iShares Dow Jones Transportation Average Index Fund (the Fund) seeks investment results that correspond generally to the price and yield performance of the Dow Jones Transportation Average Index (the Index). The Index measures the performance of the transportation sector of the United States equity market, and includes companies in primary groups, such as airlines, trucking, railroads, air freight, transportation services and industrial services. Companies are selected for inclusion in the Index by the editors of the Wall Street Journal. The Index is subset of the Dow Jones U.S Index. The components stocks are weighted based on the price of the component securities, with the highest priced securities generally having higher weighting in the Index. The Fund invests in a representative sample of securities included in the Index that collectively has an investment profile similar to the Index. The Fund’s investment advisor is Barclays Global Fund Advisors.