WHITEHOUSE STATION, N.J.--(BUSINESS WIRE)--Merck (NYSE: MRK), known as MSD outside the United States and Canada, announced today that Alex Kelly, senior vice president, investor relations, is scheduled to present at the Bank of America Merrill Lynch 2012 Healthcare Conference in Las Vegas, on May 17 at 11:40 a.m. EDT. Investors, analysts, members of the media and the general public are invited to listen to a live audio webcast of the presentation at: http://www.merck.com/investors/events-and-presentations/home.html.