(updated with correction)
U.S. Steel Corp., Pittsburgh, plans to contribute about $570 million to its defined benefit plans, retiree health care and life insurance plans for 2010, according to the company's fourth-quarter earnings report released today.
In 2009, the company contributed $140 million to its DB plans.
At year-end, the defined benefit plans were underfunded by $1.7 billion, according to the earnings report.
U.S. Steel had $7.887 billion in defined benefit assets as of Sept. 30, according to a Pensions & Investments estimate.