Company: FEAV
Filing Date: 2025-01-24
Form Type: PRE 14A
Source: 0000950170-25-008828
Chunk: 0

Company: 5E Advanced Materials, Inc.
Filing Date: 2025-01-24
Form: PRE 14A
Chunk 0
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<div align='center'>UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

(RULE 14a-101)

INFORMATION REQUIRED IN PROXY STATEMENT

SCHEDULE 14A INFORMATION

Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934</div>

Filed by the Registrant ☒

Filed by a Party other than the Registrant☐

for

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

<div align='center'>5E ADVANCED MATERIALS, INC.

(Name of Registrant as Specified In Its Charter)

N/A

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)</div>

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

### NOTICE OF SPECIAL MEETING OF STOCKHOLDERS
<div align='center'>To be held on , 2025</div>

Dear Fellow Stockholders:

On behalf of our Board of Directors (the “Board of Directors”) and management, I am pleased to invite you to the Special Meeting of Stockholders (the “Special Meeting”) of 5E Advanced Materials, Inc. (“5E,” “we,” or the “Company”), which will be held on , 2025, at Pacific time (being AEDT on , 2025). To increase access for all of our stockholders, the Special Meeting will be online and a completely virtual meeting of stockholders. You may attend, vote, and submit questions during the Special Meeting via the live webcast on the Internet at meetnow.global/MLYYWP9. You will not be able to attend the Special Meeting in person, nor will there be any physical location.

We are holding the Special Meeting in connection with a proposed restructuring and recapitalization of our outstanding senior secured convertible promissory notes (the “Notes”), which, among other things, will result in all