iShares Transportation Average ETF (the Fund), formerly iShares Dow Jones Transportation Average Index Fund, is an exchange-traded fund (ETF). The Fund seek investment results that correspond generally to the price and yield performance, before fees and expenses, of Dow Jones Transportation Average Index. The Index measures the performance of the transportation sector of the United States equity market, and includes companies in the primary groups, such as airlines, trucking, railroads, air freight, transportation services and industrial services. The Fund invests in a representative sample of securities included in the Index that collectively has an investment profile similar to the Index. Due to the use of representative sampling, the Fund may or may not hold all of the securities that are included in the Index. The Fund�s investment advisor is BlackRock Fund Advisors (BFA).