Released: Mar 17, 2010

JACKSONVILLE, Fla., (March 17, 2010) - CSX Corporation (NYSE: CSX) will release first-quarter 2010 financial and operating results on Tuesday, April 13, 2010 after the market close.

The Company will host an earnings conference call at 8:30 am Eastern Daylight Time on Wednesday, April 14, 2010 via teleconference and a live audio webcast.

Those interested in participating via teleconference may dial 1-888-327-6279 (1-888-EARN-CSX) and ask for the CSX earnings call. Callers outside the U.S. dial 1-773-756-0199. Participants should dial in 10 minutes prior to the call.

Presentation materials and access to the audio webcast will be available on the company's website at http://investors.csx.com. Following the earnings call, a webcast replay and a MP3 audio file will be archived on the company's website.

Contact:
David Baggs, Investor Relations
904-359-4812

Lauren Rueger, Corporate Communications
877-835-5279


About CSX
CSX Corporation, based in Jacksonville, Fla., is one of the nation's leading transportation companies, providing rail, intermodal and rail-to-truck transload services. The company's transportation network spans approximately 21,000 miles, with service to 23 eastern states and the District of Columbia, and connects to more than 70 ocean, river and lake ports. More information about CSX Corporation and its subsidiaries is available at the company's web site, www.csx.com.