CSX CORP — Director's Dealing 2007

May 9, 2007

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CSX CORP (CSX)
CIK: 0000277948
Period of Report: 2007-05-07

Reporting Person: HAULTER ROBERT J (Senior VP-Human Resources)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2007-05-07	Common Stock	M	33334	$16.0725	Acquired	39632	Direct
2007-05-07	Common Stock	S	33334	$45.9426	Disposed	6298	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2007-05-07	Employee Stock Option (right to-buy)	$16.0725	M	33334	Disposed	2013-05-07	Common Stock (33334)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	46245.618	Indirect
Common Stock	481.759	Indirect

Footnotes

F1: The transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on April 20, 2007.

F2: By Trustee, CSX Corporation Executive Deferred Compensation Plan.

F3: By Trustee, CSX Corporation Executives Stock Trust.