Company: FEAV
Filing Date: 2025-03-18
Form Type: S-3
Source: 0001193125-25-056676
Chunk: 19

Company: 5E Advanced Materials, Inc.
Filing Date: 2025-03-18
Form: S-3
Chunk 19
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 or change the
information contained in this prospectus, including the identity of each Selling Stockholder and the number of shares of common stock registered on its behalf. The Selling Stockholders are not making any representation that any securities covered by
this prospectus will be offered for sale. The Selling Stockholders reserve the right to accept or reject, in whole or in part, any proposed sale of the securities. See “Plan of Distribution.” For purposes of the table below, we assume that
all of the securities covered by this prospectus will be sold.

We have determined beneficial ownership in accordance with the rules of
the SEC and the information is not necessarily indicative of beneficial ownership for any other purpose. Unless otherwise indicated below, to our knowledge, the persons and entities named in the table have sole voting and sole investment power with
respect to all securities that they beneficially own, subject to community property laws where applicable. Except as described in the footnotes to the following table, none of the persons and entities named in the table has held any position or
office or had any other material relationship with us or our affiliates during the three years prior to the date of this prospectus. The inclusion of any shares of common stock in these table does not constitute an admission of beneficial ownership
for the person named below.

17

Unless otherwise indicated, the address of each beneficial owner listed in the table below is c/o 5E Advanced Materials, Inc., 9329 Mariposa Road, Suite 210, Hesperia, CA 92344.

| Selling Stockholders                                                    |        | Shares of              
 Common Stock           
 Beneficially Owned (1) |            |     |            |     |      |   |        | Shares of    
 Common Stock 
 Registered   
 Hereby       |            |     |            | Shares of                
 Common Stock             
 Beneficially Owned After 
 Sale of All Shares of    
 Common Stock Offered     |         |     |   |
|                                                                         | Shares |                        |            |     | Percentage |     |      |   | Shares |              |            |     | Percentage |                          |         |     |   |
| BEP Special Situations IV LLC (2)                                       |        |                        | 10,313,695 |     |            |     | 49.6 | % |        |              | 10,313,695 |     |            |                          |       — |     | — |
| Ascend Global Investment Fund SPC for and on behalf of Strategic SP (3)