ASP ISOTOPES INC - 425 - Prospectuses and Communications, Business Combinations

425 - Prospectuses and Communications, Business Combinations

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")

425 - PROSPECTUSES AND COMMUNICATIONS, BUSINESS COMBINATIONS

ASPI stockholders are advised that the Form 8-K filing of 25 June 2026 is intended to simultaneously satisfy
the filing obligation of the registrant under Written communications pursuant to Rule 425 under the
Securities Act (17 CFR 230.425).

A copy of the Form 8-K filing can be found at: aspi_425.htm

The Company has a primary listing on the Nasdaq and a secondary listing on the Main Board of the JSE.

26 June 2026

Sponsor
Valeo Capital Proprietary Limited

Date: 26-06-2026 09:32:00
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