X0303 4 2010-05-05 0 0000277948 CSX CORP CSX 0001237371 MUNOZ OSCAR C/O CSX CORP 500 WATER STREET, 15TH FLOOR JACKSONVILLE FL 32202 0 1 0 0 Executive Vice President & CFO Common Stock 2010-05-05 4 A 0 7469 50.21 A 263862 D Restricted stock units awarded pursuant to the shareholder approved 2010 CSX Stock and Incentive Award Plan. The units vest on May 4, 2013 and are payable solely in shares of common stock of CSX Corporation on a one-to-one basis. By: Mark D. Austin Attorney-in-Fact 2010-05-07