Unisys Corp ., Blue Bell, Pa., contributed $18.4 million to its...

Unisys Corp., Blue Bell, Pa., contributed $18.4 million to its worldwide pension plans in the first quarter, according to a filing with the SEC. The company expects to contribute a total of $70 million to the plans this year, compared with $71.6 million last year. Unisys had $4.7 billion in defined benefit assets as of Sept. 30, according to a Pensions & Investments estimate.