ASP ISOTOPES INC - Form 12b-25 Notification of inability to timely file Form 10Q

Form 12b-25 – Notification of inability to timely file Form 10Q

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 12B-25 – NOTIFICATION OF INABILITY TO TIMELY FILE FORM 10Q


ASPI stockholders are advised that on 15 May 2026, a Form 12b-25 has been filed with the U.S. Securities
and Exchange Commission.

A copy of the Form 12b-25 can be found at: NT 10-Q

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


18 May 2026


Sponsor
Valeo Capital Proprietary Limited

Date: 18-05-2026 09:09:00
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