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:  Jim Taft
                                                                  (310) 201-3335
For Immediate Release

NORTHROP GRUMMAN EXTENDS
- ------------------------
TENDER OFFER FOR LITTON INDUSTRIES INC.
- ---------------------------------------

     LOS ANGELES -- March 9, 2001 -- Northrop Grumman Corporation's
(NYSE: NOC) pending tender offer for the common and preferred stock of Litton
Industries Inc. (NYSE: LIT) has been extended from March 8, 2001, to March 15,
2001, at midnight E.S.T.

     The existing tender offer for all outstanding Litton stock, as previously
announced, will be extended in increments of five business days or less until
the Hart-Scott-Rodino and European Union waiting periods have expired as
provided in Northrop Grumman's agreement with Litton. Northrop Grumman said it
expects to further extend the tender offer next Friday, March 16, 2001, for an
additional five business days.

     At the close of business on March 8, 2001, approximately 40,190,000 shares
of Litton Industries common and Series B preferred stock had been validly
tendered and not withdrawn.

     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.

     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.

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