Washington, D.C., December 8, 2010 - Danaher Corporation (NYSE:DHR) announced today that it has closed the previously announced acquisition of Keithley Instruments, Inc.
 
Danaher is a diversified technology leader that designs, manufactures, and markets innovative products and services to professional, medical, industrial, and commercial customers. Our portfolio of premier brands is among the most highly recognized in each of the markets we serve. Driven by a foundation provided by the Danaher Business System, our 47,000 associates serve customers in more than 125 countries and generated $11.2 billion of revenue in 2009. For more information please visit our website: www.danaher.com.
 
Danaher contact: 
Matt R. McGrew
Vice President, Investor Relations
Danaher Corporation
2099 Pennsylvania Avenue, NW
Washington, D.C. 20006
Telephone: (202) 828-0850
Fax: (202) 828-0860