As previously disclosed, AK Steel Corporation (the “Company”) and the United Autoworkers, Local 600 (“UAW Local 600”), which represents approximately 1,160 employees at Company’s Dearborn (MI) Works, agreed to extend the expiration of their labor contact from March 31, 2017 to May 31, 2017. (“Labor Agreement”). On May 31, 2017, the Company and the UAW Local 600 agreed to continue to negotiate in good faith to reach a new labor agreement, and that the parties shall proceed to operate under the terms and conditions of the Labor Agreement.

About AK STEEL HOLDING CORPORATION (NYSE:AKS)

AK Steel Holding Corporation is an integrated producer of flat-rolled carbon, stainless and electrical steels and tubular products through its subsidiary, AK Steel Corporation (AK Steel). The Company operates approximately eight steelmaking and finishing plants, over two coke plants and approximately two tube manufacturing plants across states, which include Indiana, Kentucky, Michigan, Ohio, Pennsylvania and West Virginia. These operations produce flat-rolled carbon, specialty stainless and electrical steels that it sells in sheet and strip form, and carbon and stainless steel that it finishes into welded steel tubing. The Company also produces metallurgical coal through its subsidiary, AK Coal Resources, Inc. (AK Coal). In addition, the Company operates trading companies in Mexico and Europe that buy and sell steel and steel products and other materials. It sells flat-rolled carbon steel products, consisting of coated, cold-rolled, and hot-rolled carbon steel products.

AK STEEL HOLDING CORPORATION (NYSE:AKS) Recent Trading Information

AK STEEL HOLDING CORPORATION (NYSE:AKS) closed its last trading session down -0.02 at 6.08 with 20,991,989 shares trading hands.