Company: BA
Filing Date: 2025-03-07
Form Type: DEFA14A
Source: 0001193125-25-049924
Chunk: 0

Company: BOEING CO
Filing Date: 2025-03-07
Form: DEFA14A
Chunk 0
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UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒Filed by a Party other than the Registrant ☐ Check the appropriate box:

| ☐ | Preliminary Proxy Statement |

| ☐ | Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) |

| ☐ | Definitive Proxy Statement |

| ☒ | Definitive Additional Materials |

| ☐ | Soliciting Material Pursuant to §240.14a-12 |

THE BOEING COMPANY (Name of registrant as specified in its charter) (Name of Person(s) Filing Proxy Statement, if other than the Registrant) Payment of Filing Fee (Check the appropriate box):

| ☒ | No fee required |

| ☐ | Fee paid previously with preliminary materials. |

| ☐ | Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11 |

| THE BOEING COMPANY          
 929 LONG BRIDGE DRIVE       
 ARLINGTON, VA 22202         |     | Your Vote Counts!                                   
 THE BOEING                                          
 COMPANY   2025                                      
 Annual Meeting  Vote by April 23, 2025 11:59 PM ET. |
|:----------------------------|:----|:----------------------------------------------------|
| V61671-P22479-Z89080-Z89081 |     |                                                     |

You invested in THE BOEING COMPANY and it’s time to vote! You have the right to vote on proposals being presented at the Annual Meeting of Shareholders. This is an important notice r ega r ding the availability of p r oxy materials for the sha r eholder meeting to be held on April 24, 2025. Get informed before you vote View the Notice of The Boeing Company’s 2025 Annual Meeting of Shareholders, Proxy Statement and the 2024 Annual Report online OR you can receive a free paper or email copy of the material(s) by requesting prior to April 10, 2025. If you would like to request a copy of the material(s) for this and/or future shareholder meetings, you may (1) visit www.ProxyVote.com, (2) call 1-