NEW YORK (Standard&Poor's) July 1, 2008--Standard&Poor's Ratings Services said today that it revised its outlook on American Equity Investment Life Holding Co. (AEIL) and its operating company, American Equity Investment Life Insurance Co. (AEL), to negative from stable. Standard&Poor's also said that it affirmed its 'BB+' counterparty credit rating on AEIL and its 'BBB+' counterparty credit and financial strength ratings on AEL. "We revised the outlook to negative to reflect a new proposal by the SEC to regulate the principal product sold by AEL," explained Standard&Poor's credit analyst Kevin G. Maher. "Such regulation could require AEL to adopt or revamp its business and its distribution models to continue with its current level