601 13th St. NW, Suite 250 N, Washington, DC, 20005, 
601 13th St. NW, Suite 250 N, Washington, DC, 20005, 
701 Pennsylvania Avenue, NW, Suite 230, Washington, DC, 20004, 
701 Pennsylvania Avenue, NW, Suite 230, Washington, DC, 20004, 
601 13th St. NW, Suite 250 N, Washington, DC, 20005, 
601 13th St. NW, Suite 250 N, Washington, DC, 20005, 
1) ADVANCED MEDICAL TECHNOLOGY ASSOCIATION (ADVAMED)
2) AMERICAN DENTAL ASSOCIATION
3) AMERICAN HOSPITAL ASSOCIATION
4) AMGEN
6) BAXTER HEALTHCARE CORPORATION
7) BIOTECHNOLOGY INNOVATION ORGANIZATION (BIO)
8) CLEVELAND CLINIC FOUNDATION
10) CSL BEHRING LLC
11) FEDERAL EXPRESS CORPORATION
12) FLORIDA HOSPITAL ASSOCIATION
13) GENERAL DYNAMICS
601 13th St. NW, Suite 250 N, Washington, DC, 20005, 
701 Pennsylvania Avenue, NW, Suite 230, Washington, DC, 20004, 
601 13th St. NW, Suite 250 N, Washington, DC, 20005, 
701 Pennsylvania Avenue, NW, Suite 230, Washington, DC, 20004, 
5) CHARTER COMMUNICATIONS, INC.
9) ELLIOTT MANAGEMENT CORPORATION
10) ENBRIDGE ENERGY COMPANY, INC.
701 Pennsylvania Avenue, NW, Suite 230, Washington, DC, 20004,