TysabriDirect is a DBA of Integrated Commercialization Solutions, LLC. (ICS).

TysabriDirect distributes TYSABRI^® (natalizumab), which is manufactured by Biogen.

For more information about TYSABRI, please see www.tysabri.com. For more information about Biogen, please see www.biogen.com.

ICS is a subsidiary of AmerisourceBergen Specialty Group, Inc. For more information about ICS and AmerisourceBergen Specialty Group, Inc., please see www.icsconnect.com and www.absg.com.