EXHIBIT 21.1
ASP Isotopes Inc.
Subsidiaries of the Registrant
| Subsidiaries* |
| Place of Incorporation |
| ASP Isotopes Guernsey Limited (formerly, PDS-Photonica Holdings (Guernsey) Limited) | Guernsey | |
| ASP Isotopes South Africa (Proprietary) Limited (formerly, PDS Photonica Holdings South Africa (PTY) Limited) | South Africa | |
| Enriched Energy LLC |
| Delaware, U.S. |
| ASP Isotopes UK Ltd |
| England & Wales |
| Enlightened Isotopes (Pty) Ltd |
| South Africa |
* Please note that this list includes all subsidiaries of ASP Isotopes Inc. without regard to whether they would constitute a "significant subsidiary" pursuant to Item 601(b)(21)(ii) of Regulation S-K.