ROCKVILLE, Md.--(BUSINESS WIRE)--Catalyst Health Solutions, Inc., (NASDAQ: CHSI) today announced that Michigan’s Office of Retirement Services has extended the pharmacy benefits management contract between the Michigan Public School Employees Retirement System (MPSERS) and Catalyst Rx through 2013. As a result of this contract extension, almost 200,000 Michigan retirees will continue to receive prescription drug benefits from one of the country’s top PBMs.
