Company: FEAV
Filing Date: 2025-03-18
Form Type: S-3
Source: 0001193125-25-056676
Chunk: 7

Company: 5E Advanced Materials, Inc.
Filing Date: 2025-03-18
Form: S-3
Chunk 7
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 mineable part of a measured mineral resource and can only result from conversion of a measured mineral resource.                                                                                                                |

The Company released an amended and restated technical report as an exhibit to Amendment No. 2 to its Annual Report on Form 10-K/Afiled with the SEC on February 2, 2024, which has a revised report date of February 2, 2024, a report date of May 11, 2023, and a report effective date of April 1, 2023 (the “Amended Initial Assessment Report”). The purpose of the Amended Initial Assessment Report is to support the disclosure of mineral resource estimates for the Fort Cady Project. The Amended Initial Assessment Report was prepared in accordance with the SEC’s Mining Disclosure Rules and Regulation S-KSubpart 1300 and Item 601(b)(96) (technical report summary). The Amended Initial Assessment Report is discussed in Business and Properties and incorporated by reference as Exhibit 96.1 to this registration statement. UNLESS OTHERWISE EXPRESSLY STATED, NOTHING CONTAINED IN THIS PROSPECTUS IS, NOR DOES IT PURPORT TO BE, A TECHNICAL REPORT SUMMARY PREPARED BY A QUALIFIED PERSON PURSUANT TO AND IN ACCORDANCE WITH THE REQUIREMENTS OF SUBPART 1300 OF SECURITIES EXCHANGE COMMISSION REGULATION S-K. 5

CAUTIONARY NOTE REGARDING EXPLORATION STAGE COMPANIES

We are an exploration stage company and do not currently have any known mineral reserves and cannot expect to have known mineral reserves
unless and until an appropriate technical and economic study is completed for Fort Cady or any of our other properties that shows Proven or Probable Mineral Reserves as defined by Regulation S-K 1300. We
currently do not have any Proven or Probable Mineral Reserves. There can be no assurance that Fort Cady or any of our other properties contains or will contain any such SEC-compliant Proven or Probable Mineral
Reserves or that, even if such reserves are found, the quantities of any such reserves warrant continued operations or that we will be successful in economically recovering them.

CAUTIONARY NOTE REGARDING INDUSTRY AND MARKET DATA

This prospectus includes or incorporates by reference, and any applicable prospectus supplement or free writing prospectus may contain and
incorporate by reference, information concerning our industry and the markets in which we will operate that is based on information from various sources including public filings, internal