SAFC®, a member of the Sigma-Aldrich Group has announced the appointment of Mr. Tom Beil as Vice President of Quality and Regulatory Affairs, effective July 21, 2008. Mr. Beil, a quality systems and operations professional with nearly 25 years experience, will lead SAFC’s robust quality assurance team and oversee all aspects of the Company’s regulatory and quality assurance programs. He will report to SAFC President, Dr. Frank Wicks, and to Mr. Rich Keffer, General Counsel and Secretary for Sigma-Aldrich® Corporation. This appointment is Mr. Beil’s second tenure with Sigma-Aldrich, having spent 13 years as Quality Systems Manager from 1986 to 1999. Citing the ever-increasing importance that transparency, quality assurance and regulatory compliance play in the pharmaceutical development and manufacturing supply chain, Dr. Wicks states, “We are pleased to welcome Tom back to SAFC. He brings a wealth of knowledge and experience that is expected to help us continue to build upon our industry-leading regulatory compliance position. His addition to our senior management team will be focused on helping us support risk mitigation, quality assurance and regulatory initiatives across our product and service lines and will enhance the regulatory partnerships we intend to build with our customers to guide them through the challenges they face in procuring materials with the proper compliance profiles.” Mr. Beil joins SAFC from Centocor/GBSC, where he was Senior Director of Site Quality with responsibilities for quality assurance, quality control and quality systems. Prior to that appointment, Mr. Beil worked as Associate Director of Quality Assurance for Wyeth. In addition to his in-depth knowledge of quality systems and the regulatory environment, he has experience in the petrochemical chemistry, research biology, cell culture and purchasing, and holds a Masters degree in Biology from Illinois State University at Normal, Illinois.