ST. LOUIS, Sept. 27, 2013 /PRNewswire/ -- Sigma-Aldrich Corporation (NASDAQ:  SIAL), a leading Life Science and High Technology company (the "Company" or "Sigma-Aldrich"), announces a quarterly cash dividend of $0.215 per common share.  The dividend was approved by the Company's Board of Directors on September 15, 2013 and is payable on December 13, 2013 to shareholders of record at the close of business on November 29, 2013.

The Company also announces the election of Michael Hollenkamp to the role of Vice President and Treasurer.  Mr. Hollenkamp has been with Sigma-Aldrich since 1997 and has held various leadership positions within the Company's Tax and Treasury Departments.  Prior to joining the Company, he held tax positions with two other Saint Louis-based companies.

Mr. Hollenkamp has an Accounting Degree from Southern Illinois University at Edwardsville and is a Certified Public Accountant.

About Sigma-Aldrich:  Sigma-Aldrich, a leading Life Science and High Technology company focused on enhancing human health and safety, manufactures and distributes more than 200,000 chemicals, biochemicals and other essential products to more than 1.4 million customers globally in research and applied labs as well as in industrial and commercial markets.  With three distinct business units – Research, Applied and SAFC Commercial – Sigma-Aldrich is committed to enabling science to improve the quality of life.  The Company operates in 38 countries, has more than 9,000 employees worldwide and had sales of $2.6 billion in 2012.  For more information about Sigma-Aldrich, please visit its website at www.sigma-aldrich.com.

Sigma-Aldrich is a registered trademark of Sigma-Aldrich Co. LLC.

SOURCE Sigma-Aldrich Corporation

RELATED LINKShttp://www.sigmaaldrich.com