The First Trust ISE Water Index Fund (Ticker: FIW) seeks investment results that correspond generally to the performance, before fees and expenses, of the ISE Water Index. The index is a modified market-cap weighted portfolio of 36 stocks that derive a substantial portion of their revenues from the potable and wastewater industries. The index begins by ranking all the publicly traded companies in the potable and wastewater industries by their unadjusted market capitalization. From this universe, the index removes the candidate stocks that do not meet the component eligibility requirements. When the index is initially configured or reconfigured, the index adjusts the assigned shares of the component stocks such that the weights conform to the following schedule: Stocks 1-10 weight at 4% each. Stocks 11-15 weight at 3.50% each. Stocks 16-20 weight at 3% each. Stocks 21-30 weight at 2% each. Stocks 31-36 weight at 1.25% each.