| THURSDAY, JANUARY 21, 2010 |
| 8:00 AM | Sigma-Aldrich New Mobile Device Website Puts Scientific Information at the Fingertips of the Research Community - PR Newswire |
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| WEDNESDAY, JANUARY 13, 2010 |
| 3:38 PM | BioInformatics, LLC New Report - The Contract Research Market for Drug Discovery Technologies: Opportunities for Life Science Suppliers - PR Newswire |
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| 1:00 AM | SAFC(R) Enhances World-Class European Storage, Packaging and Distribution Facility to Further Support Food-Grade Certified Products - PR Newswire |
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| TUESDAY, JANUARY 12, 2010 |
| 8:00 AM | Sigma-Aldrich Becomes the Sole U.S. and Canada Distributor of Kromasil(R) HPLC Columns Through Agreement With Eka Chemicals - PR Newswire |
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| TUESDAY, DECEMBER 22, 2009 |
| 11:30 AM | Sigma-Aldrich to Present at the 28th Annual J.P. Morgan Healthcare Conference on Monday, January 11, 2010 - PR Newswire |
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| THURSDAY, DECEMBER 03, 2009 |
| 8:00 AM | Sigma-Aldrich's Targeted Knockout Rat Ranks in Top Five of The Scientist Magazine's Top 10 Innovations of 2009 - PR Newswire |
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| TUESDAY, DECEMBER 01, 2009 |
| 10:00 AM | BioInformatics, LLC New Report - The Market Outlook for Research Products in FY2010 - PR Newswire |
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| TUESDAY, NOVEMBER 24, 2009 |
| 3:30 PM | Sigma-Aldrich to Present at the NASDAQ OMX 23rd Investor Program on Tuesday, December 1, 2009 - PR Newswire |
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| WEDNESDAY, NOVEMBER 18, 2009 |
| 8:00 AM | Sigma-Aldrich Launches 'What's Your Favorite Gene?' Application On Facebook(R) Platform - PR Newswire |
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