First Trust Exchange-Traded Fund First Trust Indxx Aerospace & Defense ETF

The fund will invest at least 80% of its net assets in the common stocks that comprise the index. The index is a rules-based index, however, the index Provider reserves the right to use qualitative judgment to include, exclude, adjust, or postpone the inclusion of a stock in the index which is the ordinary course discretion that the index Provider has to modify which securities qualify for inclusion in the index in accordance with the rules of its selection methodology. It is non-diversified.