PE-Backed MediMedia Completes Sale VCA Antech

Publicly traded VCA Antech has completed its purchase of MediMedia Animal Health, a unit of MediMedia USA, for $146 million in cash. MediMedia Animal Health, known as Vetstreet, is a provider of online communications, professional education and marketing solutions to the veterinary community. MediMedia USA is a portfolio company of Vestar Capital Partners.

PRESS RELEASE
VCA Antech, Inc. (NASDAQ Global Select Market:WOOF) (“VCA Antech”), a leading animal healthcare company in the United States, and MediMedia USA, Inc. (“MediMedia”), a leading innovative specialty healthcare communications, publishing and medical education company, today announced that VCA Antech has completed the acquisition of MediMedia Animal Health, LLC (“Vetstreet”) from MediMedia. The transaction was originally announced on July 11, 2011.

Vetstreet, located in Yardley, Pennsylvania, is the nation’s largest provider of online communications, professional education and marketing solutions to the veterinary community and is a subsidiary of MediMedia, a portfolio company of Vestar Capital Partners V, L.P. and certain of its affiliates.

About VCA
VCA Antech, Inc. owns, operates and manages the largest networks of freestanding veterinary hospitals and veterinary-exclusive clinical laboratories in the country, and supplies diagnostic imaging equipment to the veterinary industry.

About MediMedia
MediMedia is an integrated content and marketing services provider focused on the healthcare and pharmaceutical industries. The Company operates in two principal divisions: Patient Education and Pharmaceutical Marketing. The Patient Education Group provides comprehensive health management programs and services and patient education content to key healthcare stakeholders, including employers, hospitals, health plans, physicians, patients and pharmaceutical companies. The Pharmaceutical Marketing Group provides a variety of marketing solutions for pharmaceutical companies designed to target physicians and patients. The Company is headquartered in Yardley, Pennsylvania.

About Vestar Capital Partners
Vestar is a leading international private equity firm specializing in management buyouts and growth capital investments with $7 billion in assets under management. The firm targets companies in the U.S. and Europe in five key industry sectors: consumer, diversified industries, healthcare, media/communication, and financial services. Vestar has been particularly active since 2006 with investments in the healthcare information services segment including its investment in MediMedia. Since the firm’s founding in 1988, the Vestar funds have completed more than 69 investments in companies with a total value of more than $30 billion. Vestar has operations in New York, Boston, Denver, Munich, and Paris.