NASHVILLE, Tenn.--(BUSINESS WIRE)--Caremark Rx, Inc. (NYSE: CMX) announced today that its Board of Directors has declared a cash dividend of $.10 per share for the fourth quarter of 2006. This is the same dividend amount that was paid for the third quarter. The cash dividend is payable on January 15, 2006 to stockholders of record on December 29, 2006.