Website: N/A
Stock Symbol: NASDAQ: SIAL
Market Value: N/A (in millions)
Sigma-Aldrich Corporation (“the Company”) was incorporated under the laws of the
State of Delaware in May 1975. Effective July 31, 1975 (“Reorganization”), the
Company succeeded, as a reporting company, Sigma International, Ltd., the
predecessor of Sigma Chemical Company (“Sigma”), and Aldrich Chemical Company,
Inc. (“Aldrich”), both of which had operated continuously for more than 20 years
prior to the Reorganization. The Company’s principal executive offices are
located at 3050 Spruce Street, St. Louis, Missouri, 63103.
On February 28, 2005, the Company completed its acquisition of all of the
outstanding capital securities of JRH Biosciences Pty Ltd., CSL US Inc. and JRH
Biosciences Limited, which collectively comprised the JRH Biosciences division
(JRH) of CSL Limited for $366.8 million. JRH is a leading global supplier of
cell culture and sera products to the biopharmaceutical industry.