NASHVILLE, Tenn.--(BUSINESS WIRE)--Caremark Rx, Inc. (NYSE: CMX) today mailed supplemental disclosures regarding shareholder appraisal rights and the structure of fees to its financial advisors in connection with Caremark’s planned merger with CVS (NYSE: CVS). The disclosures were made pursuant to yesterday’s decision by the Delaware Court of Chancery not to enjoin the CVS/Caremark merger.