1. This Form 3/A is being filed to revise the amount of securities beneficially owned by the reporting person.
/s/ Jennifer C. McGarey,
01/13/2020
Attorney-in-Fact
** Signature of Reporting Person
Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. * If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
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Northrop Grumman Corporation published this content on 13 January 2020 and is solely responsible for the information contained therein. Distributed by Public, unedited and unaltered, on 13 January 2020 23:37:01 UTC
Northrop Grumman Corporation is one of the American leaders of the design, manufacturing and marketing of defense systems and equipments. Net sales break down by family of products as follows:
- space systems (35.5%);
- mission systems (27.7%): radar, sensors, air traffic control systems, communications, surveillance, etc. The group also offers information and command systems;
- aeronautics systems (27.5%): autonomous and manned aircraft systems, space vehicles, surveillance and reconnaissance systems, command and control systems, etc.;
- defense systems (14.9%): weapons, combat management systems, missile systems, etc.
Net sales break down geographically as follows: the United States (87.5%), Europe (6.2%), Asia/Pacific (4%) and other (2.3%).
NORTHROP GRUMMAN CORPORATION 
