McKesson Corporation Completes Acquisition of McQueary Bros. Drug Company

Business Wire, May 21, 2008

SAN FRANCISCO -- McKesson Corporation (NYSE:MCK) today announced that it has completed its acquisition of McQueary Bros. Drug Company, a Springfield, Missouri-based regional distributor of pharmaceutical, health, and beauty products to more than 400 independent pharmacies in Missouri, Arkansas, Illinois, Kansas, Oklahoma, Nebraska, and Iowa. As a result of this acquisition, McQueary has become a wholly owned subsidiary of McKesson.

About McKesson

McKesson Corporation, currently ranked 18th on the FORTUNE 500, is a healthcare services and information technology company dedicated to helping its customers deliver high-quality healthcare by reducing costs, streamlining processes, and improving the quality and safety of patient care. McKesson is the longest-operating company in healthcare today and in 2008 is marking 175 years of continuous operations. Over the course of its history, McKesson has grown by providing pharmaceutical and medical-surgical supply management across the spectrum of care; healthcare information technology for hospitals, physicians, homecare, and payors; hospital and retail pharmacy automation; and services for manufacturers and payors designed to improve outcomes for patients. For more information, visit us at www.mckesson.com.