SAN FRANCISCO--(BUSINESS WIRE)--April 18, 2005--McKesson Corporation (NYSE:MCK) will release financial results for the fourth quarter and fiscal year ended March 31, 2005 on Thursday, May 5, 2005 following the close of markets at approximately 4:00 PM Eastern Time (1:00 PM Pacific Time). The company has scheduled a conference call for 5:00 PM Eastern Time (2:00 PM Pacific Time), during which John Hammergren, chairman and chief executive officer and Jeff Campbell, executive vice president and chief financial officer, will review these results. The dial-in number for individuals wishing to participate in the call is 773/799-3901. Larry Kurtz, vice president, Investor Relations, is the leader of the call, and the password to join the call is “McKesson.”