EQUIFAX INC — Director's Dealing 2004

Aug 17, 2004

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: EQUIFAX INC (EFX)
CIK: 0000033185
Period of Report: 2004-08-16

Reporting Person: MAST KENT E (CVP and General Counsel)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2004-08-16	Common Stock	F	7218	$24.3200	Disposed	41732	Direct
2004-08-16	Common Stock	M	8675	$20.2377	Acquired	50407	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2004-08-16	Stock Option/Right to Buy	$20.2377	M	8675	Disposed	2010-11-07	Common Stock (8675)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	492	Indirect

Footnotes

F1: Partial exercise of an option grant which vests in four equal annual increments beginning on 11/7/00.