Northrop Grumman
Corporation today announced that it has extended the expiration of
its pending exchange offer for all outstanding shares of common and preferred
stock of TRW Inc. 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. Northrop Grumman provides
technologically advanced, innovative products, services and solutions in
defense and commercial electronics, systems integration, information
technology and nuclear and non-nuclear shipbuilding and systems. With nearly
100,000 employees and operations in 44 states and 25 countries, Northrop
Grumman serves U.S. and international military, government and commercial

Northrop Grumman filed a registration statement on Form S-4 (File
No. 333-83672) and a tender offer statement on Schedule TO with the SEC on
March 4, 2002 with respect to its offer to exchange all outstanding shares of
TRW capital stock for Northrop Grumman stock. These documents contain
important information. TRW shareholders should read these documents and any
amendments or supplements thereto before making any decision regarding the
offer to exchange. Copies of such documents may be obtained without charge at
the SEC’s website at or from D.F. King & Co., Inc. the information
agent for the offer to exchange, at 800-755-7250.