X0609 4 2026-03-31 0000033185 EQUIFAX INC EFX 0001225752 MARCUS ROBERT D false 1550 PEACHTREE STREET, N.W. ATLANTA GA 30309 1 0 Phantom Stock Units 2026-03-31 4 A 0 194.0000 180.0700 A Common Stock 194.0000 2483.0000 D Represents phantom stock units previously elected by the reporting person to be received as deferred compensation in lieu of annual cash retainer fees under the Company's Board of Directors Deferred Compensation Plan. Each share of phantom stock is the economic equivalent of one share of common stock. The shares of phantom stock become payable, at the election of the reporting person, upon the reporting person's termination of service as a director. /s/Lisa Stockard as Attorney-in-Fact 2026-04-02