DEFA14A 1 lmt-defa14amaterials2025.htm DEFA14A
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 14A
Proxy Statement Pursuant to Section 14(a) of the
Securities Exchange Act of 1934
(Amendment No. )

| ☑ |  | 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 under § 240.14a-12

Lockheed Martin Corporation
(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 all boxes that apply):
| ☑ |  | 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

Email to Employee Plan Participants (to be sent 04/01/2025)
Email subject:
Lockheed Martin 2025 Annual Meeting – Please Vote Your Shares
Important Notice Regarding the Availability of Proxy Materials for the Lockheed Martin Corporation Stockholder Meeting to be Held on May 9, 2025.
You are receiving this email because you own shares of Lockheed Martin Corporation in your Lockheed Martin Corporation savings plan.
You may now conveniently access Lockheed Martin’s annual report and proxy statement and vote online for Lockheed Martin’s Annual Stockholder Meeting at www.investorvote.com/LMT. We encourage you to access and review all of the important information contained in the proxy materials before voting.
How to Vote:
Online: Go to: www.investorvote.com/LMT, enter the Proxy Login Control Number below (without any spaces) and follow the on-screen instructions.
By Phone: Call 1-800-652-VOTE (8683) or 1-781-575-2300 and following the prompts (you must have your Proxy Login Control Number below available).
Proxy Login Control Number: [[SingleControlNumber]]
Voting deadline: Tuesday, May 6, 2025, at 11:59 p.m. Eastern Daylight Time
To obtain a hard copy of the proxy materials (free of charge) call 1-866-641-4276.
Please note: you may receive multiple proxy packages and voting instructions (electronically and/or by mail). These materials may not be duplicates as you may hold shares of Lockheed Martin stock in multiple accounts. Please be sure to vote all of your shares in each of your accounts in accordance with the directions on the proxy card(s) and/or voting instruction form(s) you receive.
Your vote matters – please cast your vote today.
Computershare Trust Company, N.A.
Independent Registrar and Transfer Agent for Lockheed Martin Corporation

[[company_logo]] Lockheed Martin Corporation Annual Meeting of Stockholders May 9, 2025 at 9:00 a.m. Eastern Daylight Time Control Number:[[SingleControlNumber]] To: [[Registration]] Lockheed Martin Corporation’s 2025 Annual Meeting Materials including the 2024 Annual Report and 2025 Proxy Statement are now available online. You may also vote your shares online for the Annual Meeting of Stockholders. To view the Proxy Statement and Annual Report visit: www.edocumentview.com/LMT To cast your vote, please visit www.investorvote.com/LMT and follow the on-screen instructions. You will be prompted to enter the Proxy Login Control Number above in this e-mail to access this voting site. You may also vote your shares by telephone by calling (800) 652-8683 within the U.S. and Canada and (781) 575-2300 from other countries. Follow the instructions provided by the recorded message. Thank you for submitting your very important vote. Questions? For additional assistance regarding your account please visit www.computershare.com/ContactUs where you will find useful FAQs, phone numbers and our secure online contact form. Please do not reply to this email. This mailbox is not monitored and you will not receive a response.