Company: NOC
Filing Date: 2025-05-28
Form Type: 424B5
Source: 0001193125-25-129530
Chunk: 26

Company: NORTHROP GRUMMAN CORP /DE/
Filing Date: 2025-05-28
Form: 424B5
Chunk 26
---
 is not the U.S. dollar. Moreover, the effect of any applicable U.S. federal estate or gift, state, local or non-U.S.tax laws is not discussed. The following discussion is for informational purposes only and is not a substitute for careful tax planning and advice. Investors considering the purchase of notes should consult their own tax advisors with respect to the application of the U.S. federal income tax laws to their particular situations, as well as any tax consequences arising under the federal estate or gift tax laws or the laws of any state, local or non-U.S.taxing jurisdiction or under any applicable tax treaty. A U.S. holder is a beneficial owner of a note that is, for U.S. federal income tax purposes:

| • |     | an individual who is a citizen or a resident of the United States; |

| • |     | a corporation, or other entity taxable as a corporation for U.S. federal income tax purposes, created or 
 organized under the laws of the United States or any state thereof or the District of Columbia;          |

| • |     | an estate, the income of which is subject to U.S. federal income taxation regardless of its source; or |

| • |     | a trust, if (i) a court within the United States is able to exercise primary supervision over its                                                                                                                               
 administration and one or more U.S. persons have the authority to control all of its substantial decisions, or (ii) a valid election is in place under applicable Treasury regulations to treat such trust as a domestic trust. |

S-19

In the case of a beneficial owner of notes that is classified as a partnership for U.S. federal income tax purposes, the tax treatment of the notes to a partner of the partnership generally will depend upon the tax status of the partner and the activities of the partnership. If you are a partner of a partnership holding notes, you should consult your own tax advisors. A non-U.S.holder is a beneficial owner of a note that is, for U.S. federal income tax purposes, an individual, corporation, trust or estate that is not a U.S. holder. U.S. holders Payment of interest Stated interest on a note will be included in the gross income of a U.S. holder as ordinary income at the time the interest is accrued or received, in accordance with the holder’s method of accounting for U.S. federal income tax purposes. Sale, exchange, redemption, retirement or other taxable disposition of the notes Upon the sale, exchange, redemption