ASP ISOTOPES INC - Availability of Annual Report on Form 10-K for the Year Ended 31 December 2025

Availability of Annual Report on Form 10-K for the Year Ended 31 December 2025

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")

AVAILABILITY OF ANNUAL REPORT ON FORM 10-K FOR THE YEAR ENDED 31 DECEMBER 2025

Shareholders are advised that ASPI's annual report on Form 10-K containing the audited U.S. GAAP annual
financial statements for the year ended 31 December 2025 ("AFS") has been filed with the Securities and
Exchange Commission on 10 April 2026, a copy of which is available at Inline Viewer: ASP Isotopes Inc.
10-K 2025-12-31.

The AFS is also available on the Company's website at https://ir.aspisotopes.com/financial-information and
on the JSE cloudlink at https://senspdf.jse.co.za/documents/2026/JSE/ISSE/ISOE/FY2025.pdf

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

13 April 2026

Sponsor
Valeo Capital Proprietary Limited

Date: 13-04-2026 07:05:00
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