About BioReliance: BioReliance was acquired by Sigma-Aldrich Corporation, in January 2012 to supply customers access to a powerful, single-point provider whose products and services span the drug discovery, development and commercialization pipeline. As part of the SAFC business unit, BioReliance is a leading provider of cost-effective contract services, offering more than 1,000 tests or services related to biologics safety testing, specialized toxicology and animal health services. BioReliance has over 700 employees and has laboratory operations in Rockville, MD and Scotland. For more information, visit www.bioreliance.com.About SAFC: SAFC, the custom manufacturing and services business unit of Sigma-Aldrich Corporation, is recognized as a top 10 global specialty chemicals and biologics supplier. As a trusted manufacturer for the life science and high technology industries, SAFC works closely with customers to resolve development challenges and accelerate the product pipeline utilizing its global "Centers of Excellence" and dedicated manufacturing facilities. Its rich portfolio includes high-purity inorganic materials for high technology applications, critical raw materials and extensive biologics safety testing services for biopharmaceutical manufacturing, and complex, high-potent APIs and key intermediates for pharmaceutical manufacturing. For more information, visit www.safcglobal.com . About Sigma-Aldrich: Sigma-Aldrich is a leading Life Science and High Technology company whose biochemical, organic chemical products, kits and services are used in scientific research, including genomic and proteomic research, biotechnology, pharmaceutical development, the diagnosis of disease and as key components in pharmaceutical, diagnostics and high technology SAFC manufacturing. Sigma-Aldrich customers include more than 1.3 million scientists and technologists in life science companies, university and government institutions, hospitals and industry. The Company operates in 38 countries and has nearly 9,100 employees whose objective is to provide excellent service worldwide. Sigma-Aldrich is committed to accelerating customer success through innovation and leadership in Life Science and High Technology. For more information about Sigma-Aldrich, please visit its website at www.sigma-aldrich.com. ©2012 Sigma-Aldrich Co. LLC. All rights reserved. BioReliance and SAFC are trademarks of Sigma-Aldrich Co. LLC or its Affiliates, registered in the US and other countries.EpiDerm™ is a trademark of MatTek Corp.