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
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NORTHROP GRUMMAN REFILES
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HART-SCOTT-RODINO NOTIFICATION
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     LOS ANGELES -- Feb. 27, 2001 -- Northrop Grumman Corporation (NYSE: NOC)
announced that it voluntarily withdrew and refiled its Hart-Scott-Rodino (HSR)
notification today with the appropriate government agencies to provide added
time to complete the review of the company's pending acquisition of Litton
Industries Inc. (NYSE: LIT). The company stated that it has had extensive
discussions with the regulatory authorities and still expects to complete the
tender offer for Litton shares by late March 2001.

     Northrop Grumman also said that it will extend the existing tender offer
for all outstanding Litton stock in increments of five business days or less
until the HSR and European Union waiting periods have expired as provided in its
agreement with Litton.  The first of these extensions is expected to occur on
Friday, March 2, 2001.

     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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                                                                         0201-34

     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.