X0508 4 2024-05-31 0000033185 EQUIFAX INC EFX 0001753380 Griggs James M 1550 PEACHTREE STREET, N.W. ATLANTA GA 30309 1 SVP & Corp Controller 1 Common Stock 2024-05-31 4 S 0 36.0000 230.0319 D 4965.0000 D Common Stock 2024-05-31 4 S 0 131.0000 229.0856 D 4834.0000 D Common Stock 2024-05-31 4 S 0 233.0000 228.2912 D 4601.0000 D The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 2/23/2024. The price reported in column 4 is a weighted average price. The shares were sold at prices ranging from $230.03 to $230.10, 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 $228.85 to $229.525, 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 $227.82 to $228.66, 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 2024-06-04