McKesson Corporation Fiscal 2003 Second Quarter Conference Call Scheduled for October 22, 2002.

Business Editors, Health/Medical Writers

SAN FRANCISCO--(BUSINESS WIRE)--Oct. 9, 2002

McKesson Corporation (NYSE:MCK) will release financial results for the second fiscal 2003 quarter ended September 30, on Tuesday, October 22, 2002. The company has scheduled a conference call for 12:00 PM Eastern Time (9:00 AM Pacific Time) during which John Hammergren, chairman and chief executive officer and Bill Graber, senior vice president and chief financial officer will review these results.

The toll-free dial-in number for individuals wishing to participate in the call is 800/779-3576. Those calling from outside the United States should call 712/257-2274. Larry Kurtz, vice president, investor relations, is the leader of the call, and the password to join the call is "McKesson."

A playback of the call will be available through October 25, 2002 by calling 800/925-0264. The dial-in number to the playback for international callers is 402/998-1633. The conference call will also be broadcast live over the Internet and can be accessed by all interested parties at www.mckesson.com.

McKesson Corporation is the leading provider of supply, information and care management products and services designed to reduce costs and improve quality across healthcare. McKesson solutions empower healthcare professionals with the tools they need to deliver care more effectively and efficiently. Founded in 1833, with annual revenues of more than US$50 billion, McKesson ranks as the 31st largest industrial company in the United States.