Item 7.01 Regulation FD Disclosure.

AK Steel Holding Corporation is hereby furnishing the following information under Regulation FD:

On September 3, 2009, AK Steel Corporation issued a press release, a copy of which is attached hereto as Exhibit No. 99.1 and incorporated by reference herein, announcing that it has reached agreement with SunCoke Energy, Inc. (SunCoke) to provide AK Steel with metallurgical-grade coke from SunCoke's Haverhill facility in Scioto County near the Ohio River in southern Ohio. The agreement has a 12-year term with two five-year renewal options. Under the agreement, SunCoke Haverhill will provide AK Steel with up to 550,000 tons of coke annually, as well as a financial interest in the electricity co-generated from the heat recovery coke battery.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibit:

99.1 Press Release issued on September 3, 2009

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