The Fund generally will invest at least 90% of its total assets in securities that comprise the Underlying Index. Strictly in accordance with its guidelines and mandated procedures, S&P Dow Jones Indices LLC (S&P DJI or the Index Provider) compiles, maintains and calculates the Underlying Index, which is composed of all of the components of the S&P 500 Utilities Index (the Parent Index). The Parent Index is designed to measure the performance of common stocks of all companies included in the S&P 500 Index that are classified as members of the utilities sector, as defined according to the Global Industry Classification Standard (GICS), with a 22 company minimum count at each quarterly rebalance.