First Trust ISE Water Index Fund (the Fund) seeks investment results that correspond generally to the price and yield of an equity index called the ISE Water Index (the Index). The Index is a modified market capitalization-weighted index consisting of 36 stocks that derive a substantial portion of their revenues from the potable and wastewater industries. The Index is rebalanced on a semi-annual basis. The Fund will normally invest at least 90% of its assets in common stocks that comprise the Index. The Fund’s investment advisor is First Trust Advisors L.P.