X0508 4 2024-07-26 0000033185 EQUIFAX INC EFX 0001335111 Begor Mark W 1550 PEACHTREE STREET, N.W. ATLANTA GA 30309 1 1 CEO 1 Common Stock 2024-07-26 4 M 0 34408.0000 149.5300 A 143526.0000 D Common Stock 2024-07-26 4 M 0 23892.0000 138.4500 A 167418.0000 D Common Stock 2024-07-26 4 S 0 4204.0000 271.0372 D 163214.0000 D Common Stock 2024-07-26 4 S 0 5671.0000 267.5439 D 157543.0000 D Common Stock 2024-07-26 4 S 0 7958.0000 268.0399 D 149585.0000 D Common Stock 2024-07-26 4 S 0 17594.0000 269.3791 D 131991.0000 D Common Stock 2024-07-26 4 S 0 22873.0000 270.2392 D 109118.0000 D Common Stock 43382.0000 I 2-Year 2023 GRAT Common Stock 20025.0000 I 2-year Feb 2024 GRAT Common Stock 24125.0000 I 2-yr Jul 2024 GRAT Common Stock 24225.0000 I 3-yr Jul 2024 GRAT Common Stock 12333.0000 I 4-Year 2021 GRAT Stock Option/Right to Buy 138.4500 2024-07-26 4 M 0 23892.0000 0.0000 D 2022-02-22 2025-02-22 Common Stock 23892.0000 0.0000 D Stock Option/Right to Buy 149.5300 2024-07-26 4 M 0 34408.0000 0.0000 D 2022-02-22 2025-02-22 Common Stock 34408.0000 58304.0000 D The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 11/6/2023. Includes accrued dividend equivalent units for dividends reinvested in corresponding restricted stock units through the Company's last dividend payment date. The price reported in column 4 is a weighted average price. The shares were sold at prices ranging from $270.79 to $271.415, inclusive. Upon request by the SEC staff, the issuer, or any security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price will be provided. The price reported in column 4 is a weighted average price. The shares were sold at prices ranging from $266.765 to $267.7575, inclusive. Upon request by the SEC staff, the issuer, or any security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price will be provided. The price reported in column 4 is a weighted average price. The shares were sold at prices ranging from $267.78 to $268.715, inclusive. Upon request by the SEC staff, the issuer, or any security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price will be provided. The price reported in column 4 is a weighted average price. The shares were sold at prices ranging from $268.81 to $269.80, inclusive. Upon request by the SEC staff, the issuer, or any security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price will be provided. The price reported in column 4 is a weighted average price. The shares were sold at prices ranging from $269.81 to $270.78, inclusive. Upon request by the SEC staff, the issuer, or any security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price will be provided. /s/Lisa Stockard as Attorney-in-Fact 2024-07-30