ASP Isotopes Inc. Announces Receipt of Regulatory Approvals for Acquisition of Renergen Limited (Form 8-K)

ASP Isotopes Inc. Announces Receipt of Regulatory Approvals for Acquisition of Renergen Limited

Positive progress in operations at Renergen's Virginia Gas Project with a production update expected at the end of January 2026

Washington, D.C., December 17, 2025 (GLOBE NEWSWIRE) -- ASP Isotopes Inc. NASDAQ: ASPI ("ASP Isotopes" or the "Company"), an advanced materials company dedicated to the development of technology and processes for the production of isotopes for use in multiple industries, today announced that all required regulatory approvals and clearances have been obtained for ASP Isotopes' proposed offer to acquire all of the issued ordinary shares of JSE-listed Renergen Limited ("Renergen"), pursuant to a scheme of arrangement under South African law pursuant to which Renergen shareholders will receive 0.09196 new ASP Isotopes shares for each Renergen share held on the record date (the "Scheme").

Accordingly, all remaining conditions precedent have been fulfilled or, where applicable, waived and the Scheme has become unconditional. Implementation of the Scheme will begin once the South African Takeover Regulation Panel issues the requisite compliance certificate, which is anticipated to be received on or about December 18, 2025. Upon receipt of the compliance certificate, ASP Isotopes and Renergen will publish the finalization announcement, containing the remaining salient dates and times for implementation of the Scheme.

Renergen is a public company incorporated under the laws of the Republic of South Africa, focused on production of liquefied helium (LHe) and liquefied natural gas (LNG) and is funded by the United States government given helium's strategic significance. The combination of Renergen and ASP Isotopes aims to create a global leader in the production of critical and strategically important materials, including electronic gases such as helium, various fluorinated products and isotopically enriched gases. The combination is expected to create a vertically and horizontally integrated supply chain with significant geographic and customer overlap with substantial synergies expected from 2026.

ASP Isotopes has been advised of positive progress in operations at Renergen's Virginia Gas Project and expects to provide a production update at the end of January 2026 following implementation of the Scheme.

About ASP Isotopes Inc.

ASP Isotopes Inc. is a development stage advanced materials company dedicated to the development of technology and processes to produce isotopes for use in multiple industries. The Company employs proprietary technology, the Aerodynamic Separation Process ("ASP technology"). The Company's initial focus is on producing and commercializing highly enriched isotopes for the healthcare and technology industries. The Company also plans to enrich isotopes for the nuclear energy sector using Quantum Enrichment technology that the Company is developing. The Company has isotope enrichment facilities in Pretoria, South Africa, dedicated to the enrichment of isotopes of elements with a low atomic mass (light isotopes).

There is a growing demand for isotopes such as Silicon-28, which will enable quantum computing, and Molybdenum-100, Molybdenum-98, Zinc-68, Ytterbium-176, and Nickel-64 for new, emerging healthcare applications, as well as Chlorine-37, Lithium-6, and Uranium-235 for green energy applications. We believe the ASP technology (Aerodynamic Separation Process) is ideal for enriching low and heavy atomic mass molecules. For more information, please visit www.aspisotopes.com.