X0508 4 2023-11-01 0000033185 EQUIFAX INC EFX 0001335111 Begor Mark W 1550 PEACHTREE STREET, N.W. ATLANTA GA 30309 1 1 CEO 1 Common Stock 2023-11-01 4 S 0 88.0000 168.8849 D 69923.0000 D Common Stock 2023-11-01 4 S 0 1482.0000 166.9199 D 68441.0000 D Common Stock 2023-11-01 4 S 0 1504.0000 165.0725 D 66937.0000 D Common Stock 2023-11-01 4 S 0 1872.0000 168.3915 D 65065.0000 D Common Stock 2023-11-01 4 S 0 2054.0000 165.6778 D 63011.0000 D Common Stock 20025.0000 I 2-Year 2022 GRAT Common Stock 69360.0000 I 2-Year 2023 GRAT Common Stock 13475.0000 I 2-year May 2022 GRAT Common Stock 23083.0000 I 4-Year 2021 GRAT The sales reported in this Form 4 were effected pursuant to a rule 10b5-1 trading plan adopted by the reporting person on 2/17/2023. The price reported in column 4 is a weighted average price. The shares were sold at prices ranging from $168.805 to $169.14, 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. 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 $166.565 to $167.53, 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 $164.35 to $165.34, 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 $167.76 to $168.73, 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 $165.35 to $166.24, 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 2023-11-02