AK Steel , Middletown, Ohio, will contribute $84 million to its...

AK Steel, Middletown, Ohio, will contribute $84 million to its pension trust fund ahead of schedule, according to a news release. The company - which had $2.5 billion in total pension assets as of Dec. 31 and liabilities of $1.2 billion - will make the contribution next week, more than five months before the final due date, the release said. Spokesman Alan H. McCoy was not immediately available for comment. AK Steel's previous pension contribution, in January 2005, totaled $150 million, the release said.