Sigma-Aldrich

Sigma-Aldrich is a leading Life Science and High Technology company. Our biochemical and organic chemical products and kits are used in scientific and genomic research, biotechnology, pharmaceutical development, the diagnosis of disease and chemical manufacturing. We have customers in life science companies, university and government institutions, hospitals and in industry. Sigma-Aldrich operates in 33 countries and has 6,500 employees providing excellent service worldwide.

We are committed to the success of our Customers, Employees and Shareholders through leadership in Life Science, High Technology and Service.

Years Ended December 31 (In millions, except per share data and percents)

	2001	2002	% Increase
Net Sales	$1,179.4	$1,096.3	7.6
Net income*	140.7	139.1	1.2
Net income per share - diluted*	1.87	1.66	12.7
* From continuing operations