24-070825 · ownership.xml · nonDerivative · entry 5

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Ernest Group, Inc.

Disclosed balance after: 3,645,431

F2 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F3 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $143.71 to $144.27, inclusive. The reporting person undertakes to provide to 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.

F7 · ownership.nature: Represents shares of common stock owned by Ernest Group. The reporting person is the sole director of Ernest Group, and Ernest Group is wholly owned by the reporting person and certain trusts for the reporting person's children, for which the reporting person serves as trustee. The reporting person may be deemed to beneficially own the shares of common stock owned by Ernest Group.

SEC source: 0000950170-24-070825 · ownership.xml · nonDerivative · entry 4

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,066,608

F2 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F6 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $146.09 to $146.88, 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.

SEC source: 0000950170-24-070825 · ownership.xml · nonDerivative · entry 3

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,066,785

F2 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F5 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $145.07 to $145.96, 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.

SEC source: 0000950170-24-070825 · ownership.xml · nonDerivative · entry 2

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,067,926

F2 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F4 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $144.30 to $145.04, 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.

SEC source: 0000950170-24-070825 · ownership.xml · nonDerivative · entry 1

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,068,340

F1 · date: Under Section 16(b) of the Securities Exchange Act of 1934, as amended, the sale transactions reported herein are matchable with the reporting person's purchase of one share of common stock on December 14, 2023 at a price of $201.86. Because the purchase price exceeded the sale prices for all transactions reported herein, no profit was realized by the reporting person. The reporting person has agreed to voluntarily disgorge to Paycom Software, Inc. (the "Issuer") any profits realized from matchable transactions occurring within less than six months of the previously reported purchase transaction.

F2 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F3 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $143.71 to $144.27, inclusive. The reporting person undertakes to provide to 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.

SEC source: 0000950170-24-069480 · ownership.xml · nonDerivative · entry 1

WATTS J C JR · CIK 0001213577 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,230

F1 · balance_after: Includes 1,216 unvested shares of restricted stock.

SEC source: 0000950170-24-070121 · ownership.xml · nonDerivative · entry 8

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Ernest Group, Inc.

Disclosed balance after: 3,645,649

F2 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F6 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $147.35 to $147.41, 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.

F7 · ownership.nature: Represents shares of common stock owned by Ernest Group. The reporting person is the sole director of Ernest Group, and Ernest Group is wholly owned by the reporting person and certain trusts for the reporting person's children, for which the reporting person serves as trustee. The reporting person may be deemed to beneficially own the shares of common stock owned by Ernest Group.

SEC source: 0000950170-24-070121 · ownership.xml · nonDerivative · entry 7

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Ernest Group, Inc.

Disclosed balance after: 3,645,652

F2 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F5 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $145.98 to $146.88, 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.

F7 · ownership.nature: Represents shares of common stock owned by Ernest Group. The reporting person is the sole director of Ernest Group, and Ernest Group is wholly owned by the reporting person and certain trusts for the reporting person's children, for which the reporting person serves as trustee. The reporting person may be deemed to beneficially own the shares of common stock owned by Ernest Group.

SEC source: 0000950170-24-070121 · ownership.xml · nonDerivative · entry 6

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Ernest Group, Inc.

Disclosed balance after: 3,645,913

F2 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F4 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $144.98 to $145.97, 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.

F7 · ownership.nature: Represents shares of common stock owned by Ernest Group. The reporting person is the sole director of Ernest Group, and Ernest Group is wholly owned by the reporting person and certain trusts for the reporting person's children, for which the reporting person serves as trustee. The reporting person may be deemed to beneficially own the shares of common stock owned by Ernest Group.

SEC source: 0000950170-24-070121 · ownership.xml · nonDerivative · entry 5

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Ernest Group, Inc.

Disclosed balance after: 3,646,781

F2 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F3 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $144.00 to $144.97, inclusive. The reporting person undertakes to provide to 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.

F7 · ownership.nature: Represents shares of common stock owned by Ernest Group. The reporting person is the sole director of Ernest Group, and Ernest Group is wholly owned by the reporting person and certain trusts for the reporting person's children, for which the reporting person serves as trustee. The reporting person may be deemed to beneficially own the shares of common stock owned by Ernest Group.

SEC source: 0000950170-24-070121 · ownership.xml · nonDerivative · entry 4

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,068,558

F2 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F6 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $147.35 to $147.41, 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.

SEC source: 0000950170-24-070121 · ownership.xml · nonDerivative · entry 3

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,068,561

F2 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F5 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $145.98 to $146.88, 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.

SEC source: 0000950170-24-070121 · ownership.xml · nonDerivative · entry 2

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,068,822

F2 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F4 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $144.98 to $145.97, 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.

SEC source: 0000950170-24-070121 · ownership.xml · nonDerivative · entry 1

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,069,690

F1 · date: Under Section 16(b) of the Securities Exchange Act of 1934, as amended, the sale transactions reported herein are matchable with the reporting person's purchase of one share of common stock on December 14, 2023 at a price of $201.86. Because the purchase price exceeded the sale prices for all transactions reported herein, no profit was realized by the reporting person. The reporting person has agreed to voluntarily disgorge to Paycom Software, Inc. (the "Issuer") any profits realized from matchable transactions occurring within less than six months of the previously reported purchase transaction.

F2 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F3 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $144.00 to $144.97, inclusive. The reporting person undertakes to provide to 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.

SEC source: 0000950170-24-069486 · ownership.xml · nonDerivative · entry 10

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Ernest Group, Inc.

Disclosed balance after: 3,647,599

F2 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F6 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $148.37 to $149.01, 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.

F7 · ownership.nature: Represents shares of common stock owned by Ernest Group. The reporting person is the sole director of Ernest Group, and Ernest Group is wholly owned by the reporting person and certain trusts for the reporting person's children, for which the reporting person serves as trustee. The reporting person may be deemed to beneficially own the shares of common stock owned by Ernest Group.

SEC source: 0000950170-24-069486 · ownership.xml · nonDerivative · entry 9

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Ernest Group, Inc.

Disclosed balance after: 3,647,899

F2 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F5 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $147.26 to $148.08, 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.

F7 · ownership.nature: Represents shares of common stock owned by Ernest Group. The reporting person is the sole director of Ernest Group, and Ernest Group is wholly owned by the reporting person and certain trusts for the reporting person's children, for which the reporting person serves as trustee. The reporting person may be deemed to beneficially own the shares of common stock owned by Ernest Group.

SEC source: 0000950170-24-069486 · ownership.xml · nonDerivative · entry 8

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Ernest Group, Inc.

Disclosed balance after: 3,648,399

F2 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F4 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $146.25 to $147.20, 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.

F7 · ownership.nature: Represents shares of common stock owned by Ernest Group. The reporting person is the sole director of Ernest Group, and Ernest Group is wholly owned by the reporting person and certain trusts for the reporting person's children, for which the reporting person serves as trustee. The reporting person may be deemed to beneficially own the shares of common stock owned by Ernest Group.

SEC source: 0000950170-24-069486 · ownership.xml · nonDerivative · entry 7

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Ernest Group, Inc.

Disclosed balance after: 3,649,399

F2 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F7 · ownership.nature: Represents shares of common stock owned by Ernest Group. The reporting person is the sole director of Ernest Group, and Ernest Group is wholly owned by the reporting person and certain trusts for the reporting person's children, for which the reporting person serves as trustee. The reporting person may be deemed to beneficially own the shares of common stock owned by Ernest Group.

SEC source: 0000950170-24-069486 · ownership.xml · nonDerivative · entry 6

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Ernest Group, Inc.

Disclosed balance after: 3,649,449

F2 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F3 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $144.16 to $144.59, inclusive. The reporting person undertakes to provide to 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.

F7 · ownership.nature: Represents shares of common stock owned by Ernest Group. The reporting person is the sole director of Ernest Group, and Ernest Group is wholly owned by the reporting person and certain trusts for the reporting person's children, for which the reporting person serves as trustee. The reporting person may be deemed to beneficially own the shares of common stock owned by Ernest Group.

SEC source: 0000950170-24-069486 · ownership.xml · nonDerivative · entry 5

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,070,508

F2 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F6 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $148.37 to $149.01, 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.

SEC source: 0000950170-24-069486 · ownership.xml · nonDerivative · entry 4

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,070,808

F2 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F5 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $147.26 to $148.08, 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.

SEC source: 0000950170-24-069486 · ownership.xml · nonDerivative · entry 3

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,071,308

F2 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F4 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $146.25 to $147.20, 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.

SEC source: 0000950170-24-069486 · ownership.xml · nonDerivative · entry 2

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,072,308

F2 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

SEC source: 0000950170-24-069486 · ownership.xml · nonDerivative · entry 1

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,072,358

F1 · date: Under Section 16(b) of the Securities Exchange Act of 1934, as amended, the sale transactions reported herein are matchable with the reporting person's purchase of one share of common stock on December 14, 2023 at a price of $201.86. Because the purchase price exceeded the sale prices for all transactions reported herein, no profit was realized by the reporting person. The reporting person has agreed to voluntarily disgorge to Paycom Software, Inc. (the "Issuer") any profits realized from matchable transactions occurring within less than six months of the previously reported purchase transaction.

F2 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F3 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $144.16 to $144.59, inclusive. The reporting person undertakes to provide to 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.

SEC source: 0000950170-24-068841 · ownership.xml · nonDerivative · entry 10

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Ernest Group, Inc.

Disclosed balance after: 3,649,549

F2 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F7 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $148.39 to $148.78, 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.

F8 · ownership.nature: Represents shares of common stock owned by Ernest Group. The reporting person is the sole director of Ernest Group, and Ernest Group is wholly owned by the reporting person and certain trusts for the reporting person's children, for which the reporting person serves as trustee. The reporting person may be deemed to beneficially own the shares of common stock owned by Ernest Group.

SEC source: 0000950170-24-068841 · ownership.xml · nonDerivative · entry 9

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Ernest Group, Inc.

Disclosed balance after: 3,649,574

F2 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F6 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $147.41 to $148.38, 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.

F8 · ownership.nature: Represents shares of common stock owned by Ernest Group. The reporting person is the sole director of Ernest Group, and Ernest Group is wholly owned by the reporting person and certain trusts for the reporting person's children, for which the reporting person serves as trustee. The reporting person may be deemed to beneficially own the shares of common stock owned by Ernest Group.

SEC source: 0000950170-24-068841 · ownership.xml · nonDerivative · entry 8

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Ernest Group, Inc.

Disclosed balance after: 3,649,722

F2 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F5 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $146.46 to $147.40, 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.

F8 · ownership.nature: Represents shares of common stock owned by Ernest Group. The reporting person is the sole director of Ernest Group, and Ernest Group is wholly owned by the reporting person and certain trusts for the reporting person's children, for which the reporting person serves as trustee. The reporting person may be deemed to beneficially own the shares of common stock owned by Ernest Group.

SEC source: 0000950170-24-068841 · ownership.xml · nonDerivative · entry 7

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Ernest Group, Inc.

Disclosed balance after: 3,650,066

F2 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F4 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $145.46 to $146.42, 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.

F8 · ownership.nature: Represents shares of common stock owned by Ernest Group. The reporting person is the sole director of Ernest Group, and Ernest Group is wholly owned by the reporting person and certain trusts for the reporting person's children, for which the reporting person serves as trustee. The reporting person may be deemed to beneficially own the shares of common stock owned by Ernest Group.

SEC source: 0000950170-24-068841 · ownership.xml · nonDerivative · entry 6

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Ernest Group, Inc.

Disclosed balance after: 3,650,776

F2 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F3 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $144.50 to $145.45, inclusive. The reporting person undertakes to provide to 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.

F8 · ownership.nature: Represents shares of common stock owned by Ernest Group. The reporting person is the sole director of Ernest Group, and Ernest Group is wholly owned by the reporting person and certain trusts for the reporting person's children, for which the reporting person serves as trustee. The reporting person may be deemed to beneficially own the shares of common stock owned by Ernest Group.

SEC source: 0000950170-24-068841 · ownership.xml · nonDerivative · entry 5

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,072,458

F2 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F7 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $148.39 to $148.78, 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.

SEC source: 0000950170-24-068841 · ownership.xml · nonDerivative · entry 4

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,072,483

F2 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F6 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $147.41 to $148.38, 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.

SEC source: 0000950170-24-068841 · ownership.xml · nonDerivative · entry 3

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,072,631

F2 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F5 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $146.46 to $147.40, 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.

SEC source: 0000950170-24-068841 · ownership.xml · nonDerivative · entry 2

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,072,975

F2 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F4 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $145.46 to $146.42, 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.

SEC source: 0000950170-24-068841 · ownership.xml · nonDerivative · entry 1

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,073,685

F1 · date: Under Section 16(b) of the Securities Exchange Act of 1934, as amended, the sale transactions reported herein are matchable with the reporting person's purchase of one share of common stock on December 14, 2023 at a price of $201.86. Because the purchase price exceeded the sale prices for all transactions reported herein, no profit was realized by the reporting person. The reporting person has agreed to voluntarily disgorge to Paycom Software, Inc. (the "Issuer") any profits realized from matchable transactions occurring within less than six months of the previously reported purchase transaction.

F2 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F3 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $144.50 to $145.45, inclusive. The reporting person undertakes to provide to 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.

SEC source: 0000950170-24-068185 · ownership.xml · nonDerivative · entry 11

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Ernest Group, Inc.

Disclosed balance after: 3,651,499

F2 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F4 · ownership.nature: Represents shares of common stock owned by Ernest Group. The reporting person is the sole director of Ernest Group, and Ernest Group is wholly owned by the reporting person and certain trusts for the reporting person's children, for which the reporting person serves as trustee. The reporting person may be deemed to beneficially own the shares of common stock owned by Ernest Group.

SEC source: 0000950170-24-068185 · ownership.xml · nonDerivative · entry 10

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Ernest Group, Inc.

Disclosed balance after: 3,651,544

F2 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F13 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $153.95 to $153.97 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.

F4 · ownership.nature: Represents shares of common stock owned by Ernest Group. The reporting person is the sole director of Ernest Group, and Ernest Group is wholly owned by the reporting person and certain trusts for the reporting person's children, for which the reporting person serves as trustee. The reporting person may be deemed to beneficially own the shares of common stock owned by Ernest Group.

SEC source: 0000950170-24-068185 · ownership.xml · nonDerivative · entry 9

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Ernest Group, Inc.

Disclosed balance after: 3,651,558

F2 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F12 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $152.92 to $153.23 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.

F4 · ownership.nature: Represents shares of common stock owned by Ernest Group. The reporting person is the sole director of Ernest Group, and Ernest Group is wholly owned by the reporting person and certain trusts for the reporting person's children, for which the reporting person serves as trustee. The reporting person may be deemed to beneficially own the shares of common stock owned by Ernest Group.

SEC source: 0000950170-24-068185 · ownership.xml · nonDerivative · entry 8

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Ernest Group, Inc.

Disclosed balance after: 3,651,574

F2 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F11 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $151.35 to $151.78 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.

F4 · ownership.nature: Represents shares of common stock owned by Ernest Group. The reporting person is the sole director of Ernest Group, and Ernest Group is wholly owned by the reporting person and certain trusts for the reporting person's children, for which the reporting person serves as trustee. The reporting person may be deemed to beneficially own the shares of common stock owned by Ernest Group.

SEC source: 0000950170-24-068185 · ownership.xml · nonDerivative · entry 7

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Ernest Group, Inc.

Disclosed balance after: 3,651,671

F2 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F10 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $150.36 to $151.34 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.

F4 · ownership.nature: Represents shares of common stock owned by Ernest Group. The reporting person is the sole director of Ernest Group, and Ernest Group is wholly owned by the reporting person and certain trusts for the reporting person's children, for which the reporting person serves as trustee. The reporting person may be deemed to beneficially own the shares of common stock owned by Ernest Group.

SEC source: 0000950170-24-068185 · ownership.xml · nonDerivative · entry 6

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Ernest Group, Inc.

Disclosed balance after: 3,651,913

F2 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F9 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $149.41 to $150.15, 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.

F4 · ownership.nature: Represents shares of common stock owned by Ernest Group. The reporting person is the sole director of Ernest Group, and Ernest Group is wholly owned by the reporting person and certain trusts for the reporting person's children, for which the reporting person serves as trustee. The reporting person may be deemed to beneficially own the shares of common stock owned by Ernest Group.

SEC source: 0000950170-24-068185 · ownership.xml · nonDerivative · entry 5

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Ernest Group, Inc.

Disclosed balance after: 3,652,017

F2 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F8 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $148.49 to $149.24, 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.

F4 · ownership.nature: Represents shares of common stock owned by Ernest Group. The reporting person is the sole director of Ernest Group, and Ernest Group is wholly owned by the reporting person and certain trusts for the reporting person's children, for which the reporting person serves as trustee. The reporting person may be deemed to beneficially own the shares of common stock owned by Ernest Group.

SEC source: 0000950170-24-068185 · ownership.xml · nonDerivative · entry 4

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Ernest Group, Inc.

Disclosed balance after: 3,652,069

F2 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F7 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $146.91 to $147.89, 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.

F4 · ownership.nature: Represents shares of common stock owned by Ernest Group. The reporting person is the sole director of Ernest Group, and Ernest Group is wholly owned by the reporting person and certain trusts for the reporting person's children, for which the reporting person serves as trustee. The reporting person may be deemed to beneficially own the shares of common stock owned by Ernest Group.

SEC source: 0000950170-24-068185 · ownership.xml · nonDerivative · entry 3

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Ernest Group, Inc.

Disclosed balance after: 3,652,136

F2 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F6 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $146.05 to $146.73, 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.

F4 · ownership.nature: Represents shares of common stock owned by Ernest Group. The reporting person is the sole director of Ernest Group, and Ernest Group is wholly owned by the reporting person and certain trusts for the reporting person's children, for which the reporting person serves as trustee. The reporting person may be deemed to beneficially own the shares of common stock owned by Ernest Group.

SEC source: 0000950170-24-068185 · ownership.xml · nonDerivative · entry 2

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Ernest Group, Inc.

Disclosed balance after: 3,652,409

F2 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F5 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $145.05 to $146.04, 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.

F4 · ownership.nature: Represents shares of common stock owned by Ernest Group. The reporting person is the sole director of Ernest Group, and Ernest Group is wholly owned by the reporting person and certain trusts for the reporting person's children, for which the reporting person serves as trustee. The reporting person may be deemed to beneficially own the shares of common stock owned by Ernest Group.