ST. LOUIS, April 28 /PRNewswire-FirstCall/ -- Sigma-Aldrich Corporation will be presenting at the Bank of America Merrill Lynch Health Care Conference on Wednesday, May 12th at 3:40 PM EDT in New York, NY. Interested parties may listen via live audio broadcast over the Internet available at http://investor.sigmaaldrich.com/. Users can click the “Webcast” icon to access this file.
