Company: NOC
Filing Date: 2025-05-28
Form Type: 424B5
Source: 0001193125-25-129530
Chunk: 52

Company: NORTHROP GRUMMAN CORP /DE/
Filing Date: 2025-05-28
Form: 424B5
Chunk 52
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 all of the assets of the entity;   |

| • |     | liens in favor of any governmental customer to secure payments or performance pursuant to any contract or                                          
 statute, or to secure indebtedness we incur or guarantee with respect to the acquisition or construction of the property subject to the liens; and |

| • |     | any renewal, extension or replacement for any lien permitted by one of the exceptions described above. (Section 
 1009)                                                                                                           |

Limitations on Sale Leaseback Arrangements. The indenture also restricts our ability and the ability of any of our restricted subsidiaries to enter into sale-leaseback transactions with respect to any principal property. A sale-leaseback transaction is permitted if we or the restricted subsidiary would be permitted to incur indebtedness secured by the principal property at least equal in amount to the attributable debt with respect to the transaction, or the greater of the net proceeds of the sale or the attributable debt with respect to the transaction is used to prepay our long-term debt or the long-term debt of any restricted subsidiary (other than debt owed to us or another restricted subsidiary). Sale-leaseback transaction means, subject to some exceptions, an arrangement pursuant to which we, or a restricted subsidiary, transfers a principal property to a person and leases it back from 8

that person. Attributable debt for a sale-leaseback transaction means the lesser of the fair market value of the property, as determined by our board of directors, or the present value of the obligation of the lessee for net rental payments during the remaining term of the lease. (Section 1010) The indenture will not otherwise limit our ability to incur additional debt, except as otherwise described in a prospectus supplement. Certain Other Covenants The indenture contains certain other covenants, including among other things, maintenance of corporate existence and other properties and payment of taxes. Consolidation, Merger or Sale Under the indenture, we may not consolidate with or merge into another entity, transfer our assets substantially as an entirety to another entity, permit any entity to consolidate with or merge into us, or acquire the assets substantially as an entirety of another entity, unless:

| • |     | the successor entity is a U.S. entity that is a corporation, limited liability company, partnership or trust and 
 assumes all of our obligations, as applicable, under the outstanding debt securities and the indenture;          |

| • |     | immediately following the transaction, no event of default and no event