Sigma-Aldrich Corporation Declares Increased Quarterly Dividend; Announces Live Webcasts Of Presentations At Two Upcoming Conferences

ST. LOUIS, Feb. 13, 2013 /PRNewswire/ -- Sigma-Aldrich Corporation (NASDAQ:  SIAL), a leading Life Science and High Technology company (the "Company"), announced an increase of 7.5% in its quarterly cash dividend to $0.215 per share.  The increased dividend was approved by the Company's Board of Directors on February 12, 2013 and is payable on March 15, 2013 to shareholders of record at the close of business on March 1, 2013.

The Company also announced it will be presenting at the following investor conferences in February:

• Leerink Swann Global Healthcare Conference 2013 on Thursday, February 14, 2013 in New York City, presenting at 12:00 P.M. (Eastern).
• 2013 Citi Global Healthcare Conference on Monday, February 25, 2013 in New York City, presenting at 9:35 A.M. (Eastern).

Interested parties may listen via live audio broadcast and view the presentation slides over the internet available at http://investor.sigmaaldrich.com/.  Users can click the "Webcast" icon to access the files.

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 in industry.  Over one million scientists and technologists use its products.  Sigma-Aldrich operates in 38 countries and has nearly 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

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