First Trust Exchange-Traded AlphaDEX Fund - First Trust Large Cap Core AlphaDEX Fund Declares Quarterly Distribution, Payable on September 30, 2015

First Trust Exchange-Traded AlphaDEX Fund - First Trust Large Cap Core AlphaDEX Fund declared quarterly distribution of $0.1355 per share, payable on September 30, 2015 of record date September 25, 2015. Expected ex-dividend date is September 23, 2015.