Black Friday: 40% off Pro and Elite for your first 12 months with code BLACKFRIDAY40, until 23:59 SAST on Friday 27 November.Black Friday: 40% off Pro and Elite with BLACKFRIDAY40See plans →

Form 425 - Prospectuses and Communications, Business Combinations

Asp IsotopesISOOn SENS Friday 6 November 2026, 08:39 SAST

TakeoverNot material

In brief

Stockholders are advised that the company filed a Form 425 with the U.S. Securities and Exchange Commission on 5 November 2026.

The announcement

Form 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")

FORM 425 - PROSPECTUSES AND COMMUNICATIONS, BUSINESS COMBINATIONS

ASPI stockholders are advised that on 5 November 2026, a Form 425 has been filed with the U.S. Securities
and Exchange Commission.

A copy of the filing can be found at: asp_425.htm

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

6 November 2026

Sponsor
Valeo Capital Proprietary Limited
Date: 06/11/2026 08:39:00
Produced by the JSE SENS Department. The SENS service is an information dissemination service administered by the JSE Limited ('JSE').
The JSE does not, whether expressly, tacitly or implicitly, represent, warrant or in any way guarantee the truth, accuracy or completeness of
the information published on SENS. The JSE, their officers, employees and agents accept no liability for (or in respect of) any direct,
indirect, incidental or consequential loss or damage of any kind or nature, howsoever arising, from the use of SENS or the use of, or reliance on,
information disseminated through SENS.

Published by the company through the JSE’s Stock Exchange News Service. The type, the Material marker and the summary are TradeIntel’s own reading, written by software from the announcement, and can be wrong: the announcement itself is the record.General information only. TradeIntel is not a registered financial services provider.