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| Subsidiary | | Jurisdiction of Incorporation |
| Barinthus Biotherapeutics Pty Limited (formerly Vaccitech Australia Pty Limited) | | Australia |
| Vaccitech Oncology Limited | | England and Wales |
| Barinthus Biotherapeutics (UK) Limited (formerly Vaccitech (UK) Limited) | | England and Wales |
| Barinthus Biotherapeutics North America, Inc. (formerly Vaccitech North America, Inc.) | | Delaware |
| Barinthus Biotherapeutics Italia S.R.L. (formerly Vaccitech Italia S.R.L.) | | Italy |
| Barinthus Biotherapeutics Switzerland GmbH (formerly Vaccitech Switzerland GmbH) | | Switzerland |