Company: FEAV
Filing Date: 2025-02-03
Form Type: DEF 14A
Source: 0000950170-25-012391
Chunk: 0

Company: 5E Advanced Materials, Inc.
Filing Date: 2025-02-03
Form: DEF 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☐

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 March 4, 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 March 4, 2025, at 1:00 p.m. Pacific time (being 8:00 a.m. AEDT on March 5, 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