First Trust Exchange-Traded AlphaDEX Fund - First Trust Mid Cap Core AlphaDEX Fund Declares Quarterly Distribution, Payable on December 31, 2013

First Trust Exchange-Traded AlphaDEX Fund - First Trust Mid Cap Core AlphaDEX Fund declared a quarterly distribution of $0.0868 per share payable on December 31, 2013 to the shareholders of record on December 20, 2013. Expected ex-dividend date is on December 18, 2013.