CSX CORP — Director's Dealing 2006

Apr 3, 2006

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CSX CORP (CSX)
CIK: 0000277948
Period of Report: 2006-03-30

Reporting Person: SIZEMORE CAROLYN T (VP and Controller)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2006-03-30	Common Stock	M	5000	$44.8125	Acquired	5000	Direct
2006-03-30	Common Stock	S	5000	$60.00	Disposed	0	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2006-03-30	Employee Stock Option (right to buy)	$44.8125	M	5000	Acquired	2009-04-27	Common Stock (5000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	7468.914	Indirect
Common Stock	1038.727	Indirect

Footnotes

F1: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading program adopted by the reporting person on February 8, 2006.

F2: Trustee, CSX 401(k) Plan.

F3: Cashless exercise of stock options pursuant to Rule 10b5-1 trading plan referenced in Note 1.