AK Steel Announces Price Increases For Automotive Exhaust Alloys

Middletown, OH, July 31, 2006—AK Steel (NYSE: AKS) said today that it will increase transaction prices for all stainless steel automotive exhaust alloys effective with shipments on September 3, 2006.  The transaction prices for types 409, 439, 15 Cr-Cb™, 18 Cr-Cb™ and 429 DS will increase by 30%.  Transaction prices for Aluminized 409, Aluminized 439, and types 409 Ni and 410 Cb will increase by 20%.  The company said that its published stainless product surcharges remain in effect.

Headquartered in Middletown, Ohio, AK Steel produces flat-rolled carbon, stainless and electrical steel products, as well as carbon and stainless tubular steel products, for automotive, appliance, construction and manufacturing markets.