| | | | | |
| NAME OF SUBSIDIARY | JURISDICTION OF INCORPORATION |
| | |
| U.S. Subsidiaries | |
| Surgalign Spine Technologies, Inc. | Delaware |
| Regeneration Technologies, Inc.—Cardiovascular | Alabama |
| RTI Services, Inc. | Delaware |
| Tutogen Medical, Inc. | Florida |
| Pioneer Surgical Technology, Inc. | Michigan |
| Angstrom Acquisition Corp. II | Delaware |
| Pioneer Surgical Orthobiologics, Inc. | Delaware |
| Zyga Technology, Inc. | Delaware |
| Paradigm Spine LLC | Delaware |
| Andi’s Belmarall, LLC | Delaware |
| Fourth Dimension Spine, LLC | Delaware |
| Holo Surgical Inc. | Delaware |
| HoloSurgical Technology Inc. | Delaware |
| Inteneural Networks Inc. | Delaware |
| Foreign Subsidiaries | |
| Paradigm Spine GmbH | Germany |
| Fourth Dimension Spine GmbH | Germany |
| Paradigm Spine Austria GmbH | Austria |
| Paradigm Spine Switzerland AG | Switzerland |
| RTI Surgical Holdings Luxembourg S.a.r.l | Luxembourg |
| Pioneer Surgical Technology B.V | Netherlands |
| RTI Surgical GmbH | Germany |
| RTI Surgical Australia Pty. Limited | Australia |
| RTI Surgical—Singapore Pte Ltd | Singapore |
| Surgalign UK Limited | United Kingdom |
| Surgalign Spain SL | Spain |
| HoloSurgical Technology Polska sp. Zoo | Poland |
| Inteneural Networks Polska sp. Zoo | Poland |