Sigma-Aldrich Announces Q2 2013 Earnings Conference Call

           Sigma-Aldrich Announces Q2 2013 Earnings Conference Call

PR Newswire

ST. LOUIS, July 9, 2013

ST. LOUIS, July 9, 2013 /PRNewswire/ -- Sigma-Aldrich Corporation
(Nasdaq:SIAL) will hold its quarterly conference call to discuss second
quarter 2013 financial results on Tuesday, July 23, 2013, at 11:00 AM EDT.

Conference call details:
Date: July 23, 2013
Time: 11:00 AM EDT
Conference ID#: 45732738

Listen and view the presentation slides via the Internet at
http://investor.sigmaaldrich.com/ or call one of the following numbers for
audio only:
Domestic: (877) 266-0483
International: (707) 287-9342

A replay of the call will be available from 7/23/2013 to 7/30/2013. For the
replay, please call (855) 859-2056 (Domestic) or (404) 537-3406
(International) and use Conference ID# 45732738 or go to
http://investor.sigmaaldrich.com/ under "Presentations & Events."

About Sigma-Aldrich: Sigma-Aldrich is a leading Life Science and High
Technology company. Its biochemical and organic chemical products and kits
are used in scientific and genomic research, biotechnology, pharmaceutical
development, the diagnosis of disease and as key components in pharmaceutical
and other high technology manufacturing. The Company has customers in life
science companies, university and government institutions, hospitals and
industry. Over one million scientists and technologists use its products.
Sigma-Aldrich operates in 38 countries and has 9,000 employees providing
excellent service worldwide. The Company is committed to accelerating
customer success through innovation and leadership in Life Science, High
Technology and Service. For more information about Sigma-Aldrich, please
visit its award winning web site at www.sigma-aldrich.com.

SOURCE Sigma-Aldrich Corporation

Website: http://www.sigma-aldrich.com
Contact: Quintin Lai, Sigma-Aldrich Corporation, 314-898-4643,
quintin.lai@sial.com