1) ALEXION PHARMACEUTICALS, INC.

2) AMERICAN COLLEGE OF RADIOLOGY ASSOCIATION

3) AMERICAN INDEPENDENT MEDICAL PRACTICE ASSOCIATION

4) AMGEN USA, INC.

5) CITY OF BIRMINGHAM, ALABAMA

6) DIGESTIVE HEALTH PHYSICIANS ASSOCIATION

7) DIRECT SUPPLY, INC.

8) GENENTECH

9) GRAIL, INC.

10) INVIVYD

11) NATIONAL ASSOCIATION OF PROTON THERAPY

12) NORTHPORT HEALTH SERVICES

13) STRATHSPEY CROWN HOLDINGS, LLC

14) SUPERFILE, INC.

15) VIRPAX PHARMACEUTICALS