AK Holding and 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: 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; J.P. Morgan at J.P. Morgan Securities LLC, Attn: Broadridge Financial Solutions, 1155 Long Island Avenue, Edgewood, New York 11717, 866-803-9204; Citigroup at Citigroup Global Markets Inc., Brooklyn Army Terminal, Attention: Prospectus Department, 140 58th Street, 8th Floor, Brooklyn, New York 11220, 877-858-5407; 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: email@example.com; Morgan Stanley at Morgan Stanley & Co. LLC, Attention: Prospectus Department, 180 Varick Street, 2nd Floor, New York, NY 10014, 866-718-1649, or email: firstname.lastname@example.org ; or BofA Merrill Lynch, Attn: Prospectus Department, 222 Broadway, New York, NY 10038, or email: email@example.com. This announcement does not constitute an offer to sell or the solicitation of an offer to buy the notes in the offering, nor shall there be any sale of such notes 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.