First Trust Exchange-Traded AlphaDEX Fund - First Trust Mid Cap Core AlphaDEX Fund Declares Regular Quarterly Distribution, Payable on June 28, 2013

First Trust Exchange-Traded AlphaDEX Fund - First Trust Mid Cap Core AlphaDEX Fund declared regular quarterly distribution of $0.0879 for exchange-traded funds advised by FTA, payable on June 28, 2013 to the shareholders of record on June 25, 2013. Ex-Dividend date is June 21, 2013.