Exhibit 21.1
SUBSIDIARIES OF THE REGISTRANT
| Subsidiary Name |
Subsidiary Jurisdiction | |
| Repligen Sweden AB |
Sweden | |
| Repligen GmbH |
Germany | |
| Repligen Singapore Pte. Ltd. |
Singapore | |
| Repligen Europe B.V. |
Netherlands | |
| Repligen (Shanghai) Biotechnology Co. Ltd. |
China | |
| Repligen Japan LLC |
Japan | |
| Repligen India Private Limited |
India | |
| Repligen Korea Co. Ltd. |
South Korea | |
| Spectrum Lifesciences, LLC |
United States | |
| C Technologies, Inc. |
United States | |