ST. LOUIS, Nov. 24 /PRNewswire-FirstCall/ -- Sigma-Aldrich Corporation will be presenting at the NASDAQ OMX conference on Tuesday, December 1st at 1:45 PM GMT in London, 7:45 AM US/CST. 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.
Photo: http://www.newscom.com/cgi-bin/prnh/20050215/CGSIGMAALLOGO
AP Archive: http://photoarchive.ap.org
PRN Photo Desk, photodesk@prnewswire.comSigma-Aldrich Corporation
