Company: NOC
Filing Date: 2025-05-27
Form Type: 424B5
Source: 0001193125-25-126289
Chunk: 45

Company: NORTHROP GRUMMAN CORP /DE/
Filing Date: 2025-05-27
Form: 424B5
Chunk 45
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     | any mandatory or optional sinking fund or purchase fund or analogous provisions; |

| • |     | the denominations of the debt securities if other than $1,000 or multiples of $1,000; |

| • |     | the currency or currency units of principal, premium and interest payments if other than U.S. dollars; |

4

| • |     | any deletions from, changes in or additions to the events of default or the covenants specified in the indenture; |

| • |     | any trustees, authenticating or paying agents, transfer agents, registrars or other agents for the debt 
 securities;                                                                                             |

| • |     | whether the debt securities are subject to defeasance or covenant defeasance; |

| • |     | any conversion or exchange features of the debt securities; |

| • |     | whether we will issue the debt securities as original issue discount securities for federal income tax purposes; |

| • |     | any special tax implications of the debt securities; |

| • |     | whether the debt securities will be issued in whole or in part in temporary or permanent global form and, if so, 
 the initial depositary with respect to the global security;                                                      |

| • |     | the terms of payment upon acceleration; and |

| • |     | any other material terms of the debt securities. (Section 301) |

We may issue debt securities that are convertible into or exchangeable for our common stock. If we issue convertible or exchangeable debt securities, we will provide additional information in a prospectus supplement. We may sell debt securities at a discount below their stated principal amount, bearing no interest or interest at a rate that, at the time of issuance, is different than market rates. Ranking of Debt Securities The debt securities will be our senior unsecured obligations and will rank equally and ratably in right of payment with all of our other unsecured and non-subordinatedindebtedness. Denomination, Form, Payment and Transfer Normally, we will denominate and make payments on debt securities in U.S. dollars. If we issue debt securities denominated, or with payments, in a foreign or composite currency, the applicable prospectus supplement will specify the currency or composite currency. (Section 301) We may from time to time issue debt securities in certificated form. This means that holders will be entitled to receive certificates representing the debt securities registered in their name. You can transfer or exchange debt securities in certificated form