X0303 4 2009-06-30 0000918160 AK STEEL HOLDING CORP AKS 0001017659 ABDOO RICHARD A 9227 CENTRE POINTE DRIVE WEST CHESTER OH 45069 1 Common Stock 2009-06-30 4 A 0 826.353 0 A 43519.108 D The securities reported in this column consist of restricted stock units which give the reporting person a contractual right to receive at a future date one share of common stock of AK Steel Holding Corporation for each restricted stock unit held. The number of securities reported in this column includes 43,519.108 restricted stock units held by the reporting person as of the date of this filing. That includes 107.647 restricted stock units that were acquired as a result of the reinvestment of dividends paid by the company on June 10, 2009. /s/ Roger K. Newport, attorney-in-fact for Mr. Abdoo 2009-07-01