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

                                                            Contact:  Bob Bishop
                                                                  (310) 201-3458

For Immediate Release

NORTHROP GRUMMAN EXTENDS
------------------------
TENDER OFFER FOR LITTON INDUSTRIES INC.
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     LOS ANGELES -- March 1, 2001 -- Northrop Grumman Corporation (NYSE: NOC)
announced today the extension of its pending tender offer for the common and
preferred stock of Litton Industries Inc. (NYSE: LIT) from March 1, 2001, to
March 8, 2001, at midnight E.S.T.

     The company, as previously announced, will extend the existing tender offer
for all outstanding Litton stock in increments of five business days or less
until the Hart-Scott-Rodino and European Union waiting periods have expired as
provided in its agreement with Litton. In this regard, Northrop Grumman said it
would expect to further extend the tender offer next Friday, March 9, 2001, for
an additional five business days.

     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 or 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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                                                                       0301-39

     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.