ASP ISOTOPES INC - Preliminary prospectus supplement

Preliminary prospectus supplement

ASP ISOTOPES INC.
(Incorporated in the State of Delaware,
United States of America)
(Delaware file number 6228898)
Ticker Symbol: NASDAQ: ASPI
ISIN: US00218A1051
LEI: 6488WHV94BZ496OZ3219
JSE Share Code: ISO
("ASPI" or "the Company")


PRELIMINARY PROSPECTUS SUPPLEMENT


Stockholders are referred to the announcement released on SENS this morning, wherein stockholders were
advised that a Form S-3 registration statement, which included a prospectus that covers the offering,
issuance and sale by ASPI of up to $250.0 million in the aggregate of its common stock, preferred stock,
debt securities, warrants, and/or units, in each case from time to time in one or more offerings, had been
filed with the U.S. Securities and Exchange Commission ("SEC").

Stockholders are hereby advised that, pursuant to Rule 424(b)(5) of the Securities Act of 1933, a preliminary
prospectus supplement has now been filed with the SEC.

A copy of the preliminary prospectus supplement can be found at:
https://www.sec.gov/Archives/edgar/data/1921865/000147793225007560/aspi_424b5.htm


15 October 2025


Sponsor
Valeo Capital Proprietary Limited

Date: 15-10-2025 01:45:00
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