The investment seeks to track the investment results of an index composed of U.S. equities in the oil and gas exploration and production sector. The fund generally invests at least 90% of its assets in securities of the underlying index and in depositary receipts representing securities of the underlying index. It seeks to track the investment results of the Dow Jones U.S. Select Oil Exploration & Production Index (the "underlying index"), which measures the performance of the oil exploration and production sub-sector of the U.S. equity market. The fund is non-diversified.