iShares FTSE NAREIT Real Estate 50 Index Fund (the Fund) seeks investment results that correspond generally to the price and yield performance of the FTSE NAREIT Real Estate 50 Index (the Index). The Index measures the performance of the large-capitalization real estate sector of the United States equity market, and consists of the 50 largest real estate investment trusts (REITs) within the FTSE NAREIT Composite 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 BlackRock Fund Advisors.