BioReliance

Services include biologics safety testing, specialized toxicology and animal health diagnostics

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News and Information

St. Louis, MO - January 31, 2012 Sigma-Aldrich Expands Services Offering With BioReliance

Sigma-Aldrich Corporation (NASDAQ: SIAL), a leading Life Science and High Technology company, announced it has completed its acquisition of BioReliance Holdings, Inc., a leading provider of global biopharmaceutical testing services, from Avista Capital Partners for $350 million in cash, subject to normal post-closing adjustments.

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St. Louis, MO - January 9, 2012 Sigma-Aldrich Extends Laboratory Chemicals Contract with Honeywell

Sigma-Aldrich Corporation (NASDAQ: SIAL) announced today it has signed a five-year contract extension with Honeywell for the manufacture and supply of Riedel-de Haën® high purity solvents, Karl Fischer reagents and other laboratory chemicals produced at Honeywell's Seelze, Germany, manufacturing site. The contract extends an existing supply agreement, in place since 1999, through March 31, 2019.

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St. Louis, MO - January 9, 2012 Sigma-Aldrich to Acquire BioReliance; Extending Its Reach into Biopharmaceutical Testing and Services

Sigma-Aldrich Corporation (NASDAQ: SIAL), a leading Life Science and High Technology company, announced it has signed an agreement to acquire BioReliance Holdings, Inc., a leading provider of global biopharmaceutical testing services, from Avista Capital Partners for $350 million in cash. The acquisition is subject to customary closing conditions, including regulatory clearance, and is expected to close in the first quarter of 2012.

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St. Louis, MO - December 7, 2011 Sigma® Life Science Announces Gene Knockout Rat Models for Cardiovascular, Diabetes and Atherosclerosis Research

Sigma-Aldrich Corporation (NASDAQ: SIAL) today announced that Sigma Advanced Genetic Engineering (SAGE™) Labs, an initiative of Sigma Life Science, has made available three genetically modified rat models that exhibit features key to studying conditions such as obesity, diabetes, atherosclerosis, high cholesterol, hypertension and familial hypercholesterolemia. Details on the models are available at www.sageresearchmodels.com/research-models.

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Sigma-Aldrich® has over 187,000 products available

Number of Products Available from Sigma-Aldrich

Product Portfolio Percentage - 19% Essentials, 15% Biotech, 29% Fine Chemicals, 37% Specialties  Product Portfolio Percentage - 19% Essentials, 15% Biotech, 29% Fine Chemicals, 37% Specialties
Geography Percentage - 39% US/Canada, 22% International, 39% Europe/Middle East/Africa  Geography Percentage - 39% US/Canada, 22% International, 39% Europe/Middle East/Africa