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

First Trust AlphaDEX(TM) U.S. Technology Sector Index ETF declared a dividend of $0.0650 per share and reinvested distribution of $0.1576 per share and reinvested distribution of $0.05808 per share on class F shares for the period ending December 29, 2017. The cash distributions are payable on January 8, 2018 to Unitholders of record on December 29, 2017 with an ex-dividend date of December 28, 2017. The effective date for the reinvested distributions will be December 29, 2017.