Name of Subsidiary | State or Other Jurisdiction of Incorporation or Organization | |||||||||||||
| Checkmate Pharmaceuticals, Inc. | Delaware | |||||||||||||
| Decibel Therapeutics, Inc. | Delaware | |||||||||||||
| Eastside Campus Holdings LLC | New York | |||||||||||||
| Loop Road Holdings LLC | New York | |||||||||||||
| Old Saw Mill Holdings LLC | New York | |||||||||||||
| OSMR Holdings | Bermuda | |||||||||||||
Oxular Acquisitions Limited | United Kingdom | |||||||||||||
Oxular Inc. | Delaware | |||||||||||||
Oxular Limited | United Kingdom | |||||||||||||
| Regeneron Assurance, Inc. | New York | |||||||||||||
| Regeneron Atlantic Holdings | Bermuda | |||||||||||||
Regeneron Austria GmbH | Austria | |||||||||||||
Regeneron Belgium SRL | Belgium | |||||||||||||
| Regeneron Canada Company | Canada | |||||||||||||
| Regeneron France SAS | France | |||||||||||||
| Regeneron Genetics Center LLC | Delaware | |||||||||||||
| Regeneron GmbH | Germany | |||||||||||||
| Regeneron Healthcare Solutions, Inc. | New York | |||||||||||||
| Regeneron India Private Limited | India | |||||||||||||
| Regeneron International Holdings LLC | Delaware | |||||||||||||
| Regeneron Ireland Designated Activity Company | Ireland | |||||||||||||
| Regeneron Italy S.r.l. | Italy | |||||||||||||
| Regeneron Japan KK | Japan | |||||||||||||
| Regeneron NL B.V. | The Netherlands | |||||||||||||
| Regeneron Spain, S.L.U. | Spain | |||||||||||||
| Regeneron Switzerland GmbH | Switzerland | |||||||||||||
| Regeneron UK Limited | United Kingdom | |||||||||||||
Regeneron Ventures, L.P.* | Delaware | |||||||||||||
| Rock County Holdings LLC | New York | |||||||||||||
| Rockwood Road Holdings LLC | New York | |||||||||||||
RV Holding Corp. | Delaware | |||||||||||||
| _____________ | ||||||||||||||
* The sole limited partner of Regeneron Ventures, L.P. is RV Holding Corp., which is wholly owned by Regeneron Pharmaceuticals, Inc. The general partner of Regeneron Ventures, L.P. is a third-party investment manager. | ||||||||||||||