Type	Name	Date
Underwriting agreement	Underwriting Agreement, among Northrop Grumman Corporation and Wells Fargo Securities, LLC, J.P. Morgan Securities LLC and Mizuho Securities USA LLC, as representatives of the several underwriters named therein	02/08/2023
Credit agreement	Credit Agreement, among Northrop Grumman Corporation, as borrower, Northrop Grumman Systems Corporation, as guarantor, the lenders party thereto and JPMorgan Chase Bank, N.A., as administrative agent	08/23/2022
Credit agreement	Credit Agreement, among Northrop Grumman Corporation, as borrower, Northrop Grumman Systems Corporation, as guarantor, the lenders party thereto and JPMorgan Chase Bank, N.A., as administrative agent	08/23/2022
Underwriting agreement	Underwriting Agreement, among Northrop Grumman Corporation and J.P. Morgan Securities LLC, BofA Securities, Inc. and Citigroup Global Markets Inc., as representatives of the several underwriters named therein	03/24/2020
Credit agreement	Credit Agreement, among Northrop Grumman Corporation, as borrower, Northrop Grumman Systems Corporation, as guarantor, the lenders party thereto and JPMorgan Chase Bank, N.A., as administrative agent	08/17/2018
Underwriting agreement	Underwriting Agreement, among Northrop Grumman Corporation and Goldman, Sachs & Co. and J.P. Morgan Securities LLC, as representatives of the several underwriters named therein	12/01/2016
Credit agreement	Amended and Restated Credit Agreement, among Northrop Grumman Corporation, as borrower, Northrop Grumman Systems Corporation, as guarantor, the lenders party thereto and JPMorgan Chase Bank, N.A., as administrative agent	07/09/2015
Underwriting agreement	Underwriting Agreement, among Northrop Grumman Corporation and Deutsche Bank Securities Inc. and J.P. Morgan Securities LLC, as representatives of the several underwriters named therein	02/06/2015
Credit agreement	Credit Agreement, among Northrop Grumman Corporation, as Borrower; Northrop Grumman Systems Corporation, as Guarantor; the Lenders party thereto; JPMorgan Chase Bank, N.A., as Administrative Agent; an Issuing Bank and a Swingline Lender, and The Royal Bank of Scotland plc, Citibank, N.A., and Wells Fargo Bank, National Association, as Issuing Banks and Syndication Agents	08/30/2013
Credit agreement	364-Day Credit Agreement, among Northrop Grumman Corporation, as Borrower; Northrop Grumman Systems Corporation, as Guarantor; the Lenders party thereto; JPMorgan Chase Bank, N.A., as Administrative Agent; and Citibank, N.A., The Royal Bank of Scotland plc and Wells Fargo Bank, National Association, as Syndication Agents	09/07/2012
Credit agreement	Second Amended and Restated Credit Agreement, among Northrop Grumman Corporation, as Borrower; Northrop Grumman Systems Corporation, as Guarantor; the Lenders party thereto; JPMorgan Chase Bank, N.A., as Administrative Agent, an Issuing Bank and a Swingline Lender; and Citibank, N.A., The Royal Bank of Scotland plc and Wells Fargo Bank, National Association, as Syndication Agents	09/13/2011
Credit agreement	364-Day Credit Agreement, among Northrop Grumman Corporation, as Borrower; Northrop Grumman Systems Corporation, as Guarantor; the Lenders party thereto; JPMorgan Chase Bank, N.A., as Administrative Agent; and Citibank, N.A., The Royal Bank of Scotland plc and Wells Fargo Bank, National Association, as Syndication Agents	09/13/2011

Type	Name	Date
By-Laws	Amended and Restated Bylaws	02/22/2010

Type	Name	Date
Merger agreement	Agreement and Plan of Merger, among Northrop Grumman Corporation, Neptune Merger, Inc. and Orbital ATK, Inc	09/18/2017