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SPDR S&P 500 ETF Trust (the Trust) is a unit investment trust. The Trust seeks to provide investment results that, before expenses, correspond generally to the price and yield performance of the S&P 500 Index (the Index). The Trust seeks to achieve this investment objective by holding a portfolio of the common stocks that are included in the Index (the Portfolio), with the weight of each stock in the Portfolio substantially corresponding to the weight of such stock in the Index. The Trust invests in a range of sectors, including pharmaceuticals; oil, gas and consumable fuels; technology hardware storage and peripherals; insurance; information technology (IT) services; healthcare providers and services; semiconductors and semiconductor equipment; hotels, restaurants and leisure, communications equipment; commercial services and supplies; road and rail; real estate management and development; containers and packaging; professional services, and paper and forest products.

United States Oil Fund, LP (USO) is a commodity pool that issues limited partnership interests (shares) traded on the NYSE Arca, Inc. (the NYSE Arca). The investment objective of USO is for the daily changes in percentage terms of its shares' per share net asset value (NAV) to reflect the daily changes in percentage terms of the spot price of light, sweet crude oil delivered to Cushing, Oklahoma, as measured by the daily changes in the price of the futures contract for light, sweet crude oil traded on the New York Mercantile Exchange, that is the near month contract to expire, except when the near month contract is within over two weeks of expiration, in which case it will be measured by the futures contract that is the next month contract to expire, less USO's expenses. United States Commodity Funds LLC (USCF) is the general partner of USO and is responsible for the management of USO. USCF is a single member limited liability company. USCF is a subsidiary of Wainwright Holdings, Inc.