First Trust AlphaDEX(TM) U.S. Consumer Discretionary Sector Index ETF Announces Cash Distribution for the Period Ending December 29, 2017, Payable on January 8, 2018

First Trust AlphaDEX(TM) U.S. Consumer Discretionary Sector Index ETF declared a dividend of $0.0842 per share for the period ending December 29, 2017. The cash distribution is payable on January 8, 2018 to Unitholders of record on December 29, 2017 with an ex-dividend date of December 28, 2017.