First Trust Materials AlphaDEX Fund (First Trust Materials AlphaDEX ) ETF

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 a modified equal-dollar weighted index to objectively identify and select stocks from the Russell 1000® Index in the materials and processing sector that may generate positive alpha relative to traditional passive-style indices through the use of the AlphaDEX® selection methodology.