Northrop Grumman Corporation announced Monday that it has extended the expiration of its pending exchange offer for all outstanding shares of common and preferred stock of TRW Inc. (NYSE: TRW) from June 21, 2002, to Friday, June 28, 2002, at midnight EDT.

Approximately 3,308,407 shares of TRW common stock of which 563,436 shares are subject to guaranteed delivery; 1,719 shares of Cumulative Serial Preference Stock II, $4.40 Convertible Series 1 of which 26 shares are subject to guaranteed delivery; and 3,801 shares of Cumulative Serial Preference Stock II, $4.50 Convertible Series 3, had been tendered to Northrop Grumman as of 5:00 p.m. EDT June 21, 2002. The tendered shares are subject to validation by TRW’s transfer agent.

Northrop Grumman Corporation is an $18 billion, global defense company with its worldwide headquarters in Los Angeles. With nearly 100,000 employees and operations in 44 states and 25 countries, Northrop Grumman serves U.S. and international military, government and commercial customers.