NEW YORK--(BUSINESS WIRE)--Fitch Ratings has assigned an 'AA' rating to the following series of mandatory redeemable preferred shares (MRPS) issued by ClearBridge American Energy MLP Fund Inc. (NYSE: CBA), a non-diversified, closed-end fund advised by Legg Mason Partners Fund Advisor, LLC (LMPFA) and sub-advised by ClearBridge Investments, LLC (ClearBridge). MRPS rated 'AA': --Series C Mandatory Redeemable Preferred Shares due Aug. 7, 2022 in amount up to $38,000,000; --Series D Mandatory Redee