Medco Health Solutions, Inc. (Medco) is a healthcare company. Medco provides clinically driven pharmacy services for private and public employers, health plans, labor unions and government agencies of all sizes, and for individuals served by Medicare Part D Prescription Drug Plans. Its Medco Therapeutic Resource Centers conduct therapy management programs using Medco Specialist Pharmacists, as well as Accredo Health Group. In addition, Medco has capabilities in post-approval safety and economics outcomes research, such as Risk Evaluation and Mitigation Strategies for biotechnology and other pharmaceutical drugs through its subsidiary, United BioSource Corporation (UBC). During the year ended December31, 2011, it administered 757 million prescriptions or 981 million adjusted prescriptions. The Company operates in two segments: Pharmacy Benefit Management and Specialty Pharmacy. On September 26, 2011, the Company acquired 50% in the Medco Celesio B.V. joint venture from Celesio AG.