| Subsidiary | Jurisdiction of Incorporation | ||||
| Centessa Pharmaceuticals (UK) Limited | England and Wales | ||||
ApcinteX Limited | England and Wales | ||||
Z Factor Limited | England and Wales | ||||
| Centessa Pharmaceuticals Holdings Inc. | Delaware | ||||
Centessa Biosciences, Inc. | Delaware | ||||
Centessa Pharmaceuticals, LLC. | Delaware | ||||