ProShares Short Oil & Gas (the Fund) seeks daily investment results that correspond to the inverse (opposite) of the daily performance of the Dow Jones U.S. Oil & Gas Index. The Index measures the performance of the energy sector of the United States equity market. Component companies include oil drilling equipment and services, coal, oil companies-major, oil companies-secondary, pipelines, liquid, solid or gaseous fossil fuel producers and service companies. The Fund’s investment advisor is ProShare Advisors LLC.