X0306 4 2014-09-15 0 0000277948 CSX CORP CSX 0001237371 MUNOZ OSCAR 500 WATER STREET JACKSONVILLE FL 32202 0 1 0 0 Executive Vice President & COO Common Stock 2014-09-15 4 S 0 37500 31.50 D 625967 D The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 7, 2014. The plan has been approved pursuant to the terms of the Issuer's policies and is part of the Reporting Person's strategy to diversify assets. /s/ Mark D. Austin, Attorney-in-Fact 2014-09-15