Company: NOC
Filing Date: 2025-04-04
Form Type: DEF 14A
Source: 0001133421-25-000016
Chunk: 87

Company: NORTHROP GRUMMAN CORP /DE/
Filing Date: 2025-04-04
Form: DEF 14A
Chunk 87
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 accordance with the shareholder’s instructions. If no instructions are given, the shares will be voted according to the recommendations of the Board. Registered shareholders may go to www.proxyvote.com to view this Proxy Statement and the Annual Report.

#### 2025 Proxy Statement99

#### Questions and Answers About the Annual Meeting
| BY INTERNET               |     | Registered shareholders may vote on the internet, as well as view the documents, by logging on towww.proxyvote.comand following the instructions given. You will need the control number included in your proxy card, voting instruction form or Notice.                                                                                        |
| BY TELEPHONE              |     | Registered shareholders may vote by calling 800-690-6903 (toll-free) with a touch-tone telephone and following the recorded instructions. You will need the control number included in your proxy card, voting instruction form or Notice.                                                                                                      |
| BY QR CODE                |     | Registered shareholders may vote by scanning the QR code on their proxy card or Notice with their mobile device.                                                                                                                                                                                                                                |
| BY MAIL                   |     | Registered shareholders must request a paper copy of the proxy materials to receive a proxy card and may vote by marking the voting instructions on the proxy card and following the instructions given for mailing. A paper copy of the proxy materials may be obtained by logging on towww.proxyvote.comand following the instructions given. |
| DURING THE ANNUAL MEETING |     | Registered shareholders may vote during the Annual Meeting online atwww.virtualshareholdermeeting.com/NOC2025. If you have already voted online, by telephone, by QR code or by mail, your vote during the Annual Meeting will supersede your earlier vote.                                                                                     |

If any other matters are properly brought before the Annual Meeting, the proxy card gives discretionary authority to the proxyholders named on the card to vote the shares in their best judgment. A shareholder who executes a proxy may revoke it at any time before its exercise by delivering a written notice of revocation to the Corporate Secretary or by delivering a valid, later-dated proxy, or a later-dated vote by telephone or on the internet, in a timely manner. In addition, a shareholder attending the Annual Meeting may revoke the proxy by voting during the meeting.

How do I vote my shares if they are held by a bank, broker or other nominee?

If your shares are held in a stock brokerage account or by a bank or other nominee (that is, in street name), you are considered the “beneficial owner” of the shares that are registered in