Sigma-Aldrich announced that it has established a new $600 million revolving credit facility that will mature on May 10, 2017. The new facility replaces a $450 million revolving credit facility that was scheduled to mature on December 11, 2012. The $600 million facility will provide back-up liquidity for the commercial paper program and be used for general corporate purposes.

Wells Fargo Securities, Merrill Lynch, Pierce, Fenner & Smith and J.P. Morgan Securities served as co-lead arrangers for the nine-bank syndicate participating in this facility. Wells Fargo Bank acted as the administrative agent.

Sigma-Aldrich is a life science and high technology company whose biochemical, organic chemical products, kits and services are used in scientific research.