Prepared by R.R. Donnelley Financial -- Form 425

                                                         FILING PURSUANT TO RULE 425 OF THE
                                                         SECURITIES ACT OF 1933, AS AMENDED

                                                         FILER: NORTHROP GRUMMAN CORPORATION

                                                         SUBJECT COMPANY: TRW INC. (NO. 1-2384)

                                                         FILING: REGISTRATION STATEMENT ON FORM S-4
                                                                        (REGISTRATION NO. 333-83672)



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.