By legal form

Registered Limited Liability Partnership

3 entities

1. Balch & Bingham LLP

   549300NS3ZPN8DEV5P76United StatesBIRMINGHAMLapsed - not renewed

2. Cowin Investment Company, LLP

   549300JPFX7EAILXJX50United StatesBIRMINGHAMLapsed - not renewed

3. Radiation Oncology Partners, L.L.P.

   549300DOMFMLEEKFWB93United StatesMONTGOMERYLapsed - not renewed

By legal form