| N/A GRT BioEdge, LLC | Executive Officer | Boston, MA |
| N/A GRT Capital Partners, L.L.C. | Executive Officer | Boston, MA |
| N/A GRT BioEdge, LLC | Promoter | Boston, MA |
| N/A GRT Capital Partners, L.L.C. | Promoter | Boston, MA |
| -- SKK Ventures Manager, LLC | Executive Officer | Boston, MA |
| -- SKK Ventures Manager, LLC | Promoter | Boston, MA |
| -- Shepherd Kaplan Krochuk, LLC | Executive Officer | Boston, MA |
| -- Shepherd Kaplan Krochuk, LLC | Promoter | Boston, MA |
| Timothy A Krochuk | Executive Officer | Eagan, MN |
| SKK Ventures Manager, LLC | Executive Officer | Boston, MA |
| Gregory B Fraser | Executive Officer | Boston, MA |
| N/A A GRT Capital Partners, L.L.C. | Promoter | Boston, MA |
| N/A A GRT BioEdge, LLC | Promoter | Boston, MA |
| Rudolph K Kluiber | Executive Officer | Waltham, MA |