ISS Changes Recommendation to Caremark Rx Shareholders to Vote ''For'' Merger with CVS Corporation

NASHVILLE, Tenn.--(BUSINESS WIRE)--Caremark Rx, Inc. (NYSE: CMX) today announced that Institutional Shareholder Services (ISS), a leading independent proxy voting advisory service, whose clients include hundreds of institutional investors, mutual funds, money managers and other fiduciaries, has changed its previous recommendation and is advising its clients to support Caremark’s pending merger with CVS (NYSE: CVS).