John Hammergren Announces Retirement; Brian Tyler to Become McKesson’s CEO and Edward Mueller to Chair Board - Seite 3

Tyler earned his Ph.D. and M.A. from the University of Chicago, Department of Economics in 1994, where he studied under a grant from the National Science Foundation, and earned his B.A. in economics with high honors from the University of California Santa Cruz in 1989. Prior to joining McKesson, he spent three years at Integral, Inc. as a senior associate, Health Care Consulting in Cambridge, MA.

Ed Mueller to be new Chairman of the Board

Mueller, currently lead independent director on McKesson’s Board of Directors, will provide strong leadership continuity for McKesson as chairman of the company’s Board of Directors. He has been a director of McKesson since April 2008 and has served as the lead independent director since July 2013.

“Ed Mueller will be a terrific chairman of our Board of Directors,” said Hammergren. “During his 10 years of service on our Board, Ed has developed a deep knowledge of McKesson and our industry. He has the respect of our board, McKesson’s leaders and our investors.”

Mueller held the position of chairman and chief executive officer of Qwest Communications from August 2007 to April 2011. He has also served as chief executive officer of Williams-Sonoma, Inc. and Ameritech Corporation, a subsidiary of SBC Communications. He was formerly a director of The Clorox Company, CenturyLink, Inc., Williams-Sonoma, Inc. and VeriSign, Inc.

The entire Board will work closely with Hammergren, Tyler and Mueller over the coming months to ensure a smooth transition. Hammergren will remain chairman of the Board for Change Healthcare and will continue to support McKesson in an advisory capacity after his retirement.

About McKesson Corporation

McKesson Corporation, currently ranked 6^th on the FORTUNE 500, is a global leader in healthcare supply chain management solutions, retail pharmacy, community oncology and specialty care, and healthcare information technology. McKesson partners with pharmaceutical manufacturers, providers, pharmacies, governments and other organizations in healthcare to help provide the right medicines, medical products and healthcare services to the right patients at the right time, safely and cost-effectively. United by our ICARE shared principles, our employees work every day to innovate and deliver opportunities that make our customers and partners more successful — all for the better health of patients. McKesson has been named the “Most Admired Company” in the healthcare wholesaler category by FORTUNE, a “Best Place to Work” by the Human Rights Campaign Foundation, and a top military-friendly company by Military Friendly. For more information, visit www.mckesson.com.