Name

Jurisdiction of Incorporation

Excelsior Life Sciences Ireland Limited

Ireland

Molecular Insight Pharmaceuticals, Inc.

Delaware

Molecular Insight Limited*

England and Wales

Progenics Life Sciences Limited

England and Wales

Progenics Pharmaceuticals Nevada, Inc.

Nevada

PSMA Development Company LLC

Delaware

EXINI Diagnostics AB

Sweden

MNTX Royalties Sub LLC

Delaware

* Subsidiary of Molecular Insight Pharmaceuticals, Inc.