Filed by: Northrop Grumman Corporation
                                             and NNG, Inc.
                                   Pursuant to Rule 425 Under the
                                   Securities Act of 1933
                                   Subject Company: Litton Industries, Inc.
                                   Commission File No: 333-54800

                                              Northrop Grumman Corporation
                                              Public Information
NEWS                                          1840 Century Park East
[LOGO OF NORTHROP GRUMMAN CORPORATION]        Los Angeles, California 90067-2199
                                              Telephone 310-553-6262
                                              Fax 310-556-4561


                                              Contact:  Jim Taft
                                                        (310) 201-3335



For Immediate Release

NORTHROP GRUMMAN FILES
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WITH EUROPEAN UNION
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    LOS ANGELES -- Feb. 22, 2001 -- Northrop Grumman Corporation (NYSE:NOC) has
announced that it provided European Union (EU) regulatory authorities today with
the necessary filings related to its pending acquisition of Litton Industries
Inc. (NYSE: LIT). The normal time period required to complete this EU regulatory
review would expire on March 23, 2001.

    On Dec. 21, 2000, Northrop Grumman and Litton jointly announced that they
had signed a definitive agreement under which Northrop Grumman will acquire
Litton in a transaction valued at approximately $5.1 billion.

    Northrop Grumman Corporation, headquartered in Los Angeles, is a world-
class, high technology company providing innovative solutions in systems
integration, defense electronics and information technology for its U.S. and
international military, government and commercial customers, as a prime
contractor, principal subcontractor, team member of preferred supplier.  The
company had revenues of $7.6 billion in 2000 and has a workforce of
approximately 39,000 employees.

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    NNG, Inc., a wholly-owned subsidiary of Northrop Grumman Corporation, has
filed a Registration Statement on Form S-4 with the Securities and Exchange
Commission (the "SEC") in connection with its offer to purchase or exchange all
of the outstanding capital stock of Litton Industries, Inc. Litton stockholders
should read such Registration Statement and any other relevant documents filed
with the SEC carefully before making any decisions with respect to the offer to
purchase or exchange because these documents contain important information.
Copies of the Registration Statement and any related documents filed with the
SEC can be obtained free of charge at the website maintained by the SEC at
www.sec.gov.