ST. PETERSBURG, Fla.--(BUSINESS WIRE)--MTS Medication Technologies, (AMEX:MPP), an international provider of automated packaging systems and consumable supplies designed to improve adherence to medication regimens for senior citizens and chronically ill patients, today announced it will join the Russell Microcap™ Index when Russell Investment Group reconstitutes its family of U.S. indexes on June 22, 2007 according to a preliminary list of additions posted on www.russell.com.