Northrop Grumman Corporation
                                                   Public Information
                                                   1840 Century Park East
                                                   Los Angeles, California
                                                   90067-2199
                                                   Telephone  310-553-6262
                                                   Fax  310-556-4561

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

EUROPEAN COMMISSION APPROVES NORTHROP GRUMMAN
- ---------------------------------------------
ACQUISITION OF LITTON INDUSTRIES INC.
- -------------------------------- ----

     LOS ANGELES -- March 23, 2001 -- Northrop Grumman Corporation
(NYSE: NOC) announced today that the European Commission has approved the
company's pending acquisition of Litton Industries Inc. (NYSE: LIT).

     On February 22, the company had provided the Commission with the necessary
filings related to the Litton transaction.  Northrop Grumman also said it
remains optimistic that the Hart-Scott-Rodino review will conclude within the
current review period, which expires at midnight E.S.T. on March 29, 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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                                                                         0301-53

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.