TARRYTOWN, N.Y.--(BUSINESS WIRE)--June 19, 2006--Emisphere Technologies, Inc. (“Emisphere”, Nasdaq: EMIS) announced today that it is scheduled to join the Russell 3000 Index when Russell Investment group reconstitutes its family of U.S. indexes on June 30, according to a preliminary list of additions posted on Friday, June 16th on www.russell.com.