Sigma-Aldrich to Present at the UBS Global Life Sciences Conference on Monday, September 21, 2009

ST. LOUIS, Sept. 15 /PRNewswire-FirstCall/ -- Sigma-Aldrich Corporation (Nasdaq: SIAL) will be presenting at the UBS Global Life Sciences Conference on Monday, September 21st at 8:30 AM Eastern Daylight Time 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.