SAN FRANCISCO--(BUSINESS WIRE)--McKesson Corporation (NYSE:MCK) today announced that Jeff Campbell, executive vice president and chief financial officer, will present at the Bank of America Merrill Lynch Health Care Conference in Las Vegas at 1:40 p.m. PT on Tuesday, May 15, 2012. Audio webcasts with accompanying slides will be available live and archived on the company’s Investor Relations website at www.mckesson.com/investors. A complete listing of upcoming events for the investment community is available on the company’s Investor Relations website.