Form 8-K Current Report and Rule 425 Written Communication related to a Business Combination

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")

FORM 8-K CURRENT REPORT AND RULE 425 WRITTEN COMMUNICATION RELATED TO A BUSINESS COMBINATION

ASPI stockholders are advised that today, 8 August 2026, a Form 8-K has been filed with the U.S. Securities
and Exchange Commission, as well as a written communication related to a business combination
transaction pursuant to Rule 425 under the Securities Act.

Copies of the filings can be found at: aspi-8-K.htm and 425

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

6 August 2026

Sponsor
Valeo Capital Proprietary Limited

Date: 06-08-2026 04:02:00
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