WEST CHESTER, Ohio, Nov. 29, 2012 /PRNewswire/ -- AK Steel Holding Corporation (NYSE: AKS) ("AK Holding") announced that the underwriters for its previously announced offering of common stock have exercised in full their option to purchase an additional 3,300,000 shares of common stock. AK Holding intends to use the net proceeds from the sale of the additional shares for general corporate purposes. The offering is being made pursuant to an effective shelf registration statement on file with the Securities and Exchange Commission (the "SEC"). Closing of the sale of the additional shares is expected to occur on December 3, 2012, subject to customary closing conditions. The joint book-running managers for the offering are J.P. Morgan, Credit Suisse, Morgan Stanley, Wells Fargo Securities, Deutsche Bank Securities and Goldman, Sachs & Co. AK Holding and AK Steel Corporation ("AK Steel") have filed a registration statement (including a prospectus) with the SEC relating to the offering. The offering may be made only by means of a prospectus supplement and the accompanying prospectus. Before you invest, you should read the prospectus supplement and accompanying prospectus and other documents AK Holding and AK Steel have filed with the SEC for more complete information about AK Holding, AK Steel and the offering. You may review electronic copies of these documents for free by visiting EDGAR on the SEC Web site at www.sec.gov. Alternatively, any underwriter or any dealer participating in the offering will arrange to send you the prospectus supplement and accompanying prospectus if you request them by contacting: J.P. Morgan at J.P. Morgan Securities LLC, Attn: Broadridge Financial Solutions, 1155 Long Island Avenue, Edgewood, New York 11717, 866-803-9204; Credit Suisse at Credit Suisse Securities ( USA) LLC, Prospectus Department, One Madison Avenue, New York, NY 10010, 800-221-1037, or email: firstname.lastname@example.org; Morgan Stanley at Morgan Stanley & Co. LLC, Attention: Prospectus Department, 180 Varick Street, 2nd Floor, New York, NY 10014, 866-718-1649, or email: email@example.com; Wells Fargo Securities at Wells Fargo Securities, LLC, Attn: Equity Syndicate Department, 375 Park Avenue, New York, New York 10152, 800-326-5897, or email: firstname.lastname@example.org; Deutsche Bank Securities at Deutsche Bank Securities Inc., Attn: Prospectus Group, 60 Wall Street, New York, NY 10005, 800-503-4611, or email: email@example.com; or Goldman, Sachs & Co. at Goldman, Sachs & Co., Prospectus Department, 200 West Street, New York, NY 10282, 866-471-2526, facsimile: 212-902-9316, or email: firstname.lastname@example.org. This announcement does not constitute an offer to sell or the solicitation of an offer to buy the common stock, nor shall there be any sale of such common stock in any state in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state.