Northrop Grumman adds $26 million

Northrop Grumman Corp., Los Angeles, contributed $26 million to its $22.9 billion defined benefit plans in the first quarter and expects to contribute a total of $121 million this year, its minimum required funding contribution, according to SEC filings. Northrop Grumman contributed $342 million in 2007; the minimum requirement was $142 million. In the first three months of this year, the plan lost $475 million on its investments; in the first quarter of 2007, the plan lost $443 million. Spokesman Thomas Henson did not return a phone call seeking comment before press time.