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United States securities and exchange commission logo





                             February 7, 2024

       Paul Weibel
       Chief Financial Officer
       5E Advanced Materials, Inc.
       9329 Mariposa Road, Suite 210
       Hesperia, CA 92344

                                                        Re: 5E Advanced
Materials, Inc.
                                                            Form 10-K for the
Fiscal Year ended June 30, 2023
                                                            Filed August 30,
2023
                                                            File No. 001-41279

       Dear Paul Weibel:

              We have reviewed your February 2, 2024 response to our comment
letter and have the
       following comment.

              Please respond to this letter within ten business days by
providing the requested
       information or advise us as soon as possible when you will respond. If
you do not believe a
       comment applies to your facts and circumstances, please tell us why in
your response.

               After reviewing your response to this letter, we may have
additional comments. Unless
       we note otherwise, any references to prior comments are to comments in
our January 22, 2024
       letter.

       Form 10-K for the Fiscal Year ended June 30, 2023

       Business and Properties, page 6

   1.                                                   We note that you have
amended your annual report and filed an amended initial
                                                        assessment report in
response to prior comment one, to provide additional information
                                                        about the pricing
assumptions utilized in the economic analyses. For example, on page 23
                                                        of the annual report
you explain that a boric acid price of $1,726 per short ton was
                                                        assumed for the first
year of production and you refer to Sections 16 and 19.3.1 of the
                                                        amended initial
assessment report for details about that assumption.

                                                        However, the
disclosures in Section 19.3.1 of the amended initial assessment report
                                                        explain that the
qualified persons assumed boric acid pricing will increase from $1,726 in
                                                        2026 to $2,130 by 2030,
an annual increase of about 5.4% over four years, followed by an
                                                        annual increase of 3%
thereafter. Figures 19.11 and 19.12 of the amended initial
 Paul Weibel
5E Advanced Materials, Inc.
February 7, 2024
Page 2
      assessment report indicate the escalation assumptions culminate in a
price of $2,965 per
      short ton in 2040 for the fifteen year model, and $4,620 per short ton in
2055 for the thirty
      year model. Using simple averages, the assumptions for these two time
frames would be
      $2,346 and $3,173, which exceed the initial price that you have disclosed
by about 36%
      and 84%, for the fifteen and thirty year time frames.

      We believe that you would need to provide a complete description of the
mineral price
      assumptions used in the determination of your mineral resources, covering
the price
      escalations in terms of percentages, the ranges in dollars, and possibly
average prices for
      each of the fifteen and thirty year periods utilized in the economic
analyses, to comply
      with footnote 1 to Item 1304(d)(1) of Regulation S-K. Please also expand
your disclosure
      to summarize the nature of the underlying support for those assumptions.
       Please contact John Coleman at 202-551-3610 or Karl Hiller at
202-551-3686 if you have
questions regarding the comment.



                                                            Sincerely,
FirstName LastNamePaul Weibel
                                                            Division of
Corporation Finance
Comapany Name5E Advanced Materials, Inc.
                                                            Office of Energy &
Transportation
February 7, 2024 Page 2
cc:       Eric Johnson
FirstName LastName
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