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(Source: CSX press release, April 17, 2012)

JACKSONVILLE, Fla. – April 17, 2012 – CSX Corporation (NYSE: CSX) today announced first quarter net earnings of $449 million, or $0.43 per share, versus $395 million, or $0.35 per share, in the same period last year. This represents a 23 percent year-over-year improvement in earnings per share.

Year-over-year highlights:

• Operating income improves 11 percent to $856 million
• Operating ratio improves 140 basis points to 71.1 percent
• Earnings per share increases 23 percent to $0.43 per share

“CSX is off to a fast start in a year that will be dynamic and challenging,” said Michael J. Ward, chairman, president and chief executive officer. “A significant majority of our transportation markets are performing very well and our operations are delivering excellent results.”

Revenue in the quarter improved 6 percent from the prior year to nearly $3 billion, driven by increased volume, pricing gains and fuel recovery. Overall volume was up 1 percent in the quarter when compared to the same period last year. Increased shipments in merchandise and intermodal more than offset declines in the company’s coal business.

The higher revenue coupled with the company’s focus on service, productivity and cost control drove an 11 percent increase in operating income to a first quarter record $856 million and a record first quarter operating ratio of 71.1 percent, a 140 basis point improvement year-over-year.

“Although utility coal-related headwinds are likely to be stronger in the second quarter, CSX remains on track to achieve year-over-year earnings growth in 2012,” said Ward.

This earnings announcement, as well as a package of detailed financial information, is contained in the CSX Quarterly Financial Report available on the company’s website at http://investors.csx.com and on Form 8-K with the Securities and Exchange Commission.

CSX executives will conduct a quarterly earnings conference call with the investment community on April 18, 2012, at 8:30 a.m. Eastern time. Investors, media and the public may listen to the conference call by dialing 1-888-327-6279 (888-EARN-CSX) and asking 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. In conjunction with the call, a live webcast will be accessible and presentation materials will be posted on the company’s website at http://investors.csx.com. Following the earnings call, an internet replay of the presentation will be archived on the company website.