First Trust Developed Markets Ex-US AlphaDEX® Fund FDT Strategy

The investment seeks results that correspond generally to the price and yield (before the fund's fees and expenses) of an equity index called the NASDAQ AlphaDEX® Developed Markets Ex-US Index. The fund will normally invest at least 90% of its net assets (including investment borrowings) in the securities that comprise the index. The index is designed to select stocks from the NASDAQ Developed Markets Ex-US Index that may generate positive alpha, or risk-adjusted returns, relative to traditional indices through the use of the AlphaDEX® selection methodology.