SunCoke Energy, Inc. U.S. Coke Production Estimated at Nearly 1.1 Million Tons in Second Quarter 2012

Total U.S. coke production in the second quarter 2012 is estimated to be 1,089 thousand tons, up an estimated 167 thousand tons compared to second quarter 2011 and an estimated 21 thousand tons compared to first quarter 2012 Our new Middletown, Ohio facility, which began operations in late October 2011, produced an estimated 148 thousand tons of coke in the second quarter 2012 SunCoke Energy, Inc. SXC today reported that second quarter 2012 U.S. coke production is expected to be approximately 1,089 thousand tons. This reflects an estimated increase of 167 thousand tons versus the same period in 2011 and an estimated 21 thousand tons versus first quarter 2012. The estimated year-over-year increase in U.S. coke production in the second quarter was driven by our new Middletown facility and continued strong operations at our Haverhill and Granite City facilities. The estimated increase versus first quarter 2012 is due to higher production at our Indiana Harbor and Middletown facilities. Our U.S. cokemaking capacity utilization was approximately 103 percent in second quarter 2012 versus 100 percent in second quarter 2011 and 101 percent in first quarter 2012.